// Loads the static game data and the lists of installed themes / languages.

import { buildContext } from '../engine/context.js';

async function getJson(url) {
  const response = await fetch(url);
  if (!response.ok) throw new Error(`${url}: HTTP ${response.status}`);
  return response.json();
}

export async function loadGameContext() {
  const [rules, generators, upgrades] = await Promise.all([
    getJson('data/rules.json'),
    getJson('data/generators.json'),
    getJson('data/upgrades.json'),
  ]);
  return buildContext({ rules, generators, upgrades });
}

/** [{ id, order, assets, locales }] discovered from public/themes/ by the server. */
export const fetchThemes = () => getJson('api/themes');

/** [{ code, name }] discovered from public/locales/ by the server. */
export const fetchLocales = () => getJson('api/locales');