import { NextResponse } from 'next/server';
import prisma from '../../../../lib/prisma';
import { getServerSession } from "next-auth/next";
import { authOptions } from "../../auth/[...nextauth]/route";

export async function GET(request: Request) {
  const session = await getServerSession(authOptions);
  if (!session) return NextResponse.json([], { status: 401 });

  const { searchParams } = new URL(request.url);
  const q = searchParams.get('q')?.trim();
  if (!q || q.length < 2) return NextResponse.json([]);

  const customers = await prisma.customer.findMany({
    where: {
      OR: [
        { companyName: { contains: q, mode: 'insensitive' } },
        { firstName: { contains: q, mode: 'insensitive' } },
        { lastName: { contains: q, mode: 'insensitive' } },
        { email: { contains: q, mode: 'insensitive' } },
      ]
    },
    select: {
      id: true,
      companyName: true,
      firstName: true,
      lastName: true,
      email: true,
    },
    take: 8,
    orderBy: { companyName: 'asc' }
  });

  return NextResponse.json(customers);
}