import test from 'node:test';
import assert from 'node:assert/strict';
import { FlappyGame, FlappyService } from '../src/commands/flappy.js';
import { PongGame, PongService } from '../src/commands/pong.js';

test('flappy engine advances deterministically', () => {
  const game = new FlappyGame(() => 0);
  game.tick(true);
  assert.equal(game.y, 4.35);
  for (let i = 0; i < 4; i++) game.tick(false);
  assert.ok(game.y > 3 && game.y < 4, 'one flap should create a modest arc');
  assert.match(game.render(), /Score: 0/);
});

test('pong engine moves paddles and ball', () => {
  const game = new PongGame(false); const x = game.ballX;
  game.tick('left', 'up');
  assert.equal(game.leftY, 3);
  assert.equal(game.ballX, x - 1);
});

test('pong bot can miss when its reaction is delayed', () => {
  const game = new PongGame(true, () => 0);
  game.ballY = 0; game.rightY = 6;
  game.tick('left', 'stay');
  assert.equal(game.rightY, 6);
});

test('live flappy consumes Space and exits on q', () => {
  let handler; let finished = ''; let writes = 0;
  const service = new FlappyService({ addScore() {}, getLeaderboard() { return []; }, getPlayerBest() { return 0; } });
  const ctx = { username: 'visitor', channel: { destroyed: false, write() { writes++; } }, tui: {
    setInputHandler(value) { handler = value; }, finishLive(value) { finished = value; }
  } };
  assert.equal(service.start(ctx), '__LIVE__');
  assert.equal(typeof handler, 'function');
  const initialWrites = writes; handler('   ');
  assert.equal(writes, initialWrites, 'key repeat must not advance extra physics frames');
  handler('q');
  assert.match(finished, /exited/);
});

test('live flappy accepts restart after game over', () => {
  let handler; let writes = 0;
  const service = new FlappyService({ addScore() {}, getLeaderboard() { return []; }, getPlayerBest() { return 0; } });
  const ctx = { username: 'visitor', channel: { destroyed: false, write() { writes++; } }, tui: {
    setInputHandler(value) { handler = value; }, finishLive() {}
  } };
  service.start(ctx);
  const before = writes;
  const state = service.live.get(ctx);
  state.game.over = true;
  handler('r');
  assert.notEqual(service.live.get(ctx).game, state.game);
  assert.ok(writes > before);
  handler('q');
});

test('live pong consumes arrow keys and exits on q', () => {
  let handler; let finished = '';
  const service = new PongService({ addScore() {}, getLeaderboard() { return []; }, getPlayerBest() { return 0; } });
  const ctx = { username: 'visitor', channel: { destroyed: false, write() {} }, tui: {
    setInputHandler(value) { handler = value; }, finishLive(value) { finished = value; }
  } };
  assert.equal(service.start(ctx, 'bot'), '__LIVE__');
  handler('\x1b[A'); handler('\x1b[B'); handler('q');
  assert.match(finished, /left/);
});