/**
 * Web App 入口
 */
function doGet() {
  return HtmlService.createTemplateFromFile('index')
      .evaluate()
      .setTitle('软件安全列表Plus')
      .addMetaTag('viewport', 'width=device-width, initial-scale=1')
      .setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL);
}

/**
 * 一次性获取所有 Sheet 数据，减轻多次请求的负担
 */
function getAllData() {
  const ss = SpreadsheetApp.getActiveSpreadsheet();
  const sheets = ["Main", "CN", "EN", "ES"];
  const result = {};

  sheets.forEach(name => {
    const sheet = ss.getSheetByName(name);
    if (sheet) {
      result[name.toLowerCase()] = getRowsData(sheet);
    } else {
      result[name.toLowerCase()] = [];
    }
  });

  return result;
}

/**
 * 辅助函数：将 Sheet 转为对象数组
 */
function getRowsData(sheet) {
  const data = sheet.getDataRange().getValues();
  if (data.length < 1) return [];
  const headers = data[0];
  const rows = data.slice(1);
  return rows.map(row => {
    let obj = {};
    headers.forEach((header, i) => {
      // 这里的处理是为了防止日期对象在传输时出错，转为 ISO 字符串
      let val = row[i];
      if (val instanceof Date) {
        val = val.toISOString();
      }
      obj[header] = val;
    });
    return obj;
  });
}