import { NextRequest, NextResponse } from "next/server";
import { Resend } from "resend";

const resend = new Resend(process.env.RESEND_API_KEY);

export async function POST(req: NextRequest) {
  try {
    const { email, name } = await req.json();

    if (!email) {
      return NextResponse.json({ error: "Email required" }, { status: 400 });
    }

    const { data, error } = await resend.emails.send({
      from: "ClauseGuard <welcome@clauseguardweb.netlify.app>",
      to: [email],
      subject: "Welcome to ClauseGuard",
      html: `
        <div style="font-family:system-ui,sans-serif;max-width:480px;margin:0 auto;padding:40px 20px;">
          <h1 style="font-size:20px;font-weight:600;color:#18181b;margin:0 0 16px;">Welcome to ClauseGuard${name ? `, ${name}` : ""}</h1>
          <p style="font-size:14px;color:#52525b;line-height:1.6;margin:0 0 24px;">
            You now have a tool that reads the fine print for you. Here is what you can do:
          </p>
          <ul style="font-size:14px;color:#52525b;line-height:1.8;padding-left:20px;margin:0 0 24px;">
            <li>Install the Chrome extension to scan pages as you browse</li>
            <li>Use the web scanner to paste and analyze any document</li>
            <li>Get a risk score and grade for every Terms of Service you encounter</li>
          </ul>
          <a href="https://clauseguardweb.netlify.app/dashboard-pages/analyze" 
             style="display:inline-block;background:#18181b;color:#fff;padding:10px 20px;border-radius:6px;text-decoration:none;font-size:14px;font-weight:500;">
            Scan your first document
          </a>
          <p style="font-size:12px;color:#a1a1aa;margin-top:32px;border-top:1px solid #f4f4f5;padding-top:16px;">
            You are receiving this because you signed up at clauseguardweb.netlify.app.
          </p>
        </div>
      `,
    });

    if (error) {
      return NextResponse.json({ error: error.message }, { status: 500 });
    }

    return NextResponse.json({ id: data?.id });
  } catch (error) {
    console.error("Email error:", error);
    return NextResponse.json({ error: "Failed to send email" }, { status: 500 });
  }
}