src/app/api/customers/route.ts

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

import { requireApiUser } from "@/server/auth/session";
import {
  createCustomer,
  listCustomers,
  normalizeCustomerListFilters,
} from "@/server/customers/service";
import { createRouteErrorResponse } from "@/server/errors";
import {
  customerListQuerySchema,
  customerSchema,
} from "@/server/validation/customer";

export async function GET(request: NextRequest) {
  try {
    const user = await requireApiUser();
    const query = customerListQuerySchema.parse(
      Object.fromEntries(request.nextUrl.searchParams.entries()),
    );
    const filters = normalizeCustomerListFilters(query);
    const result = await listCustomers(user.id, filters);

    return NextResponse.json({
      ...result,
      filters,
    });
  } catch (error) {
    return createRouteErrorResponse(error);
  }
}

export async function POST(request: Request) {
  try {
    const user = await requireApiUser();
    const body = customerSchema.parse(await request.json());
    const customer = await createCustomer(user.id, body);

    return NextResponse.json({ customer }, { status: 201 });
  } catch (error) {
    return createRouteErrorResponse(error);
  }
}