import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/app/db/drizzle';
import { domains, emails } from '@/app/db/schema';
import { authenticate } from '@/app/lib/utils';
import { eq, sql } from 'drizzle-orm';

export async function GET(req: NextRequest) {
  if (!authenticate(req)) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });

  const { searchParams } = new URL(req.url);
  const bucket = searchParams.get('bucket');
  const mailbox = searchParams.get('mailbox')?.toLowerCase();
  if (!bucket || !mailbox) return NextResponse.json({ error: 'Missing params' }, { status: 400 });

  const [domain] = await db.select().from(domains).where(eq(domains.bucket, bucket));
  if (!domain) return NextResponse.json({ error: 'Domain not found' }, { status: 404 });

  const emailList = await db.select({
    key: emails.s3Key,
    subject: emails.subject,
    date: emails.date,
    processed: emails.processed,
    processedAt: emails.processedAt,
    processedBy: emails.processedBy,
    queuedTo: emails.queuedTo,
    status: emails.status,
  }).from(emails).where(sql`${mailbox} = ANY(${emails.to}) AND ${emails.domainId} = ${domain.id}`);

  return NextResponse.json(emailList.map(e => ({ 
    key: e.key, 
    subject: e.subject, 
    date: e.date?.toISOString(), 
    processed: e.processed ? 'true' : 'false',
    processedAt: e.processedAt?.toISOString() || null,
    processedBy: e.processedBy,
    queuedTo: e.queuedTo,
    status: e.status,
  })));
}