import { NextRequest, NextResponse } from "next/server";
import { createClient } from "@/lib/supabase/server";

export async function GET(req: NextRequest) {
  const supabase = await createClient();
  const { data: { user } } = await supabase.auth.getUser();

  if (!user) {
    return NextResponse.json({ error: "Not authenticated" }, { status: 401 });
  }

  const url = new URL(req.url);
  const limit = Math.min(parseInt(url.searchParams.get("limit") || "20"), 100);
  const offset = parseInt(url.searchParams.get("offset") || "0");

  const { data: analyses, count, error } = await supabase
    .from("analyses")
    .select("*", { count: "exact" })
    .eq("user_id", user.id)
    .order("created_at", { ascending: false })
    .range(offset, offset + limit - 1);

  if (error) {
    return NextResponse.json({ error: error.message }, { status: 500 });
  }

  return NextResponse.json({
    analyses: analyses || [],
    total: count || 0,
    limit,
    offset,
  });
}