first commit

2026-08-24 13:52:16 -04:00
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+/**
+ * Cotizador Walmart Connect · Google Workspace Worker
+ * GomezLee Marketing · 2026
+ *
+ * Versión corregida para Google Apps Script V8.
+ * - NO usa variables de entorno.
+ * - NO usa Script Properties.
+ * - Gemini NO se llama desde Apps Script.
+ * - Las imágenes llegan desde los nodos nativos de Google Gemini en n8n.
+ */
+
+const WMC_CONFIG = {
+  GOOGLE_AUTOMATION_SECRET: 'mwI_n-1r4_-QTLp1-zIt-zQKh_HqaoGoVhyapyLN2T2-r7xf8iP5AC3v9wJt5Av6',
+  OUTPUT_FOLDER_ID: '19EmZsJ7PzWCaFzeij9AZ3-mkPctNyK0G',
+  WALMART_TEMPLATE_ID: '17f1MB1uXQiQk4jn4_MPQixpBRwCpwDMZTsRmWA9UMOA',
+  GLM_MONTHLY_TEMPLATE_ID: '1RL9BckErp1QCLdxlM6riBRh9iO4f14ezf6fUgizBZJw',
+
+  // Confirmado en los ejemplos GLM enviados (Guatemala y Costa Rica).
+  GLM_VENDOR_NUMBER: '1603060802',
+  GLM_IVA_RATE: 0.12
+};
+
+const WMC = {
+  NAVY: '#041E42',
+  GREEN: '#6CC24A',
+  BLUE: '#4F758B',
+  TEXT: '#4A4A4A',
+  LIGHT: '#F5F5F5'
+};
+
+/**
+ * Health check sencillo: al abrir la URL /exec en el navegador debe devolver JSON.
+ */
+function doGet() {
+  return json_({
+    ok: true,
+    service: 'Cotizador WMC · Google Workspace Worker',
+    version: '2026-08-23.3'
+  });
+}
+
+function doPost(e) {
+  try {
+    const body = JSON.parse((e && e.postData && e.postData.contents) || '{}');
+    requireSecret_(body.secret);
+
+    const action = String(body.action || '');
+    let result;
+
+    if (action === 'generate_quote') {
+      result = generateWalmartQuote_(body);
+    } else if (action === 'generate_monthly_glm') {
+      result = generateMonthlyGlm_(body);
+    } else if (action === 'generate_proposal') {
+      result = generateProposal_(body);
+    } else if (action === 'generate_image') {
+      result = generateImageArtifact_(body);
+    } else {
+      result = { ok: true, skipped: true, message: 'Acción sin artefacto.' };
+    }
+
+    return json_(result);
+  } catch (err) {
+    console.error(err && err.stack ? err.stack : err);
+    return json_({
+      ok: false,
+      error: String(err && err.message ? err.message : err)
+    });
+  }
+}
+
+function requireSecret_(value) {
+  if (!WMC_CONFIG.GOOGLE_AUTOMATION_SECRET || String(value || '') !== WMC_CONFIG.GOOGLE_AUTOMATION_SECRET) {
+    throw new Error('Solicitud no autorizada.');
+  }
+}
+
+function json_(obj) {
+  return ContentService
+    .createTextOutput(JSON.stringify(obj))
+    .setMimeType(ContentService.MimeType.JSON);
+}
+
+function safeName_(value, fallback) {
+  const s = String(value || fallback || 'WMC')
+    .replace(/[\\/:*?"<>|#%{}\[\]]+/g, ' ')
+    .replace(/\s+/g, ' ')
+    .trim();
+  return s.slice(0, 160) || String(fallback || 'WMC');
+}
+
+function outputFolder_() {
+  return DriveApp.getFolderById(WMC_CONFIG.OUTPUT_FOLDER_ID);
+}
+
+function copyTemplate_(templateId, name) {
+  const file = DriveApp.getFileById(templateId);
+  return file.makeCopy(safeName_(name, 'WMC'), outputFolder_());
+}
+
+function norm_(v) {
+  return String(v || '')
+    .normalize('NFD')
+    .replace(/[\u0300-\u036f]/g, '')
+    .toLowerCase()
+    .replace(/\s+/g, ' ')
+    .trim();
+}
+
+function findCell_(sheet, variants) {
+  const values = sheet.getDataRange().getDisplayValues();
+  const wanted = variants.map(function(v) { return norm_(v); });
+
+  for (let r = 0; r < values.length; r++) {
+    for (let c = 0; c < values[r].length; c++) {
+      const n = norm_(values[r][c]);
+      for (let i = 0; i < wanted.length; i++) {
+        const w = wanted[i];
+        if (n === w || n.indexOf(w + ':') === 0 || n.indexOf(w) >= 0) {
+          return { row: r + 1, col: c + 1, text: values[r][c] };
+        }
+      }
+    }
+  }
+  return null;
+}
+
+function findRow_(sheet, variants) {
+  const c = findCell_(sheet, variants);
+  return c ? c.row : null;
+}
+
+function setRightOfLabel_(sheet, variants, value) {
+  if (value === undefined || value === null || value === '') return false;
+  const cell = findCell_(sheet, variants);
+  if (!cell) return false;
+  sheet.getRange(cell.row, Math.min(cell.col + 1, sheet.getMaxColumns())).setValue(value);
+  return true;
+}
+
+function visibleFirstSheet_(ss) {
+  const sheets = ss.getSheets();
+  for (let i = 0; i < sheets.length; i++) {
+    if (!sheets[i].isSheetHidden()) return sheets[i];
+  }
+  return sheets[0];
+}
+
+function findExactTextRowInColumnAfter_(sheet, col, text, afterRow, beforeRow) {
+  const start = Math.max(1, Number(afterRow || 1));
+  const end = Math.min(sheet.getMaxRows(), Number(beforeRow || sheet.getMaxRows()));
+  if (end < start) return null;
+
+  const values = sheet.getRange(start, col, end - start + 1, 1).getDisplayValues();
+  const wanted = norm_(text);
+
+  for (let i = 0; i < values.length; i++) {
+    if (norm_(values[i][0]) === wanted) return start + i;
+  }
+  return null;
+}
+
+function firstNumber_() {
+  for (let i = 0; i < arguments.length; i++) {
+    const v = arguments[i];
+    if (v === '' || v === null || v === undefined) continue;
+    const n = Number(v);
+    if (Number.isFinite(n)) return n;
+  }
+  return null;
+}
+
+function numOrBlank_(v) {
+  if (v === '' || v === null || v === undefined) return '';
+  const n = Number(v);
+  return Number.isFinite(n) ? n : '';
+}
+
+function countryCurrencyCode_(code) {
+  const map = { GT: 'GTQ', CR: 'CRC', SV: 'USD', HN: 'HNL', NI: 'NIO' };
+  return map[String(code || '').toUpperCase()] || '';
+}
+
+function countryCurrencySymbol_(code) {
+  const map = { GT: 'Q', CR: '₡', SV: '$', HN: 'L', NI: 'C$' };
+  return map[String(code || '').toUpperCase()] || '';
+}
+
+// ============================================================================
+// NORMALIZACIÓN FINANCIERA DEFENSIVA
+// ============================================================================
+
+function money_(value) {
+  const n = Number(value);
+  if (!Number.isFinite(n)) return 0;
+  return Math.round((n + Number.EPSILON) * 100) / 100;
+}
+
+function isFeeSection_(section) {
+  return norm_(section).indexOf('fee') >= 0;
+}
+
+function normalizeWalmartQuoteFinancials_(input) {
+  const q = JSON.parse(JSON.stringify(input || {}));
+  const rateRaw = Number(q.exchangeRate !== undefined ? q.exchangeRate : q.exchange_rate);
+  const rate = Number.isFinite(rateRaw) && rateRaw > 0 ? rateRaw : 1;
+  const items = Array.isArray(q.items) ? q.items : [];
+
+  let subtotalUsd = 0;
+  let explicitFeeUsd = 0;
+
+  q.items = items.map(function(raw) {
+    const it = raw && typeof raw === 'object' ? raw : {};
+    const units = firstNumber_(it.units, it.quantity, 0);
+    const days = (it.days === '' || it.days === null || it.days === undefined)
+      ? 1
+      : firstNumber_(it.days, 1);
+    const unitUsd = firstNumber_(it.unitCostUsd, it.unit_cost_usd, 0);
+    const suppliedTotal = firstNumber_(it.totalUsd, it.total_usd, 0);
+    const computedTotal = money_(Number(units || 0) * Number(days || 0) * Number(unitUsd || 0));
+    const totalUsd = Number(unitUsd || 0) > 0 && Number(units || 0) > 0
+      ? computedTotal
+      : money_(suppliedTotal || 0);
+
+    const normalized = Object.assign({}, it, {
+      units: Number(units || 0),
+      days: Number(days || 0),
+      unitCostUsd: money_(unitUsd || 0),
+      totalUsd: totalUsd,
+      unitCostLocal: money_(Number(unitUsd || 0) * rate),
+      totalLocal: money_(totalUsd * rate)
+    });
+
+    if (isFeeSection_(it.section)) explicitFeeUsd += totalUsd;
+    else subtotalUsd += totalUsd;
+
+    return normalized;
+  });
+
+  subtotalUsd = money_(subtotalUsd);
+  let feeRate = firstNumber_(q.agencyFeeRate, q.feeRate);
+  if (feeRate === null && explicitFeeUsd > 0 && subtotalUsd > 0) feeRate = explicitFeeUsd / subtotalUsd;
+  if (feeRate === null || !Number.isFinite(feeRate) || feeRate < 0) feeRate = 0.06;
+  if (feeRate > 1) feeRate = feeRate / 100;
+
+  const feeUsd = money_(subtotalUsd * feeRate);
+  q.exchangeRate = rate;
+  q.agencyFeeRate = feeRate;
+  q.subtotalUsd = subtotalUsd;
+  q.subtotalLocal = money_(subtotalUsd * rate);
+  q.agencyFeeUsd = feeUsd;
+  q.agencyFeeLocal = money_(feeUsd * rate);
+  q.totalUsd = money_(subtotalUsd + feeUsd);
+  q.totalLocal = money_(q.totalUsd * rate);
+
+  return q;
+}
+
+function readWalmartGrandTotals_(sheet, q) {
+  const totalCell = findCell_(sheet, ['Total con todos los rubros', 'Total general']);
+  if (!totalCell) {
+    return {
+      totalUsd: money_(q.totalUsd || 0),
+      totalLocal: money_(q.totalLocal || 0)
+    };
+  }
+
+  const row = totalCell.row;
+  const usd = Number(sheet.getRange(row, 5).getValue());
+  const local = Number(sheet.getRange(row, 7).getValue());
+  return {
+    totalUsd: Number.isFinite(usd) ? money_(usd) : money_(q.totalUsd || 0),
+    totalLocal: Number.isFinite(local) ? money_(local) : money_(q.totalLocal || 0)
+  };
+}
+
+// ============================================================================
+// 1) COTIZACIÓN OFICIAL WALMART CONNECT
+// ============================================================================
+
+function generateWalmartQuote_(body) {
+  const q = normalizeWalmartQuoteFinancials_(body.quote || {});
+  if (!q.countryCode || !Array.isArray(q.items) || !q.items.length) {
+    throw new Error('La cotización no contiene país/items suficientes.');
+  }
+
+  const stamp = Utilities.formatDate(
+    new Date(),
+    Session.getScriptTimeZone() || 'America/Guatemala',
+    'yyyyMMdd-HHmm'
+  );
+
+  const name = safeName_(
+    'WMC_' + (q.project || q.advertiser || 'Cotizacion') + '_' + q.countryCode + '_' + stamp,
+    'WMC_Cotizacion'
+  );
+
+  const file = copyTemplate_(WMC_CONFIG.WALMART_TEMPLATE_ID, name);
+  const ss = SpreadsheetApp.openById(file.getId());
+  const sheet = ss.getSheetByName('Solicitud Cotizaciones') || visibleFirstSheet_(ss);
+
+  setRightOfLabel_(sheet, ['Brand Solution'], q.brandSolution || 'WMC');
+  setRightOfLabel_(sheet, ['País', 'Pais'], q.country || q.countryCode);
+  setRightOfLabel_(sheet, ['Agencia'], 'GomezLee Marketing S.A.');
+  setRightOfLabel_(sheet, ['Proyecto'], q.project || '');
+  setRightOfLabel_(sheet, ['Anunciante'], q.advertiser || '');
+  setRightOfLabel_(sheet, ['Formato'], q.format || '');
+  setRightOfLabel_(sheet, ['Tipo de cambio'], Number(q.exchangeRate || 1));
+
+  const sectionDefs = [
+    { key: 'Personal', aliases: ['Personal'] },
+    { key: 'Mobiliario - Equipo', aliases: ['Mobiliario - Equipo', 'Mobiliario y Equipo', 'Mobiliario'] },
+    { key: 'Insumos de degustación y/o preparación', aliases: ['Insumos de degustación y/o preparación', 'Insumos de degustación', 'Insumos'] },
+    { key: 'Logística e Instalación', aliases: ['Logística e Instalación', 'Logistica e Instalación', 'Logistica e Instalacion', 'Logística', 'Logistica'] }
+  ];
+
+  const grouped = {};
+  for (let i = 0; i < q.items.length; i++) {
+    const it = q.items[i] || {};
+    const section = String(it.section || 'Otros');
+    if (!grouped[section]) grouped[section] = [];
+    grouped[section].push(it);
+  }
+
+  // De abajo hacia arriba para que las inserciones no desplacen secciones todavía no procesadas.
+  const results = [];
+  for (let i = sectionDefs.length - 1; i >= 0; i--) {
+    const def = sectionDefs[i];
+    const items = getItemsForSection_(q.items, def.aliases);
+    results.push(fillWalmartSection_(sheet, def.aliases, items));
+  }
+
+  // Reordenamos para cálculos posteriores.
+  const sectionTotals = [];
+  for (let i = 0; i < sectionDefs.length; i++) {
+    const headerRow = findRow_(sheet, sectionDefs[i].aliases);
+    if (!headerRow) continue;
+    const totalRow = findExactTextRowInColumnAfter_(sheet, 1, 'Total', headerRow + 1);
+    if (totalRow) sectionTotals.push(totalRow);
+  }
+
+  configureWalmartFee_(sheet, q, sectionTotals);
+  configureWalmartGrandTotal_(sheet, sectionTotals);
+
+  setRightOfLabel_(sheet, ['Vigencia de la cotización', 'Vigencia'], q.validity || '30 días');
+  setRightOfLabel_(
+    sheet,
+    ['Observaciones o exclusiones', 'Observaciones'],
+    Array.isArray(q.observations) ? q.observations.join('\n') : (q.observations || '')
+  );
+
+  insertVisualReferences_(sheet, q.visualReferences || []);
+
+  // Forzamos el recálculo del machote y guardamos en la trazabilidad los mismos
+  // totales finales que ve el usuario en la hoja (incluyendo Fee de agencia).
+  SpreadsheetApp.flush();
+  const finalTotals = readWalmartGrandTotals_(sheet, q);
+  q.totalUsd = finalTotals.totalUsd;
+  q.totalLocal = finalTotals.totalLocal;
+
+  let data = ss.getSheetByName('_WMC_DATA');
+  if (!data) data = ss.insertSheet('_WMC_DATA');
+  data.clear();
+  data.getRange('A1:B8').setValues([
+    ['generatedAt', new Date()],
+    ['countryCode', q.countryCode],
+    ['currencyCode', q.currencyCode || countryCurrencyCode_(q.countryCode)],
+    ['exchangeRate', Number(q.exchangeRate || 1)],
+    ['totalUsd', Number(q.totalUsd || 0)],
+    ['totalLocal', Number(q.totalLocal || 0)],
+    ['conversationId', body.conversationId || ''],
+    ['quoteJson', JSON.stringify(q)]
+  ]);
+  data.hideSheet();
+
+  try {
+    sheet.setName(safeName_('Cotización ' + (q.format || '') + ' ' + q.countryCode, 'Cotización').slice(0, 99));
+  } catch (ignore) {}
+
+  SpreadsheetApp.flush();
+
+  return {
+    ok: true,
+    artifactType: 'quote',
+    artifactId: file.getId(),
+    artifactUrl: ss.getUrl(),
+    title: name,
+    provider: 'Google Sheets'
+  };
+}
+
+function getItemsForSection_(items, aliases) {
+  const wanted = aliases.map(function(v) { return norm_(v); });
+  const out = [];
+
+  for (let i = 0; i < items.length; i++) {
+    const it = items[i] || {};
+    const section = norm_(it.section || '');
+    let match = false;
+
+    for (let j = 0; j < wanted.length; j++) {
+      if (section === wanted[j] || section.indexOf(wanted[j]) >= 0 || wanted[j].indexOf(section) >= 0) {
+        match = true;
+        break;
+      }
+    }
+
+    if (match) out.push(it);
+  }
+  return out;
+}
+
+function fillWalmartSection_(sheet, aliases, items) {
+  const headerRow = findRow_(sheet, aliases);
+  if (!headerRow) return { headerRow: null, totalRow: null };
+
+  let totalRow = findExactTextRowInColumnAfter_(sheet, 1, 'Total', headerRow + 1);
+  if (!totalRow) throw new Error('No se encontró la fila Total para la sección ' + aliases[0] + '.');
+
+  const start = headerRow + 1;
+  let slots = totalRow - start;
+  const needed = Math.max(1, items.length);
+
+  if (needed > slots) {
+    const extra = needed - slots;
+    sheet.insertRowsBefore(totalRow, extra);
+
+    if (slots > 0) {
+      sheet.getRange(start, 1, 1, 7).copyTo(
+        sheet.getRange(totalRow, 1, extra, 7),
+        SpreadsheetApp.CopyPasteType.PASTE_FORMAT,
+        false
+      );
+    }
+
+    totalRow += extra;
+    slots += extra;
+  }
+
+  // Limpia únicamente las filas de detalle; nunca toca la fila Total.
+  if (slots > 0) sheet.getRange(start, 1, slots, 7).clearContent();
+
+  for (let i = 0; i < items.length; i++) {
+    const row = start + i;
+    const it = items[i] || {};
+
+    sheet.getRange(row, 1, 1, 4).setValues([[
+      it.description || 'Item',
+      numOrBlank_(it.units),
+      numOrBlank_(it.days),
+      numOrBlank_(it.unitCostUsd)
+    ]]);
+
+    sheet.getRange(row, 5).setFormula('=B' + row + '*C' + row + '*D' + row);
+    sheet.getRange(row, 6).setFormula('=D' + row + '*$B$11');
+    sheet.getRange(row, 7).setFormula('=E' + row + '*$B$11');
+  }
+
+  // Mantiene fórmulas neutras en espacios libres para que el subtotal siga siendo confiable.
+  for (let r = start + items.length; r < totalRow; r++) {
+    sheet.getRange(r, 5).setFormula('=B' + r + '*C' + r + '*D' + r);
+    sheet.getRange(r, 6).setFormula('=D' + r + '*$B$11');
+    sheet.getRange(r, 7).setFormula('=E' + r + '*$B$11');
+  }
+
+  const end = totalRow - 1;
+  sheet.getRange(totalRow, 4).setFormula('=SUM(D' + start + ':D' + end + ')');
+  sheet.getRange(totalRow, 5).setFormula('=SUM(E' + start + ':E' + end + ')');
+  sheet.getRange(totalRow, 6).setFormula('=SUM(F' + start + ':F' + end + ')');
+  sheet.getRange(totalRow, 7).setFormula('=SUM(G' + start + ':G' + end + ')');
+
+  sheet.getRange(start, 4, Math.max(1, slots), 2).setNumberFormat('$#,##0.00;[Red]-$#,##0.00');
+  sheet.getRange(start, 6, Math.max(1, slots), 2).setNumberFormat('#,##0.00;[Red]-#,##0.00');
+
+  return { headerRow: headerRow, totalRow: totalRow };
+}
+
+function configureWalmartFee_(sheet, q, sectionTotalRows) {
+  const feeHeader = findRow_(sheet, ['Fee de agencia', 'Fee Agencia', 'Fee']);
+  if (!feeHeader) return;
+
+  const feeCalcRow = feeHeader + 1;
+  let feeRate = firstNumber_(q.agencyFeeRate, q.feeRate);
+
+  const feeItems = getItemsForSection_(q.items || [], ['Fee de agencia', 'Fee Agencia', 'Fee']);
+  if (feeRate === null && feeItems.length) {
+    const baseUsd = sumItemTotals_(q.items || [], false);
+    const feeUsd = sumItemTotals_(feeItems, true);
+    if (baseUsd > 0 && feeUsd >= 0) feeRate = feeUsd / baseUsd;
+  }
+
+  // Si Gemini no suministra un fee explícito, conserva el 6% del machote oficial.
+  if (feeRate === null || !Number.isFinite(feeRate) || feeRate < 0) {
+    const current = Number(sheet.getRange(feeHeader, 4).getValue());
+    feeRate = Number.isFinite(current) && current >= 0 ? current : 0.06;
+  }
+
+  if (feeRate > 1) feeRate = feeRate / 100;
+
+  sheet.getRange(feeHeader, 4).setValue(feeRate).setNumberFormat('0.00%');
+  sheet.getRange(feeHeader, 6).setValue(feeRate).setNumberFormat('0.00%');
+
+  const dRefs = sectionTotalRows.map(function(r) { return 'D' + r; });
+  const eRefs = sectionTotalRows.map(function(r) { return 'E' + r; });
+  const fRefs = sectionTotalRows.map(function(r) { return 'F' + r; });
+  const gRefs = sectionTotalRows.map(function(r) { return 'G' + r; });
+
+  sheet.getRange(feeCalcRow, 4).setFormula('=(' + dRefs.join('+') + ')*D' + feeHeader);
+  sheet.getRange(feeCalcRow, 5).setFormula('=(' + eRefs.join('+') + ')*D' + feeHeader);
+  sheet.getRange(feeCalcRow, 6).setFormula('=(' + fRefs.join('+') + ')*F' + feeHeader);
+  sheet.getRange(feeCalcRow, 7).setFormula('=(' + gRefs.join('+') + ')*F' + feeHeader);
+}
+
+function configureWalmartGrandTotal_(sheet, sectionTotalRows) {
+  const totalCell = findCell_(sheet, ['Total con todos los rubros', 'Total general']);
+  if (!totalCell) return;
+
+  const grandRow = totalCell.row;
+  const feeHeader = findRow_(sheet, ['Fee de agencia', 'Fee Agencia', 'Fee']);
+  const feeCalcRow = feeHeader ? feeHeader + 1 : null;
+
+  const cols = [4, 5, 6, 7];
+  for (let i = 0; i < cols.length; i++) {
+    const col = cols[i];
+    const letter = columnLetter_(col);
+    const refs = sectionTotalRows.map(function(r) { return letter + r; });
+    if (feeCalcRow) refs.push(letter + feeCalcRow);
+    sheet.getRange(grandRow, col).setFormula('=' + refs.join('+'));
+  }
+}
+
+function sumItemTotals_(items, includeAll) {
+  let total = 0;
+  for (let i = 0; i < items.length; i++) {
+    const it = items[i] || {};
+    if (!includeAll && norm_(it.section || '').indexOf('fee') >= 0) continue;
+    const n = firstNumber_(it.totalUsd, it.total_usd);
+    if (n !== null) total += n;
+  }
+  return total;
+}
+
+function columnLetter_(col) {
+  let n = Number(col);
+  let s = '';
+  while (n > 0) {
+    const rem = (n - 1) % 26;
+    s = String.fromCharCode(65 + rem) + s;
+    n = Math.floor((n - 1) / 26);
+  }
+  return s;
+}
+
+// ============================================================================
+// 2) REFERENCIAS VISUALES
+// ============================================================================
+
+function insertVisualReferences_(sheet, refs) {
+  if (!Array.isArray(refs) || !refs.length) return;
+
+  const row = findRow_(sheet, ['Referencias visuales', 'Referencia visual']);
+  if (!row) return;
+
+  let col = 1;
+  refs.slice(0, 6).forEach(function(ref) {
+    try {
+      const blob = visualBlob_(ref);
+      if (!blob) return;
+
+      const img = sheet.insertImage(blob, col, row + 1);
+      const maxW = 360;
+      const maxH = 260;
+      const scale = Math.min(1, maxW / img.getWidth(), maxH / img.getHeight());
+
+      img.setWidth(Math.round(img.getWidth() * scale));
+      img.setHeight(Math.round(img.getHeight() * scale));
+      col = Math.min(col + 4, Math.max(1, sheet.getMaxColumns() - 1));
+    } catch (err) {
+      console.warn('No se pudo insertar referencia visual: ' + err);
+    }
+  });
+}
+
+function driveIdFromUrl_(url) {
+  const text = String(url || '');
+  let m = text.match(/\/d\/([a-zA-Z0-9_-]{15,})/);
+  if (m) return m[1];
+  m = text.match(/[?&]id=([a-zA-Z0-9_-]{15,})/);
+  return m ? m[1] : '';
+}
+
+function visualBlob_(ref) {
+  const obj = ref && typeof ref === 'object' ? ref : {};
+  const directId = String(obj.imageDriveId || obj.driveId || obj.fileId || '').trim();
+  if (directId) return DriveApp.getFileById(directId).getBlob();
+
+  const url = typeof ref === 'string' ? ref : String(obj.url || obj.imageUrl || '').trim();
+  if (!url) return null;
+
+  const driveId = driveIdFromUrl_(url);
+  if (driveId) return DriveApp.getFileById(driveId).getBlob();
+
+  const response = UrlFetchApp.fetch(url, {
+    muteHttpExceptions: true,
+    followRedirects: true
+  });
+
+  if (response.getResponseCode() < 200 || response.getResponseCode() >= 300) {
+    throw new Error('No se pudo descargar la referencia visual. HTTP ' + response.getResponseCode());
+  }
+  return response.getBlob();
+}
+
+// ============================================================================
+// 3) MENSUALIZACIÓN INTERNA GLM
+// ============================================================================
+
+function generateMonthlyGlm_(body) {
+  const q = body.quote || {};
+  const a = body.artifact || {};
+  const metadata = a.metadata && typeof a.metadata === 'object' ? a.metadata : {};
+
+  const stamp = Utilities.formatDate(
+    new Date(),
+    Session.getScriptTimeZone() || 'America/Guatemala',
+    'yyyyMMdd-HHmm'
+  );
+
+  const name = safeName_(
+    'GLM-' + (q.project || a.title || 'WMC') + '_' + (q.countryCode || '') + '_' + stamp,
+    'GLM-WMC'
+  );
+
+  const file = copyTemplate_(WMC_CONFIG.GLM_MONTHLY_TEMPLATE_ID, name);
+  const ss = SpreadsheetApp.openById(file.getId());
+  const sheet = ss.getSheetByName('Cotización') || visibleFirstSheet_(ss);
+
+  const country = q.country || q.countryName || q.countryCode || '';
+  const countryCode = String(q.countryCode || '').toUpperCase();
+  const advertiser = q.advertiser || a.client || '';
+  const project = q.project || a.project || q.format || 'Cotización Walmart Connect';
+  const contact = a.attention || metadata.attention || q.contactName || q.contact_name || '';
+  const email = a.email || metadata.email || q.contactEmail || q.contact_email || (body.user ? body.user.email : '') || '';
+  const currencySymbol = a.currencySymbol || metadata.currencySymbol || q.currencySymbol || countryCurrencySymbol_(countryCode);
+  const vendor = a.vendorNumber || metadata.vendorNumber || WMC_CONFIG.GLM_VENDOR_NUMBER;
+  const quoteCode = a.quoteCode || metadata.quoteCode || q.quoteCode || q.quote_code || '';
+
+  // El formato GLM real guarda estos valores dentro de la misma celda A6:A12.
+  sheet.getRange('A6').setValue('País: ' + country);
+  sheet.getRange('E6').setValue(quoteCode);
+  sheet.getRange('A7').setValue('Empresa: Walmart Connect');
+  sheet.getRange('A8').setValue('Asunto: ' + project);
+  sheet.getRange('A9').setValue('Atención:' + contact);
+  sheet.getRange('A10').setValue('Correo:' + email);
+  sheet.getRange('A11').setValue('Moneda: ' + currencySymbol);
+  sheet.getRange('A12').setValue('Vendor #: ' + vendor);
+
+  const summaryTitle = a.summaryTitle || metadata.summaryTitle || ('Walmart Connect-' + (advertiser || project));
+  sheet.getRange('A14').setValue(summaryTitle);
+
+  const monthlyDate = parseDateOrNow_(a.monthlyDate || metadata.monthlyDate || a.date || metadata.date);
+  sheet.getRange('A15').setValue(monthlyDate).setNumberFormat('mmmm yyyy');
+  sheet.getRange('B17').setValue(country);
+
+  const lines = Array.isArray(a.monthlyLines) && a.monthlyLines.length
+    ? a.monthlyLines
+    : (Array.isArray(q.items) ? q.items : []);
+
+  const activity = fillGlmActivityLines_(sheet, lines, q, a, metadata);
+  refreshGlmBudgetSummary_(sheet, activity);
+
+  let data = ss.getSheetByName('_WMC_MONTHLY_DATA');
+  if (!data) data = ss.insertSheet('_WMC_MONTHLY_DATA');
+  data.clear();
+  data.getRange('A1:B7').setValues([
+    ['generatedAt', new Date()],
+    ['countryCode', countryCode],
+    ['currency', currencySymbol],
+    ['sourceQuoteId', a.sourceQuoteId || ''],
+    ['conversationId', body.conversationId || ''],
+    ['quoteJson', JSON.stringify(q)],
+    ['artifactJson', JSON.stringify(a)]
+  ]);
+  data.hideSheet();
+
+  SpreadsheetApp.flush();
+
+  return {
+    ok: true,
+    artifactType: 'monthly_glm',
+    artifactId: file.getId(),
+    artifactUrl: ss.getUrl(),
+    title: name,
+    provider: 'Google Sheets'
+  };
+}
+
+function fillGlmActivityLines_(sheet, lines, quote, artifact, metadata) {
+  const header = findCell_(sheet, ['DESCRIPCIÓN', 'Descripcion', 'Descripción']);
+  if (!header) throw new Error('No se encontró el encabezado DESCRIPCIÓN en la plantilla GLM.');
+
+  const start = header.row + 1;
+  let totalRow = findExactTextRowInColumnAfter_(sheet, 4, 'Total', start);
+  if (!totalRow) throw new Error('No se encontró la primera fila Total del bloque de actividades GLM.');
+
+  let slots = totalRow - start;
+  const needed = Math.max(1, lines.length);
+
+  if (needed > slots) {
+    const extra = needed - slots;
+    sheet.insertRowsBefore(totalRow, extra);
+
+    if (slots > 0) {
+      sheet.getRange(start, 1, 1, 5).copyTo(
+        sheet.getRange(totalRow, 1, extra, 5),
+        SpreadsheetApp.CopyPasteType.PASTE_FORMAT,
+        false
+      );
+    }
+
+    totalRow += extra;
+    slots += extra;
+  }
+
+  if (slots > 0) sheet.getRange(start, 1, slots, 5).clearContent();
+
+  for (let i = 0; i < lines.length; i++) {
+    const row = start + i;
+    const it = lines[i] || {};
+    const qty = firstNumber_(it.units, it.quantity, 1);
+    const days = firstNumber_(it.days, 1);
+    const localUnit = firstNumber_(
+      it.unitCostLocal,
+      it.unit_cost_local,
+      firstNumber_(it.unitCostUsd, it.unit_cost_usd, 0) * firstNumber_(quote.exchangeRate, quote.exchange_rate, 1)
+    );
+
+    sheet.getRange(row, 1, 1, 4).setValues([[
+      it.description || it.concept || it.item_name || 'Item',
+      qty,
+      days,
+      localUnit
+    ]]);
+    sheet.getRange(row, 5).setFormula('=D' + row + '*B' + row + '*C' + row);
+  }
+
+  const end = totalRow - 1;
+  sheet.getRange(totalRow, 4).setValue('Total ');
+  sheet.getRange(totalRow, 5).setFormula('=SUM(E' + start + ':E' + end + ')');
+
+  const taxRow = totalRow + 1;
+  const grandRow = totalRow + 2;
+  let taxRate = firstNumber_(artifact.taxRate, metadata.taxRate, WMC_CONFIG.GLM_IVA_RATE);
+  if (taxRate > 1) taxRate = taxRate / 100;
+
+  sheet.getRange(taxRow, 4).setValue('IVA ');
+  sheet.getRange(taxRow, 5).setFormula('=E' + totalRow + '*' + taxRate);
+  sheet.getRange(grandRow, 4).setValue('Total ');
+  sheet.getRange(grandRow, 5).setFormula('=E' + totalRow + '+E' + taxRow);
+
+  sheet.getRange(start, 4, Math.max(1, slots), 2).setNumberFormat('#,##0.00;[Red]-#,##0.00');
+  sheet.getRange(totalRow, 5, 3, 1).setNumberFormat('#,##0.00;[Red]-#,##0.00');
+
+  return {
+    startRow: start,
+    endRow: end,
+    totalRow: totalRow,
+    taxRow: taxRow,
+    grandRow: grandRow
+  };
+}
+
+function refreshGlmBudgetSummary_(sheet, activity) {
+  const pmCell = findCell_(sheet, ['Project Management']);
+  let pmTotalRow = null;
+
+  if (pmCell) {
+    // En el machote GLM real, el total de Project Management es el último Total antes de Presupuesto.
+    const presupuestoCell = findCell_(sheet, ['Presupuesto']);
+    const before = presupuestoCell ? presupuestoCell.row - 1 : sheet.getMaxRows();
+
+    for (let r = before; r > pmCell.row; r--) {
+      const d = norm_(sheet.getRange(r, 4).getDisplayValue());
+      if (d === 'total') {
+        pmTotalRow = r;
+        break;
+      }
+    }
+  }
+
+  const sinFee = findCell_(sheet, ['Sub-Total-1 Presupuesto actividades SIN FEE']);
+  const conFee = findCell_(sheet, ['Sub-Total-1 Presupuesto actividades CON FEE']);
+  const totalActividad = findCell_(sheet, ['Total De Actividad', 'Total de Actividad']);
+
+  if (sinFee) {
+    if (pmTotalRow) sheet.getRange(sinFee.row, 2).setFormula('=E' + pmTotalRow);
+    else sheet.getRange(sinFee.row, 2).setValue(0);
+  }
+
+  if (conFee) sheet.getRange(conFee.row, 2).setFormula('=E' + activity.grandRow);
+
+  if (totalActividad) {
+    const refs = [];
+    if (sinFee) refs.push('B' + sinFee.row);
+    if (conFee) refs.push('B' + conFee.row);
+    if (refs.length) sheet.getRange(totalActividad.row, 2).setFormula('=' + refs.join('+'));
+  }
+}
+
+function parseDateOrNow_(value) {
+  if (value instanceof Date && !isNaN(value.getTime())) return value;
+  if (value) {
+    const d = new Date(value);
+    if (!isNaN(d.getTime())) return d;
+  }
+  return new Date();
+}
+
+// ============================================================================
+// 4) GOOGLE SLIDES
+// ============================================================================
+
+function generateProposal_(body) {
+  const a = body.artifact || {};
+  const q = body.quote || {};
+  const title = safeName_(a.title || q.project || 'Propuesta Walmart Connect', 'Propuesta Walmart Connect');
+
+  const pres = SlidesApp.create(title);
+  const file = DriveApp.getFileById(pres.getId());
+  file.moveTo(outputFolder_());
+
+  const slides = Array.isArray(a.slides) && a.slides.length
+    ? a.slides
+    : [
+        { type: 'cover', title: title, subtitle: 'Walmart Connect' },
+        { type: 'thankyou', title: 'Thank you!' }
+      ];
+
+  // Primero agrega las nuevas diapositivas y al final elimina la inicial automática.
+  const initialSlide = pres.getSlides().length ? pres.getSlides()[0] : null;
+  for (let i = 0; i < slides.length; i++) {
+    addProposalSlide_(pres, slides[i], body, i);
+  }
+  if (initialSlide && pres.getSlides().length > 1) initialSlide.remove();
+
+  return {
+    ok: true,
+    artifactType: 'proposal',
+    artifactId: pres.getId(),
+    artifactUrl: pres.getUrl(),
+    title: title,
+    provider: 'Google Slides'
+  };
+}
+
+function addProposalSlide_(pres, spec, body, index) {
+  const type = String(spec.type || 'content');
+  const slide = pres.appendSlide(SlidesApp.PredefinedLayout.BLANK);
+  const pageW = pres.getPageWidth();
+  const pageH = pres.getPageHeight();
+  const dark = type === 'cover' || type === 'section' || type === 'thankyou';
+
+  slide.getBackground().setSolidFill(dark ? WMC.NAVY : '#FFFFFF');
+
+  const titleText = String(spec.title || (index === 0 ? (body.title || 'Walmart Connect') : ''));
+  const titleBox = slide.insertTextBox(
+    titleText,
+    dark ? 48 : 44,
+    dark ? pageH * 0.38 : 28,
+    pageW - 96,
+    dark ? 90 : 48
+  );
+
+  titleBox.getText().getTextStyle()
+    .setFontFamily('Arial')
+    .setFontSize(dark ? 28 : 22)
+    .setBold(true)
+    .setForegroundColor(dark ? '#FFFFFF' : WMC.NAVY);
+
+  titleBox.getText().getParagraphStyle().setParagraphAlignment(
+    dark ? SlidesApp.ParagraphAlignment.CENTER : SlidesApp.ParagraphAlignment.START
+  );
+
+  const sub = String(spec.subtitle || spec.body || '');
+  if (sub) {
+    const subBox = slide.insertTextBox(
+      sub,
+      52,
+      dark ? pageH * 0.57 : 82,
+      pageW - 104,
+      70
+    );
+
+    subBox.getText().getTextStyle()
+      .setFontFamily('Arial')
+      .setFontSize(13)
+      .setForegroundColor(dark ? '#FFFFFF' : WMC.TEXT);
+
+    if (dark) {
+      subBox.getText().getParagraphStyle().setParagraphAlignment(SlidesApp.ParagraphAlignment.CENTER);
+    }
+  }
+
+  if (!dark) {
+    try {
+      const blob = visualBlob_({
+        imageDriveId: spec.imageDriveId || '',
+        imageUrl: spec.imageUrl || '',
+        url: spec.imageUrl || ''
+      });
+
+      if (blob) {
+        const img = slide.insertImage(blob);
+        const maxW = pageW - 96;
+        const maxH = pageH - 185;
+        const scale = Math.min(maxW / img.getWidth(), maxH / img.getHeight());
+        const finalW = img.getWidth() * scale;
+        const finalH = img.getHeight() * scale;
+
+        img.setWidth(finalW)
+          .setHeight(finalH)
+          .setLeft((pageW - finalW) / 2)
+          .setTop(150);
+      }
+    } catch (err) {
+      console.warn('No se pudo insertar imagen en Slides: ' + err);
+    }
+  }
+
+  const footer = slide.insertTextBox(
+    'PROPRIETARY & CONFIDENTIAL · Walmart Connect / GomezLee Marketing',
+    30,
+    pageH - 26,
+    pageW - 60,
+    14
+  );
+
+  footer.getText().getTextStyle()
+    .setFontFamily('Arial')
+    .setFontSize(7)
+    .setForegroundColor(dark ? '#D9E2F3' : '#777777');
+}
+
+// ============================================================================
+// 5) IMAGEN YA GENERADA POR GEMINI EN N8N
+// ============================================================================
+
+function generateImageArtifact_(body) {
+  const a = body.artifact || {};
+  const driveId = String(a.imageDriveId || a.driveId || a.fileId || '').trim();
+
+  if (driveId) {
+    const file = DriveApp.getFileById(driveId);
+    return {
+      ok: true,
+      artifactType: 'image',
+      artifactId: file.getId(),
+      artifactUrl: file.getUrl(),
+      title: a.title || file.getName() || 'Visual WMC',
+      provider: 'Google Gemini (n8n) + Google Drive'
+    };
+  }
+
+  const url = String(a.imageUrl || a.url || '').trim();
+  if (url) {
+    return {
+      ok: true,
+      artifactType: 'image',
+      artifactId: null,
+      artifactUrl: url,
+      title: a.title || 'Visual WMC',
+      provider: 'Google Gemini (n8n)'
+    };
+  }
+
+  throw new Error('Las imágenes se generan en n8n con el nodo nativo Google Gemini; no se recibió imageDriveId/imageUrl.');
+}