import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:prosappco/src/components/pop_appbar.dart';
import 'package:prosappco/src/presentation/screens/about.dart';

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

  @override
  State<ConfiguracionScreen> createState() => _ConfiguracionScreenState();
}

class _ConfiguracionScreenState extends State<ConfiguracionScreen> {
  late final FirebaseAuth _auth;

  @override
  void initState() {
    super.initState();
    _auth = FirebaseAuth.instance;
  }

  Future<void> deleteAccount() async {
    try {
      final currentUser = _auth.currentUser;

      if (currentUser != null) {
        final uid = currentUser.uid;

        await FirebaseFirestore.instance.collection('users').doc(uid).delete();

        await currentUser.delete();

        await _auth.signOut();

        Get.snackbar(
          'Cuenta Eliminada',
          'Tu cuenta ha sido eliminada con éxito.',
          snackPosition: SnackPosition.BOTTOM,
        );
      }
    } catch (e) {
      Get.snackbar(
        'Error al Eliminar Cuenta',
        'Hubo un error al eliminar tu cuenta. Por favor, inténtalo de nuevo más tarde.',
        snackPosition: SnackPosition.BOTTOM,
      );
    }
  }

  Future<void> _showDeleteAccountConfirmationDialog(
      BuildContext context) async {
    return showDialog(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          title: const Text('Eliminar Cuenta'),
          content: const Text(
              '¿Estás seguro de que deseas eliminar tu cuenta? Esta acción no se puede deshacer.'),
          actions: [
            TextButton(
              onPressed: () {
                Navigator.of(context).pop();
              },
              child: const Text('Cancelar'),
            ),
            TextButton(
              onPressed: () {
                deleteAccount();
                Navigator.of(context).pop();
              },
              child: const Text(
                'Eliminar',
                style:
                    TextStyle(color: Colors.red, fontWeight: FontWeight.w600),
              ),
            ),
          ],
        );
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: PopAppbar(
          onPressed: () {
            Navigator.pop(context);
          },
          label: 'Configuración'),
      body: ListView(
        children: [
          ListTile(
            onTap: () {
              Navigator.push(
                context,
                CupertinoPageRoute(
                  builder: (BuildContext context) {
                    return const AboutScreen();
                  },
                ),
              );
            },
            title: const Text('Acerca de la aplicación'),
            trailing: const Icon(
              Icons.keyboard_arrow_right,
              color: Colors.black,
            ),
          ),
          ListTile(
            onTap: () {
              _showDeleteAccountConfirmationDialog(context);
            },
            title: const Text(
              'Eliminar cuenta',
              style: TextStyle(color: Colors.red),
            ),
          ),
        ],
      ),
    );
  }
}