import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'core/api.dart';

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

  @override
  State<SettingsPage> createState() => _SettingsPageState();
}

class _SettingsPageState extends State<SettingsPage> {
  final TextEditingController _urlController = TextEditingController();

  @override
  void dispose() {
    _saveData();
    _urlController.dispose();
    super.dispose();
  }

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

  Future<void> _saveData() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString('url', _urlController.text);
  }

  Future<void> _loadData() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    setState(() {
      _urlController.text = prefs.getString('url') ?? '';
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Settings'),
      ),
      body: ListView(
        padding: const EdgeInsets.all(16.0),
        children: <Widget>[
          Text('LaserProxy URL', style: Theme.of(context).textTheme.titleLarge),
          Text(
              'Set the URL of the LaserProxy instance. Leave it blank to use the default.',
              style: Theme.of(context).textTheme.bodyMedium
          ),
          const SizedBox(height: 16),
          TextField(
            controller: _urlController,
            decoration: const InputDecoration(
              labelText: 'URL',
              hintText: 'https://laserproxy.halfheart.net/',
              border: OutlineInputBorder(),
              focusedBorder: OutlineInputBorder(
                borderSide: BorderSide(color: Color.fromARGB(255, 19, 81, 179)),
              ),
            ),
            onChanged: (value) {
              if (value.isEmpty) {
                proxyURL = "https://laserproxy.halfheart.net/";
              }
              else {
                proxyURL = value;
              }
            }
          ),
          const Divider(height: 32),
        ],
      ),
    );
  }
}