email-summarizer-script.js

function forwardLabeledEmails() {
  const labelName = "";
  const workerEndpoint = "";
  const authToken = "";
  const recipientEmail = ""; // Replace with your email address

  // Get the date 24 hours ago
  const now = new Date();
  const twentyFourHoursAgo = new Date(now.getTime() - 24 * 60 * 60 * 1000);

  // Format the date for Gmail search (yyyy/mm/dd)
  const formattedDate = Utilities.formatDate(twentyFourHoursAgo, Session.getScriptTimeZone(), "yyyy/MM/dd");

  // Search for emails with the specified label received after the formatted date
  const searchQuery = `label:${labelName} after:${formattedDate}`;
  const threads = GmailApp.search(searchQuery);

  if (threads.length === 0) {
    Logger.log(`No emails found with the label "${labelName}" in the last 24 hours.`);
    return;
  }

  const emailsToSend = threads.map(thread => {
    const messages = thread.getMessages();
    return messages.map(message => ({
      subject: message.getSubject(),
      from: message.getFrom(),
      body: message.getPlainBody(),
    }));
  }).flat();

  // Prepare the request payload
  const payload = {
    messages: [
      {
        role: "system",
        content: "Summarize these emails. Highlight any important or urgent details.",
      },
      {
        role: "user",
        content: formatEmailContent(emailsToSend),
      },
    ],
  };

  // Send the payload to the Cloudflare Workers endpoint and handle the response
  const response = sendToWorker(workerEndpoint, payload, authToken);

  if (response) {
    sendEmailWithSummary(recipientEmail, response);
  } else {
    Logger.log("No response received from the Cloudflare Workers endpoint.");
  }
}

function formatEmailContent(emails) {
  // Format the emails as a readable string
  return emails.map(email => {
    return `From: ${email.from}\nSubject: ${email.subject}\nBody: ${email.body}\n\n`;
  }).join("\n");
}

function sendToWorker(endpoint, payload, authToken) {
  const options = {
    method: "post",
    contentType: "application/json",
    payload: JSON.stringify(payload),
    headers: {
      Authorization: `Bearer ${authToken}`, // Include Bearer token in the header
      "Content-Type": "application/json", // Explicitly set content type
    },
    muteHttpExceptions: true, // This allows us to see the full response if an error occurs
  };

  try {
    const response = UrlFetchApp.fetch(endpoint, options);
    const responseCode = response.getResponseCode();
    const responseText = response.getContentText();
    
    Logger.log(`Response Code: ${responseCode}`);
    Logger.log(`Response Body: ${responseText}`);

    if (responseCode === 200) {
      return JSON.parse(responseText);
    } else {
      throw new Error(`Failed to send payload. Response: ${responseText}`);
    }
  } catch (error) {
    Logger.log(`Error sending payload: ${error.message}`);
    return null;
  }
}

function sendEmailWithSummary(recipient, summary) {
  // Extract the summary response from Cloudflare Workers AI
  const summaryContent = summary?.result?.response || "No summary available.";

  // Construct the email content
  const subject = "Summary of Recent Emails";
  const body = `Here is the summary generated by Cloudflare Workers AI:\n\n${summaryContent}`;

  try {
    GmailApp.sendEmail(recipient, subject, body);
    Logger.log(`Summary email sent to ${recipient}`);
  } catch (error) {
    Logger.log(`Error sending email: ${error.message}`);
  }
}