const resendSecret = Deno.env.get("RESEND_SECRET")
const resendApiKey = Deno.env.get("RESEND_API_KEY")

const handler = async (request: Request): Promise<Response> => {
  const { estimate_min, estimate_max, position, secret, email } = await request.json()
  if (secret !== resendSecret) {
    return new Response(JSON.stringify("too bad"), {
      status: 403,
      headers: {
        "Content-Type": "application/json",
      },
    })
  }
  const res = await fetch("https://api.resend.com/emails", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "Authorization": `Bearer ${resendApiKey}`,
    },
    body: JSON.stringify({
      from: "Union Ceremony <alert@ceremony.union.build>",
      to: [email],
      reply_to: "ceremony@union.build",
      subject: "Your Turn Is Almost Here - Log Into Union Ceremony",
      html: `
        <p>
          Your contribution slot for the Union Trusted Setup Ceremony is almost here.
        </p>
        <p>
          Your place in queue: <strong>${position}</strong><br/>
          Estimated time until your slot: between <strong>${estimate_min}</strong> and <strong>${estimate_max}</strong>
        </p>
        <p>
          Please go to <strong><a href="https://ceremony.union.build">ceremony.union.build</a></strong>, log in, and follow all steps on the page.<br/>
          If you do not follow all steps by the time your contribution slot arrives, <strong>you will lose your slot</strong>.
        </p>
      `,
    }),
  })
  return new Response(JSON.stringify(data), {
    status: res.status,
    headers: {
      "Content-Type": "application/json",
    },
  })
}

Deno.serve(handler)