const boom = require("boom");
const bcrypt = require('bcrypt');
const jwt = require('jsonwebtoken'); 
const customJwtAuth = require("../customAuthJwt");
const fastify = require("fastify")({
  logger: true,
  //disableRequestLogging: true,
  genReqId(req) {
    // you get access to the req here if you need it - must be a synchronous function
    return uuidv4();
  },
});
const { Tankerbooking} = require("../models/tankers")

const {Repairorder,SensorStock,Order,EstimationOrder,Iotprice, Install, ProfilePictureInstall, SensorQuotation,generateinstallationId,Store,WaterLeverSensor,MotorSwitchSenso,Insensors,generatequatationId, HardwareCart, ServiceCart, Sales} = require("../models/store");
const { User,Counter, generateBookingId,resetCounter,generateCustomerId,ProfilePicture} = require('../models/User')







exports.installSignUp = async (request, reply) => {
  try {
    const i_id = await generateinstallationId();
    const installationId = `AWIN${i_id}`;

    const {
      // name,
      phone,
      address,
      address1,
      address2,
      emails,
      password,
      profile,
      team,
      manager,
      longitude,
      latitude,
      fcmId,
      alternativeNumber,
      firstName,
      lastName,
      city,
      designation,
      reportingManager,
      departmentName,
      zone,
      createdBy,
      updatedBy,
    } = request.body;

    // Check if a user with the same phone number already exists
    const existingInstall = await Install.findOne({ phone });
    if (existingInstall) {
      return reply.status(400).send({ message: 'Phone is already registered' });
    }

    // Hash the password using bcrypt
    const hashedPassword = await bcrypt.hash(password, 10);

    // Create a new install object with the hashed password and other details
    const install = new Install({
      // name,
      installationId,
      phone,
      address,
      address1,
      address2,
      emails,
      services: { password: { bcrypt: hashedPassword } },
      profile,
      team,
      manager,
      longitude,
      latitude,
      fcmId,
      alternativeNumber,
      firstName,
      lastName,
      city,
      designation,
      reportingManager,
      departmentName,
      zone,
      createdBy,
      updatedBy,
    });

    // Save the new install to the database
    await install.save();

    reply.send({ message: 'Install Account Created Successfully' });
  } catch (err) {
    reply.status(500).send({ message: err.message });
  }
};





  
  exports.installationVerifyPhone = async (req, reply) => {
    console.log("-------------------------------------------------");
    try {
      phone = req.body.phone;
      phoneVerificationCode = req.body.phoneVerificationCode;
  
      // check if user exists in the system. If user exists , display message that
      // username is not available
      console.log(
        "this is the phone and verification code",
        phone,
        phoneVerificationCode
      );
      deliveryBoyExists = await Install.findOne({
        phone: phone,
        //phoneVerified: false,
        phoneVerificationCode: phoneVerificationCode,
      });
      console.log(deliveryBoyExists);
      if (deliveryBoyExists) {
        // update the phoneVerified flag to true.
        const filter = {
          phone: phone,
          phoneVerificationCode: phoneVerificationCode,
        };
        const update = { phoneVerified: true };
        const doc = await Install.findOneAndUpdate(filter, update);
        updatedDeliveryBoy = await Install.findOne({ phone: phone });
  
        if (updatedDeliveryBoy.phoneVerified) {
          loginObject = await supplierController.loginInstallation(req);
          console.log("loginObject...", loginObject);
          if (loginObject.same) {
            const phoneVerified = loginObject.delivery.phoneVerified;
            const oneTimePasswordSetFlag =
              loginObject.delivery.oneTimePasswordSetFlag;
            console.log(
              "oneTimePasswordSetFlag is ......",
              oneTimePasswordSetFlag,
              typeof oneTimePasswordSetFlag,
              typeof phoneVerified
            );
            if (!phoneVerified) {
              reply.send({
                simplydata: {
                  error: false,
                  phoneVerified: false,
  
                  phone: loginObject.delivery.phone,
                  oneTimePasswordSetFlag: oneTimePasswordSetFlag,
                  message: "Please Verify your phone number",
                },
              });
            } else if (oneTimePasswordSetFlag) {
              reply.send({
                simplydata: {
                  error: false,
                  phoneVerified: phoneVerified,
                  phone: loginObject.delivery.phone,
                  oneTimePasswordSetFlag: true,
                  message: "Password must be reset",
                },
              });
            } else {
              const token = fastify.jwt.sign(
                {
                  name: loginObject.delivery.name,
                },
                //expiresIn: expressed in seconds or a string describing a time span zeit/ms. Eg: 60, "2 days", "10h", "7d".
                //A numeric value is interpreted as a seconds count. If you use a string be sure you provide the time units (days, hours, etc),
                //otherwise milliseconds unit is used by default ("120" is equal to "120ms").
                { expiresIn: "30d" }
              );
              console.log(token, "..token");
  
              var d_id = loginObject.delivery._id;
  
              console.log(d_id, "deliveryId");
              var profilePicture = await ProfilePictureInstall.findOne({
                installationId: d_id,
              });
  
              // request.session.set('supplierId', loginObject.supplier._id)
  
              if (!profilePicture) {
                reply.send({
                  simplydata: {
                    error: false,
                    apiversion: fastify.config.APIVERSION,
                    access_token: token,
  
                    phone: loginObject.delivery.phone,
                    installationId: loginObject.delivery.installationId,
                    name: loginObject.delivery.name,
                    address: loginObject.delivery.address,
                    phoneVerified: loginObject.delivery.phoneVerified,
                    oneTimePasswordSetFlag:
                      loginObject.delivery.oneTimePasswordSetFlag,
                   
                   
                  },
                });
              }
              if (profilePicture) {
                reply.send({
                  simplydata: {
                    error: false,
                    apiversion: fastify.config.APIVERSION,
                    access_token: token,
                    picture: profilePicture.picture,
                    phone: loginObject.delivery.phone,
                    installationId: loginObject.delivery.installationId,

                    name: loginObject.delivery.name,
                    address: loginObject.delivery.address,
                    phoneVerified: loginObject.delivery.phoneVerified,
                    oneTimePasswordSetFlag:
                      loginObject.delivery.oneTimePasswordSetFlag,
                   
                  },
                });
              }
            }
          } else {
            error = {
              simplydata: {
                error: true,
                code: 400,
                message: "Invalid Details",
              },
            };
            reply.send(error);
          }
        } 
      }else {
        error = {
          armintatankdata: {
            error: true,
            code: 10005,
            message: "10005 - Verification code entered cannot be validated.",
          },
        };
        req.body.regError = error;
        reply.send(error);
      }
    } catch (err) {
      throw boom.boomify(err);
    }
  };


  const generateStoreId = async () => {
    const result = await Counter.findOneAndUpdate(
      { _id: 'store_id' },
      { $inc: { seq: 1 } },
      { upsert: true, new: true }
    );
    return result.seq;
  };
  const saltRounds = 10;
  const generateSalesId = async () => {
    const result = await Counter.findOneAndUpdate(
      { _id: 'sales_id' },
      { $inc: { seq: 1 } },
      { upsert: true, new: true }
    );
    return result.seq;
  };

  async function bcryptPassword(password) {
    encryptedPwd = bcrypt.hash(password, saltRounds);
    return encryptedPwd;
}

async function bcryptComparePassword(pwd, encpassword) {
    isSame = bcrypt.compare(pwd, encpassword);
    return isSame;
}



exports.addStore = async (request, reply) => {
  try {
    // Generate a unique store ID
    const s_id = await generateStoreId();
    const storeId = `AWST${s_id}`;

    const {
      storename,
      phone,
      zone,
      departmentName,
      designation,
      reportingManager,
      contactPersonName,
      contactPersonPhone,
      emails,
      password,
      description,
      startingPrice,
      longitude,
      latitude,
      fcmId,
      isActive,
      createdBy,
      updatedBy,
      profile = {}, // Default to an empty object to prevent errors
    } = request.body;
    
    const {
      firstName = null,
      lastName = null,
      contactNumber = null,
      alternativeContactNumber = null,
      store_address = null,
      city = null,
      state = null,
      zip = null,
      country = null,
      address1 = null,
      address2 = null
    } = profile; // Extract profile fields
    
    // Check if the phone is already registered
    const existingStore = await Store.findOne({ phone });
    if (existingStore) {
      return reply.status(400).send({ message: 'Phone is already registered' });
    }

    // Check if the contact person phone is already registered
    const existingContactPhone = await Store.findOne({ contactPersonPhone });
    if (existingContactPhone) {
      return reply.status(400).send({ message: 'Contact Person Phone is already registered' });
    }

    // Hash the password
    const hashedPassword = await bcrypt.hash(password, 10);

    // Create a new store document
    const store = new Store({
      storename,
      phone,
      zone,
      departmentName,
      designation,
      reportingManager,
      contactPersonName,
      contactPersonPhone,
      storeId,
      emails,
      services: { password: { bcrypt: hashedPassword } },
      description,
      startingPrice,
      profile: {
        store_address,
        firstName,
        lastName,
        contactNumber,
        alternativeContactNumber,
        city,
        state,
        zip,
        country,
        address1,
        address2
      },
      longitude,
      latitude,
      fcmId,
      isActive: isActive ?? true, // Default to true if not provided
      createdBy,
      updatedBy,
    });

    // Save the store document
    await store.save();

    reply.send({ message: 'Store Account Created Successfully' });
  } catch (err) {
    reply.status(500).send({ message: err.message });
  }
};

exports.addSales = async (request, reply) => {
  try {
    const s_id = await generateSalesId();
    const sales_id = `AWSL${s_id}`;

    const {
      phone,
      username,
      emails,
      password,
      zone,
      departmentName,
      designation,
      reportingManager,
      profile, 
      createdBy,
      updatedBy,
    } = request.body;

    const { firstName, lastName ,address,city,state,country,zip,address1,address2} = profile || {};

    const existingStore = await Sales.findOne({ phone });
    if (existingStore) {
      return reply.status(400).send({ message: 'Phone is already registered' });
    }

    const hashedPassword = await bcrypt.hash(password, 10);

    const store = new Sales({
      salesId: sales_id,
      username,
      phone,
      address,
      emails,
      zone,
      departmentName,
      designation,
      reportingManager,
      services: { password: { bcrypt: hashedPassword } },
      profile: {
        firstName, 
        lastName,  
        address,
        city,
        state,
        country,
        zip,
        address1,
        address2,
        ...profile, 
      },
      createdBy,
      updatedBy,
    });

    await store.save();

    reply.send({ message: 'Account Created Successfully' });
  } catch (err) {
    reply.status(500).send({ message: err.message });
  }
};

exports.getallsales = async (req, reply) => {
  try {
    await Sales.find()
      .exec()
      .then((docs) => {
        reply.send({ status_code: 200, data: docs, count: docs.length });
      })
      .catch((err) => {
        console.log(err);
        reply.send({ error: err });
      });
  } catch (err) {
    throw boom.boomify(err);
  }
};

exports.getallstore = async (req, reply) => {
  try {
    await Store.find()
      .exec()
      .then((docs) => {
        reply.send({ status_code: 200, data: docs, count: docs.length });
      })
      .catch((err) => {
        console.log(err);
        reply.send({ error: err });
      });
  } catch (err) {
    throw boom.boomify(err);
  }
};

exports.deleteUserInfo = async (req, reply) => {
  try {
    const salesId = req.params.salesId;
   
    const sales = await Sales.findOneAndDelete({ salesId:salesId });

    reply.send({ status_code: 200, message: 'Delete Sucessfully'});
  } catch (err) {
    throw boom.boomify(err);
  }
};
exports.deleteStoreInfo = async (req, reply) => {
  try {
    const storeId = req.params.storeId;
   
    const store = await Store.findOneAndDelete({ storeId:storeId });

    reply.send({ status_code: 200, message: 'Delete Sucessfully'});
  } catch (err) {
    throw boom.boomify(err);
  }
};

exports.editSalesUser = async (request, reply) => {
  try {
    const { salesId } = request.params;
    const {
      username,
      phone,
      emails,
      address,
      profile, 
      zone,
      reportingManager,
      designation,
      departmentName 
    } = request.body;

   
    const existingSales = await Sales.findOne({ salesId });
    if (!existingSales) {
      return reply.status(404).send({ message: 'Sales user not found' });
    }

    const phoneExists = await Sales.findOne({ phone, salesId: { $ne: salesId } });
    if (phoneExists) {
      return reply.status(400).send({ message: 'Phone is already registered to another user' });
    }

 
    existingSales.username = username || existingSales.username;
    existingSales.phone = phone || existingSales.phone;
    existingSales.emails = emails || existingSales.emails;
    existingSales.zone = zone || existingSales.zone;
    existingSales.reportingManager = reportingManager || existingSales.reportingManager;
    existingSales.designation = designation || existingSales.designation;
    existingSales.departmentName = departmentName || existingSales.departmentName;


 
    if (profile) {
      existingSales.profile.firstName = profile.firstName || existingSales.profile.firstName;
      existingSales.profile.lastName = profile.lastName || existingSales.profile.lastName;
      existingSales.profile.address = profile.address || existingSales.profile.address;
      existingSales.profile.city = profile.city || existingSales.profile.city;
      existingSales.profile.state = profile.state || existingSales.profile.state;
      existingSales.profile.country = profile.country || existingSales.profile.country;
      existingSales.profile.zip = profile.zip || existingSales.profile.zip;
      existingSales.profile.address1 = profile.address1 || existingSales.profile.address1;
      existingSales.profile.address2 = profile.address2 || existingSales.profile.address2;

    }

    
    if (request.body.password) {
      const hashedPassword = await bcrypt.hash(request.body.password, 10);
      existingSales.services.password.bcrypt = hashedPassword;
    }


    await existingSales.save();

    reply.send({ message: 'Sales user updated successfully' });
  } catch (err) {
    reply.status(500).send({ message: err.message });
  }
};

exports.editStore = async (request, reply) => {
  try {
    const { storeId } = request.params;
    const {
      storename,
      phone,
      address,
      address1,
      address2,
      emails,
      profile,
      alternativeNumber,
      longitude,
      latitude,
      fcmId,
      description,
      startingPrice,
      password,
      contactPersonPhone,
      zone,
      reportingManager,
      designation,
      departmentName
    } = request.body;

    
    const existingStore = await Store.findOne({ storeId: storeId });
    if (!existingStore) {
      return reply.status(404).send({ message: 'Store not found' });
    }

   
    const phoneExists = await Store.findOne({ phone, storeId: { $ne: storeId } });
    if (phoneExists) {
      return reply.status(400).send({ message: 'Phone is already registered to another store' });
    }

    existingStore.storename = storename || existingStore.storename;
    existingStore.phone = phone || existingStore.phone;
    existingStore.address = address || existingStore.address;
    existingStore.address1 = address1 || existingStore.address1;
    existingStore.address2 = address2 || existingStore.address2;
    existingStore.emails = emails || existingStore.emails;
    existingStore.alternativeNumber = alternativeNumber || existingStore.alternativeNumber;
    existingStore.longitude = longitude || existingStore.longitude;
    existingStore.latitude = latitude || existingStore.latitude;
    existingStore.fcmId = fcmId || existingStore.fcmId;
    existingStore.description = description || existingStore.description;
    existingStore.startingPrice = startingPrice || existingStore.startingPrice;
    existingStore.contactPersonPhone = contactPersonPhone || existingStore.contactPersonPhone;
    existingStore.zone = zone || existingStore.zone;
    existingStore.reportingManager = reportingManager || existingStore.reportingManager;
    existingStore.designation = designation || existingStore.designation;
    existingStore.departmentName = departmentName || existingStore.departmentName;

    
    if (profile) {
      existingStore.profile.firstName = profile.firstName || existingStore.profile.firstName;
      existingStore.profile.lastName = profile.lastName || existingStore.profile.lastName;
      existingStore.profile.contactNumber = profile.contactNumber || existingStore.profile.contactNumber;
      existingStore.profile.alternativeContactNumber =
        profile.alternativeContactNumber || existingStore.profile.alternativeContactNumber;
      existingStore.profile.store_address = profile.store_address || existingStore.profile.store_address;
      existingStore.profile.city = profile.city || existingStore.profile.city;
      existingStore.profile.state = profile.state || existingStore.profile.state;
      existingStore.profile.country = profile.country || existingStore.profile.country;
      existingStore.profile.zip = profile.zip || existingStore.profile.zip;
      existingStore.profile.address1 = profile.address1 || existingStore.profile.address1;
      existingStore.profile.address2 = profile.address2 || existingStore.profile.address2;

    }

    
    if (password) {
      const hashedPassword = await bcrypt.hash(password, 10);
      existingStore.services.password.bcrypt = hashedPassword;
    }

   
    await existingStore.save();

    reply.send({ message: 'Store updated successfully' });
  } catch (err) {
    reply.status(500).send({ message: err.message });
  }
};




 
  exports.getAllUsers = async (request, reply) => {
    try {
      const users = await Install.find({}); 
      reply.send(users);
    } catch (error) {
      reply.status(500).send({ message: "Error retrieving users" });
    }
  },
 
  
  exports.deleteUserByInstallationId = async (request, reply) => {
    const { installationId } = request.params;
    try {
      await Install.findOneAndDelete({ installationId });
      reply.send({ message: "User deleted successfully" });
    } catch (error) {
      reply.status(500).send({ message: "Error deleting user" });
    }
  },

 
  exports.updateUserByInstallationId = async (request, reply) => {
    const { installationId } = request.params;
    const updatedData = request.body;
    try {
      await Install.findOneAndUpdate({ installationId }, updatedData, { new: true });
      reply.send({ message: "User updated successfully" });
    } catch (error) {
      reply.status(500).send({ message: "Error updating user" });
    }
  }

  const generatewaterlevelheightsensorId = async () => {
    const result = await Counter.findOneAndUpdate(
      { _id: 'waterlevelheightsensor_id' },
      { $inc: { seq: 1 } },
      { upsert: true, new: true }
    );
    return result.seq;
  };




  
  const generatewaterlevelsensorId = async () => {
    const result = await Counter.findOneAndUpdate(
      { _id: 'waterlevelsensor_id' },
      { $inc: { seq: 1 } },
      { upsert: true, new: true }
    );
    return result.seq;
  };

  const generatewaterlevelslavesensorId = async () => {
    const result = await Counter.findOneAndUpdate(
      { _id: 'waterlevelslavesensor_id' },
      { $inc: { seq: 1 } },
      { upsert: true, new: true }
    );
    return result.seq;
  };

  const moment = require('moment');
  // exports.createwaterlevelSensor = async (req, reply) => {
  //   try {
  //     const storeId = req.params.storeId
  //     const { hardwareId,hardwareId_company, type, indate } = req.body;
  //     var mater_seq_id = await generatewaterlevelsensorId();
  //     const date = moment().format('MM-DD');
  //     const prefix = 'AS' + date + 'MALOV1';
  //     var masterId = `${prefix}${mater_seq_id}`;
  //     const newSensor = new WaterLeverSensor({
  //       storeId,
  //       hardwareId,
  //       masterId,
  //       type,
  //       indate
  //     });
  //     const savedSensor = await newSensor.save();
  //     reply.code(200).send(savedSensor);
  //   } catch (err) {
  //     reply.code(500).send(err);
  //   }
  // };
  


  // exports.editWaterLevelSensor = async (req, reply) => {
  //   try {
  //     const { storeId } = req.params;
  //     const updates = req.body;
  
  //     const updatedSensor = await WaterLeverSensor.findOneAndUpdate(
  //       { storeId:storeId,hardwareId: req.body.hardwareId },
  //       updates,
  //       { new: true }
  //     );
  
  //     if (!updatedSensor) {
  //       reply.code(404).send({ message: "Sensor not found" });
  //     } else {
  //       reply.code(200).send(updatedSensor);
  //     }
  //   } catch (err) {
  //     reply.code(500).send(err);
  //   }
  // };

  exports.deleteWaterLevelSensor = async (req, reply) => {
    try {
      const { storeId } = req.params;
  
      const deletedSensor = await WaterLeverSensor.findOneAndDelete(
        { storeId,hardwareId: req.body.hardwareId }
      );
  
      if (!deletedSensor) {
        reply.code(404).send({ message: "Sensor not found" });
      } else {
        reply.code(200).send({ message: "Sensor deleted successfully" });
      }
    } catch (err) {
      reply.code(500).send(err);
    }
  };
  

  exports.installwaterlevelSensor = async (request, reply) => {
    try {
      const { storeId } = request.params;
      const updateData = request.body;
  
      // Find the document by hardwareId and update it with the fields received in the body
      const updatedSensor = await WaterLeverSensor.findOneAndUpdate(
        { storeId:storeId,hardwareId: request.body.hardwareId, },
        { $set: updateData },
        { new: true } // Return the updated document
      );
  
      if (!updatedSensor) {
        return reply.status(404).send({ error: 'Sensor not found' });
      }
  
      return reply.status(200).send(updatedSensor);
    } catch (error) {
      console.error(error);
      return reply.status(500).send({ error: 'An error occurred while updating the sensor' });
    }
  };

  // exports.qccheckwaterlevelSensor = async (request, reply) => {
  //   try {
  //     const { hardwareId } = request.params;
  //     const updateData = request.body;
  
  //     // Find the document by hardwareId and update it with the fields received in the body
  //     const updatedSensor = await WaterLeverSensor.findOneAndUpdate(
  //       { hardwareId: hardwareId },
  //       { $set: updateData },
  //       { new: true } // Return the updated document
  //     );
  
  //     if (!updatedSensor) {
  //       return reply.status(404).send({ error: 'Sensor not found' });
  //     }
  
  //     return reply.status(200).send(updatedSensor);
  //   } catch (error) {
  //     console.error(error);
  //     return reply.status(500).send({ error: 'An error occurred while updating the sensor' });
  //   }
  // };
  

  exports.getHardware = async (req, reply) => {
    try {
      await WaterLeverSensor.find({storeId: req.params.storeId})
        .exec()
        .then((docs) => {
          reply.send({ status_code: 200, data: docs, count: docs.length });
        })
        .catch((err) => {
          console.log(err);
          reply.send({ error: err });
        });
    } catch (err) {
      throw boom.boomify(err);
    }
  };
  

  exports.getHardwaremotorswitch = async (req, reply) => {
    try {
      await MotorSwitchSensor.find({storeId: req.params.storeId})
        .exec()
        .then((docs) => {
          reply.send({ status_code: 200, data: docs, count: docs.length });
        })
        .catch((err) => {
          console.log(err);
          reply.send({ error: err });
        });
    } catch (err) {
      throw boom.boomify(err);
    }
  };
  

  exports.getHardwareqc = async (req, reply) => {
    try {
      await WaterLeverSensor.find({storeId: req.params.storeId,hardwareId:req.body.hardwareId})
        .exec()
        .then((docs) => {
          reply.send({ status_code: 200, data: docs, count: docs.length });
        })
        .catch((err) => {
          console.log(err);
          reply.send({ error: err });
        });
    } catch (err) {
      throw boom.boomify(err);
    }
  };

  exports.addSlave = async (req, reply) => {
    try {
      const hardwareId = req.params.hardwareId;
      const { tankhardwareId, type, indate, hardwareId_company } = req.body;

      // Find the main hardware by hardwareId
      const mainHardware = await WaterLeverSensor.findOne({ hardwareId });

      if (!mainHardware) {
        reply.code(404).send({ message: "Main hardware not found" });
        return;
      }

      // Check if the slave's hardwareId already exists
      const existingSlave = mainHardware.slaves.tankhardware.find(slave => slave.tankhardwareId === tankhardwareId);

      if (existingSlave) {
        reply.code(400).send({ message: "Slave hardware ID already exists for this main hardware" });
        return;
      }
      var slave_seq_id = await generatewaterlevelslavesensorId();
      const date = moment().format('MM-DD');
      const prefix = 'AS' + date + 'SLAOV1';
      var slaveId = `${prefix}${slave_seq_id}`;
      // Create new slave
      const newSlave = {
        tankhardwareId,
        slaveId: slaveId, 
        type,
        indate,
        hardwareId_company
      };

      // Add the new slave to the main hardware's slaves array
      mainHardware.slaves.tankhardware.push(newSlave);

      // Save the updated main hardware
      const updatedHardware = await mainHardware.save();

      reply.code(200).send(updatedHardware);
    } catch (err) {
      reply.code(500).send(err);
    }
};



// exports.editSlave = async (req, reply) => {
//   try {
//     const { hardwareId } = req.params;
//     const updates = req.body;

//     const mainHardware = await WaterLeverSensor.findOne({ hardwareId });

//     if (!mainHardware) {
//       reply.code(404).send({ message: "Main hardware not found" });
//       return;
//     }

//     const slaveIndex = mainHardware.slaves.tankhardware.findIndex(
//       (slave) => slave.tankhardwareId ===  req.body.tankhardwareId
//     );

//     if (slaveIndex === -1) {
//       reply.code(404).send({ message: "Slave not found" });
//       return;
//     }

//     mainHardware.slaves.tankhardware[slaveIndex] = {
//       ...mainHardware.slaves.tankhardware[slaveIndex],
//       ...updates,
//     };

//     const updatedHardware = await mainHardware.save();

//     reply.code(200).send(updatedHardware);
//   } catch (err) {
//     reply.code(500).send(err);
//   }
// };


exports.deleteSlave = async (req, reply) => {
  try {
    const { hardwareId } = req.params;

    const mainHardware = await WaterLeverSensor.findOne({ hardwareId });

    if (!mainHardware) {
      reply.code(404).send({ message: "Main hardware not found" });
      return;
    }

    const slaveIndex = mainHardware.slaves.tankhardware.findIndex(
      (slave) => slave.tankhardwareId ===  req.body.tankhardwareId
    );

    if (slaveIndex === -1) {
      reply.code(404).send({ message: "Slave not found" });
      return;
    }

    mainHardware.slaves.tankhardware.splice(slaveIndex, 1);

    const updatedHardware = await mainHardware.save();

    reply.code(200).send(updatedHardware);
  } catch (err) {
    reply.code(500).send(err);
  }
};

exports.qccheckwaterlevelSensorSlave = async (request, reply) => {
  try {
    const { storeId } = request.params;
    const updateData = request.body;

    // Find the document by storeId and tankhardwareId, and update the corresponding slave
    const updatedSensor = await WaterLeverSensor.findOneAndUpdate(
      {
        storeId: storeId,
        hardwareId:request.body.hardwareId,
        "slaves.tankhardware.tankhardwareId": request.body.tankhardwareId
      },
      {
        $set: {
          "slaves.tankhardware.$.qccheck": updateData.qccheck,
          "slaves.tankhardware.$.qccheckdate": updateData.qccheckdate,
          "slaves.tankhardware.$.qcby": updateData.qcby,
          "slaves.tankhardware.$.comment": updateData.comment,
          "slaves.tankhardware.$.outforrepairdate": updateData.outforrepairdate,
          "slaves.tankhardware.$.sendto": updateData.sendto,
          "slaves.tankhardware.$.repairfeedback": updateData.repairfeedback
        }
      },
      { new: true } // Return the updated document
    );

    if (!updatedSensor) {
      return reply.status(404).send({ error: 'Slave not found' });
    }

    return reply.status(200).send(updatedSensor);
  } catch (error) {
    console.error(error);
    return reply.status(500).send({ error: 'An error occurred while updating the slave' });
  }
};


exports.installwaterlevelSensorSlave = async (request, reply) => {
  try {
    const { storeId } = request.params;
    const { hardwareId, tankhardwareId, dateofinstallation, customerId, installedby } = request.body;

    // Find the document by storeId and hardwareId, then update the specific slave with tankhardwareId
    const updatedSensor = await WaterLeverSensor.findOneAndUpdate(
      {
        storeId: storeId,
        hardwareId: hardwareId,
        "slaves.tankhardware.tankhardwareId": tankhardwareId
      },
      {
        $set: {
          "slaves.tankhardware.$.dateofinstallation": dateofinstallation,
          "slaves.tankhardware.$.customerId": customerId,
          "slaves.tankhardware.$.installedby": installedby
        }
      },
      { new: true } // Return the updated document
    );

    if (!updatedSensor) {
      return reply.status(404).send({ error: 'Sensor or Slave not found' });
    }

    return reply.status(200).send(updatedSensor);
  } catch (error) {
    console.error(error);
    return reply.status(500).send({ error: 'An error occurred while installing the sensor' });
  }
};

exports.getHardwareqcslave = async (req, reply) => {
  try {
    const { storeId } = req.params;
    const { hardwareId, tankhardwareId } = req.body;

    let query;
    if (tankhardwareId) {
      // If tankhardwareId is provided, query for the specific slave
      query = {
        storeId: storeId,
        hardwareId: hardwareId,
        "slaves.tankhardware.tankhardwareId": tankhardwareId,
      };
    } else {
      // Otherwise, query for the main hardware
      query = {
        storeId: storeId,
        hardwareId: hardwareId,
      };
    }

    const docs = await WaterLeverSensor.find(query).exec();

    if (docs.length === 0) {
      return reply.status(404).send({ error: 'No hardware found' });
    }

    reply.send({ status_code: 200, data: docs, count: docs.length });
  } catch (err) {
    console.error(err);
    reply.status(500).send({ error: 'An error occurred while retrieving the hardware QC data' });
  }
};

exports.createmotorswitchSensor = async (req, reply) => {
  try {
    const storeId = req.params.storeId
    const { motorId, type, indate } = req.body;
    var mater_seq_id = await generatewaterlevelsensorId();
    const date = moment().format('MM-DD');
    const prefix = 'AS' + date + 'PSV1';
    var masterId = `${prefix}${mater_seq_id}`;
    const newSensor = new MotorSwitchSensor({
      storeId,
      motorId,
      masterId,
      type,
      indate
    });
    const savedSensor = await newSensor.save();
    reply.code(200).send(savedSensor);
  } catch (err) {
    reply.code(500).send(err);
  }
};



exports.qccheckmotorswitch = async (request, reply) => {
  try {
    const { motorId } = request.params;
    const updateData = request.body;

    // Find the document by hardwareId and update it with the fields received in the body
    const updatedSensor = await MotorSwitchSensor.findOneAndUpdate(
      { motorId: motorId },
      { $set: updateData },
      { new: true } // Return the updated document
    );

    if (!updatedSensor) {
      return reply.status(404).send({ error: 'Sensor not found' });
    }

    return reply.status(200).send(updatedSensor);
  } catch (error) {
    console.error(error);
    return reply.status(500).send({ error: 'An error occurred while updating the sensor' });
  }
};


exports.installmotorswitch = async (request, reply) => {
  try {
    const { storeId } = request.params;
    const updateData = request.body;

    // Find the document by hardwareId and update it with the fields received in the body
    const updatedSensor = await MotorSwitchSensor.findOneAndUpdate(
      { storeId:storeId,motorId: request.body.motorId, },
      { $set: updateData },
      { new: true } // Return the updated document
    );

    if (!updatedSensor) {
      return reply.status(404).send({ error: 'Sensor not found' });
    }

    return reply.status(200).send(updatedSensor);
  } catch (error) {
    console.error(error);
    return reply.status(500).send({ error: 'An error occurred while updating the sensor' });
  }
};


exports.generateHardwareMasterId = async (req, reply) => {
  try {
    const storeId = req.params.storeId
    const { from, to, type, quantity } = req.body;
    const sensorType = type.toLowerCase();
    const fromInt = parseInt(from, 10);
    const toInt = parseInt(to, 10);

    if (isNaN(fromInt) || isNaN(toInt) || fromInt > toInt) {
      return reply.code(400).send({ message: 'Invalid from/to values' });
    }

    // Fetch pending sensors of the given type and storeId whose hardwareId is null
    const pendingSensors = await Insensors.find({ status: 'pending', type: sensorType, storeId, hardwareId: null });
    
    if (!pendingSensors.length) {
      return reply.code(404).send({ message: 'No pending sensors found for the given type and storeId' });
    }
    
    if (quantity > pendingSensors.length) {
      return reply.code(400).send({ message: `Available quantity is less than requested: ${pendingSensors.length} available.` });
    }

    let hardwareIdSequence = fromInt;
    const date = moment().format('MM-DD');

    for (let i = 0; i < quantity && i < pendingSensors.length; i++) {
      let sensor = pendingSensors[i];
      if (hardwareIdSequence > toInt) break;
      
      sensor.hardwareId = hardwareIdSequence.toString().padStart(8, '0');
      
      let mater_seq_id;
      if (sensorType === 'master') {
        mater_seq_id = await generatewaterlevelsensorId();
        sensor.masterId = `AS${date}MALOV1${mater_seq_id}`;
      } else if (sensorType === 'slave') {
        mater_seq_id = await generatewaterlevelslavesensorId();
        sensor.masterId = `AS${date}SLLOV1${mater_seq_id}`;
      } else if (sensorType === 'sensor') {
        mater_seq_id = await generatewaterlevelheightsensorId();
        sensor.masterId = `AS${date}SELOV1${mater_seq_id}`;
      }

      await sensor.save(); // Save updated sensor in the database
      hardwareIdSequence++;
    }

    return reply.code(200).send({ message: 'HardwareId and MasterId assigned successfully' });
  } catch (error) {
    console.error('Error generating IDs:', error);
    return reply.code(500).send({ message: 'Internal Server Error' });
  }
};

exports.getSensorByHardwareId = async (req, reply) => {
  try {

    const { storeId } = req.params;
    const { hardwareId } = req.body;

    if (!hardwareId) {
      return reply.code(400).send({ message: 'hardwareId is required' });
    }

    const sensor = await Insensors.findOne({ storeId, hardwareId });

    if (!sensor) {
      return reply.code(404).send({ message: 'Sensor not found' });
    }

    return reply.code(200).send(sensor);
  } catch (error) {
    console.error('Error fetching sensor by hardwareId:', error);
    return reply.code(500).send({ message: 'Internal Server Error' });
  }
};

exports.updateSensorById = async (req, reply) => {
  try {
    const { _id } = req.params;
    let updateData = req.body;

    const allowedFields = ["model", "type", "hardwareId_company", "hardwareId","masterId"];

    // Filter out unwanted fields and convert type to lowercase if present
    const filteredUpdateData = Object.keys(updateData)
      .filter((key) => allowedFields.includes(key))
      .reduce((obj, key) => {
        obj[key] = key === "type" ? updateData[key].toLowerCase() : updateData[key];
        return obj;
      }, {});

    const updatedSensor = await Insensors.findByIdAndUpdate(_id, filteredUpdateData, { new: true });

    if (!updatedSensor) {
      return reply.code(404).send({ message: "Sensor not found" });
    }

    return reply.code(200).send(updatedSensor);
  } catch (error) {
    console.error("Error updating sensor:", error);
    return reply.code(500).send({ message: "Internal Server Error" });
  }
};

exports.deleteSensorById = async (req, reply) => {
  try {
    const { _id } = req.params;

    const deletedSensor = await Insensors.findByIdAndDelete(_id);

    if (!deletedSensor) {
      return reply.code(404).send({ message: "Sensor not found" });
    }

    return reply.code(200).send({ message: "Sensor deleted successfully" });
  } catch (error) {
    console.error("Error deleting sensor:", error);
    return reply.code(500).send({ message: "Internal Server Error" });
  }
};




exports.updateSensorQC = async (req, reply) => {
  try {
    const { hardwareId } = req.params;
    let updateData = req.body;

    const allowedFields = ['qccheck', 'qcby', 'comment', 'status', 'quality_check_details'];

    // Filter only allowed fields
    const filteredUpdateData = Object.keys(updateData)
      .filter((key) => allowedFields.includes(key))
      .reduce((obj, key) => {
        obj[key] = updateData[key];
        return obj;
      }, {});

    // Ensure qccheck is handled properly
    if (filteredUpdateData.qccheck) {
      const qccheckLower = filteredUpdateData.qccheck.toLowerCase();
      filteredUpdateData.status = qccheckLower === 'pass' ? 'available' : 'qcfailed';
    }

    // Update qccheckdate with the current date in "DD-MMM-YYYY - HH:MM" format
    filteredUpdateData.qccheckdate = moment().format('DD-MMM-YYYY - HH:mm');

    // Find the sensor by ID
    const updatedSensor = await Insensors.findOneAndUpdate(
      { hardwareId }, // correct query filter
      filteredUpdateData,
      { new: true }
    );
    
    if (!updatedSensor) {
      return reply.code(409).send({ message: 'Sensor not found' });
    }

    // Update stock based on QC result
    const stockRecord = await SensorStock.findOne({ storeId: updatedSensor.storeId, type: updatedSensor.type });

    if (stockRecord) {
      if (filteredUpdateData.qccheck && filteredUpdateData.qccheck.toLowerCase() === 'ok') {
        // If QC is "ok", move 1 from total_count_before_qc to total_available
        await SensorStock.updateOne(
          { storeId: updatedSensor.storeId, type: updatedSensor.type },
          { $inc: { total_count_before_qc: -1, total_available: 1 } }
        );
      } else {
        // If QC is failed, move 1 from total_count_before_qc to total_repair
        await SensorStock.updateOne(
          { storeId: updatedSensor.storeId, type: updatedSensor.type },
          { $inc: { total_count_before_qc: -1, total_repair: 1 } }
        );
      }
    }

    return reply.code(200).send(updatedSensor);
  } catch (error) {
    console.error('Error updating QC fields:', error);
    return reply.code(500).send({ message: 'Internal Server Error' });
  }
};





exports.getSensorsByStatus = async (req, reply) => {
  try {
    const { storeId } = req.params;

    const statuses = ["pending", "available", "rejected","blocked"];
    let result = {};

    for (const status of statuses) {
      result[status] = await Insensors.find({ storeId, status });
    }
    const sensorStock = await SensorStock.find({ storeId }).lean();
    return reply.code(200).send({
      status_code: 200,
      message: "Sensors and stock fetched successfully",
      data: {
        sensors: result,
        stock: sensorStock
      }
    });
  } catch (error) {
    console.error("Error fetching sensors:", error);
    return reply.code(500).send({ message: "Internal Server Error" });
  }
};









exports.getpumpswitchqc = async (req, reply) => {
  try {
    await MotorSwitchSensor.find({storeId: req.params.storeId,motorId:req.body.motorId})
      .exec()
      .then((docs) => {
        reply.send({ status_code: 200, data: docs, count: docs.length });
      })
      .catch((err) => {
        console.log(err);
        reply.send({ error: err });
      });
  } catch (err) {
    throw boom.boomify(err);
  }
};




const generateBatchNo = (type, hardwareIdCompany) => {
  const date = new Date();
  const ddmmyy = `${date.getDate().toString().padStart(2, '0')}${(date.getMonth() + 1).toString().padStart(2, '0')}${date.getFullYear().toString().slice(-2)}`;
  const companyPrefix = hardwareIdCompany.slice(0, 2).toUpperCase();
  const randomNumbers = Math.floor(100 + Math.random() * 900).toString(); // 3 random digits
  if (type === 'SENSOR') {
    return `SN${ddmmyy}${companyPrefix}${randomNumbers}`;
  }
  if (type === 'SLAVE') {
    return `SL${ddmmyy}${companyPrefix}${randomNumbers}`;
  }
  if (type === 'MASTER') {
    return `MA${ddmmyy}${companyPrefix}${randomNumbers}`;
  }
  if (type === 'MOTOR_SWITCH') {
    return `MS${ddmmyy}${companyPrefix}${randomNumbers}`;
  }
  // Add other type conditions if needed
  return null;
};

exports.createSensor = async (req, reply) => {
  try {
    const storeId = req.params.storeId;
    const { indate, batchno, hardwareId_company, quantity, model, type } = req.body;
    const sensorType = type.toLowerCase();
    let finalBatchNo = batchno;

    // Generate unique batch number if 'New' is received
    if (batchno === "New") {
      let isUnique = false;
      while (!isUnique) {
        finalBatchNo = generateBatchNo(type, hardwareId_company);
        const existingBatchNo = await Insensors.findOne({ batchno: finalBatchNo });
        if (!existingBatchNo) {
          isUnique = true;
        }
      }
    }

    let entries = [];
    for (let i = 0; i < quantity; i++) {
      entries.push({
        storeId,
        model,
        batchno: finalBatchNo,
        type: sensorType,
        indate,
        hardwareId_company,
      });
    }

    // Insert new sensors into Insensors collection
    const savedSensors = await Insensors.insertMany(entries);

    // Update stock information in SensorStock
    const stockRecord = await SensorStock.findOne({ storeId, type: sensorType });

    if (stockRecord) {
      // If stock record exists, update total_count
      await SensorStock.updateOne(
        { storeId, type: sensorType },
        { $inc: { total_count: quantity, total_count_before_qc: quantity } }
      );
    } else {
      // If no stock record exists, create a new one
      await SensorStock.create({
        storeId,
        type: sensorType,
        total_count: quantity,
        total_available: 0,
        total_blocked: 0,
        total_repair: 0,
        total_installed: 0,
        total_count_before_qc:quantity
      });
    }

    reply.code(200).send(savedSensors);
  } catch (err) {
    reply.code(500).send(err);
  }
};



exports.getbatchnumbers = async (req, reply) => {
  try {
    const { storeId, type } = req.params;

    let prefix = "";
    switch (type.toUpperCase()) {
      case "SLAVE":
        prefix = "SL";
        break;
      case "MASTER":
        prefix = "MA";
        break;
      case "SENSOR":
        prefix = "SN";
        break;
      case "MOTOR_SWITCH":
        prefix = "MS";
        break;
      default:
        reply.send({ status_code: 400, message: "Invalid type" });
        return;
    }

    await Insensors.distinct('batchno', {
      storeId: storeId,
      batchno: { $regex: `^${prefix}` },
    })
      .then((batchNumbers) => {
        reply.send({ status_code: 200, data: batchNumbers, count: batchNumbers.length });
      })
      .catch((err) => {
        console.error(err);
        reply.send({ status_code: 500, error: err });
      });
  } catch (err) {
    console.error(err);
    reply.send({ status_code: 500, error: err });
  }
};


exports.getbatquotationsforparticularstore = async (req, reply) => {
  try {
    const storeId = req.params.storeId;
   

    let query = { storeId: storeId };
    
  

    // Fetch data based on the query
    const result = await SensorQuotation.find(query);

    if (!result ) {
      return reply.send({ status_code: 404, error: "not found" });
    }

    reply.send({ status_code: 200, data: result });
  } catch (err) {
    throw boom.boomify(err);
  }
};


exports.getiots = async (req, reply) => {
  try {
    const storeId = req.params.storeId;
    let type = req.params.type ? req.params.type.toLowerCase() : null;  // Convert type to uppercase

    let query = { storeId: storeId };
    
    if (type !== "ALL") {
      query.type = type;
    }

    // Fetch data based on the query
    const result = await Insensors.find(query);

    if (!result ) {
      return reply.send({ status_code: 404, error: "not found" });
    }

    reply.send({ status_code: 200, data: result });
  } catch (err) {
    throw boom.boomify(err);
  }
};

exports.getusersofParticularInstaller = async (req, reply) => {
  try {
    await User.find({installationId: req.query.InstallerId})
      .exec()
      .then((docs) => {
        reply.send({ status_code: 200, data: docs, count: docs.length });
      })
      .catch((err) => {
        console.log(err);
        reply.send({ error: err });
      });
  } catch (err) {
    throw boom.boomify(err);
  }
};


const dayjs = require('dayjs');
const utc = require('dayjs/plugin/utc');
const timezone = require('dayjs/plugin/timezone');

// Extend dayjs with UTC and timezone plugins
dayjs.extend(utc);
dayjs.extend(timezone);

exports.createquotationforSensor = async (req, reply) => {
  try {
    const i_id = await generatequatationId();
    const quatationId = `AWQU${i_id}`;
    const { surveyId } = req.params;
    const { customerId, masters, slaves, sensors, motor_switches, electricals,master_connections } = req.body;
    

    // Format electricals field
    const formattedElectricals = electricals.map((item) => ({
      type: item.type || "",
      wire: item.wire || "",
      switch: item.switch || "",
      text: item.text || "",
    }));
    const formattedMasterDetails = master_connections.map((item) => ({
      master_name: item.master_name || "",
      slaves: item.slaves || "",
      location: item.location || "",
      googleLocation: item.googleLocation || "",
      latitude: item.latitude || "",
      longitude: item.longitude || "",
      tanks: Array.isArray(item.tanks)
          ? item.tanks.map(tank => ({
                tankName: tank.tankName || "",
                tankLocation: tank.tankLocation || ""
            }))
          : [],
          motor_switches: Array.isArray(item.motor_switches)
          ? item.motor_switches.map(motor_switch => ({

            from_tank: motor_switch.from_tank || "",
            from_location: motor_switch.from_location || "",
            to_tank: motor_switch.to_tank || "",
            to_location: motor_switch.to_location || "",
               
            }))
          : [],

  }));

    // Fetch pricing data from Iotprice database
    const getPrice = async (name, type) => {
      const priceData = await Iotprice.findOne({ name, type });
      return priceData ? priceData.cost : 0; // Default to 0 if not found
    };

    // Calculate price for masters, slaves, sensors, motor switches
    const masterPrice = await getPrice("master", "master");
    const slavePrice = await getPrice("slave", "slave");
    const sensorPrice = await getPrice("sensor", "sensor");
    const motorSwitchPrice = await getPrice("motor_switch", "motor_switches");

    // Calculate price for electricals
    let electricalPrice = 0;
    for (const item of formattedElectricals) {
      if (item.type === "cable") {
        electricalPrice += await getPrice("cable", item.wire); // wire field is type
      } else if (item.type === "switch") {
        electricalPrice += await getPrice("switch", item.switch); // switch field is type
      }
    }

    // Calculate total estimation price
    const totalEstimatedPrice = masterPrice + slavePrice + sensorPrice + motorSwitchPrice + electricalPrice;

    // Format current date and time in IST
    const formattedDateTime = dayjs().tz("Asia/Kolkata").format('DD-MMM-YYYY - HH:mm');

    // Create a new SensorQuotation document
    const newQuotation = new SensorQuotation({
      quatationId,
      customerId,
      master_connections: formattedMasterDetails, 
      surveyId,
      quote_status: "sentfromsurvey",
      masters,
      slaves,
      sensors,
      motor_switches,
      electricals: formattedElectricals,
      datetime: formattedDateTime,
      estimated_price: totalEstimatedPrice, // Store estimated price
    });

    const savedQuotation = await newQuotation.save();

    reply.code(200).send({
      success: true,
      message: 'Quotation for sensors created successfully.',
      data: savedQuotation,
    });

  } catch (error) {
    console.error('Error creating quotation:', error);
    reply.code(500).send({
      success: false,
      message: 'Failed to create quotation for sensors.',
      error: error.message,
    });
  }
};





exports.editQuotationForSensor = async (req, reply) => {
  try {
    const { quatationId } = req.params; // Get the ID of the quotation to edit
    const { masters, slaves, sensors, motor_switches, electricals, master_connections } = req.body;

    // Format electricals field
    const formattedElectricals = electricals.map((item) => ({
      type: item.type || "",
      wire: item.wire || "",
      switch: item.switch || "",
      text: item.text || "",
    }));

    // Format master_connections field
    const formattedMasterDetails = master_connections.map((item) => ({
      master_name: item.master_name || "",
      slaves: item.slaves || "",
      location: item.location || "",
      tanks: Array.isArray(item.tanks)
        ? item.tanks.map(tank => ({
            tankName: tank.tankName || "",
            tankLocation: tank.tankLocation || ""
          }))
        : []
    }));

    console.log("Formatted Master Connections:", formattedMasterDetails); // Debugging

    // Find and update the quotation
    const updatedQuotation = await SensorQuotation.findOneAndUpdate(
      { quatationId },
      {
        masters,
        slaves,
        sensors,
        motor_switches,
        electricals: formattedElectricals,
        master_connections: formattedMasterDetails, // <- Ensure it's included
        updated_at: dayjs().tz("Asia/Kolkata").format('DD-MMM-YYYY - HH:mm'),
      },
      { new: true } // Return the updated document
    );

    if (!updatedQuotation) {
      return reply.code(404).send({
        success: false,
        message: 'Quotation not found.',
      });
    }

    reply.code(200).send({
      success: true,
      message: 'Quotation updated successfully.',
      data: updatedQuotation,
    });
  } catch (error) {
    console.error('Error updating quotation:', error);
    reply.code(500).send({
      success: false,
      message: 'Failed to update quotation.',
      error: error.message,
    });
  }
};


exports.createEstimationPrice = async (req, reply) => {
  try {
    const { customerId,items } = req.body;
    const user = await User.findOne({ customerId });

    if (!Array.isArray(items) || items.length === 0) {
      return reply.code(400).send({ message: "Items array is required and cannot be empty" });
    }

    let totalEstimation = 0;
    const itemDetails = [];

    for (const item of items) {
      const { name, type, quantity } = item;

      // Fetch the unit price from IotPrice collection
      const priceEntry = await Iotprice.findOne({ name, type });

      if (!priceEntry) {
        itemDetails.push({
          name,
          type,
          quantity,
          unitPrice: null,
          totalCost: null,
          message: "Price not found"
        });
        continue;
      }

      const unitPrice = priceEntry.cost;
      const totalCost = unitPrice * quantity;
      totalEstimation += totalCost;

      itemDetails.push({
        name,
        type,
        quantity,
        unitPrice,
        totalCost
      });
    }

    return reply.code(200).send({
      items: itemDetails,
      estimatedTotal: totalEstimation,
      userDetails: user || null // Include user details in the response
    });

  } catch (error) {
    console.error("Error calculating estimation:", error);
    return reply.code(500).send({ message: "Failed to calculate estimation" });
  }
};


exports.getallquotationdata = async (req, reply) => {
  try {
    const quotations = await SensorQuotation.find({}).lean(); // Use lean() for better performance

    // Extract unique customerIds from quotations
    const customerIds = [...new Set(quotations.map((q) => q.customerId).filter(Boolean))];

    // Fetch customer details for all unique customerIds
    const customers = await User.find({ customerId: { $in: customerIds } }).lean();

    // Convert customer array to a dictionary for quick lookup
    const customerMap = customers.reduce((acc, customer) => {
      acc[customer.customerId] = customer;
      return acc;
    }, {});


    // Attach customer details to quotations
    const enrichedQuotations = quotations.map((quotation) => ({
      ...quotation,
      customerDetails: customerMap[quotation.customerId] || null, // Attach customer details if found
    }));

    reply.send({ status_code: 200, data: enrichedQuotations, count: enrichedQuotations.length });
  } catch (err) {
    console.error(err);
    reply.send({ error: err.message });
  }
};





exports.saveQuotationData = async (req, reply) => {
  try {
    const { quotationId } = req.params;  // Retrieve the quotationId from the request parameters

    // Fetch the quotation data from the database
    const quotation = await SensorQuotation.findOne({ quatationId: quotationId });
    console.log(quotation)
    if (!quotation) {
      return reply.code(404).send({
        success: false,
        message: 'Quotation not found.'
      });
    }

    // Extract the price-per-unit and total price values from the request body
    const {
      masters_quantity_price, 
      masters_total_price,
      slaves_quantity_price, 
      slaves_total_price, 
      motor_switches_quantity_price, 
      motor_switches_total_price, 
      electricals_quantity_price, 
      electricals_total_price, 
      master_type_quantity_price, 
      master_type_total_price, 
      sensor_type_quantity_price, 
      sensor_type_total_price, 
      switch_type_quantity_price, 
      switch_type_total_price,
      quotation_total_price
    } = req.body;

    // Update the quotation document with the data from the request body
    quotation.masters_quantity_price = masters_quantity_price;
    quotation.masters_total_price = masters_total_price;
    quotation.slaves_quantity_price = slaves_quantity_price;
    quotation.slaves_total_price = slaves_total_price;
    quotation.motor_switches_quantity_price = motor_switches_quantity_price;
    quotation.motor_switches_total_price = motor_switches_total_price;
    quotation.electricals_quantity_price = electricals_quantity_price;
    quotation.electricals_total_price = electricals_total_price;
    quotation.master_type_quantity_price = master_type_quantity_price;
    quotation.master_type_total_price = master_type_total_price;
    quotation.sensor_type_quantity_price = sensor_type_quantity_price;
    quotation.sensor_type_total_price = sensor_type_total_price;
    quotation.switch_type_quantity_price = switch_type_quantity_price;
    quotation.switch_type_total_price = switch_type_total_price;
    quotation.qutation_total_price = quotation_total_price;

    // Save the updated document back to the database
    await quotation.save();

    // Send back the updated data
    reply.code(200).send({
      success: true,
      message: 'Quotation data saved successfully.',
      data: quotation
    });
  } catch (error) {
    console.error('Error saving quotation data to the database:', error);
    reply.code(500).send({
      success: false,
      message: 'Failed to save quotation data.',
      error: error.message,
    });
  }
};


exports.getSinleQuotationData = async (req, reply) => {
  try {
    const { quotationId } = req.params;  // Correct the parameter name

    // Fetch the quotation data from the database
    const quotation = await SensorQuotation.findOne({ quatationId: quotationId }); // Correctly referencing quotationId

    if (!quotation) {
      return reply.code(404).send({
        success: false,
        message: 'Quotation not found.'
      });
    }

    reply.code(200).send({
      success: true,
      message: 'Quotation data retrieved successfully.',
      data: quotation
    });
  } catch (error) {
    console.error('Error fetching quotation data:', error);
    reply.code(500).send({
      success: false,
      message: 'Failed to retrieve quotation data.',
      error: error.message,
    });
  }
};


exports.addToCartHardwareItems = async (req, reply) => {
  try {
    const { productId, productName, description, GST, unitPrice, quantity, totalAmount, serialId } = req.body;

    const gstAmount = (GST / 100) * totalAmount;
    const grandTotal = totalAmount + gstAmount;

    const newCartItem = new HardwareCart({
      productId,
      productName,
      description,
      GST,
      unitPrice,
      quantity,
      totalAmount,
      grandTotal, 
      serialId
    });

    const savedItem = await newCartItem.save();

    reply.code(201).send({ message: 'Item added to cart', data: savedItem });
  } catch (error) {
    console.error(error);
    reply.code(500).send({ message: 'Error adding item to cart', error });
  }
};

exports.addToCartService = async (req, reply) => {
  try {
    const { productId, productName, description, GST, unitPrice, quantity, totalAmount, serialId,installationId } = req.body;

    const gstAmount = (GST / 100) * totalAmount;
    const grandTotal = totalAmount + gstAmount;

    const newCartItem = new ServiceCart({
      installationId,
      productId,
      productName,
      description,
      GST,
      unitPrice,
      quantity,
      totalAmount,
      grandTotal, 
      serialId
    });

    const savedItem = await newCartItem.save();

    reply.code(201).send({ message: 'Item added to cart', data: savedItem });
  } catch (error) {
    console.error(error);
    reply.code(500).send({ message: 'Error adding item to cart', error });
  }
};




exports.getquotationofinstalleranduser = async (req, reply) => {
  try {
    const surveyId = req.params.surveyId;
    const customerId = req.body.customerId;
    
    // Find the specific tank
    const result = await SensorQuotation.find({
      surveyId: surveyId,
      customerId: customerId,
     
    });

    if (!result) {
      return reply.send({ status_code: 404, error: "not found" });
    }

   
    reply.send({ status_code: 200, data: result });
  } catch (err) {
    throw boom.boomify(err);
  }
};


exports.updateInstallationId = async (req, reply) => {
  try {
    const { _id } = req.params;
    const { installationId } = req.body;

    if (!_id || !installationId) {
      return reply.status(400).send({ error: "orderId and installationId are required" });
    }

    // Update the order with the new installationId
    const updatedOrder = await Order.findByIdAndUpdate(
      _id,
      {
        installationId,
        status: "installer_assigned", // Updating the status
        updated_at: new Date().toISOString(), // Updating timestamp
      },
      { new: true }
    );

    if (!updatedOrder) {
      return reply.status(404).send({ error: "Order not found" });
    }

    return reply.send({
      status_code: 200,
      message: "Installation ID updated successfully",
      data: updatedOrder,
    });
  } catch (err) {
    console.error("Error updating installationId:", err);
    return reply.status(500).send({ error: "Internal server error" });
  }
};


exports.getPendingOrders = async (req, reply) => {
  try {
    const pendingOrders = await Order.find({ status: "pending" });

    if (!pendingOrders.length) {
      return reply.send({
        status_code: 200,
        message: "No pending orders found",
        data: [],
      });
    }

    return reply.send({
      status_code: 200,
      message: "Pending orders fetched successfully",
      data: pendingOrders,
    });
  } catch (err) {
    console.error("Error fetching pending orders:", err);
    return reply.status(500).send({ error: "Internal server error" });
  }
};



exports.handleEstimation = async (req, reply) => {
  try {
    const { customerId, items, estimatedTotal, action } = req.body;

    if (!customerId) {
      return reply.code(400).send({ message: "customerId is required" });
    }
    if (!Array.isArray(items) || items.length === 0) {
      return reply.code(400).send({ message: "Items array is required and cannot be empty" });
    }
    if (!estimatedTotal) {
      return reply.code(400).send({ message: "Estimated total is required" });
    }
    if (!["accept", "reject"].includes(action)) {
      return reply.code(400).send({ message: "Invalid action, must be 'accept' or 'reject'" });
    }

    // If rejected, return a response without creating an order
    if (action === "reject") {
      return reply.code(200).send({ message: "Estimation rejected" });
    }

    // If accepted, generate unique Order ID
    const lastOrder = await EstimationOrder.findOne().sort({ createdAt: -1 });
    let orderId = "AWS001";
    if (lastOrder) {
      const lastNumber = parseInt(lastOrder.orderId.replace("AWS", ""), 10) + 1;
      orderId = `AWS${String(lastNumber).padStart(3, "0")}`;
    }

    // Create a new order in the database
    const newOrder = new EstimationOrder({
      orderId,
      customerId,
      items,
      estimatedTotal,
      status: "pending"
    });

    await newOrder.save();

    return reply.code(200).send({
      message: "Order created successfully",
      orderId,
      customerId,
      estimatedTotal,
      items,
      status: "pending"
    });

  } catch (error) {
    console.error("Error handling estimation:", error);
    return reply.code(500).send({ message: "Failed to process estimation" });
  }
};

exports.editOrder = async (req, reply) => {
  try {
    const { orderId, customerId, items, estimatedTotal } = req.body;

    if (!orderId) {
      return reply.code(400).send({ message: "orderId is required" });
    }

    // Find the existing order
    const existingOrder = await EstimationOrder.findOne({ orderId });

    if (!existingOrder) {
      return reply.code(404).send({ message: "Order not found" });
    }

    // Update the order in the database
    existingOrder.customerId = customerId;
    existingOrder.items = items;
    existingOrder.estimatedTotal = estimatedTotal;

    await existingOrder.save();

    return reply.code(200).send({
      message: "Order updated successfully",
      orderId,
      updatedItems: items,
      estimatedTotal
    });

  } catch (error) {
    console.error("Error updating order:", error);
    return reply.code(500).send({ message: "Failed to update order" });
  }
};

exports.getOrdersByCustomer = async (req, reply) => {
  try {
    const { customerId } = req.params;

    if (!customerId) {
      return reply.code(400).send({ message: "customerId is required" });
    }

    // Fetch orders with status 'pending' or 'accepted' for the given customer
    const orders = await EstimationOrder.find({
      customerId,
      status: { $in: ["pending", "accepted"] }
    });

    if (orders.length === 0) {
      return reply.code(404).send({ message: "No orders found for this customer" });
    }

    return reply.code(200).send({
      message: "Orders retrieved successfully",
      customerId,
      orders
    });

  } catch (error) {
    console.error("Error fetching orders:", error);
    return reply.code(500).send({ message: "Failed to fetch orders" });
  }
};



exports.acceptQuotation = async (req, reply) => {
  try {
    const { quotationId } = req.params;
    let { action, storeId } = req.body;

    action = action.toLowerCase();

    const quotation = await SensorQuotation.findOne({ quatationId: quotationId });
    if (!quotation) {
      return reply.status(404).send({ error: "Quotation not found" });
    }

    if (action === "reject") {
      await SensorQuotation.updateOne({ quatationId: quotationId }, { $set: { status: "rejected" } });

      return reply.send({
        status_code: 200,
        message: "Quotation rejected successfully",
      });
    } else if (action === "accept") {
      const { customerId, masters, slaves, sensors, master_connections } = quotation;

      // Step 1: Block Masters
      let blockedMasters = [];
      if (parseInt(masters) > 0) {
        const availableMasters = await Insensors.find({ storeId, type: "master", status: "available" })
          .limit(parseInt(masters))
          .lean();

        const masterIds = availableMasters.map(master => master._id);
        blockedMasters = availableMasters.map(master => ({ _id: master._id, hardwareId: master.hardwareId }));

        if (masterIds.length > 0) {
          await Insensors.updateMany(
            { _id: { $in: masterIds } },
            { $set: { status: "blocked", customerId } }
          );
        }
      }

      // Step 2: Assign Slaves to Masters
      let blockedSlaveIds = [];
      let blockedSlaves = [];

      for (let i = 0; i < master_connections.length; i++) {
        const masterData = master_connections[i];
        if (i >= blockedMasters.length) break;

        const masterHardwareId = blockedMasters[i].hardwareId;
        const masterId = blockedMasters[i]._id;
        const slaveCount = parseInt(masterData.slaves) || 0;

        // Assign Slaves
        if (slaveCount > 0) {
          const availableSlaves = await Insensors.find({ storeId, type: "slave", status: "available" })
            .limit(slaveCount)
            .lean();

          const slaveIds = availableSlaves.map(slave => slave._id);
          blockedSlaveIds.push(...slaveIds);
          blockedSlaves.push(...availableSlaves.map(slave => ({ _id: slave._id, hardwareId: slave.hardwareId })));

          for (let j = 0; j < availableSlaves.length; j++) {
            const slave = availableSlaves[j];
            const tank = masterData.tanks?.[j] || {};

            await Insensors.updateOne(
              { _id: slave._id },
              {
                $set: {
                  status: "blocked",
                  customerId,
                  connected_to: masterHardwareId,
                  tankhardwareId:  `tank-${j + 1}`,
                  hardwareId: slave.hardwareId,
                  tankName: tank.tankName || "",
                  tankLocation: tank.tankLocation || "",
                },
              }
            );
          }
        }

        // Update tanks and motor switches for master
        await Insensors.updateOne(
          { _id: masterId },
          {
            $set: {
              hardwareId: masterHardwareId,
              tanks: (masterData.tanks || []).map(tank => ({
                tankName: tank.tankName || "",
                tankLocation: tank.tankLocation || "",
              })),
              motor_switches: masterData.motor_switches || [],
            },
          }
        );
      }

      // Step 2.5: Update master_connections.hardwareId
      const updatedMasterConnections = quotation.master_connections.map((conn, index) => {
        const plain = conn.toObject ? conn.toObject() : conn;
        return {
          ...plain,
          hardwareId: blockedMasters[index]?.hardwareId || null,
        };
      });

      // Step 3: Assign Sensors to Slaves
      if (parseInt(sensors) > 0 && blockedSlaves.length > 0) {
        const availableSensors = await Insensors.find({ storeId, type: "sensor", status: "available" })
          .limit(parseInt(sensors))
          .lean();

        const sensorIds = availableSensors.map(sensor => sensor._id);

        for (let i = 0; i < sensorIds.length; i++) {
          const assignedSlave = blockedSlaves[i % blockedSlaves.length];

          await Insensors.updateOne(
            { _id: sensorIds[i] },
            {
              $set: {
                status: "blocked",
                customerId,
                connected_to: assignedSlave.hardwareId,
              },
            }
          );
        }
      }

      // Step 4: Update Sensor Stock
      const sensorTypes = [
        { type: "master", count: parseInt(masters || 0) },
        { type: "slave", count: parseInt(slaves || 0) },
        { type: "sensor", count: parseInt(sensors || 0) },
      ];

      for (const sensor of sensorTypes) {
        if (sensor.count > 0) {
          const stock = await SensorStock.findOne({ storeId, type: sensor.type });

          if (stock) {
            let available = stock.total_available || 0;
            let needed = sensor.count;
            let toBlock = Math.min(available, needed);
            let excessNeeded = needed - toBlock;

            if (toBlock > 0) {
              const availableSensors = await Insensors.find({ storeId, type: sensor.type, status: "available" })
                .limit(toBlock)
                .lean();

              const sensorIds = availableSensors.map(sensor => sensor._id);

              if (sensorIds.length > 0) {
                await Insensors.updateMany(
                  { _id: { $in: sensorIds } },
                  { $set: { status: "blocked", customerId } }
                );
              }
            }

            await SensorStock.updateOne(
              { storeId, type: sensor.type },
              {
                $inc: {
                  total_available: -toBlock,
                  total_blocked: toBlock,
                  excess_needed: excessNeeded > 0 ? excessNeeded : 0,
                },
              }
            );
          }
        }
      }

      // Step 5: Create Order
      const plainQuotation = quotation.toObject();
      plainQuotation.master_connections = updatedMasterConnections;

      const newOrder = new Order({
        ...plainQuotation,
        storeId,
        status: "pending",
      });

      await newOrder.save();

      // Step 6: Delete Quotation
      await SensorQuotation.deleteOne({ quatationId: quotationId });

      return reply.send({
        status_code: 200,
        message: "Quotation accepted, sensors blocked, and moved to Orders",
        data: newOrder,
      });
    } else {
      return reply.status(400).send({ error: "Invalid action" });
    }
  } catch (err) {
    console.error("Error processing quotation:", err);
    return reply.status(500).send({ error: "Internal server error" });
  }
};




exports.getOrdersByStoreId = async (req, reply) => {
  try {
    const { storeId } = req.params;

    if (!storeId) {
      return reply.status(400).send({ error: "storeId is required" });
    }

    // Fetch orders with the matching storeId
    const orders = await Order.find({ storeId });

    if (!orders.length) {
      return reply.send({
        status_code: 200,
        message: "No orders found for this store",
        data: [],
      });
    }

    // Fetch customer details & allocated sensors for each order
    const ordersWithDetails = await Promise.all(
      orders.map(async (order) => {
        // Fetch customer details
        const customer = await User.findOne({ customerId: order.customerId }).lean();

        // Fetch allocated sensors for this customer
        const allocatedSensors = await Insensors.find({
          storeId,
          customerId: order.customerId, // Match only sensors allocated to this customer
          status: "blocked", // Only fetch sensors that are allocated (blocked)
        }).lean();

        return {
          ...order.toObject(),
          customer: customer || null, // Include customer details or null if not found
          allocated_sensors: allocatedSensors, // List of allocated sensors
        };
      })
    );

    return reply.send({
      status_code: 200,
      message: "Orders fetched successfully",
      data: ordersWithDetails,
    });
  } catch (err) {
    console.error("Error fetching orders:", err);
    return reply.status(500).send({ error: "Internal server error" });
  }
};

// exports.getOrdersByInstallationId = async (req, reply) => {
//   try {
//     const { installationId } = req.params;

//     if (!installationId) {
//       return reply.status(400).send({ error: "installationId is required" });
//     }

//     // Fetch all orders by installationId
//     const orders = await Order.find({ installationId });

//     if (!orders.length) {
//       return reply.send({
//         status_code: 200,
//         message: "No orders found for this installation",
//         data: {
//           customers: [],
//           orders: []
//         }
//       });
//     }

//     // Get unique customerIds from orders
//     const uniqueCustomerIds = [...new Set(orders.map(order => order.customerId))];

//     // Fetch all customers in a single query
//     const customers = await User.find({ customerId: { $in: uniqueCustomerIds } }).lean();

//     // Map customerId -> customer object
//     const customerMap = {};
//     customers.forEach(c => {
//       customerMap[c.customerId] = c;
//     });

//     // For each order, attach allocated sensors only
//     const ordersWithSensors = await Promise.all(
//       orders.map(async (order) => {
//         const allocatedSensors = await Insensors.find({
//           storeId: order.storeId,
//           customerId: order.customerId,
//           status: "blocked"
//         }).lean();

//         return {
//           ...order.toObject(),
//           allocated_sensors: allocatedSensors
//         };
//       })
//     );

//     return reply.send({
//       status_code: 200,
//       message: "Orders fetched successfully",
//       data: customers
//       // data: {
//       //   customers,
//       //  // orders: ordersWithSensors
//       // }
//     });

//   } catch (err) {
//     console.error("Error fetching orders:", err);
//     return reply.status(500).send({ error: "Internal server error" });
//   }
// };

// exports.getOrdersByInstallationId = async (req, reply) => {
//   try {
//     const { installationId } = req.params;

//     if (!installationId) {
//       return reply.status(400).send({ error: "installationId is required" });
//     }

//     // Fetch orders with the matching installationId
//     const orders = await Order.find({ installationId });

//     if (!orders.length) {
//       return reply.send({
//         status_code: 200,
//         message: "No orders found for this installation",
//         data: [],
//       });
//     }

//     const uniqueCustomersMap = new Map();

//     // Build unique customerId-based map
//     for (const order of orders) {
//       if (!uniqueCustomersMap.has(order.customerId)) {
//         uniqueCustomersMap.set(order.customerId, order);
//       }
//     }

//     // Only keep one order per customerId
//     const uniqueOrders = Array.from(uniqueCustomersMap.values());

//     // Enrich with customer and sensor info
//     const ordersWithDetails = await Promise.all(
//       uniqueOrders.map(async (order) => {
//         const customer = await User.findOne({ customerId: order.customerId }).lean();

//         const allocatedSensors = await Insensors.find({
//           storeId: order.storeId,
//           customerId: order.customerId,
//           status: "blocked",
//         }).lean();

//         return {
//           ...order.toObject(),
//           customer: customer || null,
//           allocated_sensors: allocatedSensors,
//         };
//       })
//     );

//     return reply.send({
//       status_code: 200,
//       message: "Orders fetched successfully",
//       data: ordersWithDetails,
//     });

//   } catch (err) {
//     console.error("Error fetching orders:", err);
//     return reply.status(500).send({ error: "Internal server error" });
//   }
// };

exports.getOrdersByInstallationId = async (req, reply) => {
  try {
    const { installationId } = req.params;

    if (!installationId) {
      return reply.status(400).send({ error: "installationId is required" });
    }

    // Fetch orders with the matching installationId
    const orders = await Order.find({ installationId });

    if (!orders.length) {
      return reply.send({
        status_code: 200,
        message: "No orders found for this installation",
        data: [],
      });
    }

    const uniqueCustomersMap = new Map();

    // Build unique customerId-based map
    for (const order of orders) {
      if (!uniqueCustomersMap.has(order.customerId)) {
        uniqueCustomersMap.set(order.customerId, order);
      }
    }

    // Only keep one order per customerId
    const uniqueOrders = Array.from(uniqueCustomersMap.values());

    // Enrich with customer and sensor info, AND update work_status if missing
    const ordersWithDetails = await Promise.all(
      uniqueOrders.map(async (order) => {
        const customer = await User.findOne({ customerId: order.customerId }).lean();

        const allocatedSensors = await Insensors.find({
          storeId: order.storeId,
          customerId: order.customerId,
          status: "blocked",
        }).lean();

        // ✅ If missing, update work_status to "active" and save in DB
        if (!order.work_status) {
          order.work_status = "active";
          await order.save();  // This persists the change to MongoDB
        }

        return {
          ...order.toObject(),
          customer: customer || null,
          allocated_sensors: allocatedSensors,
          work_status: order.work_status  // Now always persisted
        };
      })
    );

    return reply.send({
      status_code: 200,
      message: "Orders fetched successfully",
      data: ordersWithDetails,
    });

  } catch (err) {
    console.error("Error fetching orders:", err);
    return reply.status(500).send({ error: "Internal server error" });
  }
};






exports.getallocatedsensorstouser= async (req, reply) => {
  try {
    const { customerId } = req.params;

    if (!customerId) {
      return reply.status(400).send({ error: "customerId is required" });
    }

    // Fetch orders with the matching storeId
    const allocated_iots = await Insensors.find({ customerId });

    if (!allocated_iots.length) {
      return reply.send({
        status_code: 200,
        message: "No sensors found for this store",
        data: [],
      });
    }



    return reply.send({
      status_code: 200,
      message: "iots fetched successfully",
      data: allocated_iots,
    });
  } catch (err) {
    console.error("Error fetching iots:", err);
    return reply.status(500).send({ error: "Internal server error" });
  }
};



const crypto = require("crypto");



exports.replaceAndRepair = async (req, reply) => {
  try {
    const { customerId } = req.params;
    const { items } = req.body;

    if (!customerId || !Array.isArray(items) || items.length === 0) {
      return reply.code(400).send({ error: "customerId and items[] are required" });
    }

    const replacements = [];

    for (const item of items) {
      const { type, hardwareId } = item;
      console.log(`🔍 Processing ${type} with hardwareId: ${hardwareId}`);

      const existing = await Insensors.findOne({ hardwareId, type, customerId });

      if (!existing) {
        console.warn(`⚠️ No existing ${type} found for hardwareId: ${hardwareId}`);
        continue;
      }

      // Mark existing as repair
      await Insensors.updateOne(
        { _id: existing._id },
        { $set: { status: "repair", outforrepairdate: new Date().toISOString() } }
      );
      console.log(`🛠 Marked old ${type} ${hardwareId} as repair`);

      // Find replacement
      const replacement = await Insensors.findOne({
        type,
        status: "available",
        storeId: existing.storeId
      });

      if (!replacement) {
        console.warn(`⚠️ No available replacement found for ${type} at store ${existing.storeId}`);
        continue;
      }

      console.log(`✅ Found replacement ${replacement.hardwareId} for ${type}`);

      const updateData = {
        status: "blocked",
        customerId: existing.customerId,
        tankName: existing.tankName,
        tankLocation: existing.tankLocation,
        storeId: existing.storeId,
        model: existing.model,
        tankhardwareId: existing.tankhardwareId,
        masterId: existing.masterId,
        masterName: existing.masterName,
        location: existing.location
      };

      await Insensors.updateOne({ _id: replacement._id }, { $set: updateData });
      console.log(`✅ Updated replacement ${type} ${replacement.hardwareId} with previous config`);

      // === Cascade updates ===
      if (type === "master") {
        const connectedSlaves = await Insensors.find({
          type: "slave",
          connected_to: hardwareId,
          customerId
        });

        for (const slave of connectedSlaves) {
          await Insensors.updateOne(
            { _id: slave._id },
            { $set: { connected_to: replacement.hardwareId } }
          );
          console.log(`🔁 Updated slave ${slave.hardwareId} → connected_to: ${replacement.hardwareId}`);
        }
      }

      if (type === "slave") {
        await Insensors.updateOne(
          { _id: replacement._id },
          { $set: { connected_to: existing.connected_to } }
        );
        console.log(`🔁 New slave ${replacement.hardwareId} → connected_to: ${existing.connected_to}`);

        const connectedSensors = await Insensors.find({
          type: "sensor",
          connected_to: hardwareId,
          customerId
        });

        for (const sensor of connectedSensors) {
          await Insensors.updateOne(
            { _id: sensor._id },
            { $set: { connected_to: replacement.hardwareId } }
          );
          console.log(`🔁 Updated sensor ${sensor.hardwareId} → connected_to: ${replacement.hardwareId}`);
        }
      }

      if (type === "sensor") {
        await Insensors.updateOne(
          { _id: replacement._id },
          { $set: { connected_to: existing.connected_to } }
        );
        console.log(`🔁 Sensor ${replacement.hardwareId} connected to same slave: ${existing.connected_to}`);
      }

      // Log replacement
      replacements.push({
        type,
        oldHardwareId: hardwareId,
        newHardwareId: replacement.hardwareId
      });

      console.log(`📦 Logged replacement: ${type} ${hardwareId} ➜ ${replacement.hardwareId}`);
    }

    console.log("🧾 Final replacements:", replacements);

    // Create repair log
    const packageId = "PKG-" + crypto.randomBytes(4).toString("hex").toUpperCase();
    const otp = Math.floor(100000 + Math.random() * 900000).toString();

    const repairLog = new Repairorder({
      customerId,
      packageId,
      otp,
      replacements,
      createdAt: new Date()
    });

    await repairLog.save();
    console.log("✅ RepairLog saved");

    return reply.send({
      status_code: 200,
      message: "Repaired and replaced successfully",
      data: {
        packageId,
        otp,
        replacements,
        createdAt: repairLog.createdAt
      }
    });
  } catch (err) {
    console.error("❌ Error during replacement:", err);
    return reply.code(500).send({ error: "Internal Server Error" });
  }
};