import { test } from 'node:test';
import assert from 'node:assert/strict';
import { ACTIONS, comboOf, eventCombo, actionFor, format, valid } from '../src/lib/shortcuts.js';
import { cleanPrefs } from '../src/lib/prefs.js';
import { createSimulation } from '../src/lib/graph.js';

const ev = (key, mods = {}, code = '') => ({ key, code, ctrlKey: !!mods.ctrl, metaKey: !!mods.meta, altKey: !!mods.alt, shiftKey: !!mods.shift });

test('every action has a unique valid default', () => {
  const seen = new Set();
  for (const a of ACTIONS) {
    assert.ok(valid(a.combo), a.id);
    assert.ok(!seen.has(a.combo), 'duplicate ' + a.combo);
    seen.add(a.combo);
  }
});

test('key events become combos; Ctrl and ⌘ are the same Mod', () => {
  assert.equal(eventCombo(ev('k', { ctrl: true })), 'Mod+K');
  assert.equal(eventCombo(ev('K', { meta: true, shift: true })), 'Mod+Shift+K');
  assert.equal(eventCombo(ev('|', { ctrl: true, shift: true }, 'Backslash')), 'Mod+Shift+\\');
  assert.equal(eventCombo(ev('k')), '');
  assert.equal(eventCombo(ev('Control', { ctrl: true })), '');
});

test('a changed shortcut replaces the default, and only that', () => {
  const custom = { tasks: 'Mod+Shift+Y' };
  assert.equal(actionFor(ev('y', { ctrl: true, shift: true }), custom), 'tasks');
  assert.equal(actionFor(ev('t', { ctrl: true, shift: true }), custom), null);
  assert.equal(actionFor(ev('k', { ctrl: true }), custom), 'palette');
  assert.equal(comboOf('tasks', custom), 'Mod+Shift+Y');
});

test('combos are shown for the platform', () => {
  assert.equal(format('Mod+Shift+D', false), 'Ctrl ⇧ D');
  assert.equal(format('Mod+Shift+D', true), '⌘ ⇧ D');
});

test('saved shortcuts are cleaned', () => {
  assert.deepEqual(cleanPrefs({ shortcuts: { tasks: 'Mod+Shift+Y', bad: 'K', worse: 5 } }).shortcuts, { tasks: 'Mod+Shift+Y' });
  assert.deepEqual(cleanPrefs({ shortcuts: [] }).shortcuts, {});
});

test('tickFor stops at its time budget, but always ticks once', () => {
  const nodes = Array.from({ length: 4000 }, (_, i) => ({ id: 'n' + i }));
  const sim = createSimulation().setData(nodes, []);
  const a0 = sim.alpha;
  const t = performance.now();
  sim.tickFor(10000, 30);
  assert.ok(performance.now() - t < 500);
  assert.ok(sim.alpha < a0);
});