const HOST = "https://sec-event-intelligence.p.rapidapi.com";

function SEC_FILINGS(tickers) {
  const key = PropertiesService
    .getScriptProperties()
    .getProperty("RAPIDAPI_KEY");
  if (!key) {
    throw new Error("Set RAPIDAPI_KEY in Apps Script project settings.");
  }

  const query = [
    ["tickers", tickers || "AAPL,MSFT"],
    ["since", "2026-07-01"],
    ["limit", "10"]
  ].map(([name, value]) => `${name}=${encodeURIComponent(value)}`).join("&");

  const response = UrlFetchApp.fetch(
    `${HOST}/v1/sec/watchlist/changes?${query}`,
    {
      headers: {
        "x-rapidapi-host": "sec-event-intelligence.p.rapidapi.com",
        "x-rapidapi-key": key
      },
      muteHttpExceptions: true
    }
  );

  if (response.getResponseCode() >= 300) {
    throw new Error(response.getContentText());
  }

  const payload = JSON.parse(response.getContentText());
  const rows = [["Ticker", "Form", "Filed At", "Company", "Accession"]];
  for (const group of payload.data) {
    for (const change of group.changes || []) {
      const filing = change.filing || {};
      rows.push([
        group.ticker,
        filing.form || "",
        filing.filedAt || "",
        filing.companyName || "",
        filing.accessionNo || ""
      ]);
    }
  }
  return rows;
}