import type { RequestHandler } from './$types';
import { json, error } from '@sveltejs/kit';
import { z } from 'zod';
import { getDb } from '$lib/server/db';
import { addComment, deleteComment, listComments } from '$lib/server/recipes/actions';

const Schema = z.object({
  profile_id: z.number().int().positive(),
  text: z.string().min(1).max(2000)
});

const DeleteSchema = z.object({ comment_id: z.number().int().positive() });

function parseId(raw: string): number {
  const id = Number(raw);
  if (!Number.isInteger(id) || id <= 0) error(400, { message: 'Invalid id' });
  return id;
}

export const GET: RequestHandler = async ({ params }) => {
  const id = parseId(params.id!);
  return json(listComments(getDb(), id));
};

export const POST: RequestHandler = async ({ params, request }) => {
  const id = parseId(params.id!);
  const body = await request.json().catch(() => null);
  const parsed = Schema.safeParse(body);
  if (!parsed.success) error(400, { message: 'Invalid body' });
  const cid = addComment(getDb(), id, parsed.data.profile_id, parsed.data.text);
  return json({ id: cid }, { status: 201 });
};

export const DELETE: RequestHandler = async ({ request }) => {
  const body = await request.json().catch(() => null);
  const parsed = DeleteSchema.safeParse(body);
  if (!parsed.success) error(400, { message: 'Invalid body' });
  deleteComment(getDb(), parsed.data.comment_id);
  return json({ ok: true });
};