import Mailgun from "https://deno.land/x/mailgun@v1.1.1/index.ts";
import { type Message } from "https://deno.land/x/mailgun@v1.1.1/types.ts";
import * as log from "$std/log/mod.ts";

export type Email = Message;

const MAILGUN_API_KEY = Deno.env.get("MAILGUN_API_KEY");
const MAILGUN_DOMAIN = Deno.env.get("MAILGUN_DOMAIN");

if (!MAILGUN_API_KEY) {
  log.error(
    "MAILGUN_API_KEY not set. Emails will not be sent, only logged to the console.",
  );
}

if (!MAILGUN_DOMAIN) {
  console.error(
    "MAILGUN_API_KEY not set. Emails will not be sent, only logged to the console.",
  );
}

const mailgun = new Mailgun({
  key: "YOUR_API_KEY",
  region: "us",
  domain: "YOUR_DOMAIN",
});

export async function send(email: Email) {
  console.debug("Email:", email);
  if (MAILGUN_API_KEY && MAILGUN_DOMAIN) {
    return await mailgun.send(email);
  } else {
    return new Response(
      "Email client is not properly configured. Email not sent.",
      {
        status: 401,
      },
    );
  }
}