import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'dart:convert';
import 'package:flutter/services.dart';
import 'package:http/http.dart' as http;
import 'package:fluttertoast/fluttertoast.dart';
import 'package:shared_preferences/shared_preferences.dart';
//import 'package:watermanagement/preloader.dart';
import 'package:intl/intl.dart';
import 'package:flutter_styled_toast/flutter_styled_toast.dart';
import 'dart:async';
import 'package:geolocator/geolocator.dart';
import 'package:watermanagement/preloader.dart';


const Color primaryColor = Color(0XFF0D4E84);
const Color greyColor = Color(0XFF8F8E8E);
const Color textFieldStartColor = Colors.grey;
const Color screenBackgroundColor = Color(0XFFEAF6FF);
const Color screenBackgroundColord = Colors.black12;
const Color dashboardbackground = Color(0XFFF5F5F5);

Color AppBarGradient_1 = Color(0XFF1258F6);

TextStyle PreloaderText() {
  return TextStyle(color: Colors.blueAccent);
}

TextStyle labelTextStyle() {
  return TextStyle(color: primaryColor, fontSize: 12);
}

TextStyle textButtonStyle() {
  return TextStyle(color: primaryColor, fontSize: 15);
}

TextStyle iconBelowTextStyle() {
  return TextStyle(fontSize: 10, color: primaryColor);
}

TextStyle valuesTextStyle() {
  return TextStyle(
    fontSize: 12,
    fontWeight: FontWeight.bold,
  );
}

Text capacitySuffixText() {
  return Text('in Ltrs.');
}

TextStyle dashboardTextStyle() {
  return TextStyle(
    color: primaryColor,
    fontSize: 12,
    fontWeight: FontWeight.bold,
  );
}

TextStyle labelTextStyleBold() {
  return TextStyle(
    color: primaryColor,
    fontWeight: FontWeight.bold,
  );
}

TextStyle serverIssueTextStyle() {
  return TextStyle(color: Colors.red, fontSize: 15);
}

final GlobalKey<State> preloaderWindowKey = new GlobalKey<State>();
Future<void> preloaderWindow(BuildContext context) async {
  try {
    Dialogs.showLoadingDialog(context, preloaderWindowKey);
  } catch (error) {}
}

class AppSettings {
  static SharedPreferences sharedPreferences =
      SharedPreferences.getInstance() as SharedPreferences;
  static String deliveryboyName ='';
  static String accessToken = '';
  static String phoneNumber = '';
  static String deliveryBoyname = '';
  static String address = '';
  static String supplierId = '';

  static String customerId = '';
  static String customerIdsign = '';
  static String profileImage = '';
  static List<String> storedPreferenceValidKeys = ['deliveryBoyname', 'access_token'];
  static String preloadText = 'Please wait';
  static String latitude = '';
  static String longitude = '';
  static bool servicestatus = false;
  static bool haspermission = false;
  static late LocationPermission permission;
  static late Position position;
  static String long = "", lat = "";
  late StreamSubscription<Position> positionStream;

  //api urls
  static String host = 'http://35.207.198.4:3000/api/';
  static String loginUrl = host + 'sendSms';
  static String deliveryboyloginUrl = host + 'deliveryboylogin';
  static String deliveryboybookingsUrl = host + 'getdeliveryboybookings';
  static String deliveryboyStartAndStopUrl = host + 'deliveryboystartandstop';
  static String deliveryboyFinishOrderUrl = host + 'amountpaidByCustomer';
  static String verifyPhnUrl = host + 'phone';
  static String updateProfileUrl = host + 'update/currentUser';
  static String profilePicUrl = host + 'users/profile-picture';
  static String resetTokenUrl = host + 'reset_token';

  static File? updatedImage;
  static String image = '';
  static var api = {
    'signIn': host + '/login',
  };

  /*Formatter*/
  static String formNum(String s) {
    var comma = NumberFormat('##,##,##,###');
    return comma.format(
      int.parse(s),
    );
  }

  /* Preloader */
  static GlobalKey<State> preLoaderKey = new GlobalKey<State>();
  static Future<void> preLoaderDialog(BuildContext context) async {
    try {
      preLoaderKey = new GlobalKey<State>();
      Dialogs.showLoadingDialog(context, preLoaderKey);
    } catch (error) {}
  }

  ////request headers with content type
  static Future<Map<String, String>> buildRequestHeaders() async {
    Map<String, String> _headers = new Map<String, String>();
    _headers[HttpHeaders.contentTypeHeader] = 'application/json';
    _headers['Authorization'] = accessToken;
    return _headers;
  }

  //request headers without content type
  static Future<Map<String, String>> buildPutRequestHeaders() async {
    Map<String, String> _headers = new Map<String, String>();
    _headers['Authorization'] = accessToken;
    return _headers;
  }

  static Future<Map<String, String>> buildPutRequestHeadersForResetToken() async {
    Map<String, String> _headers = new Map<String, String>();
    return _headers;
  }

  // Shared preferences save,get and clear data
  static saveData(String _key, _value, type) async {
    sharedPreferences = await SharedPreferences.getInstance();

    if (type == 'STRING') {
      await sharedPreferences.setString(_key, _value.toString());
    } else if (type == 'INTEGER') {
      await sharedPreferences.setInt(_key, _value);
    } else if (type == 'BOOL') {
      await sharedPreferences.setBool(_key, _value);
    } else if (type == 'DOUBLE') {
      await sharedPreferences.setDouble(_key, _value);
    }
  }

  static getData(String _key, type) async {
    sharedPreferences = await SharedPreferences.getInstance();
    if (type == 'STRING') {
      return sharedPreferences.getString(_key) ?? '';
    } else if (type == 'INTEGER') {
      return sharedPreferences.getInt(_key) ?? -1;
    } else if (type == 'BOOL') {
      return sharedPreferences.getBool(_key) ?? -1;
    } else if (type == 'DOUBLE') {
      return sharedPreferences.getDouble(_key) ?? -1;
    }
  }

  static clearSharedPreferences() async {
    sharedPreferences = await SharedPreferences.getInstance();
    await sharedPreferences.clear();
  }

  /*Sign in check*/
  static Future<bool> isSigIn() async {
    bool isSignInCheck = true;
    for (var eachKey in storedPreferenceValidKeys) {
      if (await getData(eachKey, 'STRING') == '') {
        isSignInCheck = false;
      }
    }
    return isSignInCheck;
  }

  static Future<bool> internetConnectivity() async {
    try {
      final result = await InternetAddress.lookup('google.com');
      if (result.isNotEmpty && result[0].rawAddress.isNotEmpty) {
        return true;
      }
    } on SocketException catch (_) {
      return false;
    }
    return false;
  }

  /*Apis Starts here*/

  static Future<bool> loginOtp(payload) async {
    var response = await http.post(Uri.parse(loginUrl),
        body: json.encode(payload),
        headers: {'Content-type': 'application/json'});

    if (response.statusCode == 200) {
      try {
        var _response = json.decode(response.body);
        return true;
      } catch (e) {
        // display error toast
        return false;
      }
    } else {
      return false;
    }
  }


  static Future<bool> login(payload) async {
    var response = await http.post(Uri.parse(deliveryboyloginUrl),
        body: json.encode(payload),
        headers: {'Content-type': 'application/json'});

    if (response.statusCode == 200) {
      try {
        var _response = json.decode(response.body);
        print(_response['simplydata']['error']);

        if (_response['simplydata']['error'] == false) {
          await saveAvailableReportAndLocationsInMemory(_response);
          //await saveProfilePic(_response);
          return true;
        } else {
          return false;
        }
      } catch (e) {
        // display error toast
        return false;
      }
    } else {
      return false;
    }
  }


  static Future<String> getdeliveryboybookings() async {
    var response = await http.get(Uri.parse(deliveryboybookingsUrl + '/' + phoneNumber),
        headers: await buildRequestHeaders());

    if (response.statusCode == 200) {
      try {
        var _response = json.decode(response.body);
        print(_response);
        return response.body;
      } catch (e) {
        // display error toast
        return '';
      }
    } else if (response.statusCode == 401) {
      bool status = await AppSettings.resetToken();
      if (status) {
        response = await http.get(Uri.parse(deliveryboybookingsUrl + '/' + phoneNumber),
            headers: await buildRequestHeaders());
        if (response.statusCode == 200) {
          return response.body;
        } else {
          return "";
        }
      } else {
        return "";
      }
    } else {
      return "";
    }
  }


  static Future<bool> verifyPhn(payload) async {
    var response = await http.post(Uri.parse(verifyPhnUrl),
        body: json.encode(payload),
        headers: {'Content-type': 'application/json'});

    if (response.statusCode == 200) {
      try {
        var _response = json.decode(response.body);
        print(_response);
        if (_response['armintatankdata']['error'] == false) {
          return true;
        } else {
          return false;
        }
      } catch (e) {
        // display error toast
        return false;
      }
    } else {
      return false;
    }
  }

  static Future<String> startAndStop(var bookingId,payload) async {
    //var uri = Uri.parse(deliveryboyStartAndStopUrl);
    var uri = Uri.parse(deliveryboyStartAndStopUrl + '/' + bookingId);
    var response = await http.put(uri,
        body: json.encode(payload), headers: await buildRequestHeaders());
    if (response.statusCode == 200) {
      return response.body;
    } else if (response.statusCode == 401) {
      bool status = await AppSettings.resetToken();
      if (status) {
        response = await http.put(uri,
            body: json.encode(payload), headers: await buildRequestHeaders());
        if (response.statusCode == 200) {
          return response.body;
        } else {
          return '';
        }
      } else {
        return '';
      }
    } else {
      return '';
    }
  }

  static Future<bool> deliveryboyFinishOrder(var bookingId,payload) async {
    //var uri = Uri.parse(deliveryboyStartAndStopUrl);
    var uri = Uri.parse(deliveryboyFinishOrderUrl + '/' + bookingId);
    var response = await http.put(uri,
        body: json.encode(payload), headers: await buildRequestHeaders());
    if (response.statusCode == 200) {
      return true;
    } else if (response.statusCode == 401) {
      bool status = await AppSettings.resetToken();
      if (status) {
        response = await http.put(uri,
            body: json.encode(payload), headers: await buildRequestHeaders());
        if (response.statusCode == 200) {
          return true;
        } else {
          return false;
        }
      } else {
        return false;
      }
    } else {
      return false;
    }
  }


  static Future<bool> resetToken() async {
    var uri = Uri.parse(resetTokenUrl + '/' + customerId);

    try {
      // var response = await http.get(uri, headers: await buildPutRequestHeaders());
      var response = await http.get(uri,
          headers: await buildPutRequestHeadersForResetToken());
      if (response.statusCode == 200) {
        print(response.body);
        var res = jsonDecode(response.body);
        print(res);

        accessToken = res['access_token'];
        return true;
      } else {
        return false;
      }
    } catch (e) {
      print(e);
      return false;
    }
  }


  /*Apis ends here*/

  //save data local
  static Future<void> saveAvailableReportAndLocationsInMemory(
      dynamic input) async {
    // save login name information
    await saveData(
        'access_token', input['simplydata']['access_token'], 'STRING');
    await saveData('phone', input['simplydata']['phone'], 'STRING');
    await saveData('deliveryBoyname', input['simplydata']['deliveryBoyname'], 'STRING');
    await saveData('address', input['simplydata']['address'], 'STRING');
    await saveData('supplierId', input['simplydata']['supplierId'], 'STRING');
    await loadDataFromMemory();
  }

  static Future<void> saveProfile(dynamic image) async {
    // save login name information
    await saveData('profile', image.toString(), 'STRING');
    //await loadDataFromMemory();
  }

  static Future<void> loadDataFromMemory() async {
    accessToken = await getData('access_token', 'STRING');
    phoneNumber = await getData('phone', 'STRING');
    deliveryBoyname = await getData('deliveryBoyname', 'STRING');
    address = await getData('address', 'STRING');
    supplierId = await getData('supplierId', 'STRING');
  }


  static String getStringFromBytes(data) {
    final buffer = data.buffer;
    var list = buffer.asUint8List(data.offsetInBytes, data.lengthInBytes);
    var bufferdata=utf8.decode(list);
    String bs4str = base64.encode(list);
    Uint8List decodedbytes = base64.decode(bs4str);
//OR
   // String bs4str1 = base64Encode(imgbytes);
    String s = new String.fromCharCodes(list);
    var outputAsUint8List = new Uint8List.fromList(s.codeUnits);
    return bufferdata;
  }




  //assign saved values to variables
  static Future<void> saveProfilePic(dynamic input) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();

// your custom int list
    List<dynamic> mList = input['simplydata']['picture']['data'];

    print(mList.length);
    //input['simplydata']['picture']['data'];[0,1,2,3]

// convert your custom list to string list
    List<String> stringsList = mList.map((i) => i.toString()).toList();

// store your string list in shared prefs
    prefs.setStringList("stringList", stringsList);

    // String bar = utf8.decode(bytes);

    //String convertedValue = utf8.decode(mList);
  }

  static Widget noDataUI(String _tabName) {
    _tabName = _tabName ?? '';
    return Container(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          Image(
            image: AssetImage('images/no_data.png'),
            width: 200,
          ),
          SizedBox(
            height: 8,
          ),
          Text(
            'There is no data to show you right now.',
            style: TextStyle(
              fontSize: 12,
              color: Colors.grey[600],
              fontFamily: 'Swis2',
            ),
          ),
          SizedBox(
            height: 5,
          ),
          Text(
            _tabName,
            style: TextStyle(fontSize: 15, fontFamily: 'Swis1'),
          ),
        ],
      ),
    );
  }

  static appBar(String title) {
    title = title ?? '';
    return AppBar(
      backgroundColor: primaryColor,
      title: Text(title),
    );
  }

  static void longFailedToast(String message) {
    Fluttertoast.showToast(
        msg: message,
        toastLength: Toast.LENGTH_LONG,
        gravity: ToastGravity.BOTTOM,
        timeInSecForIosWeb: 1,
        backgroundColor: Colors.red,
        textColor: Colors.white,
        fontSize: 16.0);
  }

  static void longFailedStyledToast(String message, context) {
    showToast(
      message,
      context: context,
      animation: StyledToastAnimation.scale,
      reverseAnimation: StyledToastAnimation.fade,
      position: StyledToastPosition.bottom,
      animDuration: Duration(seconds: 1),
      duration: Duration(seconds: 6),
      curve: Curves.elasticOut,
      reverseCurve: Curves.linear,
      backgroundColor: Colors.red,
    );
  }

  static void longSuccessToast(String message) {
    Fluttertoast.showToast(
        msg: message,
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.BOTTOM,
        timeInSecForIosWeb: 1,
        backgroundColor: Colors.green,
        textColor: Colors.white,
        fontSize: 16.0);
  }

  /*location*/
  static checkGps() async {
    servicestatus = await Geolocator.isLocationServiceEnabled();
    if (servicestatus) {
      permission = await Geolocator.checkPermission();

      if (permission == LocationPermission.denied) {
        permission = await Geolocator.requestPermission();
        if (permission == LocationPermission.denied) {
          print('Location permissions are denied');
        } else if (permission == LocationPermission.deniedForever) {
          print("'Location permissions are permanently denied");
        } else {
          haspermission = true;
        }
      } else {
        haspermission = true;
      }

      if (haspermission) {
        /*setState(() {
          //refresh the UI
        });*/

        await getLocation();
      }
    } else {
      print("GPS Service is not enabled, turn on GPS location");
    }
  }

  static getLocation() async {
    position = await Geolocator.getCurrentPosition(
        desiredAccuracy: LocationAccuracy.high);
    /*print(position.longitude); //Output: 80.24599079
    print(position.latitude);*/ //Output: 29.6593457

    long = await position.longitude.toString();
    lat = await position.latitude.toString();

    /*setState(() {
      //refresh UI
    });*/

    LocationSettings locationSettings = LocationSettings(
      accuracy: LocationAccuracy.high, //accuracy of the location data
      distanceFilter: 100, //minimum distance (measured in meters) a
      //device must move horizontally before an update event is generated;
    );

    StreamSubscription<Position> positionStream =
        Geolocator.getPositionStream(locationSettings: locationSettings)
            .listen((Position position) {
      print(position.longitude); //Output: 80.24599079
      print(position.latitude); //Output: 29.6593457

      long = position.longitude.toString();
      lat = position.latitude.toString();

      /*setState(() {
        //refresh UI on update
      });*/
    });
  }
}