import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
import { Edit, Trash, AlertTriangle, CheckCircle, AlertCircle } from "lucide-react";
import { Button } from "@/components/ui/button";
import { Product } from "@/models/products";
import { Badge } from "@/components/ui/badge";

interface ProductTableProps {
  products: Product[];
  loading: boolean;
  onEdit: (product: Product) => void;
  onDelete: (productId: string) => void;
  getCategoryNameById: (categoryId: string) => string;
}

const ProductTable = ({
  products,
  loading,
  onEdit,
  onDelete,
  getCategoryNameById
}: ProductTableProps) => {

  const sortedProducts = [...products].sort((a, b) => {
    const categoryNameA = getCategoryNameById(a.category);
    const categoryNameB = getCategoryNameById(b.category);
    return categoryNameA.localeCompare(categoryNameB);
  });

  const getStockIcon = (product: Product) => {
    if (!product.stockTracking) return null;
    
    if (product.stockStatus === 'out_of_stock') {
      return <AlertTriangle className="h-4 w-4 text-red-500" />;
    } else if (product.stockStatus === 'low_stock') {
      return <AlertCircle className="h-4 w-4 text-amber-500" />;
    } else {
      return <CheckCircle className="h-4 w-4 text-green-500" />;
    }
  };

  return (
    <div className="rounded-lg border dark:border-zinc-700 shadow-sm overflow-hidden">
      <Table className="relative">
        <TableHeader className="bg-gray-50 dark:bg-zinc-800/50">
          <TableRow className="hover:bg-transparent">
            <TableHead className="w-[200px]">Product</TableHead>
            <TableHead className="text-center">Category</TableHead>
            <TableHead className="text-center">Unit</TableHead>
            <TableHead className="text-center">Stock</TableHead>
            <TableHead className="text-right">Actions</TableHead>
          </TableRow>
        </TableHeader>
        <TableBody>
          {loading ? (
            Array.from({ length: 1 }).map((_, index) => (
              <TableRow key={index}>
                <TableCell>Loading...</TableCell>
                <TableCell>Loading...</TableCell>
                <TableCell>Loading...</TableCell>
                <TableCell>Loading...</TableCell>
                <TableCell>Loading...</TableCell>
              </TableRow>
            ))
          ) : sortedProducts.length > 0 ? (
            sortedProducts.map((product) => (
              <TableRow key={product._id} className="transition-colors hover:bg-gray-50 dark:hover:bg-zinc-800/70">
                <TableCell>
                  <div className="font-medium truncate max-w-[180px]">{product.name}</div>
                </TableCell>
                <TableCell className="text-center">{getCategoryNameById(product.category)}</TableCell>
                <TableCell className="text-center">{product.unitType}</TableCell>
                <TableCell className="text-center">
                  {product.stockTracking ? (
                    <div className="flex items-center justify-center gap-1">
                      {getStockIcon(product)}
                      <span className="text-sm">
                        {product.currentStock !== undefined ? product.currentStock : 0} {product.unitType}
                      </span>
                    </div>
                  ) : (
                    <Badge variant="outline" className="text-xs">Not Tracked</Badge>
                  )}
                </TableCell>
                <TableCell className="text-right flex justify-end space-x-1">
                  <Button variant="ghost" size="sm" onClick={() => onEdit(product)}>
                    <Edit className="h-4 w-4" />
                  </Button>
                  <Button
                    variant="ghost"
                    size="sm"
                    onClick={() => onDelete(product._id as string)}
                    className="text-red-500 hover:text-red-600 hover:bg-red-50 dark:hover:bg-red-950/20"
                  >
                    <Trash className="h-4 w-4" />
                  </Button>
                </TableCell>
              </TableRow>
            ))
          ) : (
            <TableRow>
              <TableCell colSpan={5} className="h-24 text-center">
                No products found.
              </TableCell>
            </TableRow>
          )}
        </TableBody>
      </Table>
    </div>
  );
};

export default ProductTable;
