Solian/lib/screens/auth/signup.dart

import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:get/get.dart';
import 'package:solian/exts.dart';
import 'package:solian/services.dart';
import 'package:solian/widgets/sized_container.dart';
import 'package:url_launcher/url_launcher_string.dart';

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

  @override
  State<SignUpScreen> createState() => _SignUpScreenState();
}

class _SignUpScreenState extends State<SignUpScreen> {
  final _emailController = TextEditingController();
  final _usernameController = TextEditingController();
  final _nicknameController = TextEditingController();
  final _passwordController = TextEditingController();

  void _performAction(BuildContext context) async {
    final email = _emailController.value.text;
    final username = _usernameController.value.text;
    final nickname = _nicknameController.value.text;
    final password = _passwordController.value.text;
    if (email.isEmpty ||
        username.isEmpty ||
        nickname.isEmpty ||
        password.isEmpty) return;

    final client = await ServiceFinder.configureClient('auth');

    final resp = await client.post('/users', {
      'name': username,
      'nick': nickname,
      'email': email,
      'password': password,
    });

    if (resp.statusCode == 200) {
      showDialog(
        context: context,
        builder: (context) {
          return AlertDialog(
            title: Text('signupDone'.tr),
            content: Text('signupDoneCaption'.tr),
            actions: [
              TextButton(
                child: Text('okay'.tr),
                onPressed: () => Navigator.pop(context),
              ),
            ],
          );
        },
      ).then((_) {
        Navigator.pop(context);
      });
    } else {
      context.showErrorDialog(resp.bodyString);
    }
  }

  bool _isTermAccepted = false;

  @override
  Widget build(BuildContext context) {
    return CenteredContainer(
      maxWidth: 360,
      child: ListView(
        shrinkWrap: true,
        children: [
          Align(
            alignment: Alignment.centerLeft,
            child: ClipRRect(
              borderRadius: const BorderRadius.all(Radius.circular(8)),
              child: Image.asset('assets/logo.png', width: 64, height: 64),
            ).paddingOnly(bottom: 8, left: 4),
          ),
          Text(
            'signupGreeting'.tr,
            style: const TextStyle(
              fontSize: 28,
              fontWeight: FontWeight.w900,
            ),
          ).paddingOnly(left: 4, bottom: 16),
          TextField(
            autocorrect: false,
            enableSuggestions: false,
            controller: _usernameController,
            autofillHints: const [AutofillHints.username],
            decoration: InputDecoration(
              isDense: true,
              border: const OutlineInputBorder(),
              labelText: 'username'.tr,
            ),
            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
          ),
          const Gap(12),
          TextField(
            autocorrect: false,
            enableSuggestions: false,
            controller: _nicknameController,
            autofillHints: const [AutofillHints.nickname],
            decoration: InputDecoration(
              isDense: true,
              border: const OutlineInputBorder(),
              labelText: 'nickname'.tr,
            ),
            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
          ),
          const Gap(12),
          TextField(
            autocorrect: false,
            enableSuggestions: false,
            controller: _emailController,
            autofillHints: const [AutofillHints.email],
            decoration: InputDecoration(
              isDense: true,
              border: const OutlineInputBorder(),
              labelText: 'email'.tr,
            ),
            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
          ),
          const Gap(12),
          TextField(
            obscureText: true,
            autocorrect: false,
            enableSuggestions: false,
            autofillHints: const [AutofillHints.password],
            controller: _passwordController,
            decoration: InputDecoration(
              isDense: true,
              border: const OutlineInputBorder(),
              labelText: 'password'.tr,
            ),
            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
            onSubmitted: (_) => _performAction(context),
          ),
          const Gap(8),
          CheckboxListTile(
            value: _isTermAccepted,
            title: Text(
              'termAccept'.tr,
              style: const TextStyle(height: 1.2),
            ).paddingOnly(bottom: 4),
            shape: const RoundedRectangleBorder(
              borderRadius: BorderRadius.all(
                Radius.circular(8),
              ),
            ),
            subtitle: RichText(
              text: TextSpan(
                style: Theme.of(context).textTheme.bodySmall!.copyWith(
                      color: Theme.of(context)
                          .colorScheme
                          .onSurface
                          .withOpacity(0.75),
                    ),
                children: [
                  TextSpan(text: 'termAcceptDesc'.tr),
                  WidgetSpan(
                    child: Material(
                      color: Colors.transparent,
                      child: InkWell(
                        child: Row(
                          mainAxisSize: MainAxisSize.min,
                          children: [
                            Text('termAcceptLink'.tr),
                            const Gap(4),
                            const Icon(Icons.launch, size: 14),
                          ],
                        ),
                        onTap: () {
                          launchUrlString('https://solsynth.dev/terms');
                        },
                      ),
                    ),
                  ),
                ],
              ),
            ),
            onChanged: (value) {
              setState(() => _isTermAccepted = value ?? false);
            },
          ),
          const Gap(16),
          Align(
            alignment: Alignment.centerRight,
            child: TextButton(
              onPressed:
                  !_isTermAccepted ? null : () => _performAction(context),
              child: Row(
                mainAxisSize: MainAxisSize.min,
                children: [
                  Text('next'.tr),
                  const Icon(Icons.chevron_right),
                ],
              ),
            ),
          )
        ],
      ).paddingAll(24),
    );
  }
}