import 'package:appwrite/models.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

import '../pages/home/home_view.dart';
import '../services/appwrite_service.dart';

class LoginController extends GetxController {
  final szHeaderLogin = 'Login Page'.obs;
  final szHeaderSignin = 'Signin Page'.obs;
  final loginFormKey = GlobalKey<FormState>();
  final isLoginScreen = true.obs;
  late TextEditingController emailController;
  late TextEditingController passwordController;
  late TextEditingController nameController;
  late AppWriteProvider appWriteProvider;
  Session? _session;
  User? _signedUser;

  @override
  void onInit() {
    super.onInit();
    appWriteProvider = AppWriteProvider();
    emailController = TextEditingController();
    passwordController = TextEditingController();
    nameController = TextEditingController();
  }

  @override
  void onReady() {}

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

  switchScreen() {
    _clearFields();
    isLoginScreen.value = !isLoginScreen.value;
    update();
  }

  void _clearFields() {
    emailController.clear();
    passwordController.clear();
    nameController.clear();
  }

  void logOrSignIn() async {
    _checkInputValueOfFormFields();
    loginFormKey.currentState?.save();
    if (isLoginScreen.value) {
      // Perform login action
      String email = emailController.text;
      String password = passwordController.text;
      // Add your login logic here
      print('Logging in with Email: $email, Password: $password');
      _session = await appWriteProvider.login({
        'email': email,
        'password': password,
      });
      if (_session!.current) {
        Get.snackbar(
          'Login Successful',
          'You have been logged in successfully.',
          snackPosition: SnackPosition.BOTTOM,
        );
        // Navigate to home or another page if needed
        _goToHomePage();
      } else {
        Get.snackbar(
          'Login Failed',
          'Invalid email or password.',
          snackPosition: SnackPosition.BOTTOM,
        );
      }
    } else {
      // Perform signin action
      String name = nameController.text;
      String email = emailController.text;
      String password = passwordController.text;
      // Add your signin logic here
      print('Signing in with Name: $name, Email: $email, Password: $password');
      _signedUser = await appWriteProvider.signup({
        'email': email,
        'password': password,
        'name': name,
      });
      if (_signedUser != null) {
        Get.snackbar(
          'Signin Successful',
          'Your account has been created successfully.',
          snackPosition: SnackPosition.BOTTOM,
        );
      } else {
        Get.snackbar(
          'Signin Failed',
          'An error occurred during account creation.',
          snackPosition: SnackPosition.BOTTOM,
        );
      }
    }
    _clearFields();
  }

  bool _checkInputValueOfFormFields() {
    bool isValid = true;
    if (!isLoginScreen.value) {
      if (nameController.text == '') {
        isValid = false;
      }
    }
    if (emailController.text == '') {
      isValid = false;
    }
    if (passwordController.text.isEmpty) {
      isValid = false;
    }
    if (isValid == false) {
      Get.snackbar(
        'Invalid Input',
        'Please fill in all required(*) fields.',
        snackPosition: SnackPosition.BOTTOM,
      );
    }
    return isValid;
  }

  Future<bool> logout() async {
    bool isLoggedOut = false;
    isLoggedOut = await appWriteProvider.logout();
    if (isLoggedOut) {
      Get.snackbar(
        'Logout Successful',
        'You have been logged out successfully.',
        snackPosition: SnackPosition.BOTTOM,
      );
    } else {
      Get.snackbar(
        'Logout Failed',
        'An error occurred during logout.',
        snackPosition: SnackPosition.BOTTOM,
      );
    }
    return isLoggedOut;
  }
  
  void _goToHomePage() async {
    await Get.offAllNamed(HomePage.namedRoute);
  }
}