import { getCategories, getCategoriesCached } from '$lib/server/db/category.js';
import { createPost } from '$lib/server/db/post.js';
import { getUserIDOfSession } from '$lib/server/db/user.js';
import { parseIntNull } from '$lib/util.js';
import { error, redirect } from '@sveltejs/kit';

export async function load({ cookies }) {
  if (!cookies.get('token')) {
    redirect(302, '/register');
  }

  const categories = await getCategories();

  return {
    categories: Array(...categories.values())
  };
}

/** @type {import('@sveltejs/kit').Action} */
async function POST({ request, cookies }) {
  if (request.method !== 'POST') {
    return;
  }

  const userToken = cookies.get('token');

  if (!userToken) {
    error(401, 'Need to be logged in!');
  }

  const data = await request.formData();
  const categoryId = parseIntNull(data.get('category')?.toString());
  const name = data.get('name')?.toString();
  const content = data.get('content')?.toString();

  if (!categoryId) {
    error(400, `Invalid category ID ${categoryId}`);
  }

  if (!name || !content) {
    error(400, `Not all fields have been filled out`);
  }

  const category = (await getCategoriesCached([categoryId])).get(categoryId);

  if (!category) {
    error(400, `Invalid category ID ${categoryId}`);
  }

  const result = await createPost(userToken, category, name, content);

  if ('error' in result) {
    
  } else {
    redirect(303, `/posts/${result.result}`);
  }
}

export const actions = {
  default: POST,
};