mohemm-flutter-app/lib/ui/login/login_screen.dart

import 'dart:io';

import 'package:easy_localization/easy_localization.dart';
import 'package:easy_localization/src/public_ext.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:mohem_flutter_app/api/login_api_client.dart';
import 'package:mohem_flutter_app/app_state/app_state.dart';
import 'package:mohem_flutter_app/classes/colors.dart';
import 'package:mohem_flutter_app/classes/consts.dart';
import 'package:mohem_flutter_app/classes/utils.dart';
import 'package:mohem_flutter_app/config/routes.dart';
import 'package:mohem_flutter_app/extensions/int_extensions.dart';
import 'package:mohem_flutter_app/extensions/string_extensions.dart';
import 'package:mohem_flutter_app/extensions/widget_extensions.dart';
import 'package:mohem_flutter_app/generated/locale_keys.g.dart';
import 'package:mohem_flutter_app/models/check_mobile_app_version_model.dart';
import 'package:mohem_flutter_app/models/get_mobile_login_info_list_model.dart';
import 'package:mohem_flutter_app/models/member_information_list_model.dart';
import 'package:mohem_flutter_app/models/member_login_list_model.dart';
import 'package:mohem_flutter_app/models/privilege_list_model.dart';
import 'package:mohem_flutter_app/widgets/button/default_button.dart';
import 'package:mohem_flutter_app/widgets/input_widget.dart';

class LoginScreen extends StatefulWidget {
  LoginScreen({Key? key}) : super(key: key);

  @override
  _LoginScreenState createState() {
    return _LoginScreenState();
  }
}

class _LoginScreenState extends State<LoginScreen> {
  TextEditingController username = TextEditingController();
  TextEditingController password = TextEditingController();

  CheckMobileAppVersionModel? _checkMobileAppVersion;
  MemberLoginListModel? _memberLoginList;

  final FirebaseMessaging _firebaseMessaging = FirebaseMessaging.instance;

  bool _autoLogin = false;

  @override
  void initState() {
    super.initState();
    checkFirebaseToken();
    //checkPrefs();
  }

  @override
  void dispose() {
    super.dispose();
  }

  Future<void> checkPrefs() async {
    String username = await Utils.getStringFromPrefs(SharedPrefsConsts.username);
    if (username.isNotEmpty) {
      String password = await Utils.getStringFromPrefs(SharedPrefsConsts.password);
      // String firebaseToken = await Utils.getStringFromPrefs(SharedPrefsConsts.firebaseToken);
      // print("firebaseToken:$firebaseToken");
      this.username.text = username;
      this.password.text = password;
      _autoLogin = true;
    }
  }

  String? firebaseToken;
  GetMobileLoginInfoListModel? loginInfo;
  Future<void> checkFirebaseToken() async {
    try {
      Utils.showLoading(context);
      firebaseToken = await _firebaseMessaging.getToken();
      loginInfo = await LoginApiClient().getMobileLoginInfoNEW(firebaseToken ?? "", Platform.isAndroid ? "android" : "ios");
      if (loginInfo == null) {
        Utils.hideLoading(context);
        return;
      } else {
        loginInfo!.deviceToken = firebaseToken;
        await checkPrefs();
        Utils.hideLoading(context);
        performLogin();
      }
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

  // Future<void> getFirebaseToken() async {
  //   String? firebaseToken = await _firebaseMessaging.getToken();
  //   if (firebaseToken != null) {
  //     await Utils.saveStringFromPrefs(SharedPrefsConsts.firebaseToken, firebaseToken);
  //   }
  // }

  void performLogin() async {
    Utils.showLoading(context);
    try {
      _checkMobileAppVersion = await LoginApiClient().checkMobileAppVersion();
      _memberLoginList = await LoginApiClient().memberLogin(username.text, password.text);
      AppState().setMemberLoginListModel = _memberLoginList;
      AppState().setUserName = username.text;
      AppState().password = password.text;
      if (_autoLogin) {
        AppState().setMemberInformationListModel = (await MemberInformationListModel.getFromPrefs()).first;
        AppState().setPrivilegeListModel = await PrivilegeListModel.getFromPrefs();
      }
      Utils.hideLoading(context);
      if (_autoLogin) {
        Navigator.pushNamed(context, AppRoutes.verifyLastLogin, arguments: loginInfo);
      } else {
        Navigator.pushNamed(context, AppRoutes.verifyLogin, arguments: "$firebaseToken");
      }
    } catch (ex) {
      print(ex);
      Utils.hideLoading(context);
      Utils.handleException(ex, context, (msg) {
        Utils.confirmDialog(context, msg);
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    username.text = "15153";
    password.text = "Abcd@1234";
    return Scaffold(
      body: Column(
        children: [
          const SizedBox(height: 23),
          Expanded(
            child: Padding(
              padding: const EdgeInsets.all(21.0),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    children: [
                      Expanded(child: SizedBox()),
                      Row(
                        children: [
                          LocaleKeys.english.tr().toText14(color: AppState().isArabic(context) ? null : MyColors.textMixColor).onPress(() {
                            context.setLocale(const Locale("en", "US"));
                          }),
                          Container(
                            width: 1,
                            color: MyColors.darkWhiteColor,
                            height: 16,
                            margin: const EdgeInsets.only(left: 10, right: 10),
                          ),
                          LocaleKeys.arabic.tr().toText14(color: !AppState().isArabic(context) ? null : MyColors.textMixColor).onPress(() {
                            context.setLocale(const Locale("ar", "SA"));
                          }),
                        ],
                      ),
                    ],
                  ),
                  Expanded(
                    child: Column(
                      mainAxisSize: MainAxisSize.min,
                      crossAxisAlignment: CrossAxisAlignment.start,
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        LocaleKeys.login.tr().toText24(isBold: true),
                        LocaleKeys.pleaseEnterLoginDetails.tr().toText16(),
                        16.height,
                        InputWidget(LocaleKeys.username.tr(), "123456", username),
                        12.height,
                        InputWidget(LocaleKeys.password.tr(), "xxxxxx", password, isObscureText: true),
                        9.height,
                        Align(
                          alignment: Alignment.centerRight,
                          child: LocaleKeys.forgotPassword.tr().toText12(isUnderLine: true, color: MyColors.textMixColor).onPress(() {
                            Navigator.pushNamed(context, AppRoutes.forgotPassword);
                          }),
                        ),
                      ],
                    ),
                  )
                ],
              ),
            ),
          ),
          DefaultButton(LocaleKeys.login.tr(), () async {
            //     context.setLocale(const Locale("en", "US")); // to change Loacle

            SystemChannels.textInput.invokeMethod('TextInput.hide');
            performLogin();
          }).insideContainer
        ],
      ),
    );
  }
}