"use client";

import { Transmittal } from "@/types/transmittal";
import { DataTable } from "@/components/common/data-table";
import { ColumnDef } from "@tanstack/react-table";
import { Button } from "@/components/ui/button";
import { Eye } from "lucide-react";
import Link from "next/link";
import { format } from "date-fns";
import { Badge } from "@/components/ui/badge";

interface TransmittalListProps {
  data: Transmittal[];
}

export function TransmittalList({ data }: TransmittalListProps) {
  if (!data) return null;

  const columns: ColumnDef<Transmittal>[] = [
    {
      id: "transmittalNo",
      header: "Transmittal No.",
      cell: ({ row }) => {
        const no = row.original.correspondence?.correspondenceNumber || row.original.transmittalNo || '-';
        return <span className="font-medium">{no}</span>;
      },
    },
    {
      id: "subject",
      header: "Subject",
      cell: ({ row }) => {
        const currentRev = row.original.correspondence?.revisions?.find(r => r.isCurrent);
        const subject = currentRev?.title || row.original.subject || '-';
        return (
          <div className="max-w-[300px] truncate" title={subject}>
            {subject}
          </div>
        );
      },
    },
    {
      accessorKey: "purpose",
      header: "Purpose",
      cell: ({ row }) => (
        <Badge variant="outline">{row.getValue("purpose") || "OTHER"}</Badge>
      ),
    },
    {
      accessorKey: "items",
      header: "Items",
      cell: ({ row }) => {
        const items = row.original.items || [];
        return <span>{items.length} items</span>;
      },
    },
    {
      id: "createdAt",
      header: "Date",
      cell: ({ row }) => {
        const dateStr = row.original.correspondence?.createdAt || row.original.createdAt;
        if (!dateStr) return '-';
        return format(new Date(dateStr), "dd MMM yyyy");
      },
    },
    {
      id: "actions",
      cell: ({ row }) => {
        const item = row.original;
        return (
          <Link href={`/transmittals/${item.uuid}`}>
            <Button variant="ghost" size="icon" title="View Details">
              <Eye className="h-4 w-4" />
            </Button>
          </Link>
        );
      },
    },
  ];

  return <DataTable columns={columns} data={data} />;
}