import type { ColumnConfig, ColumnLayoutItem } from "@/components/type/DataGrid.type";
import { footerInt } from "@/components/util/grid/footerSummary";
import { ValueType } from "realgrid";

// 하수도 통계 관리 > 02.하수관로 > tab 5. 맨홀 현황
// SeweragePipeInputManholeStatusItem + commonInfo.ctpvNm (그리드 행에 병합)
// API: yy14=2015년 이전(2014년 데이터) … yy{(현재연도-1)%100} (필드 접두 yy + 연도 끝자리)

const MANHOLE_START_YEAR = 2014;
const MANHOLE_LAST_DATA_YEAR = Math.max(MANHOLE_START_YEAR, new Date().getFullYear() - 1);
const MANHOLE_YY_MIN = MANHOLE_START_YEAR % 100;
const MANHOLE_YY_MAX = MANHOLE_LAST_DATA_YEAR % 100;
const calendarYearFromYy = (yy: number) => 2000 + yy;

/** yy14(2014) 구간은 헤더에 「2015년 이전」 표기 (합계·검토 컬럼과 동일) */
const manholeYearHeaderText = (yy: number): string => {
    const y = calendarYearFromYy(yy);
    return y === MANHOLE_START_YEAR ? "2015년 이전" : `${y}년`;
};

const intCol = (name: string, headerText: string): ColumnConfig => ({
    name,
    fieldName: name,
    header: { text: headerText },
    footer: footerInt,
    // editable: false,
    valueType: ValueType.NUMBER,
    dataFormat: "#,##0",
});

const yearlySumFields = (suffix: "WholMnhlCnt" | "Step1MnhlCnt" | "Step2MnhlCnt" | "Step3MnhlCnt" | "Step4MnhlCnt" | "Step5MnhlCnt") =>
    Array.from({ length: MANHOLE_YY_MAX - MANHOLE_YY_MIN + 1 }, (_, i) => `yy${MANHOLE_YY_MIN + i}${suffix}`);

function totalBlockColumns(): ColumnConfig[] {
    return [
        {
            ...intCol("totalWholMnhlCnt", "계"),
            styleName: "rg-cell-total",
            editable: false,
            computed: { fields: yearlySumFields("WholMnhlCnt"), type: "sum" as const },
        },
        {
            ...intCol("totalStep1MnhlCnt", "주철"),
            styleName: "rg-cell-total",
            editable: false,
            computed: { fields: yearlySumFields("Step1MnhlCnt"), type: "sum" as const },
        },
        {
            ...intCol("totalStep2MnhlCnt", "주철(조화)"),
            styleName: "rg-cell-total",
            editable: false,
            computed: { fields: yearlySumFields("Step2MnhlCnt"), type: "sum" as const },
        },
        {
            ...intCol("totalStep3MnhlCnt", "콘크리트"),
            styleName: "rg-cell-total",
            editable: false,
            computed: { fields: yearlySumFields("Step3MnhlCnt"), type: "sum" as const },
        },
        {
            ...intCol("totalStep4MnhlCnt", "기타"),
            styleName: "rg-cell-total",
            editable: false,
            computed: { fields: yearlySumFields("Step4MnhlCnt"), type: "sum" as const },
        },
        {
            ...intCol("totalStep5MnhlCnt", "추락방지시설설치맨홀(개)"),
            styleName: "rg-cell-total",
            editable: false,
            computed: { fields: yearlySumFields("Step5MnhlCnt"), type: "sum" as const },
        },
    ];
}

function yyBlockColumns(yy: number): ColumnConfig[] {
    const p = `yy${yy}`;
    return [
        {
            ...intCol(`${p}WholMnhlCnt`, "계"),
            styleName: "rg-cell-total",
            editable: false,
            computed: {
                fields: [
                    `${p}Step1MnhlCnt`,
                    `${p}Step2MnhlCnt`,
                    `${p}Step3MnhlCnt`,
                    `${p}Step4MnhlCnt`,
                    `${p}Step5MnhlCnt`,
                ],
                type: "sum" as const,
            },
        },
        intCol(`${p}Step1MnhlCnt`, "주철"),
        intCol(`${p}Step2MnhlCnt`, "주철(조화)"),
        intCol(`${p}Step3MnhlCnt`, "콘크리트"),
        intCol(`${p}Step4MnhlCnt`, "기타"),
        intCol(`${p}Step5MnhlCnt`, "추락방지시설설치맨홀(개)"),
    ];
}

function yyYearLayout(yy: number): ColumnLayoutItem {
    const y = calendarYearFromYy(yy);
    const p = `yy${yy}`;
    return {
        name: `year${y}`,
        hideChildHeaders: false,
        header: { text: manholeYearHeaderText(yy) },
        items: [
            {
                name: `year${y}Material`,
                hideChildHeaders: false,
                header: { text: "맨홀뚜껑 재질(개)" },
                items: [
                    `${p}WholMnhlCnt`,
                    `${p}Step1MnhlCnt`,
                    `${p}Step2MnhlCnt`,
                    `${p}Step3MnhlCnt`,
                    `${p}Step4MnhlCnt`,
                ],
            },
            `${p}Step5MnhlCnt`,
        ],
    };
}

const yearLayoutItems: ColumnLayoutItem[] = [];
for (let yy = MANHOLE_YY_MIN; yy <= MANHOLE_YY_MAX; yy++) {
    yearLayoutItems.push(yyYearLayout(yy));
}

export const ManholeStatusInpColumn = {
    columns: [
        {
            name: "ctpvNm",
            fieldName: "ctpvNm",
            header: { text: "시도" },
            footer: { text: "합계" },
            editable: false,
            styleName: "rg-cell-readonly",
        },
        {
            name: "sggNm",
            fieldName: "sggNm",
            header: { text: "시군구" },
            editable: false,
            styleName: "rg-cell-readonly",
        },
        {
            name: "admdstNm",
            fieldName: "admdstNm",
            header: { text: "행정구역명" },
            editable: false,
            styleName: "rg-cell-readonly",
        },
        {
            name: "emphsMngSeNm",
            fieldName: "emphsMngSeNm",
            header: { text: "집중강우중점관리구역구분" },
            editable: false,
            styleName: "rg-cell-readonly",
            footer: { text: "합계" },
            // editable: false,
        },
        ...totalBlockColumns(),
        ...Array.from({ length: MANHOLE_YY_MAX - MANHOLE_YY_MIN + 1 }, (_, i) =>
            yyBlockColumns(MANHOLE_YY_MIN + i)
        ).flat(),
        { name: "rmrk", fieldName: "rmrk", header: { text: "비고" } },
        {
            name: "admdstCd",
            fieldName: "admdstCd",
            header: { text: "행정구역코드" },
            visible: false,
            editable: false,
            styleName: "rg-cell-readonly",
        },
        {
            name: "emphsMngSeCd",
            fieldName: "emphsMngSeCd",
            header: { text: "집중강우중점관리구역코드" },
            visible: false,
            editable: false,
            styleName: "rg-cell-readonly",
        },
    ] as ColumnConfig[],
    columnLayout: [
        {
            name: "adminArea",
            hideChildHeaders: false,
            header: { text: "행정구역" },
            items: [{ column: "ctpvNm", footerUserSpans: [{ colspan: 2 }] }, "sggNm"],
        },
        "admdstNm",
        "emphsMngSeNm",
        {
            name: "yearlyTotal",
            hideChildHeaders: false,
            header: { text: "연도별총계" },
            items: [
                {
                    name: "yearlyTotalMaterial",
                    hideChildHeaders: false,
                    header: { text: "맨홀뚜껑 재질(개)" },
                    items: [
                        "totalWholMnhlCnt",
                        "totalStep1MnhlCnt",
                        "totalStep2MnhlCnt",
                        "totalStep3MnhlCnt",
                        "totalStep4MnhlCnt",
                    ],
                },
                "totalStep5MnhlCnt",
            ],
        },
        ...yearLayoutItems,
        "rmrk",
        "admdstCd",
        "emphsMngSeCd",
    ] as ColumnLayoutItem[],
    rowStartNum: 3,
    fixedColumns: 2,
    tabKey: "ST00020005",
    tabLabel: "맨홀 현황",
};