/* -*- coding: utf-8 -*- */
/**
 * STMATE 계산 사슬 및 제어 옵션 시뮬레이터 엔진 (calc.js)
 * 근거: resources/knowledge/original/경쟁사 프로그램/STmate 분석/ (REA 정적분석 및 골든셋 회귀)
 */
const StmateCalc = (() => {
  const KINDS = ["재료비", "노무비", "경비"];
  const KIND_KEYS = { 재료비: "M", 노무비: "L", 경비: "S" };

  // MROUNDUD(selector=0): 0 방향 절사 (ROUNDDOWN)
  function roundDown(val, digits = 0) {
    const n = Number(val) || 0;
    const f = Math.pow(10, digits);
    const s = n * f;
    return Math.trunc(s + (s >= 0 ? 1e-9 : -1e-9)) / f;
  }

  // MROUNDUP: 0에서 먼 방향 올림 (ROUNDUP)
  function roundUp(val, digits = 0) {
    const n = Number(val) || 0;
    if (n === 0) return 0;
    const f = Math.pow(10, digits);
    const s = n * f;
    return (n > 0 ? Math.ceil(s - 1e-9) : Math.floor(s + 1e-9)) / f;
  }

  // 사사오입 (Excel ROUND / 세전 끝전조정 / 집계표)
  function roundHalfUp(val, digits = 0) {
    const n = Number(val) || 0;
    const f = Math.pow(10, digits);
    const r = Math.floor(Math.abs(n) * f + 0.5 + 1e-9) / f;
    return n < 0 ? -r : r;
  }

  // 은행가 반올림 (Delphi System.Round 최근접 짝수)
  function roundBanker(val, digits = 0) {
    const n = Number(val) || 0;
    const f = Math.pow(10, digits);
    const s = n * f;
    const fl = Math.floor(s);
    if (Math.abs(s - fl - 0.5) < 1e-9) return (fl % 2 === 0 ? fl : fl + 1) / f;
    return Math.round(s) / f;
  }

  function applyRoundMode(val, mode, digits = 0) {
    if (mode === "up") return roundUp(val, digits);
    if (mode === "half") return roundHalfUp(val, digits);
    if (mode === "banker") return roundBanker(val, digits);
    return roundDown(val, digits);
  }

  // 1. 노임 시간당 환산식 좌→우 순차 평가 (RXNM_ = "1/8*16/12*25/20", 18번 문서 §2.1)
  function evalWageFormulaLeftToRight(dailyWage, exprStr) {
    const base = Number(dailyWage) || 0;
    const clean = String(exprStr || "").replace(/\s+/g, "");
    if (!clean) return { seqResult: base, preCalcResult: base, steps: [] };
    const tokens = clean.match(/([*/])?(\d+(?:\.\d+)?)/g) || [];
    let acc = base,
      coeff = 1;
    const steps = [];
    for (const tok of tokens) {
      const op = tok[0] === "*" || tok[0] === "/" ? tok[0] : "*";
      const num = parseFloat(op === tok[0] ? tok.slice(1) : tok);
      if (!Number.isFinite(num) || num === 0) continue;
      acc = op === "*" ? acc * num : acc / num;
      coeff = op === "*" ? coeff * num : coeff / num;
      steps.push(`${op}${num} → ${roundHalfUp(acc, 4)}`);
    }
    return { seqResult: roundDown(acc, 0), preCalcResult: Math.trunc(base * coeff), coeff, steps };
  }

  // 2. 기초자원 후보단가 채택 및 노임 환산 처리
  function calcResources(data) {
    const sys = data.sysConfig || {};
    const rxFormula = sys.rxFormula || "1/8*16/12*25/20";
    const condCodes = new Set(
      String(sys.condCodes || "")
        .split(/[,\s]+/)
        .map((s) => s.trim())
        .filter(Boolean),
    );
    const usdRate = Number(sys.useChangedUsd ? sys.usdRate2 : sys.usdRate1) || 1000;
    const ecdDigits = Number(sys.ecdDigits) || 0;
    const map = {};
    const list = (data.resources || []).map((res) => {
      const cands = Array.isArray(res.candidates) ? res.candidates.map(Number) : [0, 0, 0, 0, 0];
      const nonZero = cands.filter((v) => v > 0);
      let basePrice = 0,
        chosenLabel = "미지정";
      if (res.adoptMode === "min") {
        basePrice = nonZero.length ? Math.min(...nonZero) : 0;
        chosenLabel = nonZero.length ? `최저가(후보${cands.indexOf(basePrice) + 1})` : "0원";
      } else if (res.adoptMode && res.adoptMode.startsWith("slot")) {
        const sIdx = parseInt(res.adoptMode.replace("slot", ""), 10) - 1;
        basePrice = cands[sIdx] || 0;
        chosenLabel = `후보${sIdx + 1} 고정`;
      } else {
        basePrice = Number(res.manualPrice) || 0;
        chosenLabel = "수동입력";
      }
      const krwPrice = res.isUsd ? roundDown(basePrice * usdRate, ecdDigits) : basePrice;
      let adoptedPrice = krwPrice,
        wageInfo = null;
      if (res.kind === "노무비" && (res.convertHourly || condCodes.has(res.code))) {
        wageInfo = evalWageFormulaLeftToRight(krwPrice, rxFormula);
        adoptedPrice = wageInfo.seqResult;
      }
      const item = { ...res, cands, basePrice, adoptedPrice, chosenLabel, wageInfo };
      map[res.id] = item;
      map[res.code] = item;
      return item;
    });
    return { list, map };
  }

  // 3. 중기 시간당 사용료(X 코드) 계산 (17번 문서 §3)
  function calcMachines(data, resMap) {
    const map = {};
    const list = (data.machines || []).map((m) => {
      const opHourly = resMap[m.operatorId]?.adoptedPrice || 0;
      const fuelPrice = resMap[m.fuelId]?.adoptedPrice || 0;
      const rawFuel = (Number(m.fuelConsumption) || 0) * fuelPrice;
      const M = roundDown(rawFuel * (1 + (Number(m.miscRatePercent) || 0) / 100), 0);
      const L = roundDown(opHourly * (Number(m.operatorCount) || 1), 0);
      const S = roundDown((Number(m.acquisitionPrice) || 0) * (Number(m.hourlyRateFactor) || 0), 0);
      const item = { ...m, M, L, S, T: M + L + S, opHourly, fuelPrice };
      map[m.id] = item;
      map[m.code] = item;
      return item;
    });
    return { list, map };
  }

  // 4. 단가산출근거(D 코드, Q식) 계산 (18번 문서 §2.2)
  function evalQFormula(dItem) {
    const q = Number(dItem.q) || 0,
      K = Number(dItem.K) || 0,
      f = Number(dItem.f) || 0;
    const E = Number(dItem.E) || 0,
      Cm = Number(dItem.Cm) || 1;
    const mult = dItem.formulaType === "60_qKfE_Cm" ? 60 : 3600;
    const rawQ = Cm !== 0 ? (mult * q * K * f * E) / Cm : 0;
    return { rawQ, Q: roundHalfUp(rawQ, 2) };
  }

  function calcSanCal(data, machineMap) {
    const map = {};
    const list = (data.sanItems || []).map((d) => {
      const mach = machineMap[d.machineId];
      const { rawQ, Q } = evalQFormula(d);
      const M = mach && Q > 0 ? roundDown(mach.M / Q, 1) : 0;
      const L = mach && Q > 0 ? roundDown(mach.L / Q, 1) : 0;
      const S = mach && Q > 0 ? roundDown(mach.S / Q, 1) : 0;
      const intM = roundDown(M, 0),
        intL = roundDown(L, 0),
        intS = roundDown(S, 0);
      const item = {
        ...d,
        mach,
        rawQ,
        Q,
        M,
        L,
        S,
        T: roundHalfUp(M + L + S, 1),
        intM,
        intL,
        intS,
        intT: intM + intL + intS,
      };
      map[d.id] = item;
      map[d.code] = item;
      return item;
    });
    return { list, map };
  }

  // 5. 일위대가(B 코드) 조립 (17번 문서 §2, 30번 문서 DEVD1·X_HAL)
  function calcIlwi(data, resMap, machMap, sanMap) {
    const map = {};
    const list = (data.ilwiItems || []).map((ilwi) => {
      let sumM = 0,
        sumL = 0,
        sumS = 0;
      const lines = (ilwi.lines || []).map((ln) => {
        const ref = resMap[ln.refId] || machMap[ln.refId] || sanMap[ln.refId];
        const rawQty = Number(ln.qty) || 0;
        const baseQty = ln.devd && rawQty !== 0 ? roundHalfUp(1 / rawQty, 7) : rawQty;
        const appliedQty = roundHalfUp(baseQty * (1 + (Number(ln.halPercent) || 0) / 100), 7);
        let uM = 0,
          uL = 0,
          uS = 0;
        if (ref) {
          if ("adoptedPrice" in ref) {
            if (ref.kind === "재료비") uM = ref.adoptedPrice;
            else if (ref.kind === "노무비") uL = ref.adoptedPrice;
            else uS = ref.adoptedPrice;
          } else {
            uM = ref.M || 0;
            uL = ref.L || 0;
            uS = ref.S || 0;
          }
        }
        const lineM = roundDown(uM * appliedQty, 2),
          lineL = roundDown(uL * appliedQty, 2),
          lineS = roundDown(uS * appliedQty, 2);
        sumM += lineM;
        sumL += lineL;
        sumS += lineS;
        return {
          ...ln,
          refName: ref?.name || "미연결",
          refCode: ref?.code || "-",
          appliedQty,
          uM,
          uL,
          uS,
          lineM,
          lineL,
          lineS,
          lineT: roundHalfUp(lineM + lineL + lineS, 2),
        };
      });
      const M = roundDown(sumM, 0),
        L = roundDown(sumL, 0),
        S = roundDown(sumS, 0);
      const item = { ...ilwi, lines, M, L, S, T: M + L + S };
      map[ilwi.id] = item;
      map[ilwi.code] = item;
      return item;
    });
    return { list, map };
  }

  // 6. 내역서(BOQ) 및 ST_Func_C::OPTIMIZ 차액보정 계산 (15단계 메모, 16번 문서)
  function calcBoq(data, resMap, machMap, sanMap, ilwiMap, useChangedQty = false) {
    const sys = data.sysConfig || {};
    const chnMode = sys.chnMode || "bimok";
    const optOrder = (sys.optOrder || "SML").toUpperCase();
    const lookupUnit = (refId) => {
      const r = ilwiMap[refId] || sanMap[refId] || machMap[refId] || resMap[refId];
      if (!r) return { M: 0, L: 0, S: 0, T: 0, name: "미연결", code: "-" };
      if ("adoptedPrice" in r) {
        const M = r.kind === "재료비" ? r.adoptedPrice : 0,
          L = r.kind === "노무비" ? r.adoptedPrice : 0,
          S = r.kind === "경비" ? r.adoptedPrice : 0;
        return { M, L, S, T: M + L + S, name: r.name, code: r.code, unit: r.unit };
      }
      if ("intT" in r)
        return {
          M: r.intM,
          L: r.intL,
          S: r.intS,
          T: r.intT,
          name: r.name,
          code: r.code,
          unit: r.unit,
        };
      return { M: r.M, L: r.L, S: r.S, T: r.T, name: r.name, code: r.code, unit: r.unit };
    };

    let directM = 0,
      directL = 0,
      directS = 0,
      govRawTotal = 0,
      govFeeTotal = 0;
    const rows = (data.boqItems || []).map((row) => {
      const u = lookupUnit(row.refId);
      const qty =
        Number(useChangedQty && row.changedQty !== undefined ? row.changedQty : row.qty) || 0;
      const rawM = u.M * qty,
        rawL = u.L * qty,
        rawS = u.S * qty,
        rawT = u.T * qty;
      let M = roundDown(rawM, 0),
        L = roundDown(rawL, 0),
        S = roundDown(rawS, 0),
        T = M + L + S;
      let optimizDiff = 0,
        optimizTarget = "";
      if (chnMode === "total") {
        const targetT = roundDown(rawT, 0);
        optimizDiff = targetT - (M + L + S);
        if (optimizDiff !== 0) {
          const fracMap = { S: rawS - S, M: rawM - M, L: rawL - L };
          let bestKey = "S",
            bestFrac = -1;
          for (const k of optOrder.split("").filter((c) => ["S", "M", "L"].includes(c))) {
            if (fracMap[k] > bestFrac) {
              bestFrac = fracMap[k];
              bestKey = k;
            }
          }
          if (bestKey === "S") S += optimizDiff;
          else if (bestKey === "M") M += optimizDiff;
          else L += optimizDiff;
          T = targetT;
          optimizTarget = `${bestKey}(+${optimizDiff})`;
        }
      }
      const aggM = roundHalfUp(rawM, 0),
        aggL = roundHalfUp(rawL, 0),
        aggS = roundHalfUp(rawS, 0);
      if (row.rowType === "gov_mat") govRawTotal += T;
      else if (row.rowType === "gov_fee") govFeeTotal += T;
      else {
        directM += M;
        directL += L;
        directS += S;
      }
      return {
        ...row,
        unitInfo: u,
        appliedQty: qty,
        M,
        L,
        S,
        T,
        optimizDiff,
        optimizTarget,
        aggM,
        aggL,
        aggS,
        aggT: aggM + aggL + aggS,
      };
    });
    return {
      rows,
      directM,
      directL,
      directS,
      directTotal: directM + directL + directS,
      govRawTotal,
      govFeeTotal,
      govCombinedRaw: govRawTotal + govFeeTotal,
    };
  }

  // 7. 제잡비 및 원가계산서 (ST_KanJub.CPM :: Calc_Kanjub, 06·12·16번 문서)
  function calcKanjub(data, boqRes, origKanjubRes = null) {
    const cfg = data.kanjubConfig || {},
      scheme = cfg.scheme || "T",
      rates = cfg.rates || {},
      revModes = cfg.revModes || {};
    const indTruncDigits = Number(cfg.indirectTruncDigits) || 0;
    const dM = boqRes.directM,
      dL = boqRes.directL,
      dS = boqRes.directS,
      dT = boqRes.directTotal,
      govPureMat = boqRes.govRawTotal;
    const truncInd = (v) => roundDown(v, indTruncDigits);

    function resolveRow(code, label, baseDesc, baseAmt, ratePct, rawCalcAmt) {
      const truncAmt = truncInd(rawCalcAmt);
      if (!origKanjubRes)
        return { code, label, baseDesc, baseAmt, ratePct, amount: truncAmt, modeUsed: "원설계" };
      const origRow = origKanjubRes.itemMap[code];
      const origAmt = origRow ? origRow.amount : 0,
        origBase = origRow ? origRow.baseAmt : 0;
      const mode = revModes[code] || "recalculated";
      let finalAmt = truncAmt;
      if (mode === "carry_original") finalAmt = origAmt;
      else if (mode === "proportional")
        finalAmt =
          origAmt + truncInd(origAmt * (origBase > 0 ? (baseAmt - origBase) / origBase : 0));
      else if (mode === "delta_rate")
        finalAmt = origAmt + truncInd(((baseAmt - origBase) * ratePct) / 100);
      return {
        code,
        label,
        baseDesc,
        baseAmt,
        ratePct,
        amount: finalAmt,
        origAmt,
        deltaAmt: finalAmt - origAmt,
        modeUsed: mode,
      };
    }

    const items = [],
      itemMap = {};
    const pushItem = (row) => {
      items.push(row);
      itemMap[row.code] = row;
      return row.amount;
    };

    const rKanno = Number(rates.KANNO) ?? 14.5;
    const kanno = pushItem(
      resolveRow("KANNO", "간접노무비", "직접노무비", dL, rKanno, (dL * rKanno) / 100),
    );
    const totalLabor = dL + kanno;

    pushItem(
      resolveRow(
        "SANBO",
        "산재보험료",
        "노무비(직노+간노)",
        totalLabor,
        Number(rates.SANBO) ?? 3.56,
        (totalLabor * (Number(rates.SANBO) ?? 3.56)) / 100,
      ),
    );
    pushItem(
      resolveRow(
        "KOBO",
        "고용보험료",
        "노무비(직노+간노)",
        totalLabor,
        Number(rates.KOBO) ?? 1.01,
        (totalLabor * (Number(rates.KOBO) ?? 1.01)) / 100,
      ),
    );
    const kunbo = pushItem(
      resolveRow(
        "KUNBO",
        "건강보험료",
        "직접노무비",
        dL,
        Number(rates.KUNBO) ?? 3.545,
        (dL * (Number(rates.KUNBO) ?? 3.545)) / 100,
      ),
    );
    pushItem(
      resolveRow(
        "SLVBO",
        "노인장기요양보험료",
        "건강보험료(확정액)",
        kunbo,
        Number(rates.SLVBO) ?? 12.95,
        (kunbo * (Number(rates.SLVBO) ?? 12.95)) / 100,
      ),
    );
    pushItem(
      resolveRow(
        "YUNBO",
        "연금보험료",
        "직접노무비",
        dL,
        Number(rates.YUNBO) ?? 4.5,
        (dL * (Number(rates.YUNBO) ?? 4.5)) / 100,
      ),
    );
    pushItem(
      resolveRow(
        "TBUGUM",
        "퇴직공제부금비",
        "직접노무비",
        dL,
        Number(rates.TBUGUM) ?? 0,
        (dL * (Number(rates.TBUGUM) ?? 0)) / 100,
      ),
    );

    const rAnjun = Number(rates.ANJUN) ?? 1.86,
      anjunBaseAdd = Number(cfg.anjunBaseAdd) || 5349000;
    const anjunGovDiv = cfg.anjunGovVatExcluded !== false ? govPureMat / 1.1 : govPureMat;
    const anjunBaseNoGov = scheme === "TA" || scheme === "SA" ? dT : dM + dL;
    const anjunBaseWithGov = anjunBaseNoGov + anjunGovDiv;
    const anjunNormal = truncInd((anjunBaseWithGov * rAnjun) / 100) + anjunBaseAdd;
    const anjunCap12 = truncInd(((anjunBaseNoGov * rAnjun) / 100 + anjunBaseAdd) * 1.2);
    const anjunRaw = cfg.anjunCap12 !== false ? Math.min(anjunNormal, anjunCap12) : anjunNormal;
    pushItem(
      resolveRow(
        "ANJUN",
        "산업안전보건관리비",
        scheme === "TA" || scheme === "SA"
          ? "직접공사비+관급원자재/1.1 (+기초액)"
          : "직재+직노+관급원자재/1.1 (+기초액)",
        roundHalfUp(anjunBaseWithGov, 0),
        rAnjun,
        anjunRaw,
      ),
    );

    if (scheme === "S" || scheme === "SA") {
      const suBase = dM + totalLabor;
      for (const [sc, sl, sr] of [
        ["S_SUDO", "수도광열비", Number(rates.S_SUDO) ?? 0.45],
        ["S_BOKRI", "복리후생비", Number(rates.S_BOKRI) ?? 1.15],
        ["S_SOMO", "소모품·사무용품비", Number(rates.S_SOMO) ?? 0.65],
        ["S_TONGSIN", "여비·교통·통신비", Number(rates.S_TONGSIN) ?? 0.85],
        ["S_SEGUM", "세금·공과금", Number(rates.S_SEGUM) ?? 0.55],
        ["S_PEGI", "폐기물처리비", Number(rates.S_PEGI) ?? 0.35],
        ["S_DOSEO", "도서인쇄비", Number(rates.S_DOSEO) ?? 0.25],
        ["S_JIGUP", "지급수수료", Number(rates.S_JIGUP) ?? 0.45],
      ])
        pushItem(
          resolveRow(
            sc,
            `[수공] ${sl}`,
            "재료비+노무비(직노+간노)",
            suBase,
            sr,
            (suBase * sr) / 100,
          ),
        );
    } else {
      const rKita = Number(rates.KITA) ?? 6.0,
        kitaBase = scheme === "TA" ? dT : dM + totalLabor;
      pushItem(
        resolveRow(
          "KITA",
          "기타경비",
          scheme === "TA" ? "직접공사비(실적일반)" : "재료비+노무비(직노+간노)",
          kitaBase,
          rKita,
          (kitaBase * rKita) / 100,
        ),
      );
    }

    const hwanBase = scheme === "TA" ? dT : dM + dL + dS,
      hwanDesc = scheme === "TA" ? "직접공사비(실적일반)" : "재료비+직접노무비+산출경비";
    pushItem(
      resolveRow(
        "HWAN",
        "환경보전비",
        hwanDesc,
        hwanBase,
        Number(rates.HWAN) ?? 0.8,
        (hwanBase * (Number(rates.HWAN) ?? 0.8)) / 100,
      ),
    );
    pushItem(
      resolveRow(
        "EQIP",
        "건설기계대여대금 지급보증",
        hwanDesc,
        hwanBase,
        Number(rates.EQIP) ?? 0.4,
        (hwanBase * (Number(rates.EQIP) ?? 0.4)) / 100,
      ),
    );

    const indirectExpenseSum = items
      .filter((x) => x.code !== "KANNO")
      .reduce((acc, x) => acc + x.amount, 0);
    const totalExpense = dS + indirectExpenseSum,
      pureConstructionCost = dM + totalLabor + totalExpense;

    const rIlban = Number(rates.ILBAN) ?? 6.0,
      ilbanBase = scheme === "SA" ? dT + kanno : pureConstructionCost;
    const ilbanDesc = scheme === "SA" ? "직접공사비+간접노무비(실적수공)" : "순공사원가(재+노+경)";
    const ilbanAmt = truncInd((ilbanBase * rIlban) / 100);

    const rIyun = Number(rates.IYUN) ?? 15.0;
    const iyunBase =
      scheme === "TA" || scheme === "SA"
        ? pureConstructionCost + ilbanAmt
        : totalLabor + totalExpense + ilbanAmt;
    const iyunDesc =
      scheme === "TA" || scheme === "SA"
        ? "직접비+간접비+일반관리비(실적형식)"
        : "노무비+경비+일반관리비(재료비 제외)";
    const iyunRaw = truncInd((iyunBase * rIyun) / 100);

    const vatMode = cfg.vatMode || "supply_10",
      totJeolDigits = Number(cfg.totJeolDigits) ?? -3;
    const calcVat = (sVal) =>
      vatMode === "zero"
        ? 0
        : vatMode === "mat_10"
          ? roundDown(dM * 0.1, 0)
          : vatMode === "mat_exp_10"
            ? roundDown((dM + dS) * 0.1, 0)
            : roundDown(sVal * 0.1, 0);

    const supplyBeforeAdj = pureConstructionCost + ilbanAmt + iyunRaw,
      vatBeforeAdj = calcVat(supplyBeforeAdj),
      contractBeforeAdj = supplyBeforeAdj + vatBeforeAdj;
    let contractTarget = contractBeforeAdj,
      diffTotal = 0,
      pretaxProfitAdj = 0,
      iyunFinal = iyunRaw,
      supplyFinal = supplyBeforeAdj,
      vatFinal = vatBeforeAdj;

    if (totJeolDigits < 0 && cfg.enableProfitEndAdj !== false) {
      contractTarget = roundDown(contractBeforeAdj, totJeolDigits);
      diffTotal = contractBeforeAdj - contractTarget;
      pretaxProfitAdj = vatMode === "supply_10" ? roundHalfUp(diffTotal / 1.1, 0) : diffTotal;
      iyunFinal = iyunRaw - pretaxProfitAdj;
      supplyFinal = pureConstructionCost + ilbanAmt + iyunFinal;
      vatFinal = calcVat(supplyFinal);
      if (supplyFinal + vatFinal !== contractTarget) vatFinal = contractTarget - supplyFinal;
    }
    const contractFinal = supplyFinal + vatFinal;
    const govFinal =
      boqRes.govCombinedRaw > 0
        ? applyRoundMode(
            boqRes.govCombinedRaw,
            cfg.govRoundMode || "up",
            Number(cfg.govRoundDigits) ?? -3,
          )
        : 0;

    return {
      scheme,
      dM,
      dL,
      dS,
      dT,
      kanno,
      totalLabor,
      indirectExpenseSum,
      totalExpense,
      pureConstructionCost,
      ilbanBase,
      ilbanDesc,
      ilbanAmt,
      iyunBase,
      iyunDesc,
      iyunRaw,
      pretaxProfitAdj,
      iyunFinal,
      supplyBeforeAdj,
      vatBeforeAdj,
      contractBeforeAdj,
      diffTotal,
      supplyFinal,
      vatFinal,
      contractFinal,
      govRawTotal: boqRes.govRawTotal,
      govFeeTotal: boqRes.govFeeTotal,
      govFinal,
      grandTotal: contractFinal + govFinal,
      items,
      itemMap,
    };
  }

  // 8. K_ORD 등록·차수내리기 전이 규칙 시뮬레이션 (STMATE_REA_최종보고서 §4.1)
  function evalKOrdTransition(pclass, regMode, flag, currentK) {
    const K = Number(currentK) || 1;
    const nextK =
      Number(regMode) === 6
        ? Number(pclass) === 6
          ? K + 1
          : 1
        : Number(regMode) === 7 && Number(pclass) === 7 && Number(flag) === 0
          ? K + 1
          : 1;
    return { nextK, downK: K - (K > 5 ? K - 4 : 1) };
  }

  function calculateAll(data) {
    const resources = calcResources(data);
    const machines = calcMachines(data, resources.map);
    const sanCal = calcSanCal(data, machines.map);
    const ilwi = calcIlwi(data, resources.map, machines.map, sanCal.map);
    const boqOrig = calcBoq(data, resources.map, machines.map, sanCal.map, ilwi.map, false);
    const kanjubOrig = calcKanjub(data, boqOrig, null);
    const boqRev = calcBoq(data, resources.map, machines.map, sanCal.map, ilwi.map, true);
    const kanjubRev = calcKanjub(data, boqRev, kanjubOrig);
    return { resources, machines, sanCal, ilwi, boqOrig, kanjubOrig, boqRev, kanjubRev };
  }

  return {
    KINDS,
    KIND_KEYS,
    roundDown,
    roundUp,
    roundHalfUp,
    roundBanker,
    evalWageFormulaLeftToRight,
    evalQFormula,
    evalKOrdTransition,
    calculateAll,
  };
})();

if (typeof module !== "undefined" && module.exports) module.exports = StmateCalc;