together_mobile/lib/screens/signin_signup/components/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 SignupBody extends StatefulWidget {
  const SignupBody({super.key});

  @override
  State<SignupBody> createState() => _SignupBodyState();
}

class _SignupBodyState extends State<SignupBody> {
  bool _isProgressShow = false;
  bool _isHttpSend = false;

  final TextEditingController usernameController = TextEditingController();
  final TextEditingController passwordController = TextEditingController();
  final TextEditingController phoneEmailController = TextEditingController();
  final TextEditingController codeController = 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,
      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
      children: [
        Stack(
          alignment: Alignment.center,
          children: [
            const SizedBox(
              width: double.infinity,
            ),
            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,
          ),
        ),
        SizedBox(
          width: 250,
          child: SignTextField(
            color: kSecondaryColor,
            obscureText: true,
            labelText: '密码',
            type: 'password1',
            controller: passwordController,
            isError: _isInputError,
          ),
        ),
        SizedBox(
          width: 250,
          child: SignTextField(
            controller: phoneEmailController,
            color: kSecondaryColor,
            type: 'email',
            labelText: '邮箱',
            isError: _isInputError,
          ),
        ),
        SizedBox(
          width: 250,
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              SizedBox(
                width: 120,
                child: SignTextField(
                  controller: codeController,
                  color: kSecondaryColor,
                  type: 'code',
                  labelText: '验证码',
                  isError: _isInputError,
                ),
              ),
              TextButton(
                onPressed: () {},
                style: TextButton.styleFrom(
                  foregroundColor: kSecondaryColor,
                  // tapTargetSize: MaterialTapTargetSize.shrinkWrap,
                ),
                child: const Text(
                  '获取验证码',
                  style: TextStyle(color: kSecondaryColor, fontSize: 15.0),
                ),
              ),
            ],
          ),
        ),
        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;
    }

    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();
    passwordController.dispose();
    super.dispose();
  }
}