'use client';

import { colorHexMap } from '@/components/products/utils/colorUtils';
import { Button } from '@/components/ui/Button';
import { Text } from '@/components/ui/Typography';
import { useTranslation } from '@/lib/hooks/useTranslation';
import { useCart } from 'components/cart/cart-context';
import Price from 'components/price';
import { CartItem } from 'lib/shopify/types';
import { Trash2 } from 'lucide-react';
import Image from 'next/image';
import { QuantityControls } from './QuantityControls';

interface CartProductItemProps {
  item: CartItem;
  onUpdate: (merchandiseId: string, updateType: 'plus' | 'minus' | 'delete', itemId?: string) => void;
  isPending: boolean;
  isInBox?: boolean;
  boxGroupId?: string;
}

export function CartProductItem({ item, onUpdate, isPending, isInBox = false, boxGroupId }: CartProductItemProps) {
  const { t } = useTranslation();
  const { cart } = useCart();
  
  // Check if this item has a color option
  const colorOption = item.merchandise.selectedOptions.find(option => 
    option.name.toLowerCase() === 'color' || 
    option.name.toLowerCase() === 'colour' ||
    option.name.toLowerCase() === 'boja'
  );
  
  // Get the color hex code from the color name if it exists
  const colorHex = colorOption 
    ? colorHexMap[colorOption.value.toLowerCase()] || colorOption.value
    : null;

  // Get the unique ID of this cart item
  const itemId = item.id;
  
  // Handle quantity changes
  const handleIncrease = () => onUpdate(item.merchandise.id, 'plus', itemId);
  const handleDecrease = () => onUpdate(item.merchandise.id, 'minus', itemId);
  
  // Enhanced delete handler
  const handleDelete = () => {
    // Basic delete operation for this item
    onUpdate(item.merchandise.id, 'delete', itemId);
    
    // Special handling for box items
    if (isInBox && boxGroupId && cart) {
      // Find all items in this box group
      const boxItems = cart.lines.filter(line => {
        const attrs = line.attributes || [];
        const itemBoxGroupId = attrs.find(attr => attr.key === '_box_group_id')?.value;
        const itemBoxType = attrs.find(attr => attr.key === '_box_type')?.value;
        return itemBoxGroupId === boxGroupId && itemBoxType === 'item' && line.id !== itemId;
      });
      
      // If this is the last item (only 1 left - the one we're deleting), also delete the box container
      if (boxItems.length === 0) {
        // Find the box container
        const boxContainer = cart.lines.find(line => {
          const attrs = line.attributes || [];
          const containerBoxGroupId = attrs.find(attr => attr.key === '_box_group_id')?.value;
          const containerBoxType = attrs.find(attr => attr.key === '_box_type')?.value;
          return containerBoxGroupId === boxGroupId && containerBoxType === 'container';
        });
        
        // Delete the box container too
        if (boxContainer && boxContainer.id) {
          onUpdate(boxContainer.merchandise.id, 'delete', boxContainer.id);
        }
      }
    }
  };

  return (
    <div className={`flex flex-wrap md:flex-nowrap items-start ${!isInBox ? 'border-b pb-6' : 'pb-4'}`}>
      {/* Product Image */}
      <div className="relative h-20 w-20 flex-shrink-0 overflow-hidden">
        <Image
          src={item.merchandise.product.featuredImage?.url || ''}
          alt={item.merchandise.product.title}
          fill
          className="object-cover"
        />
      </div>
      
      {/* Product Details */}
      <div className="flex-1 pl-4 min-w-0">
        <div className="flex flex-col">
          <Text weight={isInBox ? 'regular' : 'semibold'} className="pr-2 break-words">
            {item.merchandise.product.title}
          </Text>
          
          {/* Show color indicator if color is available */}
          {colorHex && (
            <div className="flex items-center mt-1">
              <div 
                className="w-4 h-4 rounded-full" 
                style={{ backgroundColor: colorHex }}
                aria-label={`${colorOption?.value || 'Unknown'}`}
              />
              <Text size="xs" color="muted" as="span" className="ml-2">
                {colorOption?.value || ''}
              </Text>
            </div>
          )}
          
          <Price
            amount={item.cost.totalAmount.amount}
            currencyCode={item.cost.totalAmount.currencyCode}
            className="text-sm mt-1"
          />
        </div>
      </div>

      {/* Quantity Controls */}
      <div className="flex items-center ml-auto mt-2 md:mt-0">
        <div className="mr-4">
          <QuantityControls
            quantity={item.quantity}
            onIncrease={handleIncrease}
            onDecrease={handleDecrease}
            isDisabled={isPending}
            minQuantity={1}
          />
        </div>
        <Button
          onClick={handleDelete}
          variant="default"
          className="p-0 h-auto border-0 bg-transparent hover:bg-transparent text-gray-500 hover:text-red-500"
          disabled={isPending}
          aria-label={t('cart.remove')}
        >
          <Trash2 size={20} />
        </Button>
      </div>
    </div>
  );
}