import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:firebase_auth/firebase_auth.dart';
import '../../../routes/app_pages.dart';

class LoginController extends GetxController {
  final emailController = TextEditingController();
  final passwordController = TextEditingController();

  final isPasswordVisible = false.obs;
  final isLoading = false.obs;

  final _auth = FirebaseAuth.instance;

  @override
  void onClose() {
    emailController.dispose();
    passwordController.dispose();
    super.onClose();
  }

  void togglePasswordVisibility() =>
      isPasswordVisible.value = !isPasswordVisible.value;

  Future<void> login() async {
    if (emailController.text.isEmpty || passwordController.text.isEmpty) {
      Get.snackbar(
        'Perhatian',
        'Email dan password harus diisi!',
        snackPosition: SnackPosition.TOP,
        backgroundColor: Colors.red.shade100,
      );
      return;
    }

    try {
      isLoading.value = true;

      await _auth.signInWithEmailAndPassword(
        email: emailController.text.trim(),
        password: passwordController.text.trim(),
      );

      Get.offAllNamed(Routes.NAVBAR);
    } on FirebaseAuthException catch (e) {
      String message = 'Login gagal, coba lagi.';
      if (e.code == 'user-not-found') {
        message = 'Email tidak terdaftar.';
      } else if (e.code == 'wrong-password') {
        message = 'Password salah.';
      } else if (e.code == 'invalid-email') {
        message = 'Format email tidak valid.';
      } else if (e.code == 'user-disabled') {
        message = 'Akun dinonaktifkan.';
      }

      Get.snackbar(
        'Login Gagal',
        message,
        snackPosition: SnackPosition.TOP,
        backgroundColor: Colors.red.shade100,
      );
    } finally {
      isLoading.value = false;
    }
  }

  Future<void> lupaPassword() async {
    if (emailController.text.isEmpty) {
      Get.snackbar(
        'Perhatian',
        'Masukkan email terlebih dahulu!',
        snackPosition: SnackPosition.TOP,
        backgroundColor: Colors.orange.shade100,
      );
      return;
    }

    try {
      await _auth.sendPasswordResetEmail(email: emailController.text.trim());

      Get.snackbar(
        'Berhasil',
        'Link reset password telah dikirim ke ${emailController.text.trim()}',
        snackPosition: SnackPosition.TOP,
        backgroundColor: Colors.green.shade100,
        duration: const Duration(seconds: 4),
      );
    } on FirebaseAuthException catch (e) {
      String message = 'Gagal mengirim email reset.';
      if (e.code == 'user-not-found') {
        message = 'Email tidak terdaftar.';
      } else if (e.code == 'invalid-email') {
        message = 'Format email tidak valid.';
      }

      Get.snackbar(
        'Gagal',
        message,
        snackPosition: SnackPosition.TOP,
        backgroundColor: Colors.red.shade100,
      );
    }
  }

  void goToRegister() {
    Get.toNamed(Routes.REGISTER);
  }
}