import { NextRequest, NextResponse } from 'next/server';
import { getSession } from '@/lib/auth';
import { db, schema } from '@/lib/db';
import { eq, and } from 'drizzle-orm';

export async function GET(request: NextRequest) {
  const session = await getSession(request.cookies.get('scriba.access_token')?.value);
  if (!session) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });

  const account = await db.query.accounts.findFirst({
    where: and(
      eq(schema.accounts.userId, session.user.id),
      eq(schema.accounts.providerId, 'github')
    ),
  });

  if (!account?.accessToken) {
    return NextResponse.json({ connected: false });
  }

  // Fetch GitHub user info to confirm token is still valid
  const res = await fetch('https://api.github.com/user', {
    headers: { Authorization: `Bearer ${account.accessToken}`, Accept: 'application/vnd.github+json' },
  });

  if (!res.ok) {
    return NextResponse.json({ connected: false });
  }

  const ghUser = await res.json();
  return NextResponse.json({
    connected: true,
    login: ghUser.login,
    name: ghUser.name,
    avatar: ghUser.avatar_url,
    url: ghUser.html_url,
  });
}