const EstResources = (() => {
  const { num, components } = EstMath;
  function calculate(input, byWork = false) {
    const project = EstNative.calculate({
      ...structuredClone(input),
      options: { ...input.options, ResourceTracing: true },
    });
    const tables = project.tables,
      heads = EstNative.groups(tables.HeadMainDat),
      costs = EstNative.groups(tables.CostMainDat),
      output = new Map(),
      errors = [...project.calculation.errors];
    let work = {},
      workKey = "";
    function record(kind, code, quantity, amount = null) {
      const source = (tables[EstNative.sourceTables[kind]] || []).find((row) => row.Code === code);
      if (!source) {
        errors.push(`동원 원천 없음: ${kind}/${code}`);
        return;
      }
      const id = `${workKey}${kind}:${code}`;
      const row = output.get(id) || {
        ...work,
        Code: code,
        Name: source.Name,
        Size: source.Size,
        Unite: source.Unite,
        kind,
        quantity: 0,
        amount: 0,
        amountForHours: 0,
      };
      row.quantity += quantity;
      row.amount += amount ?? num(source.TC) * quantity;
      if (kind === 105 && quantity === 0 && amount !== null) row.amountForHours += amount;
      output.set(id, row);
    }
    function bidComponents(row, source) {
      const classified = [1, 2, 3].includes(num(row.SCheck));
      const whole = row.ApplyNacChal && num(source?.TC) ? num(row.TU) / num(source.TC) : 1;
      return Object.fromEntries(
        components.map((key, index) => [
          key,
          classified
            ? whole
            : row.ApplyNacChal && num(source?.[key])
              ? num(row[EstMath.units[index]]) / num(source[key])
              : 1,
        ]),
      );
    }
    function weightedRate(source, rates) {
      return num(source?.TC)
        ? components.reduce((amount, key) => amount + num(source[key]) * rates[key], 0) /
            num(source.TC)
        : 1;
    }
    function money(row, multiplier, rates) {
      const labels = {
        NC: [6, "LZZZZZZZZZZ", "노무비"],
        GC: [5, "MZZZZZZZZZZ", "재료비"],
        JC: [105, "EZZZZZZZZZZ", "경비"],
        SC: [21, "SZZZZZZZZZZ", "표준시장단가"],
      };
      for (const key of components) {
        const amount = num(row[key]) * multiplier * rates[key];
        if (!amount) continue;
        const [kind, Code, Name] = labels[key],
          id = `${workKey}${kind}:${Code}`;
        const item = output.get(id) || {
          ...work,
          Code,
          Name,
          Size: "금액 입력분",
          Unite: key === "JC" ? "제외금액" : "원",
          kind,
          quantity: 0,
          amount: 0,
          amountForHours: 0,
        };
        item.amount += amount;
        if (key !== "JC") item.quantity += amount;
        output.set(id, item);
      }
    }
    function expand(kind, code, multiplier, path, componentRates = null) {
      const rates = componentRates || Object.fromEntries(components.map((key) => [key, 1]));
      const id = `${kind}:${code}`;
      if (path.includes(id)) {
        errors.push(`동원 순환 참조: ${id}`);
        return;
      }
      if (kind === 104) {
        const group = costs.get(code);
        if (!group) {
          errors.push(`산근 없음: ${code}`);
          return;
        }
        for (const row of group.rows) {
          if (!row.ResourceCode || row.ResourceFactor == null) {
            const key = { [-1]: "NC", [-2]: "GC", [-3]: "JC", [-4]: "SC" }[num(row.SCheck)];
            if (key && !String(row.LineData || "").includes("\x1a") && num(row.LinkIndex) !== 61)
              money({ [key]: num(row.TC) }, multiplier, rates);
            continue;
          }
          const source = tables[EstNative.sourceTables[num(row.ResourceKind)]]?.find(
            (item) => item.Code === row.ResourceCode,
          );
          const directKey = row.ResourceComponent;
          const rate = directKey ? rates[directKey] : weightedRate(source, rates);
          if (!rate) continue;
          if ([103, 104].includes(num(row.ResourceKind)))
            expand(
              num(row.ResourceKind),
              row.ResourceCode,
              multiplier * num(row.ResourceFactor),
              [...path, id],
              Object.fromEntries(
                components.map((key) => [
                  key,
                  !row.ResourceComponent || row.ResourceComponent === key ? rates[key] : 0,
                ]),
              ),
            );
          else if (num(row.ResourceKind) === 105)
            record(105, row.ResourceCode, 0, multiplier * num(row.TC) * rate);
          else
            record(
              num(row.ResourceKind),
              row.ResourceCode,
              multiplier * num(row.ResourceFactor) * rate,
              multiplier * num(row.TC) * rate,
            );
        }
        return;
      }
      if (kind === 103) {
        const group = heads.get(code);
        if (!group) {
          errors.push(`일위 없음: ${code}`);
          return;
        }
        let rate = 1;
        for (const row of group.rows.slice(1)) {
          if (num(row.LinkIndex) === 52) {
            rate *= num(row.GN) / 100;
            break;
          }
          if (num(row.LinkIndex) === 68)
            rate *= num(row.GN) / (["%", "％"].includes(row.Unite) ? 100 : 1);
        }
        for (const row of group.rows.slice(1)) {
          if (num(row.CalcIndex) >= 2 || [51, 52, 68].includes(num(row.LinkIndex))) continue;
          const source = tables[EstNative.sourceTables[num(row.LinkIndex)]]?.find(
            (r) => r.Code === row.Code,
          );
          const bid = bidComponents(row, source);
          const classified = { 1: "GC", 2: "NC", 3: "JC" }[num(row.SCheck)];
          const childRates = Object.fromEntries(
            components.map((key) => [
              key,
              bid[key] * (classified ? rates[classified] : rates[key]),
            ]),
          );
          const quantity =
            (multiplier * num(row.GN) * rate) / (["%", "％"].includes(row.Unite) ? 100 : 1);
          if ([103, 104].includes(num(row.LinkIndex)))
            expand(num(row.LinkIndex), row.Code, quantity, [...path, id], childRates);
          else if (EstNative.sourceTables[num(row.LinkIndex)]) {
            const count = quantity * weightedRate(source, childRates);
            const amount =
              multiplier *
              rate *
              components.reduce((amount, key) => amount + num(row[key]) * rates[key], 0);
            if (count || amount) record(num(row.LinkIndex), row.Code, count, amount);
          } else money(row, multiplier * rate, rates);
        }
        return;
      }
      const source = tables[EstNative.sourceTables[kind]]?.find((row) => row.Code === code);
      record(kind, code, multiplier * weightedRate(source, rates));
    }
    for (const [index, row] of tables.EstMainDat.entries()) {
      if (num(row.LinkIndex) === 54) break;
      if (
        num(row.Level) > 0 ||
        num(row.CalcIndex) >= 2 ||
        [51, 52, 68].includes(num(row.LinkIndex))
      )
        continue;
      if (byWork) {
        workKey = `${index}:`;
        work = { WorkCode: row.Code || "", WorkName: row.Name || "" };
      }
      if (!EstNative.sourceTables[num(row.LinkIndex)]) {
        money(row, 1, { NC: 1, GC: 1, JC: 1, SC: 1 });
        continue;
      }
      const source = tables[EstNative.sourceTables[num(row.LinkIndex)]]?.find(
        (r) => r.Code === row.Code,
      );
      expand(num(row.LinkIndex), row.Code, num(row.GN), [], bidComponents(row, source));
    }
    const rows = [...output.values()];
    for (const row of rows)
      if (row.kind === 105 && row.amountForHours) {
        const price = num(tables.MachTitleDat.find((r) => r.Code === row.Code)?.TC);
        if (price) {
          row.quantity += row.amountForHours / price;
          row.Unite = "HR";
        } else {
          row.Unite = "제외금액";
          row.quantity = 0;
        }
      }
    rows.forEach((row) => delete row.amountForHours);
    return { rows, errors: [...new Set(errors)] };
  }
  return { calculate };
})();