import { validateExternalAuth } from "../_shared/auth.ts";
import { createClient } from "https://esm.sh/@supabase/supabase-js@2.39.0";

const corsHeaders = {
  "Access-Control-Allow-Origin": "*",
  "Access-Control-Allow-Headers":
    "authorization, x-client-info, apikey, content-type",
};

Deno.serve(async (req) => {
  if (req.method === "OPTIONS")
    return new Response("ok", { status: 200, headers: corsHeaders() });

  try {
    const authHeader = req.headers.get("Authorization");
    const supabase = createClient(
      Deno.env.get("SUPABASE_URL")!,
      Deno.env.get("SUPABASE_ANON_KEY")!,
      { global: { headers: { Authorization: authHeader! } } }
    );

    const {
      data: { user },
    } = await supabase.auth.getUser();
    if (!user) throw new Error("Unauthorized");

    const url = new URL(req.url);
    const entity_type = url.searchParams.get("entity_type");
    const entity_id = url.searchParams.get("entity_id");
    const action_type = url.searchParams.get("action_type");
    const limit = parseInt(url.searchParams.get("limit") || "50");

    let query = supabase.from("audit_actions").select("*");

    if (entity_type) query = query.eq("entity_type", entity_type);
    if (entity_id) query = query.eq("entity_id", entity_id);
    if (action_type) query = query.eq("action_type", action_type);

    const { data, error } = await query
      .order("created_at", { ascending: false })
      .limit(limit);

    if (error) throw error;

    return new Response(JSON.stringify({ success: true, data }), {
      headers: { ...corsHeaders, "Content-Type": "application/json" },
    });
  } catch (error: any) {
    return new Response(
      JSON.stringify({ success: false, error: error.message }),
      {
        status: 400,
        headers: { ...corsHeaders, "Content-Type": "application/json" },
      }
    );
  }
});