/// Page: Home Page
///
/// Main dashboard screen of the Worker app.
/// Displays member card, promotions, and quick action sections.
library;

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:worker/core/router/app_router.dart';
import 'package:worker/core/theme/colors.dart';
import 'package:worker/features/home/presentation/providers/member_card_provider.dart';
import 'package:worker/features/home/presentation/providers/promotions_provider.dart';
import 'package:worker/features/home/presentation/widgets/member_card_widget.dart';
import 'package:worker/features/home/presentation/widgets/promotion_slider.dart';
import 'package:worker/features/home/presentation/widgets/quick_action_section.dart';
import 'package:worker/generated/l10n/app_localizations.dart';

/// Home Page
///
/// Main entry point of the app after login.
/// Shows:
/// - Member card (Diamond/Platinum/Gold)
/// - Promotional banners
/// - Quick action sections
/// - Bottom navigation
/// - Floating action button (Chat)
class HomePage extends ConsumerWidget {
  const HomePage({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final l10n = AppLocalizations.of(context);

    // Watch member card state
    final memberCardAsync = ref.watch(memberCardProvider);

    // Watch promotions state
    final promotionsAsync = ref.watch(promotionsProvider);

    return Scaffold(
      backgroundColor: const Color(0xFFF4F6F8), // --background-gray from CSS
      body: CustomScrollView(
        slivers: [
          // Add top padding for status bar
          SliverPadding(
            padding: EdgeInsets.only(top: MediaQuery.of(context).padding.top),
          ),

          // Member Card Section
          SliverToBoxAdapter(
            child: memberCardAsync.when(
              data: (memberCard) => MemberCardWidget(memberCard: memberCard),
              loading: () => Container(
                margin: const EdgeInsets.all(16),
                height: 200,
                decoration: BoxDecoration(
                  color: AppColors.grey100,
                  borderRadius: BorderRadius.circular(16),
                ),
                child: const Center(child: CircularProgressIndicator()),
              ),
              error: (error, stack) => Container(
                margin: const EdgeInsets.all(16),
                padding: const EdgeInsets.all(16),
                decoration: BoxDecoration(
                  color: AppColors.danger.withValues(alpha: 0.1),
                  borderRadius: BorderRadius.circular(16),
                ),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    const Icon(
                      Icons.error_outline,
                      color: AppColors.danger,
                      size: 48,
                    ),
                    const SizedBox(height: 8),
                    Text(
                      l10n.error,
                      style: const TextStyle(
                        color: AppColors.danger,
                        fontWeight: FontWeight.w600,
                      ),
                    ),
                    const SizedBox(height: 4),
                    Text(
                      error.toString(),
                      style: const TextStyle(
                        color: AppColors.grey500,
                        fontSize: 12,
                      ),
                      textAlign: TextAlign.center,
                    ),
                  ],
                ),
              ),
            ),
          ),

          // Promotions Section
          SliverToBoxAdapter(
            child: promotionsAsync.when(
              data: (promotions) => promotions.isNotEmpty
                  ? PromotionSlider(
                      promotions: promotions,
                      onPromotionTap: (promotion) {
                        // Navigate to promotion details
                        context.push('/promotions/${promotion.id}');
                      },
                    )
                  : const SizedBox.shrink(),
              loading: () => const Padding(
                padding: EdgeInsets.all(16),
                child: Center(child: CircularProgressIndicator()),
              ),
              error: (error, stack) => const SizedBox.shrink(),
            ),
          ),

          // Quick Action Sections
          SliverToBoxAdapter(
            child: Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16),
              child: Column(
                children: [
                  // Products & Cart Section
                  QuickActionSection(
                    title: 'Sản phẩm & Giỏ hàng',
                    actions: [
                      QuickAction(
                        icon: Icons.grid_view,
                        label: 'Sản phẩm',
                        onTap: () => context.pushNamed(RouteNames.products),
                      ),
                      QuickAction(
                        icon: Icons.shopping_cart,
                        label: 'Giỏ hàng',
                        badge: '3',
                        onTap: () => context.push('/cart'),
                      ),
                      QuickAction(
                        icon: Icons.favorite,
                        label: 'Yêu thích',
                        onTap: () =>
                            _showComingSoon(context, 'Yêu thích', l10n),
                      ),
                    ],
                  ),

                  // Loyalty Section
                  QuickActionSection(
                    title: 'Khách hàng thân thiết',
                    actions: [
                      QuickAction(
                        icon: Icons.add_circle_outline,
                        label: 'Ghi nhận điểm',
                        onTap: () =>
                            _showComingSoon(context, 'Ghi nhận điểm', l10n),
                      ),
                      QuickAction(
                        icon: Icons.card_giftcard,
                        label: 'Đổi quà',
                        onTap: () => _showComingSoon(context, 'Đổi quà', l10n),
                      ),
                      QuickAction(
                        icon: Icons.history,
                        label: 'Lịch sử điểm',
                        onTap: () =>
                            _showComingSoon(context, 'Lịch sử điểm', l10n),
                      ),
                    ],
                  ),

                  // Orders & Payments Section
                  QuickActionSection(
                    title: 'Đơn hàng & thanh toán',
                    actions: [
                      QuickAction(
                        icon: Icons.description,
                        label: 'Yêu cầu báo giá',
                        onTap: () =>
                            _showComingSoon(context, 'Yêu cầu báo giá', l10n),
                      ),
                      QuickAction(
                        icon: Icons.inventory_2,
                        label: 'Đơn hàng',
                        onTap: () => _showComingSoon(context, 'Đơn hàng', l10n),
                      ),
                      QuickAction(
                        icon: Icons.receipt_long,
                        label: 'Thanh toán',
                        onTap: () =>
                            _showComingSoon(context, 'Thanh toán', l10n),
                      ),
                    ],
                  ),

                  // Sample Houses & News Section
                  QuickActionSection(
                    title: 'Nhà mẫu, dự án & tin tức',
                    actions: [
                      QuickAction(
                        icon: Icons.home_work,
                        label: 'Nhà mẫu',
                        onTap: () => _showComingSoon(context, 'Nhà mẫu', l10n),
                      ),
                      QuickAction(
                        icon: Icons.business,
                        label: 'Đăng ký dự án',
                        onTap: () =>
                            _showComingSoon(context, 'Đăng ký dự án', l10n),
                      ),
                      QuickAction(
                        icon: Icons.article,
                        label: 'Tin tức',
                        onTap: () => _showComingSoon(context, 'Tin tức', l10n),
                      ),
                    ],
                  ),

                  // Bottom Padding (for bottom nav clearance)
                  const SizedBox(height: 100),
                ],
              ),
            ),
          ),
        ],
      ),
    );
  }

  /// Show coming soon message
  void _showComingSoon(
    BuildContext context,
    String feature,
    AppLocalizations l10n,
  ) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text('$feature - ${l10n.comingSoon}'),
        duration: const Duration(seconds: 1),
      ),
    );
  }
}