import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:injector/injector.dart';
import 'package:package_info_plus/package_info_plus.dart';
import 'package:prosappco/components/general_drawer_item.dart';
import 'package:prosappco/screens/configuration/policy_text_screen.dart';
import 'package:setting_repository/setting_repository.dart';
import 'dart:io' show Platform;

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

  @override
  State<ConfigurationAboutScreen> createState() =>
      _ConfigurationAboutScreenState();
}

class _ConfigurationAboutScreenState extends State<ConfigurationAboutScreen> {
  final settingRepository = Injector.appInstance.get<SettingRepository>();
  SettingEntity? settings;

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

    _loadSettings();

  }

  void _loadSettings() {
    settingRepository.getSettings().then(
          (value) => setState(() {
            settings = value;
          }),
        );
  }

  Future<void> _openPolicy(String title, String Function(PoliciesEntity) pick) async {
    try {
      final policies = await settingRepository.getPolicies();
      if (!mounted) return;
      Navigator.push(
        context,
        CupertinoPageRoute(
          builder: (_) => PolicyTextScreen(title: title, content: pick(policies)),
        ),
      );
    } catch (_) {
      if (!mounted) return;
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text('No se pudo cargar el contenido')),
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Acerca de la aplicación'),
      ),
      body: ListView(
        children: [
          GeneralDrawerItem(
            label: 'Políticas de privacidad',
            onTap: () => _openPolicy(
              'Políticas de privacidad',
              (p) => p.privacy,
            ),
            trailing: true,
          ),
          GeneralDrawerItem(
            label: 'Términos y condiciones',
            onTap: () => _openPolicy(
              'Términos y condiciones',
              (p) => p.terms,
            ),
            trailing: true,
          ),
          Platform.isIOS
              ? GeneralDrawerItem(
                  label: 'Versión de la aplicación',
                  subtitle: settings?.versionIos,
                )
              : Container(),
          Platform.isAndroid
              ? GeneralDrawerItem(
                  label: 'Versión de la aplicación',
                  subtitle: settings?.versionAndroid,
                )
              : Container(),
        ],
      ),
    );
  }
}