import 'package:finalproject/services/auth_service.dart';
import 'package:finalproject/theme/colors.dart';
import 'package:finalproject/theme/text_styles.dart';
import 'package:flutter/material.dart';
import 'package:finalproject/widgets/password_reset_dialog.dart';

import 'settings_controller.dart';

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

  @override
  State<SettingsScreen> createState() => _SettingsScreenState();
}

class _SettingsScreenState extends State<SettingsScreen> {
  late final SettingsController _controller;
  String _userName = 'Ibu Sulastri';
  String _userEmail = 'sulastri.aritanto10@gmail.com';

  @override
  void initState() {
    super.initState();
    _controller = SettingsController();
    _loadAccount();
  }

  Future<void> _loadAccount() async {
    final name = await AuthService.getUserName();
    final email = await AuthService.getUserEmail();
    if (!mounted) return;
    setState(() {
      _userName = name;
      _userEmail = email;
    });
  }

  void _showMessage(String message, {bool isError = false}) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text(message),
        backgroundColor:
            isError ? AppColors.statusError : AppColors.primaryBrown,
      ),
    );
  }

  Future<void> _showResetPasswordDialog() async {
    final success = await showPasswordResetDialog(
      context,
      initialAccount: _userEmail,
      lockAccountField: true,
    );
    if (success) {
      _showMessage('Password berhasil diperbarui dengan verifikasi OTP');
    }
  }

  void _showLogoutDialog() {
    showDialog(
      context: context,
      builder:
          (context) => AlertDialog(
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(16),
            ),
            title: Text(
              'Logout',
              style: AppTextStyles.headlineSmall.copyWith(
                color: AppColors.textPrimary,
              ),
            ),
            content: Text(
              'Apakah Anda yakin ingin keluar dari aplikasi?',
              style: AppTextStyles.bodyMedium.copyWith(
                color: AppColors.textSecondary,
              ),
            ),
            actions: [
              TextButton(
                onPressed: () => Navigator.pop(context),
                child: Text(
                  'Batal',
                  style: AppTextStyles.labelLarge.copyWith(
                    color: AppColors.textSecondary,
                  ),
                ),
              ),
              ElevatedButton(
                onPressed: () async {
                  Navigator.pop(context);
                  await AuthService.logout();
                  if (!context.mounted) return;
                  Navigator.of(
                    context,
                  ).pushNamedAndRemoveUntil('/login', (route) => false);
                },
                style: ElevatedButton.styleFrom(
                  backgroundColor: AppColors.statusError,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(8),
                  ),
                ),
                child: Text(
                  'Logout',
                  style: AppTextStyles.labelLarge.copyWith(color: Colors.white),
                ),
              ),
            ],
          ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return AnimatedBuilder(
      animation: _controller,
      builder: (context, _) {
        return Scaffold(
          backgroundColor: AppColors.bgLight,
          appBar: AppBar(
            backgroundColor: AppColors.primaryBrown,
            elevation: 0,
            title: Text(
              'Pengaturan',
              style: AppTextStyles.headlineLarge.copyWith(color: Colors.white),
            ),
          ),
          body: SingleChildScrollView(
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  _buildSectionTitle('Akun'),
                  const SizedBox(height: 16),
                  _buildAccountCard(),
                  const SizedBox(height: 32),
                  _buildSectionTitle('Keamanan'),
                  const SizedBox(height: 16),
                  _buildActionCard(
                    icon: Icons.lock_outlined,
                    title: 'Ubah Password',
                    subtitle: 'Verifikasi OTP melalui email akun',
                    onTap: _showResetPasswordDialog,
                  ),
                  const SizedBox(height: 32),
                  SizedBox(
                    width: double.infinity,
                    child: ElevatedButton.icon(
                      onPressed: _showLogoutDialog,
                      icon: const Icon(Icons.logout),
                      label: const Text('Logout'),
                      style: ElevatedButton.styleFrom(
                        backgroundColor: AppColors.statusError,
                        foregroundColor: Colors.white,
                        padding: const EdgeInsets.symmetric(vertical: 14),
                        shape: RoundedRectangleBorder(
                          borderRadius: BorderRadius.circular(10),
                        ),
                      ),
                    ),
                  ),
                  const SizedBox(height: 32),
                  _buildAppInfo(),
                ],
              ),
            ),
          ),
          bottomNavigationBar: BottomNavigationBar(
            currentIndex: _controller.selectedIndex,
            onTap: (index) {
              _controller.setSelectedIndex(index);
              switch (index) {
                case 0:
                  Navigator.of(context).pushNamed('/dashboard');
                  break;
                case 1:
                  Navigator.of(context).pushNamed('/products');
                  break;
                case 2:
                  Navigator.of(context).pushNamed('/transaction');
                  break;
                case 3:
                  Navigator.of(context).pushNamed('/prediction');
                  break;
                case 4:
                  Navigator.of(context).pushNamed('/reports');
                  break;
                case 5:
                  break;
              }
            },
            type: BottomNavigationBarType.fixed,
            backgroundColor: Colors.white,
            items: const [
              BottomNavigationBarItem(
                icon: Icon(Icons.home_outlined),
                label: 'Dashboard',
              ),
              BottomNavigationBarItem(
                icon: Icon(Icons.shopping_bag_outlined),
                label: 'Produk',
              ),
              BottomNavigationBarItem(
                icon: Icon(Icons.shopping_cart_outlined),
                label: 'Stok Masuk',
              ),
              BottomNavigationBarItem(
                icon: Icon(Icons.trending_up_outlined),
                label: 'Prediksi',
              ),
              BottomNavigationBarItem(
                icon: Icon(Icons.description_outlined),
                label: 'Laporan',
              ),
              BottomNavigationBarItem(
                icon: Icon(Icons.settings_outlined),
                label: 'Pengaturan',
              ),
            ],
          ),
        );
      },
    );
  }

  Widget _buildSectionTitle(String title) {
    return Text(
      title,
      style: AppTextStyles.headlineSmall.copyWith(color: AppColors.textPrimary),
    );
  }

  Widget _buildAccountCard() {
    return Container(
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: AppColors.bgWhite,
        borderRadius: BorderRadius.circular(16),
        boxShadow: [AppColors.shadowLight],
      ),
      child: Row(
        children: [
          Container(
            width: 60,
            height: 60,
            decoration: BoxDecoration(
              color: AppColors.primaryBrown,
              borderRadius: BorderRadius.circular(12),
            ),
            child: const Icon(Icons.person, color: Colors.white, size: 32),
          ),
          const SizedBox(width: 16),
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  _userName,
                  style: AppTextStyles.labelLarge.copyWith(
                    color: AppColors.textPrimary,
                    fontWeight: FontWeight.w700,
                  ),
                ),
                const SizedBox(height: 4),
                Text(
                  _userEmail,
                  style: AppTextStyles.bodySmall.copyWith(
                    color: AppColors.textSecondary,
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildActionCard({
    required IconData icon,
    required String title,
    required String subtitle,
    required VoidCallback onTap,
  }) {
    return InkWell(
      onTap: onTap,
      borderRadius: BorderRadius.circular(12),
      child: Container(
        padding: const EdgeInsets.all(16),
        decoration: BoxDecoration(
          color: AppColors.bgWhite,
          borderRadius: BorderRadius.circular(12),
          boxShadow: [AppColors.shadowLight],
        ),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Expanded(
              child: Row(
                children: [
                  Icon(icon, color: AppColors.primaryBrown, size: 24),
                  const SizedBox(width: 12),
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(
                          title,
                          style: AppTextStyles.labelLarge.copyWith(
                            color: AppColors.textPrimary,
                          ),
                        ),
                        const SizedBox(height: 2),
                        Text(
                          subtitle,
                          style: AppTextStyles.bodySmall.copyWith(
                            color: AppColors.textSecondary,
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            ),
            Icon(Icons.chevron_right, color: AppColors.textSecondary),
          ],
        ),
      ),
    );
  }

  Widget _buildAppInfo() {
    return Container(
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: AppColors.bgLight,
        borderRadius: BorderRadius.circular(12),
        border: Border.all(color: AppColors.grey300),
      ),
      child: Column(
        children: [
          Text(
            'Tobaku Sulastri',
            style: AppTextStyles.labelLarge.copyWith(
              color: AppColors.textPrimary,
              fontWeight: FontWeight.w700,
            ),
          ),
          const SizedBox(height: 8),
          Text(
            'Version 1.0.0',
            style: AppTextStyles.bodySmall.copyWith(
              color: AppColors.textSecondary,
            ),
          ),
          const SizedBox(height: 12),
          Text(
            '(c) 2025 Tobaku Sulastri',
            style: AppTextStyles.bodySmall.copyWith(
              color: AppColors.textTertiary,
            ),
            textAlign: TextAlign.center,
          ),
        ],
      ),
    );
  }

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