"use client";

import SearchBox, { Criterion } from "../SearchBox";
import { useCallback, useMemo, useState } from "react";
import { useTranslation } from "react-i18next";
import SearchResults, { Column } from "../SearchResults/index";
import EditNote from "@mui/icons-material/EditNote";
import DeleteIcon from "@mui/icons-material/Delete";
import { useRouter } from "next/navigation";
import { deleteDialog, successDialog } from "../Swal/CustomAlerts";
import useUploadContext from "../UploadProvider/useUploadContext";
import { downloadFile } from "@/app/utils/commonUtil";
import { UserResult } from "@/app/api/user";
import { deleteUser } from "@/app/api/user/actions";
import QrCodeIcon from "@mui/icons-material/QrCode";
import UserSearchLoading from "./UserSearchLoading";
import { searchUsersByUsernameOrName } from "@/app/api/user/client";

interface Props {
  users: UserResult[];
}

type SearchQuery = Partial<Omit<UserResult, "id">>;
type SearchParamNames = keyof SearchQuery;

const UserSearch: React.FC<Props> = ({ users }) => {
  const { t } = useTranslation("user");
  const [filteredUser, setFilteredUser] = useState(users);
  const [pagingController, setPagingController] = useState({
    pageNum: 1,
    pageSize: 10,
  });
  const router = useRouter();
  const { setIsUploading } = useUploadContext();
  const [isSearching, setIsSearching] = useState(false);

  const searchCriteria: Criterion<SearchParamNames>[] = useMemo(
    () => [
      {
        label: "用戶/姓名",
        paramName: "username",
        type: "text",
      },
      {
        label: t("staffNo"),
        paramName: "staffNo",
        type: "text",
      },
    ],
    [t],
  );

  const onUserClick = useCallback(
    (users: UserResult) => {
      console.log(users);
      router.push(`/settings/user/edit?id=${users.id}`);
    },
    [router, t],
  );

  const onDeleteClick = useCallback((users: UserResult) => {
    deleteDialog(async () => {
      await deleteUser(users.id);
      setFilteredUser(prev => prev.filter(user => user.id !== users.id));
      router.refresh();
      successDialog(t("Delete Success"), t);
    }, t);
  }, [t, router]);

  const columns = useMemo<Column<UserResult>[]>(
    () => [
      {
        name: "action",
        label: t("Edit"),
        onClick: onUserClick,
        buttonIcon: <EditNote />,
        sx: { width: "10%", minWidth: "80px" },
      },
      { 
        name: "username", 
        label: t("Username"),
        align: "left",
        headerAlign: "left",
        sx: { width: "22.5%", minWidth: "120px" },
      },
      { 
        name: "name", 
        label: t("name"),
        align: "left",
        headerAlign: "left",
        sx: { width: "22.5%", minWidth: "120px" },
      },
      { 
        name: "staffNo", 
        label: t("staffNo"),
        align: "left",
        headerAlign: "left",
        sx: { width: "22.5%", minWidth: "120px" },
      },
      {
        name: "action",
        label: t("Delete"),
        onClick: onDeleteClick,
        buttonIcon: <DeleteIcon />,
        color: "error",
        sx: { width: "10%", minWidth: "80px" },
      },
    ],
    [t, onUserClick, onDeleteClick],
  );

  return (
    <>
      <SearchBox
        criteria={searchCriteria}
        onSearch={async (query) => {
          setIsSearching(true);
          try {
            let results: UserResult[] = [];

            if (query.username && query.username.trim()) {
              results = await searchUsersByUsernameOrName(query.username);
            } else {
              results = users;
            }
            if (query.staffNo && query.staffNo.trim()) {
              results = results.filter((user) =>
                user.staffNo?.toString().includes(query.staffNo?.toString() || "")
              );
            }

            setFilteredUser(results);
            setPagingController({ pageNum: 1, pageSize: pagingController.pageSize });
          } catch (error) {
            console.error("Error searching users:", error);
            setFilteredUser(
              users.filter((user) => {
                const userMatch = !query.username || 
                  user.username?.toLowerCase().includes(query.username?.toLowerCase() || "") ||
                  user.name?.toLowerCase().includes(query.username?.toLowerCase() || "");
                const staffNoMatch = !query.staffNo || 
                  user.staffNo?.toString().includes(query.staffNo?.toString() || "");
                return userMatch && staffNoMatch;
              })
            );
          } finally {
            setIsSearching(false);
          }
        }}
      />
      <SearchResults<UserResult>
        items={filteredUser}
        columns={columns}
        pagingController={pagingController}
        setPagingController={setPagingController}
      />
    </>
  );
};
export default UserSearch;