import { NextRequest, NextResponse } from "next/server";
import { z } from "zod";
import { db, webhooks, webhookDeliveries, eq, and } from "@epicure/db";
import { requireSession } from "@/lib/api-auth";
import { dispatchWebhook, type WebhookEvent } from "@/lib/webhooks";

const Schema = z.object({ deliveryId: z.string().uuid() });

type Params = { params: Promise<{ id: string }> };

export async function POST(req: NextRequest, { params }: Params) {
  const { session, response } = await requireSession();
  if (response) return response;

  const { id } = await params;

  const hook = await db.query.webhooks.findFirst({
    where: and(eq(webhooks.id, id), eq(webhooks.userId, session!.user.id)),
    columns: { id: true },
  });
  if (!hook) return NextResponse.json({ error: "Not found" }, { status: 404 });

  const body = Schema.safeParse(await req.json());
  if (!body.success) return NextResponse.json({ error: "Validation error", issues: body.error.issues }, { status: 400 });

  const delivery = await db.query.webhookDeliveries.findFirst({
    where: and(
      eq(webhookDeliveries.id, body.data.deliveryId),
      eq(webhookDeliveries.webhookId, id)
    ),
  });
  if (!delivery) return NextResponse.json({ error: "Delivery not found" }, { status: 404 });

  void dispatchWebhook(
    session!.user.id,
    delivery.event as WebhookEvent,
    (delivery.payload ?? {}) as object
  );

  return NextResponse.json({ ok: true });
}