import { Resend } from "resend";
import { render } from "@react-email/render";
import { InvitationEmail } from "./templates/invitation";

function getResend(): Resend {
  const key = process.env.RESEND_API_KEY;
  if (!key) throw new Error("RESEND_API_KEY is not configured");
  return new Resend(key);
}

export async function sendMagicLinkEmail({
  email,
  url,
  token: _token,
}: {
  email: string;
  url: string;
  token: string;
}): Promise<void> {
  const { error } = await getResend().emails.send({
    from: process.env.EMAIL_FROM ?? "CubeAdmin <noreply@example.com>",
    to: email,
    subject: "Your CubeAdmin sign-in link",
    html: `<p>Click the link below to sign in to CubeAdmin. This link expires in 1 hour.</p><p><a href="${url}">${url}</a></p>`,
  });

  if (error) throw new Error(`Failed to send magic link email: ${error.message}`);
}

export async function sendInvitationEmail({
  to,
  invitedByName,
  inviteUrl,
  role,
}: {
  to: string;
  invitedByName: string;
  inviteUrl: string;
  role: string;
}): Promise<void> {
  const html = await render(
    InvitationEmail({ invitedByName, inviteUrl, role }),
  );

  const { error } = await getResend().emails.send({
    from: process.env.EMAIL_FROM ?? "CubeAdmin <noreply@example.com>",
    to,
    subject: `You've been invited to CubeAdmin`,
    html,
  });

  if (error) throw new Error(`Failed to send email: ${error.message}`);
}