derma_flutter/lib/page/system/login/login_page.dart

import 'package:derma_flutter/api/endpoints/user_api.dart';
import 'package:derma_flutter/data/models/other_login_type.dart';
import 'package:derma_flutter/router/config/route_paths.dart';
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: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 '../../../providers/app_store.dart';
import '../../../widgets/common/app_backend.dart';
import '../../../widgets/ui_kit/button/custom_button.dart';
import 'widget/agreement_box.dart';
import 'widget/widget.dart';

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

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

class _LoginPageState extends State<LoginPage> {
  var _subLoading = false;
  ///协议
  bool _agree = false;

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

  ///邮箱输入框
  final TextEditingController _emailController = TextEditingController(text: "18207394@qq.com");
  final TextEditingController _passwordController = TextEditingController(text: "111");

  //显示密码
  var _hidePassword = true;

  @override
  void initState() {
    super.initState();
    _initGoogleSign();
  }

  void _initGoogleSign() {
    _googleSignIn.initialize(
      clientId: null,
      serverClientId: "497244455669-sl271gkb1polqd8kqtnb6co82n95aerq.apps.googleusercontent.com",
    );
    _googleSignIn.authenticationEvents
        .listen((_) {
          print("登陆成功");
        })
        .onError((error) {
          print('登录错误: $error');
        });
  }

  void _handleSignIn() async {
    if (!_agree) {
      EasyLoading.showToast('Please read and agree to the terms first.');
      return;
    }

    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;
 
        // var res = await Dio().get("https://oauth2.googleapis.com/tokeninfo?id_token=${auth.idToken}");
        //登陆
        EasyLoading.show(status: "Logging in...");
        var res = await thirdLoginApi(auth.idToken!, OtherLoginType.google);
        EasyLoading.dismiss();
        _onLogin(res);
      }
    // } catch (e) {
    //   if (e is GoogleSignInException) {
    //     if (e.code == GoogleSignInExceptionCode.canceled) {
    //       // 用户取消登录
    //       print("User canceled login.");
    //     } else {
    //       // 其他错误
    //       print("Google Sign-In error: $e");
    //     }
    //   } else {
    //     print("Unknown error: $e");
    //   }
    // }
    } catch (e) {
      EasyLoading.showError("Login failed");
      print("登录错误: $e");
    }
  }

  void _handSubmit() async {
    if (!_agree) {
      EasyLoading.showToast('Please read and agree to the terms first.');
      return;
    }
    if (_emailController.text.isEmpty) {
      //请输入邮箱
      EasyLoading.showError("Please enter your email");
      return;
    } else if (_passwordController.text.isEmpty) {
      EasyLoading.showError("Please enter your Password");
      return;
    }

    try {
      setState(() {
        _subLoading = true;
      });
      var isRegister = await checkRegisterApi(_emailController.text);
      if (!isRegister) {
        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 GestureDetector(
      onTap: () => FocusScope.of(context).unfocus(),
      child: AppBackend(
        child: Scaffold(
          resizeToAvoidBottomInset: false,
          body: SafeArea(
            child: Stack(
              alignment: Alignment.center,
              children: [
                Container(
                  width: double.infinity,
                  padding: EdgeInsets.only(
                    top: 0.1.sh,
                    left: 20,
                    right: 20,
                  ),
                  child: Column(
                    children: [
                      LogoBox(),
                      PageHeader(),
                      InputBox(
                        hintText: "Email",
                        controller: _emailController,
                      ),
                      SizedBox(height: 15),
                      InputBox(
                        obscureText: _hidePassword,
                        hintText: "Password",
                        controller: _passwordController,
                        suffix: InkWell(
                          onTap: () {
                            setState(() {
                              _hidePassword = !_hidePassword;
                            });
                          },
                          child: Icon(
                            _hidePassword ? RemixIcons.eye_off_fill : RemixIcons.eye_fill,
                            size: 20,
                            color: Theme.of(context).colorScheme.onSurfaceVariant,
                          ),
                        ),
                      ),
                      Container(
                        margin: EdgeInsets.only(top: 20),
                        height: 45,
                        child: CustomButton(
                          loading: _subLoading,
                          round: false,
                          onPressed: _handSubmit,
                          child: Text("Continue"),
                        ),
                      ),
                      LoginDivider(),
                      OtherButton(
                        title: "Continue with Google",
                        icon: "assets/image/google.png",
                        onTap: () {
                          _handleSignIn();
                        },
                      ),
                      SizedBox(height: 15),
                      // OtherButton(
                      //   title: "Continue with Apple",
                      //   icon: "assets/image/apple.png",
                      //   onTap: () {},
                      // ),
                    ],
                  ),
                ),
                Positioned(
                  bottom: 20,
                  child: AgreementBox(
                    checked: _agree,
                    onChanged: (value) {
                      setState(() {
                        _agree = value;
                      });
                    },
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}