import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:food_health/api/endpoints/user_api.dart';
import 'package:food_health/data/models/other_login_type.dart';
import 'package:food_health/l10n/l10n.dart';
import 'package:food_health/pages/system/login/widgets/login_input.dart';
import 'package:food_health/router/config/route_paths.dart';
import 'package:food_health/stores/app_store.dart';
import 'package:food_health/widgets/ui_kit/button/app_button.dart';
import 'package:go_router/go_router.dart';
import 'package:google_sign_in/google_sign_in.dart';
import 'package:provider/provider.dart';
import 'package:remixicon/remixicon.dart';
import 'package:sign_in_with_apple/sign_in_with_apple.dart';

import '../../../utils/common.dart';
import 'widgets/login_agree.dart';
import 'widgets/login_other.dart';
import 'package:logger/logger.dart';

class LoginPage extends StatefulWidget {
  const LoginPage({super.key});

  @override
  State<LoginPage> createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  Logger logger = Logger();

  var _subLoading = false;

  ///邮箱输入框
  final TextEditingController _emailController = TextEditingController();
  final TextEditingController _passwordController = TextEditingController();

  //显示密码
  bool _hidePassword = true;

  ///谷歌登陆
  final GoogleSignIn _googleSignIn = GoogleSignIn.instance;

  @override
  void initState() {
    super.initState();
    _emailController.addListener(() {
      setState(() {});
    });
    _passwordController.addListener(() {
      setState(() {});
    });
    _ensureNetworkPermission();
    _initGoogleSign();
  }

  /// 预触发 iOS 网络权限弹窗
  Future<bool> _ensureNetworkPermission() async {
    try {
      await Dio().get(
        'https://captive.apple.com/hotspot-detect.html',
        options: Options(
          sendTimeout: const Duration(seconds: 3),
          receiveTimeout: const Duration(seconds: 3),
          headers: {'Cache-Control': 'no-cache'},
        ),
      );
      return true;
    } catch (_) {
      return false;
    }
  }

  void _initGoogleSign() {
    if (isAndroid()) {
      _googleSignIn.initialize(
        clientId: null,
        serverClientId:
            "512878764950-0bsl98c4q4p695mlmfn35qhmr2ld5n0o.apps.googleusercontent.com",
      );
    } else {
      _googleSignIn.initialize(
        clientId: "512878764950-1ke7slf0c6dlmchnuk0fqh3fe954gcf2.apps.googleusercontent.com",
        serverClientId:
            "512878764950-0bsl98c4q4p695mlmfn35qhmr2ld5n0o.apps.googleusercontent.com",
      );
    }

    _googleSignIn.authenticationEvents
        .listen((_) {
          logger.d("登陆成功");
        })
        .onError((error) {
          logger.e("登陆错误: $error");
        });
  }

  ///谷歌登录
  void _handGoogleSignIn() async {
    try {
      // 如果用户未登录，则启动标准的 Google 登录
      if (_googleSignIn.supportsAuthenticate()) {
        // 使用 authenticate() 进行认证
        GoogleSignInAccount? user = await _googleSignIn.authenticate();
        var auth = user.authentication;

        //登陆
        EasyLoading.show();
        var res = await thirdLoginApi(auth.idToken!, OtherLoginType.google);
        EasyLoading.dismiss();
        _onLogin(res);
      }
    } catch (e) {
      EasyLoading.showError(L10n.of.login_error_text);
      logger.e("登录错误: $e");
    }
  }

  ///apple登录
  void _handAppleSignIn() async {
    try {
      final credential = await SignInWithApple.getAppleIDCredential(
        scopes: [
          AppleIDAuthorizationScopes.email,
          AppleIDAuthorizationScopes.fullName,
        ],
      );
      EasyLoading.show();
      var res = await thirdLoginApi(credential.identityToken!, OtherLoginType.apple);
      EasyLoading.dismiss();
      _onLogin(res);
      logger.d('Apple Credential: ${credential.identityToken}');
      logger.d('Apple Email: ${credential.email}');
    } catch (e) {
      logger.e("登录错误: $e");
    }
  }

  void _handSubmit() async {
    if (_emailController.text.isEmpty) {
      //请输入邮箱
      EasyLoading.showToast(L10n.of.login_email_hint);
      return;
    } else if (_passwordController.text.isEmpty) {
      EasyLoading.showToast(L10n.of.login_password_hint);
      return;
    }

    try {
      setState(() {
        _subLoading = true;
      });
      var isRegister = await checkRegisterApi(_emailController.text);
      if (!isRegister && mounted) {
        context.push(
          RoutePaths.loginCode,
          extra: {
            "email": _emailController.text,
            "password": _passwordController.text,
          },
        );
      } else {
        var res = await loginApi(_emailController.text, _passwordController.text);
        _onLogin(res);
      }
      setState(() {
        _subLoading = false;
      });
    } catch (e) {
      setState(() {
        _subLoading = false;
      });
    }
  }

  ///登陆的操作
  void _onLogin(dynamic res) {
    var appStore = context.read<AppStore>();
    appStore.setInfo(res);
    context.go(RoutePaths.layout);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: false,
      body: SafeArea(
        child: Container(
          padding: EdgeInsets.only(
            left: 20,
            right: 20,
            top: 0.08.sh,
            bottom: 40,
          ),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Container(
                margin: EdgeInsets.only(bottom: 40),
                child: Text(
                  L10n.of.login_title,
                  style: Theme.of(context).textTheme.titleLarge,
                ),
              ),
              LoginInput(
                hintText: L10n.of.login_email_hint,
                controller: _emailController,
                suffix: Visibility(
                  visible: _emailController.text.isNotEmpty,
                  child: InkWell(
                    onTap: () {
                      _emailController.clear();
                    },
                    child: Icon(
                      RemixIcons.close_circle_fill,
                      size: 20,
                      color: Theme.of(context).colorScheme.onSurfaceVariant,
                    ),
                  ),
                ),
              ),
              SizedBox(height: 20),
              LoginInput(
                hintText: L10n.of.login_password_hint,
                controller: _passwordController,
                obscureText: _hidePassword,
                suffix: InkWell(
                  onTap: () {
                    setState(() {
                      _hidePassword = !_hidePassword;
                    });
                  },
                  child: Icon(
                    _hidePassword ? RemixIcons.eye_off_fill : RemixIcons.eye_fill,
                    size: 20,
                  ),
                ),
              ),
              Container(
                margin: EdgeInsets.only(top: 40),
                height: 50,
                child: AppButton(
                  disabled: _emailController.text.isEmpty || _passwordController.text.isEmpty,
                  loading: _subLoading,
                  onPressed: _handSubmit,
                  child: Text(L10n.of.login_button),
                ),
              ),
              Container(
                width: double.infinity,
                margin: EdgeInsets.only(top: 20),
                alignment: Alignment.center,
                child: LoginAgree(),
              ),
              Expanded(
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.end,
                  children: [
                    LoginDivider(),
                    Row(
                      spacing: 20,
                      mainAxisAlignment: MainAxisAlignment.center,
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        OtherButton(
                          onTap: () {
                            _handGoogleSignIn();
                          },
                          icon: "assets/image/google.png",
                        ),
                        OtherButton(
                          onTap: () {
                            _handAppleSignIn();
                          },
                          icon: "assets/image/apple.png",
                        ),
                      ],
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}