"use client";

import { useState, useEffect, useMemo } from 'react';

import { CodeSelectWithAll } from '@/entities/code';
import {
    Button,
    Label,
    Select,
    SelectTrigger,
    SelectContent,
    SelectValue,
    SelectItem,
    DataTable,
} from "@common/components";
import { LoadingWithAnimation } from '@common/components';
import { NoData } from '@/shared/ui/no-data';
import DetailComponent from './generalVerification/DetailComponent';
import RegistDialog from './generalVerification/RegistDialog';

import { getCoreRowModel, useReactTable } from "@tanstack/react-table";
import { getGeneralVerificationColumns } from '@/components/util/column/management/GeneralVerificationColumn';
import type { GeneralverificationList } from '@/entities/statistics/model/general-verification-interface';
import { generalverificationApiService } from '@/entities/statistics/api/general-verification-service';

import { useAlertStore } from '@/shared/lib';


const GeneralVerificationManagement = () => {
    const [searchValues, setSearchValues] = useState<{
        statsCd: string;
        useYn: string;
        vrfcClsfCd: string;
    }>({
        statsCd: '',
        useYn: '',
        vrfcClsfCd: '',
    });
    const [vrfcMasterData, setVrfcMasterData] = useState<GeneralverificationList[]>([]);
    const [rowSelection, setRowSelection] = useState<Record<string, boolean>>({});
    const [isLoading, setIsLoading] = useState<boolean>(false);
    const [selectedVrfcRow, setSelectedVrfcRow] = useState<number | null>(null);
    const [showRegistForm, setShowRegistForm] = useState<boolean>(false);

    const { setMessage: alert } = useAlertStore((state) => state);

    const handleSearch = async () => {
        try {
            setIsLoading(true);

            const params = Object.fromEntries(
                Object.entries({
                    trgtStatsCd: searchValues.statsCd,
                    vrfcClsfCd: searchValues.vrfcClsfCd,
                    useYn: searchValues.useYn,
                }).filter(([, value]) => value !== '' && value !== 'ALL')
            );

            const response = await generalverificationApiService.getGeneralverificationList(params);

            if (response.status === 'success') {
                setVrfcMasterData(response.data);
                setRowSelection({});
                setSelectedVrfcRow(null);
                setShowRegistForm(false);
            } else {
                alert(response.message || '데이터 조회 중 오류가 발생했습니다.');
            }
        } catch {
            alert('데이터 조회 중 오류가 발생했습니다.');
        } finally {
            setIsLoading(false);
        }
    };

    const columns = useMemo(
        () => getGeneralVerificationColumns(handleSearch),
        [searchValues.statsCd, searchValues.vrfcClsfCd, searchValues.useYn],
    );

    const table = useReactTable({
        data: vrfcMasterData,
        columns,
        getCoreRowModel: getCoreRowModel(),
        getRowId: (row) => String(row.vrfcSn),
        state: { rowSelection },
        onRowSelectionChange: setRowSelection,
    });

    const handleVrfcMasterRowClick = async (row: GeneralverificationList) => {
        setRowSelection({ [row.vrfcSn]: true });
        setSelectedVrfcRow(row.vrfcSn);
        setShowRegistForm(false);
    };

    const handleReset = () => {
        setRowSelection({});
        setSelectedVrfcRow(null);
        handleSearch();
        setShowRegistForm(false);
    }

    useEffect(() => {
        handleSearch();
    }, []);

    return (
        <div className="h-full">
            <div className="card card-border">
                <div className="flex items-center gap-8 p-2">
                    <div className="flex items-center gap-2">
                        <Label className="text-label">
                            통계항목
                        </Label>
                        <CodeSelectWithAll
                            upCd="STITEM"
                            value={searchValues.statsCd}
                            onValueChange={(value) => setSearchValues({ ...searchValues, statsCd: value })}
                            placeholder="전체"
                            className="w-[16rem]"
                        />
                    </div>
                    <div className="flex items-center gap-2">
                        <Label className="text-label">
                            검증분류
                        </Label>
                        <Select value={searchValues.vrfcClsfCd} onValueChange={(value) => setSearchValues({ ...searchValues, vrfcClsfCd: value })}>
                            <SelectTrigger className="w-[10rem]">
                                <SelectValue placeholder="전체"></SelectValue>
                            </SelectTrigger>
                            <SelectContent>
                                <SelectItem value="ALL">전체</SelectItem>
                                <SelectItem value="DO_SI">도단위 검증</SelectItem>
                                <SelectItem value="SI_GU">시단위 검증</SelectItem>
                            </SelectContent>
                        </Select>
                    </div>
                    <div className="flex items-center gap-2">
                        <Label className="text-label">
                            사용여부
                        </Label>
                        <Select value={searchValues.useYn} onValueChange={(value) => setSearchValues({ ...searchValues, useYn: value })}>
                            <SelectTrigger className="w-[10rem]">
                                <SelectValue placeholder="전체"></SelectValue>
                            </SelectTrigger>
                            <SelectContent>
                                <SelectItem value="ALL">전체</SelectItem>
                                <SelectItem value="Y">Y</SelectItem>
                                <SelectItem value="N">N</SelectItem>
                            </SelectContent>
                        </Select>
                    </div>
                    <div className="flex items-center gap-2 ml-auto">
                        <Button color="green" className="h-[3.2rem] w-[96px]" type="button" onClick={handleReset}>
                            초기화
                        </Button>
                        <Button className="h-[3.2rem] w-[96px]" type="button" onClick={handleSearch}>
                            조회
                        </Button>
                    </div>
                </div>
            </div>
            <div className="card !my-0 flex flex-col !p-0">
                <div className='flex items-center justify-end gap-[0.6rem] px-[1.2rem]'>
                    <RegistDialog open={showRegistForm} onOpenChange={setShowRegistForm} onSuccess={handleSearch}>
                        <Button className="h-[3.2rem] w-[96px]" type="button">
                            등록
                        </Button>
                    </RegistDialog>
                </div>
                <div className="flex justify-center gap-5 !p-0 h-[65vh]">
                    <div className="card card-border w-1/2 !mx-0 flex flex-col">
                        <div className="card-header">
                            <h3 className="text-2xl font-medium text-label">일반 검증 목록</h3>
                        </div>
                        <div className="card !m-4 h-full overflow-auto !p-0">
                            {isLoading && (
                                <div className="absolute inset-0 z-50 [data-theme='black']:bg-transparent rounded-lg p-10 flex justify-center items-center">
                                    <div className="relative size-[5rem]">
                                        <LoadingWithAnimation color="primary" />
                                    </div>
                                </div>
                            )}
                            {isLoading ? null
                                :
                                vrfcMasterData.length > 0 ?
                                    <DataTable table={table} onRowClick={(value) => handleVrfcMasterRowClick(value)} />
                                    :
                                    <div className="flex h-full items-center justify-center">
                                        <NoData />
                                    </div>
                            }
                        </div>
                    </div>
                    <DetailComponent selectedVrfcRow={selectedVrfcRow} />
                </div>
            </div>
        </div>
    );
};

export default GeneralVerificationManagement;