// const fastify = require("fastify")({
//   logger: true,
// });
const bcrypt = require("bcrypt");
const saltRounds = 10;
const libphonenumberjs = require("libphonenumber-js");
// External Dependancies
// offers http-friendly error objects.
const boom = require("boom");

// Get Data Models
const User = require("../models/User");

const customJwtAuth = require("../customAuthJwt");
const fastify = require("fastify")({
  logger: true,
});

//function to encrypt password.
//used bcrypt module.
async function bcryptPassword(password) {
  encryptedPwd = bcrypt.hash(password, saltRounds);
  return encryptedPwd;
}

//function to decrypt password return user object .
//used bcrypt module.
async function bcryptComparePassword(pwd, encpassword) {
  isSame = bcrypt.compare(pwd, encpassword);
  return isSame;
}
// Get current users
exports.getCurrentUser = async (req, reply) => {
  try {
    const users = await await User.findOne({ username: req.user.username });
    return users;
  } catch (err) {
    throw boom.boomify(err);
  }
};
// Get all users
exports.getUsers = async (req, reply) => {
  const limit = parseInt(req.query.limit) || 100;
  const page = parseInt(req.query.page) || 1;
  const startindex = (page - 1) * limit;
  try {
    await User.find()
      .limit(limit)
      .skip(startindex)
      .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);
  }
};

// Get single user by ID
exports.getSingleUser = async (req, reply) => {
  try {
    const username = req.params.username;
    const user = await User.findOne({ username: username });
    return user;
  } catch (err) {
    throw boom.boomify(err);
  }
};

// Edit user info by userId
exports.editUserInfo = async (req, body) => {
  try {
    const { userId } = req.params;
    const userInfo = await User.findById(userId);
    const updateData = req.body;
    console.log(updateData.firstName);
    if (updateData.firstName) userInfo.profile.firstName = updateData.firstName;
    if (updateData.lastName) userInfo.profile.lastName = updateData.lastName;
    if (updateData.phone) userInfo.profile.contactNumber = updateData.phone;
    if (updateData.address1) userInfo.profile.address1 = updateData.address1;
    if (updateData.address2) userInfo.profile.address2 = updateData.address2;
    if (updateData.city) userInfo.profile.city = updateData.city;
    if (updateData.state) userInfo.profile.state = updateData.state;
    if (updateData.country) userInfo.profile.country = updateData.country;
    if (updateData.zip) userInfo.profile.zip = updateData.zip;
    if (updateData.phone) userInfo.phone = updateData.phone;
    if (updateData.email) userInfo.emails[0].email = updateData.email;
    if (updateData.role) userInfo.profile.role = updateData.role;
    const user = await userInfo.save();
    return user;
  } catch (err) {
    throw boom.boomify(err);
  }
};

exports.editCuurentUserInfo = async (req, reply) => {
  try {
    const { username } = req.params;
    const userInfo = await User.findOne({ username: username.toString() });
    const updateData = req.body;

    if (updateData.firstName) userInfo.profile.firstName = updateData.firstName;
    if (updateData.lastName) userInfo.profile.lastName = updateData.lastName;
    if (updateData.phone) userInfo.profile.contactNumber = updateData.phone;
    if (updateData.address1) userInfo.profile.address1 = updateData.address1;
    if (updateData.address2) userInfo.profile.address2 = updateData.address2;
    if (updateData.city) userInfo.profile.city = updateData.city;
    if (updateData.state) userInfo.profile.state = updateData.state;
    if (updateData.country) userInfo.profile.country = updateData.country;
    if (updateData.zip) userInfo.profile.zip = updateData.zip;
    // if (updateData.phone) userInfo.phone = updateData.phone;
    if (updateData.email) userInfo.emails[0].email = updateData.email;
    if (updateData.role) userInfo.profile.role = updateData.role;

    if (updateData.phone) {
      const phoneNumber = libphonenumberjs.parsePhoneNumber(updateData.phone);
      if (phoneNumber) {
        // access returned collection
        if (!phoneNumber.isValid()) {
          error = {
            armintatankdata: {
              error: true,
              code: 10002,
              message:
                "10002 - Phone # " +
                updateData.phone +
                " is not a valid phone number",
            },
          };
          req.body.regError = error;
          reply.status(406).send(error);
        }
      }
    }

    if (userInfo.phone == updateData.phone) {
      console.log("IF++++++++++++++=");
      userInfo.phone = updateData.phone;
      userInfo.phoneVerified = true;
    } else {
      console.log("Ilse++++++++++++++=");
      userInfo.phone = updateData.phone;
      userInfo.phoneVerified = false;
    }
    const user = await userInfo.save();
    return user;
  } catch (err) {
    throw boom.boomify(err);
  }
};

// Add a new user
// Function accepts username, password , encrypts password and saves it in the database.
exports.addUser = async (req, reply) => {
  try {

    // console.log("This is the reply in the handler after the validations", reply);
    userData = {
   
      username: req.body.username,
      emails: req.body.emails,
      password: req.body.password,
      phone: req.body.phone,
      buildingName: req.body.buildingName,
      inchargeName: req.body.inchargeName,
      profile: {
        firstName: req.body.firstname,
        lastName: req.body.lastname,
        contactNumber: req.body.phone,
        country: req.body.country,
        state: req.body.state,
        city: req.body.city,
        address1: req.body.address1,
        address2: req.body.address2,
        zip: req.body.zip,
        notes: req.body.notes,
      },
    };
    
    var user = new User(userData);

    //password is not at the top level in the collection.
    userpass = req.body.password;

    // If fields are sent via form encoding , capture the fields and assign them to the user Object.

    checkFormEncoding = isUserFormUrlEncoded(req);
    if (checkFormEncoding.isUserFormUrlEncoded) {
      usertobeInserted = checkFormEncoding.user;
      console.log("thsi true url string");  
      user.username = usertobeInserted.username;
      user.firstName = usertobeInserted.firstName;
      user.lastName = usertobeInserted.lastName;
      user.lastName = usertobeInserted.lastName;
      user.phone = usertobeInserted.phone;
      user.emails = usertobeInserted.emails;
      user.passsword = usertobeInserted.password;
      user.buildingName = usertobeInserted.buildingName;
      user.inchargeName = usertobeInserted.inchargeName;

    }

    console.log("---------checkurl ecnoded string-----------------------");

    // Store hash in your password DB.
    hash = await bcryptPassword(userpass);

    if (hash) {
      user.services.password.bcrypt = hash;
      if (req.body.role) {
        user.profile.role = req.body.role;
        console.log("******************************************************");
        console.log(user);
      } else {
        // override  and make the user role as "user" by default
        role = ["user"];
        user.profile.role = role;
      }

      insertedUser = await user.save();
      console.log(insertedUser);
      if (insertedUser) {
        // Prepare user object and wrap it inside the armintatankdata
        var retUser = {
          armintatankdata: {
            username: insertedUser.username,
            phone: insertedUser.phone,
            emails: [
              {
                email: insertedUser.emails[0].email,
              },
            ],
            profile: insertedUser.profile,
          },
          status_code: 200,
        };

        return retUser;
      }
    }
  } catch (err) {
    throw boom.boomify(err);
  }
};
// Login a user
// Accepts a user , password , and checks in the system to see if user exists , and password is valid
// returns a user object so that jwt token can be created and sent back to the client

exports.loginUser = async (req) => {
  try {
    const phone = req.body.phone;
    const password = req.body.password;
    
    const user = await User.findOne({ phone: phone });
    console.log(user.username)
    // compare users password with what is supplied
    if (user) {
      isSame = await bcryptComparePassword(
        password,
        user.services.password.bcrypt
      );
      // if password supplied matches return object
      if (isSame) {
        return { same: true, user: user };
      } else {
        return { same: false };
      }
    } else {
      return { same: false };
    }
  } catch (err) {
    throw boom.boomify(err);
  }
};

// Update an existing user
exports.updateUser = async (req, reply) => {
  try {
    const id = req.params.id;
    const user = req.body;
    const { ...updateData } = user;
    const update = await User.findByIdAndUpdate(id, updateData, { new: true });
    return update;
  } catch (err) {
    throw boom.boomify(err);
  }
};

// Delete a user
exports.deleteUser = async (req, reply) => {
  try {
    const id = req.params.id;
    const user = await User.findByIdAndRemove(id);
    return user;
  } catch (err) {
    throw boom.boomify(err);
  }
};

//Added the getphone user and delphone user apis for testing purposes
exports.getPhoneUser = async (req, reply) => {
  try {
    console.log(" requesting the api getPhoneUser , and passing the phone ");
    const phone = req.body.phone;
    const user = await User.findOne({ phone: phone });
    return user;
  } catch (err) {
    throw boom.boomify(err);
  }
};

exports.delPhoneUser = async (req, reply) => {
  try {
    const phone = req.body.phone;
    console.log("deleting users wiht the phone ....", phone);
    const user = await User.deleteOne({ phone: phone });
    return user;
  } catch (err) {
    throw boom.boomify(err);
  }
};