"use client";

import Link from "next/link";
import { useQuery } from "@tanstack/react-query";
import { Plus } from "lucide-react";
import { accountingApi } from "@/lib/accounting-api";
import { useTenantId } from "@/hooks/useTenantId";
import { formatMoney } from "@/lib/utils";
import { PageHeader, Button, DataTable, EmptyState, LoadingState, ErrorState, Badge, JalaliDateText } from "@/components/ds";

export default function VouchersPage() {
  const { tenantId } = useTenantId();
  const listQ = useQuery({
    queryKey: ["accounting", tenantId, "vouchers"],
    queryFn: () => accountingApi.vouchers.list(tenantId!),
    enabled: !!tenantId,
  });

  if (!tenantId || listQ.isLoading) return <LoadingState />;
  if (listQ.error) return <ErrorState message={listQ.error.message} onRetry={() => listQ.refetch()} />;

  return (
    <div>
      <PageHeader
        title="اسناد حسابداری"
        description="چرخه عمر سند از طریق Posting Engine — بدون ایجاد مستقیم Journal Entry."
        actions={
          <Link href="/accounting/vouchers/new">
            <Button><Plus className="h-4 w-4" />سند جدید</Button>
          </Link>
        }
      />
      <DataTable
        columns={[
          {
            key: "voucher_number",
            header: "شماره",
            render: (r) => (
              <Link className="font-medium text-primary hover:underline" href={`/accounting/vouchers/${r.id}`}>
                {String(r.voucher_number)}
              </Link>
            ),
          },
          { key: "voucher_date", header: "تاریخ", render: (r) => <JalaliDateText value={String(r.voucher_date ?? "")} /> },
          {
            key: "status",
            header: "وضعیت",
            render: (r) => (
              <Badge tone={r.status === "posted" ? "success" : r.status === "draft" ? "default" : "warning"}>
                {String(r.status)}
              </Badge>
            ),
          },
          { key: "total_debit", header: "بدهکار", render: (r) => formatMoney(String(r.total_debit)) },
          { key: "total_credit", header: "بستانکار", render: (r) => formatMoney(String(r.total_credit)) },
          { key: "description", header: "شرح" },
        ]}
        rows={(listQ.data ?? []) as unknown as Record<string, unknown>[]}
        empty={
          <EmptyState
            title="سندی وجود ندارد"
            action={
              <Link href="/accounting/vouchers/new">
                <Button>ایجاد سند</Button>
              </Link>
            }
          />
        }
      />
    </div>
  );
}