/// Notification Card Widget
///
/// Displays a single notification item with icon, title, message, and timestamp.
/// Shows unread indicator with blue left border for unread notifications.
library;

import 'package:flutter/material.dart';
import 'package:worker/core/constants/ui_constants.dart';
import 'package:worker/core/theme/colors.dart';
import 'package:worker/features/notifications/domain/entities/notification.dart'
    as entity;

/// Notification Card
///
/// Features:
/// - Icon with color based on notification type
/// - Title and message text
/// - Time ago timestamp
/// - Blue left border for unread notifications
/// - Tap handler
class NotificationCard extends StatelessWidget {
  /// Notification to display
  final entity.Notification notification;

  /// Tap callback
  final VoidCallback? onTap;

  /// Constructor
  const NotificationCard({super.key, required this.notification, this.onTap});

  @override
  Widget build(BuildContext context) {
    return Container(
      margin: const EdgeInsets.only(bottom: 12),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(12),
        border: notification.isUnread
            ? const Border(
                left: BorderSide(color: AppColors.primaryBlue, width: 3),
              )
            : null,
        boxShadow: [
          BoxShadow(
            color: Colors.black.withValues(alpha: 0.05),
            blurRadius: 8,
            offset: const Offset(0, 2),
          ),
        ],
      ),
      child: Material(
        color: Colors.transparent,
        child: InkWell(
          onTap: onTap,
          borderRadius: BorderRadius.circular(12),
          child: Padding(
            padding: const EdgeInsets.all(AppSpacing.md),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                // Title with icon
                Row(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Icon(_getIcon(), size: 18, color: _getIconColor()),
                    const SizedBox(width: 8),
                    Expanded(
                      child: Text(
                        notification.title,
                        style: TextStyle(
                          fontSize: 14,
                          fontWeight: notification.isUnread
                              ? FontWeight.w600
                              : FontWeight.w500,
                          color: const Color(0xFF212121),
                        ),
                      ),
                    ),
                  ],
                ),

                const SizedBox(height: 4),

                // Message
                Padding(
                  padding: const EdgeInsets.only(left: 26),
                  child: Text(
                    notification.message,
                    style: const TextStyle(
                      fontSize: 13,
                      color: Color(0xFF64748B),
                    ),
                  ),
                ),

                const SizedBox(height: 8),

                // Time ago
                Padding(
                  padding: const EdgeInsets.only(left: 26),
                  child: Text(
                    notification.formattedTimeAgo,
                    style: const TextStyle(
                      fontSize: 11,
                      color: Color(0xFF94A3B8),
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }

  /// Get icon based on notification type
  IconData _getIcon() {
    final type = notification.type.toLowerCase();

    if (type.contains('points') || type.contains('loyalty')) {
      return Icons.card_giftcard;
    } else if (type.contains('promotion') || type.contains('sale')) {
      return Icons.local_offer;
    } else if (type.contains('shipping')) {
      return Icons.local_shipping;
    } else if (type.contains('tier') || type.contains('upgrade')) {
      return Icons.workspace_premium;
    } else if (type.contains('event')) {
      return Icons.event;
    } else if (type.contains('confirmed')) {
      return Icons.check_circle;
    } else if (type.contains('birthday')) {
      return Icons.cake;
    } else {
      return Icons.notifications;
    }
  }

  /// Get icon color based on notification type
  Color _getIconColor() {
    final type = notification.type.toLowerCase();

    if (type.contains('points') || type.contains('loyalty')) {
      return AppColors.primaryBlue; // Blue for points/loyalty
    } else if (type.contains('promotion') || type.contains('sale')) {
      return AppColors.warning; // Orange/yellow for promotions
    } else if (type.contains('shipping')) {
      return AppColors.success; // Green for shipping
    } else if (type.contains('tier') || type.contains('upgrade')) {
      return AppColors.warning; // Gold/yellow for tier
    } else if (type.contains('event')) {
      return AppColors.primaryBlue; // Blue for events
    } else if (type.contains('confirmed')) {
      return AppColors.success; // Green for confirmations
    } else if (type.contains('birthday')) {
      return const Color(0xFFFF69B4); // Pink for birthday
    } else {
      return AppColors.grey500; // Gray for system
    }
  }
}