together_mobile/lib/screens/signin_signup/components/username_signin.dart

import 'package:flutter/material.dart';

import 'package:cherry_toast/cherry_toast.dart';
import 'package:go_router/go_router.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:together_mobile/models/token_model.dart';

import 'common_widgets.dart';
import 'package:together_mobile/common/constants.dart';
import 'package:together_mobile/request/signup_signin.dart';
import 'package:together_mobile/models/init_get_it.dart';
import 'package:together_mobile/models/user_model.dart';

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

  @override
  State<UsernameSigninBody> createState() => _UsernameSigninBodyState();
}

class _UsernameSigninBodyState extends State<UsernameSigninBody> {
  bool _isProgressShow = false;
  bool _isHttpSend = false;

  final TextEditingController usernameController = TextEditingController();
  final TextEditingController passwordController = TextEditingController();

  final Map<String, bool> _isError = {
    'username': false,
    'password': false,
  };

  void _isInputError(String type, bool error) {
    setState(() {
      _isError[type] = error;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
        Stack(
          alignment: Alignment.center,
          children: [
            const SizedBox(
              width: double.infinity,
              height: 100,
            ),
            if (_isProgressShow)
              const CircularProgressIndicator(
                color: kPrimaryColor,
                strokeWidth: 6.0,
              ),
          ],
        ),
        SizedBox(
          width: 250,
          child: SignTextField(
            labelText: '用户名',
            type: 'username',
            isSignup: false,
            controller: usernameController,
            isError: _isInputError,
          ),
        ),
        const SizedBox(
          width: double.infinity,
          height: kDefaultPadding,
        ),
        SizedBox(
          width: 250,
          child: SignTextField(
            obscureText: true,
            labelText: '密码',
            isSignup: false,
            type: 'password',
            controller: passwordController,
            isError: _isInputError,
          ),
        ),
        const SizedBox(
          height: kDefaultPadding,
          width: double.infinity,
        ),
        elevatedButton(
          onPressed: () {
            _signin(context);
          },
          text: '登录',
        ),
      ],
    );
  }

  void _signin(BuildContext context) async {
    if (_isError['username']! || _isError['password']!) {
      CherryToast.error(
        title: const Text('账号或密码不符合规范'),
        toastDuration: const Duration(seconds: 2),
        animationDuration: const Duration(seconds: 1),
      ).show(context);
      return;
    }

    setState(() {
      if (!_isProgressShow) _isProgressShow = true;
    });

    late Map<String, dynamic> result;

    if (_isProgressShow && !_isHttpSend) {
      _isHttpSend = true;
      result = await signinByUsername(
          usernameController.text, passwordController.text);
    }

    setState(() {
      _isHttpSend = false;
      _isProgressShow = false;
    });

    if (result['code'] == 10200) {
      getIt<UserAccount>().init(result['data']);

      DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
      AndroidDeviceInfo androidDeviceInfo = await deviceInfo.androidInfo;

      Map<String, dynamic> res =
          await createToken(getIt.get<UserAccount>().id, androidDeviceInfo.id);
      getIt.get<Token>().init();
      getIt.get<Token>().updateToken(res['token']);

      // ignore: use_build_context_synchronously
      context.go('/chat');
    } else {
      // ignore: use_build_context_synchronously
      CherryToast.error(title: const Text('用户名或密码错误')).show(context);
    }
  }

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