/**
* Send email functionality
*/
const config = require("../config");
const { callGraphAPI } = require("../utils/graph-api");
const { ensureAuthenticated } = require("../auth");
/**
* Send email handler
* @param {object} args - Tool arguments
* @returns {object} - MCP response
*/
async function handleSendEmail(args) {
const {
to,
cc,
bcc,
subject,
body,
importance = "normal",
saveToSentItems = true,
} = args;
// Validate required parameters
if (!to) {
return {
content: [
{
type: "text",
text: "Recipient (to) is required.",
},
],
};
}
if (!subject) {
return {
content: [
{
type: "text",
text: "Subject is required.",
},
],
};
}
if (!body) {
return {
content: [
{
type: "text",
text: "Body content is required.",
},
],
};
}
try {
// Get access token
const accessToken = await ensureAuthenticated();
// Format recipients
const toRecipients = to.split(",").map((email) => {
email = email.trim();
return {
emailAddress: {
address: email,
},
};
});
const ccRecipients = cc
? cc.split(",").map((email) => {
email = email.trim();
return {
emailAddress: {
address: email,
},
};
})
: [];
const bccRecipients = bcc
? bcc.split(",").map((email) => {
email = email.trim();
return {
emailAddress: {
address: email,
},
};
})
: [];
// Prepare email object
const emailObject = {
message: {
subject,
body: {
contentType: body.includes("<html") ? "html" : "text",
content: body,
},
toRecipients,
ccRecipients: ccRecipients.length > 0 ? ccRecipients : undefined,
bccRecipients: bccRecipients.length > 0 ? bccRecipients : undefined,
importance,
},
saveToSentItems,
};
// Make API call to send email
await callGraphAPI(accessToken, "POST", "me/sendMail", emailObject);
return {
content: [
{
type: "text",
text: `Email sent successfully!\n\nSubject: ${subject}\nRecipients: ${toRecipients.length}${ccRecipients.length > 0 ? ` + ${ccRecipients.length} CC` : ""}${bccRecipients.length > 0 ? ` + ${bccRecipients.length} BCC` : ""}\nMessage Length: ${body.length} characters`,
},
],
};
} catch (error) {
if (error.message === "Authentication required") {
return {
content: [
{
type: "text",
text: "Authentication required. Please use the 'authenticate' tool first.",
},
],
};
}
return {
content: [
{
type: "text",
text: `Error sending email: ${error.message}`,
},
],
};
}
}
module.exports = handleSendEmail;
