import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:qpay/screens/onboarding/login/login_controller.dart';

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

  @override
  State<LoginScreen> createState() => _LoginScreenState();
}

class _LoginScreenState extends State<LoginScreen> {
  final _formKey = GlobalKey<FormState>();
  final _usernameController = TextEditingController();
  final _passwordController = TextEditingController();

  late LoginController _loginController;

  @override
  void initState() {
    super.initState();
    _loginController = LoginController(context);
  }

  @override
  void dispose() {
    _loginController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SingleChildScrollView(
        child: Padding(
          padding: const EdgeInsets.all(25),
          child: Form(
            key: _formKey,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                SizedBox(height: 75),
                Text(
                  'Login',
                  style: TextStyle(
                    fontSize: 30,
                    fontWeight: FontWeight.bold,
                    color: Theme.of(context).colorScheme.primary,
                  ),
                ),
                SizedBox(height: 5),
                Text(
                  'Welcome back to Peak',
                  style: TextStyle(fontSize: 18),
                  textAlign: TextAlign.center,
                ),
                SizedBox(height: 40),
                // Username Field
                TextFormField(
                  controller: _usernameController,
                  decoration: InputDecoration(
                    labelText: 'Phone Number',
                    prefixIcon: Icon(Icons.person_outline),
                  ),
                  validator: (value) {
                    if (value == null || value.isEmpty) {
                      return 'Please enter a phone number';
                    }
                    return null;
                  },
                ),
                SizedBox(height: 20),
                // Password Field
                TextFormField(
                  controller: _passwordController,
                  decoration: InputDecoration(
                    labelText: 'Password',
                    prefixIcon: Icon(Icons.lock_outline),
                    suffixIcon: Icon(Icons.visibility_outlined),
                  ),
                  obscureText: true,
                  validator: (value) {
                    if (value == null || value.isEmpty) {
                      return 'Please enter a password';
                    }
                    return null;
                  },
                ),
                SizedBox(height: 20),
                // Forgot Password Link
                Align(
                  alignment: Alignment.centerRight,
                  child: TextButton(
                    onPressed: () {
                      // TODO: Add forgot password logic
                    },
                    child: Text(
                      'Forgot Password?',
                      style: TextStyle(
                        color: Theme.of(context).colorScheme.primary,
                        fontSize: 14,
                      ),
                    ),
                  ),
                ),
                SizedBox(height: 40),
                // Divider with "or" text
                Row(
                  children: [
                    Expanded(child: Divider(color: Colors.grey.shade300)),
                    Padding(
                      padding: EdgeInsets.symmetric(horizontal: 16),
                      child: Text(
                        'or continue with',
                        style: TextStyle(
                          color: Colors.grey.shade600,
                          fontSize: 14,
                        ),
                      ),
                    ),
                    Expanded(child: Divider(color: Colors.grey.shade300)),
                  ],
                ),
                SizedBox(height: 30),
                // Social Login Buttons
                Row(
                  children: [
                    Expanded(
                      child: OutlinedButton.icon(
                        onPressed: () {
                          // TODO: Add Google login logic
                        },
                        icon: Image.asset(
                          'assets/google.png',
                          width: 20,
                          height: 20,
                        ),
                        label: Text('Google', style: TextStyle(fontSize: 16)),
                        style: OutlinedButton.styleFrom(
                          padding: EdgeInsets.symmetric(vertical: 16),
                          side: BorderSide(color: Colors.grey.shade300),
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(12),
                          ),
                        ),
                      ),
                    ),
                    SizedBox(width: 16),
                    Expanded(
                      child: OutlinedButton.icon(
                        onPressed: () {
                          // TODO: Add Apple login logic
                        },
                        icon: Image.asset(
                          'assets/apple.png',
                          width: 20,
                          height: 20,
                        ),
                        label: Text('Apple', style: TextStyle(fontSize: 16)),
                        style: OutlinedButton.styleFrom(
                          padding: EdgeInsets.symmetric(vertical: 16),
                          side: BorderSide(color: Colors.grey.shade300),
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(12),
                          ),
                        ),
                      ),
                    ),
                  ],
                ),
                SizedBox(height: 40),
              ],
            ),
          ),
        ),
      ),
      bottomNavigationBar: SizedBox(
        height: 130,
        child: Column(
          children: [
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 25),
              child: Row(
                children: [
                  Expanded(
                    child: ElevatedButton(
                      onPressed: () async {
                        // TODO: Add login logic
                        if (_formKey.currentState!.validate()) {
                          LoginScreenModel model = await _loginController.login(
                            _usernameController.text,
                            _passwordController.text,
                          );

                          if (model.status == 'SUCCESS') {
                            context.go('/');
                          }
                        }
                      },
                      child: Text('Login', style: TextStyle(fontSize: 16)),
                    ),
                  ),
                  SizedBox(width: 16),
                  Expanded(
                    child: TextButton(
                      onPressed: () {
                        context.go('/onboarding/register');
                      },
                      child: Text(
                        'Create Account',
                        style: TextStyle(fontSize: 16),
                      ),
                    ),
                  ),
                ],
              ),
            ),
            SizedBox(height: 5),
            TextButton(
              onPressed: () {
                context.go('/');
              },
              child: Text('Continue as guest?', style: TextStyle(fontSize: 14)),
            ),
          ],
        ),
      ),
    );
  }
}