'use strict';

const cloudDb = require('../config/cloudDatabase');
const planningDatabase = require('./planningDatabase');
const { ensurePlanningStockSelectionSchema } = require('./planningSupportSchema');

const localDb = planningDatabase;
const BASE_TABLE = 'op_BarcodeChannelDecisionBase';
const RESULT_TABLE = 'op_BarcodeChannelDecisionResult';
const SYNC_LOG_TABLE = 'op_barcode_channel_decision_sync_log';
const DEFAULT_CHUNK_SIZE = Math.max(parseInt(process.env.STOCK_SELECTION_SYNC_CHUNK_SIZE || '1000', 10), 100);
const DEFAULT_REQUEST_TIMEOUT_MS = Math.max(parseInt(process.env.STOCK_SELECTION_SYNC_TIMEOUT_MS || '600000', 10), 60000);
const CHANNEL_NAME = '拼多多';
const REDLINE = 0.05;

function formatDate(value) {
  if (!value) {
    return null;
  }
  const date = new Date(value);
  if (Number.isNaN(date.getTime())) {
    return null;
  }
  const beijingDate = new Date(date.getTime() + (8 * 60 * 60 * 1000));
  return beijingDate.toISOString().slice(0, 10);
}

function formatDateTime(value) {
  if (!value) {
    return null;
  }
  const date = new Date(value);
  if (Number.isNaN(date.getTime())) {
    return null;
  }
  const beijingDate = new Date(date.getTime() + (8 * 60 * 60 * 1000));
  return beijingDate.toISOString().slice(0, 19).replace('T', ' ');
}

function toNullableNumber(value, digits = null) {
  if (value === null || value === undefined || value === '') {
    return null;
  }
  const parsed = Number(value);
  if (!Number.isFinite(parsed)) {
    return null;
  }
  return digits === null ? parsed : Number(parsed.toFixed(digits));
}

function buildInsertSql(tableName, columns, rowCount) {
  const columnSql = columns.map((column) => `\`${column}\``).join(', ');
  const rowPlaceholder = `(${columns.map(() => '?').join(', ')})`;
  const valuesSql = new Array(rowCount).fill(rowPlaceholder).join(', ');
  const updateSql = columns
    .filter((column) => !['statDate', 'channelName', 'barcode'].includes(column))
    .map((column) => `\`${column}\` = VALUES(\`${column}\`)`)
    .join(', ');

  return `
    INSERT INTO \`${tableName}\` (${columnSql})
    VALUES ${valuesSql}
    ON DUPLICATE KEY UPDATE ${updateSql}
  `;
}

async function upsertRows(tableName, columns, rows, chunkSize) {
  if (!Array.isArray(rows) || rows.length === 0) {
    return 0;
  }

  let affected = 0;
  for (let index = 0; index < rows.length; index += chunkSize) {
    const chunk = rows.slice(index, index + chunkSize);
    const sql = buildInsertSql(tableName, columns, chunk.length);
    const params = [];
    chunk.forEach((row) => {
      columns.forEach((column) => params.push(row[column] ?? null));
    });
    await localDb.query(sql, params);
    affected += chunk.length;
  }
  return affected;
}

async function writeSyncLog(payload) {
  await localDb.execute(
    `INSERT INTO \`${SYNC_LOG_TABLE}\` (
      sync_type,
      source_latest_stat_date,
      base_row_count,
      result_row_count,
      status,
      error_message,
      synced_at
    ) VALUES (?, ?, ?, ?, ?, ?, NOW())`,
    [
      payload.syncType,
      payload.sourceLatestStatDate,
      payload.baseRowCount,
      payload.resultRowCount,
      payload.status,
      payload.errorMessage,
    ]
  );
}

async function getLatestBaseStatDate() {
  const rows = await localDb.query(
    `SELECT DATE_FORMAT(MAX(\`statDate\`), '%Y-%m-%d') AS latestStatDate FROM \`${BASE_TABLE}\``
  );
  return rows?.[0]?.latestStatDate || null;
}

async function getBaseRowsByStatDate(statDate) {
  if (!statDate) {
    return [];
  }
  return localDb.query(
    `
    SELECT
      \`statDate\`,
      \`channelName\`,
      \`barcode\`,
      \`isListedInChannel\`,
      \`isListedInTmall\`,
      \`isListedInJingxi\`,
      \`isListedInAlibaba\`,
      DATE_FORMAT(\`firstListedDate\`, '%Y-%m-%d') AS \`firstListedDate\`,
      \`listedDays\`,
      \`listingShopCount\`,
      \`dailySales30d\`,
      \`dailySales90d\`,
      \`momGrowth30d\`,
      \`realAfterSaleRate90d\`,
      \`channelAfterSaleRedline\`
    FROM \`${BASE_TABLE}\`
    WHERE \`statDate\` = ?
    ORDER BY \`barcode\`
    `,
    [statDate]
  );
}

async function fetchBaseRowsFromSource(requestTimeout) {
  const sql = `
    SET NOCOUNT ON;

    DECLARE @statDate DATE =
    (
        SELECT MAX(d.stat_date)
        FROM JSDataWarehouse.dws.dws_sn_sales_full_info_di d
        WHERE d.stat_date < CAST(GETDATE() AS DATE)
    );

    IF @statDate IS NULL
    BEGIN
        SET @statDate = CAST(DATEADD(DAY, -1, GETDATE()) AS DATE);
    END

    IF OBJECT_ID('tempdb..#BaseRaw') IS NOT NULL DROP TABLE #BaseRaw;
    IF OBJECT_ID('tempdb..#AllListing') IS NOT NULL DROP TABLE #AllListing;
    IF OBJECT_ID('tempdb..#ChannelListing') IS NOT NULL DROP TABLE #ChannelListing;
    IF OBJECT_ID('tempdb..#Base') IS NOT NULL DROP TABLE #Base;
    IF OBJECT_ID('tempdb..#BarcodeSkuidMap') IS NOT NULL DROP TABLE #BarcodeSkuidMap;
    IF OBJECT_ID('tempdb..#SalesAgg') IS NOT NULL DROP TABLE #SalesAgg;

    SELECT DISTINCT
        CAST(s.sku_id AS VARCHAR(255)) AS barcode
    INTO #BaseRaw
    FROM dbo.jst_sku s WITH (NOLOCK)
    WHERE ISNULL(CAST(s.sku_id AS NVARCHAR(255)), N'') <> N''
      AND ISNULL(CAST(s.enabled AS INT), 0) = 1
      AND ISNULL(CAST(s.other_5 AS NVARCHAR(100)), N'') = N'销售';

    CREATE UNIQUE CLUSTERED INDEX IX_BaseRaw_barcode ON #BaseRaw (barcode);

    SELECT
        CAST(v.sku_id AS VARCHAR(255)) AS barcode,
        MIN(CAST(v.shop_created AS DATE)) AS firstListedDate,
        COUNT(DISTINCT CAST(v.shop_id AS VARCHAR(50))) AS listingShopCount
    INTO #AllListing
    FROM dbo.jst_skumap v WITH (NOLOCK)
    INNER JOIN #BaseRaw b ON CAST(v.sku_id AS VARCHAR(255)) = b.barcode
    WHERE v.shop_created IS NOT NULL
    GROUP BY CAST(v.sku_id AS VARCHAR(255));

    CREATE UNIQUE CLUSTERED INDEX IX_AllListing_barcode ON #AllListing (barcode);

    SELECT
        CAST(v.sku_id AS VARCHAR(255)) AS barcode,
        CAST(MAX(CASE
          WHEN LTRIM(RTRIM(ISNULL(CAST(v.channel AS NVARCHAR(50)), N''))) = N'Pinduoduo' THEN 1
          ELSE 0
        END) AS BIT) AS isListedInChannel,
        CAST(MAX(CASE
          WHEN LTRIM(RTRIM(ISNULL(CAST(v.channel AS NVARCHAR(50)), N''))) IN (N'Tmall', N'??') THEN 1
          ELSE 0
        END) AS BIT) AS isListedInTmall,
        CAST(MAX(CASE
          WHEN LTRIM(RTRIM(ISNULL(CAST(v.channel AS NVARCHAR(50)), N''))) IN (N'Jingxi', N'??') THEN 1
          ELSE 0
        END) AS BIT) AS isListedInJingxi,
        CAST(MAX(CASE
          WHEN LTRIM(RTRIM(ISNULL(CAST(v.channel AS NVARCHAR(50)), N''))) IN (N'Alibaba', N'1688', N'????') THEN 1
          ELSE 0
        END) AS BIT) AS isListedInAlibaba
    INTO #ChannelListing
    FROM dbo.jst_skumap v WITH (NOLOCK)
    INNER JOIN #BaseRaw b ON CAST(v.sku_id AS VARCHAR(255)) = b.barcode
    WHERE ISNULL(CAST(v.enabled AS INT), 0) = 1
    GROUP BY CAST(v.sku_id AS VARCHAR(255));

    CREATE UNIQUE CLUSTERED INDEX IX_ChannelListing_barcode ON #ChannelListing (barcode);

    SELECT
        N'???' AS channelName,
        b.barcode,
        ISNULL(c.isListedInChannel, 0) AS isListedInChannel,
        ISNULL(c.isListedInTmall, 0) AS isListedInTmall,
        ISNULL(c.isListedInJingxi, 0) AS isListedInJingxi,
        ISNULL(c.isListedInAlibaba, 0) AS isListedInAlibaba,
        a.firstListedDate,
        ISNULL(a.listingShopCount, 0) AS listingShopCount
    INTO #Base
    FROM #BaseRaw b
    LEFT JOIN #ChannelListing c ON c.barcode = b.barcode
    LEFT JOIN #AllListing a ON a.barcode = b.barcode;

    CREATE UNIQUE CLUSTERED INDEX IX_Base_channel_barcode ON #Base (channelName, barcode);

    SELECT DISTINCT
        N'拼多多' AS channelName,
        b.barcode,
        CAST(v.shop_sku_id AS VARCHAR(100)) AS skuid
    INTO #BarcodeSkuidMap
    FROM #BaseRaw b
    INNER JOIN dbo.jst_skumap v WITH (NOLOCK)
        ON CAST(v.sku_id AS VARCHAR(255)) = b.barcode
    WHERE ISNULL(CAST(v.channel AS NVARCHAR(50)), N'') = N'Pinduoduo'
      AND ISNULL(CAST(v.shop_sku_id AS VARCHAR(100)), '') <> '';

    CREATE UNIQUE CLUSTERED INDEX IX_BarcodeSkuidMap_channel_barcode_skuid
      ON #BarcodeSkuidMap (channelName, barcode, skuid);

    SELECT
        m.channelName,
        m.barcode,
        CAST(SUM(CASE WHEN d.stat_date >= DATEADD(DAY, -29, @statDate) THEN ISNULL(TRY_CAST(d.goods_count AS DECIMAL(18, 4)), 0) ELSE 0 END) AS DECIMAL(18, 4)) AS qty30,
        CAST(SUM(CASE WHEN d.stat_date >= DATEADD(DAY, -89, @statDate) THEN ISNULL(TRY_CAST(d.goods_count AS DECIMAL(18, 4)), 0) ELSE 0 END) AS DECIMAL(18, 4)) AS qty90,
        CAST(SUM(CASE WHEN d.stat_date BETWEEN DATEADD(DAY, -59, @statDate) AND DATEADD(DAY, -30, @statDate) THEN ISNULL(TRY_CAST(d.goods_count AS DECIMAL(18, 4)), 0) ELSE 0 END) AS DECIMAL(18, 4)) AS qtyPrev30,
        CAST(SUM(CASE WHEN d.stat_date >= DATEADD(DAY, -89, @statDate) THEN ISNULL(TRY_CAST(d.after_sale_amount AS DECIMAL(18, 6)), 0) ELSE 0 END) AS DECIMAL(18, 6)) AS afterSale90,
        CAST(SUM(CASE WHEN d.stat_date >= DATEADD(DAY, -89, @statDate) THEN ISNULL(TRY_CAST(d.sales_amount AS DECIMAL(18, 6)), 0) ELSE 0 END) AS DECIMAL(18, 6)) AS sales90
    INTO #SalesAgg
    FROM #BarcodeSkuidMap m
    LEFT JOIN JSDataWarehouse.dws.dws_sn_sales_full_info_di d
      ON d.skuid = m.skuid
     AND ISNULL(CAST(d.platform AS NVARCHAR(50)), N'') = m.channelName
     AND d.stat_date BETWEEN DATEADD(DAY, -89, @statDate) AND @statDate
    GROUP BY m.channelName, m.barcode;

    CREATE UNIQUE CLUSTERED INDEX IX_SalesAgg_channel_barcode ON #SalesAgg (channelName, barcode);

    SELECT
        @statDate AS statDate,
        b.channelName,
        b.barcode,
        b.isListedInChannel,
        b.isListedInTmall,
        b.isListedInJingxi,
        b.isListedInAlibaba,
        b.firstListedDate,
        CASE WHEN b.firstListedDate IS NULL THEN NULL ELSE DATEDIFF(DAY, b.firstListedDate, @statDate) END AS listedDays,
        b.listingShopCount,
        CAST(ISNULL(sa.qty30, 0) / 30.0 AS DECIMAL(18, 4)) AS dailySales30d,
        CAST(ISNULL(sa.qty90, 0) / 90.0 AS DECIMAL(18, 4)) AS dailySales90d,
        CAST(
          CASE
            WHEN ISNULL(sa.qtyPrev30, 0) = 0 THEN NULL
            ELSE ((ISNULL(sa.qty30, 0) / 30.0) - (ISNULL(sa.qtyPrev30, 0) / 30.0)) / NULLIF((ISNULL(sa.qtyPrev30, 0) / 30.0), 0)
          END
          AS DECIMAL(18, 4)
        ) AS momGrowth30d,
        CAST(ISNULL(sa.afterSale90, 0) / NULLIF(ISNULL(sa.sales90, 0), 0) AS DECIMAL(18, 6)) AS realAfterSaleRate90d,
        CAST(0.05 AS DECIMAL(18, 6)) AS channelAfterSaleRedline
    FROM #Base b
    LEFT JOIN #SalesAgg sa ON sa.channelName = b.channelName AND sa.barcode = b.barcode
    ORDER BY b.barcode;
  `;

  return cloudDb.query(sql, {}, { requestTimeout });
}

function getRuleOutcome(baseRow) {
  const isListedInChannel = Number(baseRow.isListedInChannel || 0);
  const listedDays = toNullableNumber(baseRow.listedDays, 0) ?? 0;
  const listingShopCount = toNullableNumber(baseRow.listingShopCount, 0) ?? 0;
  const dailySales30d = toNullableNumber(baseRow.dailySales30d, 4) ?? 0;
  const dailySales90d = toNullableNumber(baseRow.dailySales90d, 4) ?? 0;
  const momGrowth30d = toNullableNumber(baseRow.momGrowth30d, 4);
  const realAfterSaleRate90d = toNullableNumber(baseRow.realAfterSaleRate90d, 6) ?? 0;

  if (realAfterSaleRate90d > 0.05) {
    return { ruleCode: '3-9', poolType: '禁止选品', ruleTag: '高售后，禁止选品', ruleExplain: '命中3-9：90天真实售后率（realAfterSaleRate90d）>5%' };
  }
  if (dailySales30d === 0 && dailySales90d === 0 && momGrowth30d === null && listedDays >= 30 && listingShopCount >= 200) {
    return { ruleCode: '3-8', poolType: '企划复盘', ruleTag: '企划复盘-产品，策划', ruleExplain: '命中3-8：30天日销（dailySales30d）=0，90天日销（dailySales90d）=0，30天环比（momGrowth30d）为NULL，且全渠道首次铺货天数（listedDays）>=30，铺货数量（listingShopCount）>=200' };
  }
  if (dailySales30d === 0 && dailySales90d === 0 && momGrowth30d === null && listedDays >= 30 && listingShopCount >= 1 && listingShopCount < 200) {
    return { ruleCode: '3-8-1', poolType: '企划复盘', ruleTag: '企划复盘-铺货渠道', ruleExplain: '命中3-8-1：30天日销（dailySales30d）=0，90天日销（dailySales90d）=0，30天环比（momGrowth30d）为NULL，且全渠道首次铺货天数（listedDays）>=30，铺货数量（listingShopCount）<200且>=1' };
  }
  if (isListedInChannel === 1 && dailySales30d > 1 && (momGrowth30d ?? 0) >= 0.5 && realAfterSaleRate90d < 0.05) {
    return { ruleCode: '3-4', poolType: '优质选品待选池', ruleTag: 'gmv高，环比增长中，售后符合费比【优质品】', ruleExplain: '命中3-4：本渠道是否上架（isListedInChannel）=1，30天日销（dailySales30d）>1，30天环比（momGrowth30d）>0.5，且90天真实售后率（realAfterSaleRate90d）<5%' };
  }
  if (isListedInChannel === 1 && dailySales30d > 1 && (momGrowth30d ?? -99999) < 0.5 && realAfterSaleRate90d < 0.05) {
    return { ruleCode: '3-4-1', poolType: '选品待选池', ruleTag: 'gmv高，无增长，售后符合费比【普通品】', ruleExplain: '命中3-4-1：本渠道是否上架（isListedInChannel）=1，30天日销（dailySales30d）>1，30天环比（momGrowth30d）<0.5，且90天真实售后率（realAfterSaleRate90d）<5%' };
  }
  if (isListedInChannel === 1 && dailySales30d <= 1 && (momGrowth30d ?? 0) >= 0.5) {
    return { ruleCode: '3-4-3', poolType: '\u9009\u54c1\u5f85\u9009\u6c60', ruleTag: '\u6f5c\u529b\u5546\u54c1', ruleExplain: '\u547d\u4e2d3-4-3\uff1a\u672c\u6e20\u9053\u662f\u5426\u4e0a\u67b6\uff08isListedInChannel\uff09=1\uff0c30\u5929\u65e5\u9500\uff08dailySales30d\uff09<=1\uff0c\u4e1430\u5929\u73af\u6bd4\uff08momGrowth30d\uff09>=50%' };
  }
  if (isListedInChannel === 1 && dailySales30d <= 1 && (momGrowth30d ?? 0) > 0 && (momGrowth30d ?? 0) < 0.5) {
    return { ruleCode: '3-4-4', poolType: '\u9009\u54c1\u5f85\u9009\u6c60', ruleTag: '\u8f7b\u589e\u957f\u5546\u54c1', ruleExplain: '\u547d\u4e2d3-4-4\uff1a\u672c\u6e20\u9053\u662f\u5426\u4e0a\u67b6\uff08isListedInChannel\uff09=1\uff0c30\u5929\u65e5\u9500\uff08dailySales30d\uff09<=1\uff0c\u4e1430\u5929\u73af\u6bd4\uff08momGrowth30d\uff09>0\u4e14<50%' };
  }
  if (isListedInChannel === 1 && dailySales30d <= 1 && (momGrowth30d === 0 || momGrowth30d === null) && listedDays > 30) {
    return { ruleCode: '3-4-2', poolType: '清货待选池', ruleTag: 'gmv下滑中，低日销，请立即清货', ruleExplain: '命中3-4-2：本渠道是否上架（isListedInChannel）=1，30天日销（dailySales30d）<=1，且30天环比（momGrowth30d）=0或NULL，且全渠道首次铺货天数（listedDays）>30' };
  }
  if (isListedInChannel === 1 && dailySales30d <= 1 && (momGrowth30d ?? 0) < 0) {
    return { ruleCode: '3-5', poolType: '清货待选池', ruleTag: 'gmv下滑中，低日销，请及时清货', ruleExplain: '命中3-5：本渠道是否上架（isListedInChannel）=1，30天日销（dailySales30d）<=1，且30天环比（momGrowth30d）<0' };
  }
  if (isListedInChannel === 0 && listingShopCount >= 1 && listedDays <= 15) {
    return { ruleCode: '3-3-1', poolType: '选品待选池', ruleTag: '新品，可铺货，注意控价', ruleExplain: '命中3-3-1：本渠道是否上架（isListedInChannel）=0，且其他渠道已有铺货（listingShopCount）>=1，且全渠道首次铺货天数（listedDays）<=15' };
  }
  if (isListedInChannel === 0 && dailySales30d <= 1) {
    return { ruleCode: '3-2', poolType: '选品待选池', ruleTag: 'gmv低，售后不判定', ruleExplain: '命中3-2：本渠道是否上架（isListedInChannel）=0，且30天日销（dailySales30d）<=1' };
  }
  if (isListedInChannel === 0 && dailySales30d > 1 && realAfterSaleRate90d < 0.05) {
    return { ruleCode: '3-3', poolType: '选品待选池', ruleTag: 'gmv高，售后符合渠道规定', ruleExplain: '命中3-3：本渠道是否上架（isListedInChannel）=0，30天日销（dailySales30d）>1，且90天真实售后率（realAfterSaleRate90d）<5%' };
  }

  return {
    ruleCode: 'NA',
    poolType: '未命中',
    ruleTag: '未命中规则',
    ruleExplain:
      `未命中：本渠道是否上架（isListedInChannel）=${isListedInChannel}` +
      `；30天日销（dailySales30d）=${dailySales30d.toFixed(4)}` +
      `；90天日销（dailySales90d）=${dailySales90d.toFixed(4)}` +
      `；30天环比（momGrowth30d）=${momGrowth30d === null ? 'NULL' : momGrowth30d.toFixed(4)}` +
      `；90天真实售后率（realAfterSaleRate90d）=${realAfterSaleRate90d.toFixed(6)}` +
      `；全渠道首次铺货天数（listedDays）=${listedDays}` +
      `；全渠道铺货数量（listingShopCount）=${listingShopCount}` +
      `；售后红线=${REDLINE.toFixed(6)}`,
  };
}

function buildResultRows(baseRows, nowText) {
  return baseRows.map((row) => ({
    statDate: row.statDate,
    channelName: row.channelName,
    barcode: row.barcode,
    ...getRuleOutcome(row),
    createdAt: nowText,
    updatedAt: nowText,
  }));
}

async function rebuildStockSelectionBase(options = {}) {
  const syncType = options.syncType || 'base_rebuild';
  const chunkSize = Math.max(parseInt(options.chunkSize || DEFAULT_CHUNK_SIZE, 10), 100);
  const requestTimeout = Math.max(parseInt(options.requestTimeout || DEFAULT_REQUEST_TIMEOUT_MS, 10), 60000);
  const onProgress = typeof options.onProgress === 'function' ? options.onProgress : null;
  const startedAt = Date.now();
  let sourceLatestStatDate = null;
  let baseRowCount = 0;

  try {
    await ensurePlanningStockSelectionSchema();
    onProgress?.({ stage: 'schema', message: '企划库条码铺货表结构检查完成' });

    const sourceRows = await fetchBaseRowsFromSource(requestTimeout);
    const nowText = formatDateTime(new Date());
    const baseRows = sourceRows.map((row) => ({
      statDate: formatDate(row.statDate),
      channelName: row.channelName || CHANNEL_NAME,
      barcode: row.barcode,
      isListedInChannel: row.isListedInChannel === null || row.isListedInChannel === undefined ? null : Number(row.isListedInChannel ? 1 : 0),
      isListedInTmall: row.isListedInTmall === null || row.isListedInTmall === undefined ? null : Number(row.isListedInTmall ? 1 : 0),
      isListedInJingxi: row.isListedInJingxi === null || row.isListedInJingxi === undefined ? null : Number(row.isListedInJingxi ? 1 : 0),
      isListedInAlibaba: row.isListedInAlibaba === null || row.isListedInAlibaba === undefined ? null : Number(row.isListedInAlibaba ? 1 : 0),
      firstListedDate: formatDate(row.firstListedDate),
      listedDays: toNullableNumber(row.listedDays, 0),
      listingShopCount: toNullableNumber(row.listingShopCount, 0),
      dailySales30d: toNullableNumber(row.dailySales30d, 4),
      dailySales90d: toNullableNumber(row.dailySales90d, 4),
      momGrowth30d: toNullableNumber(row.momGrowth30d, 4),
      realAfterSaleRate90d: toNullableNumber(row.realAfterSaleRate90d, 6),
      channelAfterSaleRedline: toNullableNumber(row.channelAfterSaleRedline, 6) ?? REDLINE,
      createdAt: nowText,
      updatedAt: nowText,
    }));

    sourceLatestStatDate = baseRows[0]?.statDate || null;
    onProgress?.({ stage: 'read-base', rowCount: baseRows.length, sourceLatestStatDate });

    if (sourceLatestStatDate) {
      await localDb.query(`DELETE FROM \`${BASE_TABLE}\` WHERE \`statDate\` = ?`, [sourceLatestStatDate]);
    }

    baseRowCount = await upsertRows(
      BASE_TABLE,
      ['statDate', 'channelName', 'barcode', 'isListedInChannel', 'isListedInTmall', 'isListedInJingxi', 'isListedInAlibaba', 'firstListedDate', 'listedDays', 'listingShopCount', 'dailySales30d', 'dailySales90d', 'momGrowth30d', 'realAfterSaleRate90d', 'channelAfterSaleRedline', 'createdAt', 'updatedAt'],
      baseRows,
      chunkSize
    );

    const elapsedMs = Date.now() - startedAt;
    await writeSyncLog({ syncType, sourceLatestStatDate, baseRowCount, resultRowCount: 0, status: 'success', errorMessage: null });
    return { success: true, syncType, sourceLatestStatDate, baseRowCount, resultRowCount: 0, elapsedMs };
  } catch (error) {
    await writeSyncLog({ syncType, sourceLatestStatDate, baseRowCount, resultRowCount: 0, status: 'failed', errorMessage: String(error.message || error).slice(0, 2000) });
    throw error;
  }
}

async function rebuildStockSelectionResult(options = {}) {
  const syncType = options.syncType || 'result_rebuild';
  const chunkSize = Math.max(parseInt(options.chunkSize || DEFAULT_CHUNK_SIZE, 10), 100);
  const onProgress = typeof options.onProgress === 'function' ? options.onProgress : null;
  const startedAt = Date.now();
  let sourceLatestStatDate = null;
  let resultRowCount = 0;
  let baseRowCount = 0;

  try {
    await ensurePlanningStockSelectionSchema();
    onProgress?.({ stage: 'schema', message: '企划库条码铺货表结构检查完成' });

    sourceLatestStatDate = await getLatestBaseStatDate();
    if (!sourceLatestStatDate) {
      throw new Error('企划库条码铺货底表暂无数据，无法生成结果表');
    }

    const baseRows = await getBaseRowsByStatDate(sourceLatestStatDate);
    baseRowCount = baseRows.length;
    const nowText = formatDateTime(new Date());
    const resultRows = buildResultRows(baseRows, nowText);
    onProgress?.({ stage: 'build-result', rowCount: resultRows.length, sourceLatestStatDate });

    await localDb.query(`DELETE FROM \`${RESULT_TABLE}\` WHERE \`statDate\` = ?`, [sourceLatestStatDate]);
    resultRowCount = await upsertRows(
      RESULT_TABLE,
      ['statDate', 'channelName', 'barcode', 'ruleCode', 'poolType', 'ruleTag', 'ruleExplain', 'createdAt', 'updatedAt'],
      resultRows,
      chunkSize
    );

    const elapsedMs = Date.now() - startedAt;
    await writeSyncLog({ syncType, sourceLatestStatDate, baseRowCount, resultRowCount, status: 'success', errorMessage: null });
    return { success: true, syncType, sourceLatestStatDate, baseRowCount, resultRowCount, elapsedMs };
  } catch (error) {
    await writeSyncLog({ syncType, sourceLatestStatDate, baseRowCount, resultRowCount, status: 'failed', errorMessage: String(error.message || error).slice(0, 2000) });
    throw error;
  }
}

async function syncStockSelectionTables(options = {}) {
  const baseResult = await rebuildStockSelectionBase({
    ...options,
    syncType: options.syncType ? `${options.syncType}_base` : 'full_base_rebuild',
  });
  const resultResult = await rebuildStockSelectionResult({
    ...options,
    syncType: options.syncType ? `${options.syncType}_result` : 'full_result_rebuild',
  });
  return {
    success: true,
    syncType: options.syncType || 'full',
    sourceLatestStatDate: resultResult.sourceLatestStatDate || baseResult.sourceLatestStatDate,
    baseRowCount: baseResult.baseRowCount,
    resultRowCount: resultResult.resultRowCount,
    elapsedMs: (baseResult.elapsedMs || 0) + (resultResult.elapsedMs || 0),
  };
}

module.exports = {
  syncStockSelectionTables,
  rebuildStockSelectionBase,
  rebuildStockSelectionResult,
  DEFAULT_REQUEST_TIMEOUT_MS,
};