import type { MetaFunction } from "@remix-run/node";
import { useState } from "react";
import { useAdminOrders } from "~/requestHandler/use-admin-hooks";
import type { AdminOrderRow } from "~/requestHandler/use-admin-hooks";
import {
  AdminTable,
  AdminPagination,
  AdminToolbar,
  AdminSearch,
  AdminSelect,
  AdminPageTitle,
  StatusBadge,
  faToman,
  faDate,
  useDebouncedValue,
  type Column,
} from "~/components/admin/DataTable";

export const meta: MetaFunction = () => [
  { title: "سفارش‌ها | پنل مدیریت" },
  { name: "robots", content: "noindex, nofollow" },
];

const PAGE_SIZE = 25;

const STATUS: Record<string, { label: string; tone: "green" | "red" | "yellow" | "blue" | "gray" }> = {
  pending: { label: "در انتظار", tone: "yellow" },
  confirmed: { label: "تأییدشده", tone: "blue" },
  shipped: { label: "ارسال‌شده", tone: "blue" },
  delivered: { label: "تحویل‌شده", tone: "green" },
  cancelled: { label: "لغوشده", tone: "red" },
};
const PAYMENT: Record<string, { label: string; tone: "green" | "red" | "yellow" }> = {
  paid: { label: "پرداخت‌شده", tone: "green" },
  pending: { label: "در انتظار", tone: "yellow" },
  failed: { label: "ناموفق", tone: "red" },
};

export default function AdminOrders() {
  const [page, setPage] = useState(1);
  const [search, setSearch] = useState("");
  const [status, setStatus] = useState("");
  const [payment, setPayment] = useState("");
  const debouncedSearch = useDebouncedValue(search);

  const { data, isLoading } = useAdminOrders({
    page,
    page_size: PAGE_SIZE,
    search: debouncedSearch,
    status,
    payment_status: payment,
  });

  const reset = (fn: () => void) => {
    fn();
    setPage(1);
  };

  const columns: Column<AdminOrderRow>[] = [
    {
      header: "کد",
      render: (o) => <span className="tabular-nums text-GRAY">{o.id.slice(0, 8)}</span>,
    },
    {
      header: "خریدار",
      render: (o) => (
        <div className="min-w-[120px]">
          <p className="font-semibold">{o.userName || "—"}</p>
          <p className="text-GRAY text-[11px] tabular-nums" dir="ltr">
            {o.userPhone || ""}
          </p>
        </div>
      ),
    },
    {
      header: "فروشگاه",
      render: (o) => <span>{o.sellerName || o.sellerUsername || "—"}</span>,
    },
    {
      header: "مبلغ",
      render: (o) => <span className="tabular-nums whitespace-nowrap">{faToman(o.totalPrice)}</span>,
    },
    {
      header: "پرداخت",
      render: (o) => {
        const p = PAYMENT[o.paymentStatus] || { label: o.paymentStatus, tone: "gray" as const };
        return <StatusBadge label={p.label} tone={p.tone} />;
      },
    },
    {
      header: "وضعیت",
      render: (o) => {
        const s = STATUS[o.status] || { label: o.status, tone: "gray" as const };
        return <StatusBadge label={s.label} tone={s.tone} />;
      },
    },
    {
      header: "تاریخ",
      render: (o) => <span className="text-GRAY whitespace-nowrap">{faDate(o.createdAt)}</span>,
    },
  ];

  return (
    <div>
      <AdminPageTitle>سفارش‌ها</AdminPageTitle>
      <AdminToolbar>
        <AdminSearch
          value={search}
          onChange={(v) => reset(() => setSearch(v))}
          placeholder="جستجوی خریدار یا فروشگاه…"
        />
        <AdminSelect
          value={status}
          onChange={(v) => reset(() => setStatus(v))}
          options={[
            { value: "", label: "همه وضعیت‌ها" },
            { value: "pending", label: "در انتظار" },
            { value: "confirmed", label: "تأییدشده" },
            { value: "shipped", label: "ارسال‌شده" },
            { value: "delivered", label: "تحویل‌شده" },
            { value: "cancelled", label: "لغوشده" },
          ]}
        />
        <AdminSelect
          value={payment}
          onChange={(v) => reset(() => setPayment(v))}
          options={[
            { value: "", label: "همه پرداخت‌ها" },
            { value: "paid", label: "پرداخت‌شده" },
            { value: "pending", label: "در انتظار" },
            { value: "failed", label: "ناموفق" },
          ]}
        />
      </AdminToolbar>

      <AdminTable
        columns={columns}
        rows={data?.results || []}
        isLoading={isLoading}
        getRowKey={(o) => o.id}
      />
      <AdminPagination
        page={page}
        pageSize={PAGE_SIZE}
        count={data?.count || 0}
        onPageChange={setPage}
      />
    </div>
  );
}