"use client";
import { usePermission } from "@/utils/auth/permission";
import getData from "@/utils/fetch";
import { keepPreviousData, useQuery } from "@tanstack/react-query";
import { FC, useEffect, useState } from "react";
import ActionButton from "../action-button";
import DeleteItem from "../common/delete-item";
import DataTable from "../dataTable/data-table-fb";
import Spinner from "../spinner";
import SubjectForm from "./subject-form";

const SubjectList: FC = () => {
    let base_url = `/api/v1/subjects`;

    const getSubjects = async () => {
        const {
            data,
        } = await getData(base_url);
        return data;
    };

    const {
        data: subjects,
        isLoading,
        isFetching,
    } = useQuery({
        queryKey: ["subjects"],
        queryFn: () => getSubjects(),
        refetchOnWindowFocus: false,
    });

    const columns = [
        {
            header: "SL",
            cell: ({ row }: any) => (
                <div className="font-bold">{row.index + 1}</div>
            ),
        },
        {
            header: "Name",
            accessorKey: "name",
        },
        {
            header: "Actions",
            id: "actions",
            cell: ({ row }: any) => {
                const subject = row.original;
                const subject_id: string = String(subject.id);
                const [isOpen, setOpen] = useState(false);
                return (
                    <div className="flex">
                        {usePermission("subjects.edit") && (
                            <>
                                <div className="mr-2" onClick={() => setOpen(true)}>
                                    <ActionButton type="edit" />
                                </div>
                                <div>
                                    {isOpen && (
                                        <SubjectForm isOpen={isOpen} setOpen={setOpen} subject_id={subject_id} mode="edit" />
                                    )}
                                </div>
                            </>
                        )}
                        {usePermission("subjects.delete") && (
                            <div className="mr-2">
                                <DeleteItem
                                    name="subject"
                                    keys={"subjects"}
                                    url={`/api/v1/subjects/${subject_id}`}
                                />
                            </div>
                        )}
                    </div>
                );
            },
        },
    ];

    return (
        <>
            {(isLoading || isFetching) && (
                <div className="relative">
                    <div className="grid fixed left-2/4 top-1/2 z-50">
                        <Spinner size="xl" color="purple" />
                    </div>
                </div>
            )}
            {subjects !== undefined && (
                <div className="subject-list pb-20 shadow-md min-h-96">
                    <div className="border-b overflow-x-auto">
                        <DataTable data={subjects} columns={columns} />
                    </div>
                </div>
            )}
        </>
    );
};

export default SubjectList;