import { useState } from "react";
import { Trash2, Eye, EyeOff } from "lucide-react";
import {
  useAdminCollections,
  useAdminCollectionUpdate,
  useAdminCollectionDelete,
  type AdminCollectionRow,
} from "~/requestHandler/use-admin-hooks";
import {
  AdminTable,
  AdminPagination,
  AdminToolbar,
  AdminSearch,
  AdminSelect,
  AdminPageTitle,
  StatusBadge,
  faNum,
  faDate,
  useDebouncedValue,
  type Column,
} from "~/components/admin/DataTable";

const PAGE_SIZE = 25;

const CREATOR: Record<string, string> = {
  seller: "فروشنده",
  admin: "مدیر",
  user: "کاربر",
};

export default function AdminCollections() {
  const [page, setPage] = useState(1);
  const [search, setSearch] = useState("");
  const [creatorType, setCreatorType] = useState("");
  const [isPublic, setIsPublic] = useState("");
  const debouncedSearch = useDebouncedValue(search);

  const { data, isLoading } = useAdminCollections({
    page,
    page_size: PAGE_SIZE,
    search: debouncedSearch,
    creator_type: creatorType,
    is_public: isPublic,
  });

  const update = useAdminCollectionUpdate();
  const del = useAdminCollectionDelete();

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

  const toggle = (r: AdminCollectionRow) =>
    update.mutate({ id: r.id, data: { isPublic: !r.isPublic } });

  const onDelete = (r: AdminCollectionRow) => {
    if (confirm(`حذف مجموعه «${r.title}»؟`)) del.mutate(r.id);
  };

  const columns: Column<AdminCollectionRow>[] = [
    {
      header: "عنوان",
      render: (r) => (
        <div className="flex items-center gap-2 min-w-0">
          {r.coverImageUrl ? (
            <img src={r.coverImageUrl} alt="" className="h-9 w-9 rounded-lg object-cover shrink-0" />
          ) : (
            <div className="h-9 w-9 rounded-lg bg-WHITE3 shrink-0" />
          )}
          <p className="font-semibold truncate">{r.title}</p>
        </div>
      ),
    },
    { header: "سازنده", render: (r) => <span className="text-[12px]">{CREATOR[r.creatorType] || r.creatorType}</span> },
    {
      header: "محصولات",
      render: (r) => <span className="tabular-nums">{faNum(r.productCount)}</span>,
    },
    {
      header: "نمایش",
      render: (r) =>
        r.isPublic ? (
          <StatusBadge label="عمومی" tone="green" />
        ) : (
          <StatusBadge label="خصوصی" tone="gray" />
        ),
    },
    { header: "تاریخ", render: (r) => <span className="text-GRAY whitespace-nowrap">{faDate(r.createdAt)}</span> },
    {
      header: "",
      render: (r) => (
        <div className="flex items-center gap-1 justify-end">
          <button
            onClick={() => toggle(r)}
            className="grid h-8 w-8 place-items-center rounded-lg border border-WHITE3 hover:bg-WHITE2"
            aria-label={r.isPublic ? "خصوصی کردن" : "عمومی کردن"}
            title={r.isPublic ? "خصوصی کردن" : "عمومی کردن"}
          >
            {r.isPublic ? <EyeOff size={14} /> : <Eye size={14} />}
          </button>
          <button
            onClick={() => onDelete(r)}
            className="grid h-8 w-8 place-items-center rounded-lg border border-WHITE3 text-RED hover:bg-RED/5"
            aria-label="حذف"
          >
            <Trash2 size={14} />
          </button>
        </div>
      ),
    },
  ];

  return (
    <div>
      <AdminPageTitle>مجموعه‌ها</AdminPageTitle>
      <AdminToolbar>
        <AdminSearch
          value={search}
          onChange={(v) => reset(() => setSearch(v))}
          placeholder="جستجوی عنوان / تلفن سازنده…"
        />
        <AdminSelect
          value={creatorType}
          onChange={(v) => reset(() => setCreatorType(v))}
          options={[
            { value: "", label: "همه سازنده‌ها" },
            { value: "seller", label: "فروشنده" },
            { value: "admin", label: "مدیر" },
            { value: "user", label: "کاربر" },
          ]}
        />
        <AdminSelect
          value={isPublic}
          onChange={(v) => reset(() => setIsPublic(v))}
          options={[
            { value: "", label: "همه" },
            { value: "true", label: "عمومی" },
            { value: "false", label: "خصوصی" },
          ]}
        />
      </AdminToolbar>
      <AdminTable
        columns={columns}
        rows={data?.results || []}
        isLoading={isLoading}
        getRowKey={(r) => r.id}
        emptyText="مجموعه‌ای ثبت نشده است"
      />
      <AdminPagination page={page} pageSize={PAGE_SIZE} count={data?.count || 0} onPageChange={setPage} />
    </div>
  );
}