import fs from "fs";

const path = "src/services/parse/packing-list.ts";
let src = fs.readFileSync(path, "utf8");

if (!src.includes("validatePackingFill")) {
  src = src.replace(
    `import { mapChannel } from "./channel-map";`,
    `import { mapChannel } from "./channel-map";
import { validatePackingFill } from "./packing-fill-rules";`,
  );
}

const oldBlock = `    const channelRaw = String(raw.F_Transporter ?? "").trim();
    const mapped = mapChannel(channelRaw);
    const fba = String(raw.F_FBACode ?? "").trim();
    const ctnsNum = parseNumber(raw.F_CTNS);
    const ctns = ctnsNum == null ? 0 : Math.trunc(ctnsNum);
    const cbm = parseNumber(raw.F_CBM);
    const weight = parseNumber(raw.F_Weight);
    const addr = raw.F_Address != null ? String(raw.F_Address).trim() : "";
    const express = /^(UPS|FEDEX|USPS|DHL)$/i.test(
      mapped.transporter || channelRaw,
    );
    const invalid_reasons: string[] = [];
    // 亚马逊仓必填仓库代码；快�?私人地址可空
    if (!fba && !express && !addr) invalid_reasons.push("仓库ID缺失");
    if (!mapped.transporter) invalid_reasons.push("渠道缺失");
    if (!ctns || ctns <= 0) invalid_reasons.push("件数无效");
    if (cbm == null) invalid_reasons.push("总体积缺�?);
    if (weight == null) invalid_reasons.push("毛重缺失");

    const warnings: string[] = [];
    if (mapped.unmapped && mapped.transporter) warnings.push("CHANNEL_UNMAPPED");

    let shipmentId =
      raw.F_ShipmentID != null ? String(raw.F_ShipmentID).trim() : "";
    if (!shipmentId) shipmentId = "/";

    const fbaIdRaw =
      raw.F_FBAID != null ? String(raw.F_FBAID).trim() : "";
    const refRaw =
      raw.F_ReferenceId != null ? String(raw.F_ReferenceId).trim() : "";
    // 一格多 ID：警告（不自动拆行）
    if (/[\\s,�?/；]+/.test(fbaIdRaw) && /FBA/i.test(fbaIdRaw)) {
      warnings.push("MULTI_FBAID_IN_CELL");
    }
    if (/[\\s,�?/；]{2,}/.test(refRaw)) {
      warnings.push("MULTI_REFERENCE_IN_CELL");
    }`;

const neuBlock = `    const channelRaw = String(raw.F_Transporter ?? "").trim();
    const mapped = mapChannel(channelRaw);
    const fbaRaw = String(raw.F_FBACode ?? "").trim();
    const ctnsNum = parseNumber(raw.F_CTNS);
    const ctns = ctnsNum == null ? 0 : Math.trunc(ctnsNum);
    const cbm = parseNumber(raw.F_CBM);
    const weight = parseNumber(raw.F_Weight);
    const addr = raw.F_Address != null ? String(raw.F_Address).trim() : "";
    const fbaIdRaw =
      raw.F_FBAID != null ? String(raw.F_FBAID).trim() : "";
    const refRaw =
      raw.F_ReferenceId != null ? String(raw.F_ReferenceId).trim() : "";
    const shipmentIdRaw =
      raw.F_ShipmentID != null ? String(raw.F_ShipmentID).trim() : "";

    const fill = validatePackingFill({
      channelRaw,
      transporter: mapped.transporter,
      warehouseId: fbaRaw,
      ctns,
      cbm,
      weight,
      address: addr,
      shipmentId: shipmentIdRaw,
      fbaId: fbaIdRaw,
      referenceId: refRaw,
      rawCtns: raw.F_CTNS != null ? String(raw.F_CTNS) : undefined,
      rawCbm: raw.F_CBM != null ? String(raw.F_CBM) : undefined,
      rawWeight: raw.F_Weight != null ? String(raw.F_Weight) : undefined,
    });
    const fba = fill.warehouseId;
    const shipmentId = fill.shipmentId;
    const invalid_reasons = [...fill.invalid_reasons];
    const warnings = [...fill.warnings];
    if (mapped.unmapped && mapped.transporter) warnings.push("CHANNEL_UNMAPPED");`;

if (!src.includes(oldBlock)) {
  // try without double escapes for regex in character class
  const old2 = oldBlock.replace(/\\s/g, "\\s").replace(/\\\\/g, "\\");
  // Just find by markers
  const a = src.indexOf("const channelRaw = String(raw.F_Transporter");
  const b = src.indexOf("const dateB = toShanghaiDateString");
  if (a < 0 || b < 0) {
    console.error("markers", a, b);
    process.exit(1);
  }
  src = src.slice(0, a) + neuBlock + "\n\n    " + src.slice(b);
} else {
  src = src.replace(oldBlock, neuBlock);
}

// Fix shipments.push F_FBACode: fba
fs.writeFileSync(path, src);
console.log("wired", src.includes("validatePackingFill"), src.includes("fill.warehouseId"));