// Headless sim harness. Runs the real physics in Node — no browser, no
// canvas, no module-cache games. Deterministic and fast.
//
//   node test/harness.mjs
//
// Stubs only the things that touch the DOM (audio + gamepad rumble).

import { CFG } from '../src/config.js';

// ---- stub the browser bits before anything imports them ----
globalThis.window = globalThis;
globalThis.addEventListener = () => {};
// node 26 has a getter-only navigator — patch the method onto it instead
if (!globalThis.navigator) {
  Object.defineProperty(globalThis, 'navigator', { value: {}, configurable: true });
}
if (!globalThis.navigator.getGamepads) {
  try { globalThis.navigator.getGamepads = () => []; }
  catch { Object.defineProperty(globalThis, 'navigator', { value: { getGamepads: () => [] }, configurable: true }); }
}

const { World } = await import('../src/world.js');
const { Camera } = await import('../src/camera.js');
const { step } = await import('../src/physics.js');
const { Radicals } = await import('../src/radicals.js');
const { Input } = await import('../src/input.js');
const { ROOMS } = await import('../src/rooms.data.js');
const { seedRandom } = await import('../src/util.js');

export function makeWorld(seed = 1234) {
  seedRandom(seed);          // reproducible runs — the storm is seeded
  const cam = new Camera();
  const w = new World(cam);
  Input.usingGamepad = false;
  Input.grab = false;
  Input.moveX = Input.moveY = 0;
  Input.mouseWorld = { x: -9999, y: -9999 };
  return w;
}

export function sim(w, seconds) {
  const n = Math.round(seconds / CFG.DT);
  for (let i = 0; i < n; i++) tick(w);
}

export function tick(w) {
  w.molly.resolveAim();
  w.handleVerbs();
  w.molly.move(CFG.DT);
  step(w, CFG.DT);
  w.update(CFG.DT);
}

export function aimAt(w, x, y) {
  Input.mouseWorld = { x, y };
  w.molly.resolveAim();
}

export { CFG, World, Camera, Radicals, Input, ROOMS, step, seedRandom };

// ---------------------------------------------------------------
// tiny assert lib
// ---------------------------------------------------------------
let pass = 0, fail = 0;
const fails = [];

export function check(name, cond, detail = '') {
  if (cond) { pass++; console.log(`  \x1b[32m✓\x1b[0m ${name}${detail ? '  ' + detail : ''}`); }
  else { fail++; fails.push(name); console.log(`  \x1b[31m✗\x1b[0m ${name}${detail ? '  ' + detail : ''}`); }
}

export function section(t) { console.log(`\n\x1b[1m${t}\x1b[0m`); }

export function report() {
  console.log(`\n${fail === 0 ? '\x1b[32m' : '\x1b[31m'}${pass} passed, ${fail} failed\x1b[0m`);
  if (fails.length) console.log('failed: ' + fails.join(', '));
  return fail === 0;
}