// ============ linkcheck.mjs — import EVERY module under a DOM stub ============
// Catches missing/misnamed exports (module linking errors) without a browser.
// Run: node tests/linkcheck.mjs
let failures = 0;

const makeCtx = () => new Proxy({}, {
  get(t, p) {
    if (p === 'canvas') return {};
    if (!(p in t)) t[p] = (...args) => makeCtx();
    const v = t[p];
    return typeof v === 'function' ? v : t[p];
  },
  set() { return true; },
});

const fakeEl = (id = '') => {
  const el = {
    id, style: {}, dataset: {}, children: [],
    classList: { add() {}, remove() {}, toggle() {}, contains: () => true },
    setAttribute() {}, getAttribute: () => null,
    addEventListener() {}, removeEventListener() {},
    appendChild(c) { el.children.push(c); }, remove() {}, click() {},
    querySelectorAll: () => [], querySelector: () => null,
    getBoundingClientRect: () => ({ left: 0, top: 0, width: 100, height: 100 }),
    getContext: () => makeCtx(),
    focus() {}, select() {},
    files: [],
    text: '',
    _innerHTML: '',
    firstChild: null,
  };
  Object.defineProperty(el, 'innerHTML', {
    get() { return el._innerHTML; },
    set(v) {
      el._innerHTML = String(v);
      if (!el._innerHTML) el.children = [];
      el.firstChild = el.children[0] ?? null;
    },
  });
  Object.defineProperty(el, 'textContent', {
    get() { return el._textContent ?? ''; },
    set(v) { el._textContent = String(v); },
  });
  let width = 300, height = 150;
  Object.defineProperty(el, 'width', { get: () => width, set: v => { width = v; } });
  Object.defineProperty(el, 'height', { get: () => height, set: v => { height = v; } });
  return el;
};

globalThis.window = globalThis;
globalThis.innerWidth = 1280;
globalThis.innerHeight = 800;
globalThis.requestAnimationFrame = () => 0;
globalThis.cancelAnimationFrame = () => {};
globalThis.addEventListener = () => {};
globalThis.removeEventListener = () => {};
globalThis.localStorage = { _m: {}, getItem(k) { return this._m[k] ?? null; }, setItem(k, v) { this._m[k] = String(v); }, removeItem(k) { delete this._m[k]; } };
globalThis.document = {
  getElementById: id => (globalThis.__els ??= {})[id] ?? ((globalThis.__els[id] = fakeEl(id))),
  createElement: tag => fakeEl(tag),
  querySelectorAll: () => [],
  querySelector: () => null,
  addEventListener() {},
  body: { appendChild() {} },
};
globalThis.AudioContext = undefined;
globalThis.Blob = class { constructor() {} };
globalThis.URL = { createObjectURL: () => 'blob:x', revokeObjectURL: () => {} };

async function load(label, path) {
  try {
    await import(path);
    console.log(`✔ ${label}`);
  } catch (e) {
    failures++;
    console.error(`✘ ${label}: ${e.message}`);
    console.error(e.stack?.split('\n').slice(1, 3).join('\n'));
  }
}

await load('core/util', '../js/core/util.js');
await load('core/config', '../js/core/config.js');
await load('core/audio', '../js/core/audio.js');
await load('world/map', '../js/world/map.js');
await load('world/path', '../js/world/path.js');
await load('game/economy', '../js/game/economy.js');
await load('game/state', '../js/game/state.js');
await load('game/guests', '../js/game/guests.js');
await load('game/staff', '../js/game/staff.js');
await load('game/rides', '../js/game/rides.js');
await load('game/coaster', '../js/game/coaster.js');
await load('game/heroes', '../js/game/heroes.js');
await load('game/magic', '../js/game/magic.js');
await load('game/research', '../js/game/research.js');
await load('game/save', '../js/game/save.js');
await load('render/renderer', '../js/render/renderer.js');
await load('ui/ui', '../js/ui/ui.js');
await load('ui/dialogs', '../js/ui/dialogs.js');
await load('ui/povui', '../js/ui/povui.js');
await load('main (full graph)', '../js/main.js');

console.log(failures ? `\n${failures} LINK FAILURES` : '\nALL MODULES LINK OK');
process.exit(failures ? 1 : 0);