/**
 * GET /api/gbp/locations/[id]/metrics?days=30
 */
import { NextResponse } from "next/server";
import { getCurrentUser } from "@/lib/auth";
import { prisma } from "@/lib/prisma";

export const dynamic = "force-dynamic";

export async function GET(req: Request, { params }: { params: { id: string } }) {
  const user = await getCurrentUser();
  if (!user) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  const loc = await prisma.gbpLocation.findUnique({ where: { id: params.id }, include: { brand: { include: { organization: { include: { memberships: true } } } } } });
  if (!loc) return NextResponse.json({ error: "Not found" }, { status: 404 });
  if (!loc.brand.organization.memberships.some((m) => m.userId === user.id)) return NextResponse.json({ error: "Access denied" }, { status: 403 });

  const days = Math.max(1, Math.min(365, Number(new URL(req.url).searchParams.get("days") || 30)));
  const metrics = await prisma.gbpMetric.findMany({ where: { locationId: params.id, date: { gte: new Date(Date.now() - days * 86400000) } }, orderBy: { date: "asc" } });
  return NextResponse.json({ metrics });
}
