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

import 'package:flutter/material.dart';

import 'package:cherry_toast/cherry_toast.dart';

import '../../common_widgets.dart';
import 'package:together_mobile/common/constants.dart';
import 'package:together_mobile/request/signin_signup.dart';

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

  @override
  State<UsernameSignupBody> createState() => _UsernameSignupBodyState();
}

class _UsernameSignupBodyState extends State<UsernameSignupBody> {
  bool _isProgressShow = false;
  bool _isHttpSend = false;

  final TextEditingController usernameController = TextEditingController();
  final TextEditingController password1Controller = TextEditingController();
  final TextEditingController password2Controller = TextEditingController();

  final Map<String, bool> _isError = {
    'username': false,
    'password1': false,
    'password2': 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: kSecondaryColor,
                strokeWidth: 6.0,
              ),
          ],
        ),
        SizedBox(
          width: 250,
          child: SignTextField(
            color: kSecondaryColor,
            labelText: '用户名',
            type: 'username',
            controller: usernameController,
            isError: _isInputError,
          ),
        ),
        const SizedBox(
          width: double.infinity,
          height: kDefaultPadding,
        ),
        SizedBox(
          width: 250,
          child: SignTextField(
            color: kSecondaryColor,
            obscureText: true,
            labelText: '密码',
            type: 'password1',
            controller: password1Controller,
            isError: _isInputError,
          ),
        ),
        const SizedBox(
          width: double.infinity,
          height: kDefaultPadding,
        ),
        SizedBox(
          width: 250,
          child: SignTextField(
            color: kSecondaryColor,
            obscureText: true,
            labelText: '确认密码',
            type: 'password2',
            controller: password2Controller,
            isError: _isInputError,
          ),
        ),
        const SizedBox(
          height: kDefaultPadding,
          width: double.infinity,
        ),
        elevatedButton(
          onPressed: () {
            confirm(context);
          },
          text: '确定',
          color: kSecondaryColor,
        ),
      ],
    );
  }

  void confirm(BuildContext context) async {
    if (_isError['username']! ||
        _isError['password1']! ||
        _isError['password2']!) {
      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;
    }

    if (password1Controller.text != password2Controller.text) {
      CherryToast.error(
        title: const Text('密码不一致'),
        toastDuration: const Duration(seconds: 2),
        animationDuration: const Duration(seconds: 1),
      ).show(context);
      return;
    }

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

    Map<String, dynamic>? result;

    if (_isProgressShow && !_isHttpSend) {
      _isHttpSend = true;
      result = await signup();
    }
    setState(() {
      if (result!['code'] == 10000) {
        _isHttpSend = false;
        _isProgressShow = false;
      }
    });
  }

  @override
  void dispose() {
    usernameController.dispose();
    password1Controller.dispose();
    password2Controller.dispose();
    super.dispose();
  }
}