import assert from 'node:assert/strict';
import { buildBattleLayout } from '../src/data/battle-layout.js';

const battle = {
  rounds: [
    { matches: [
      { id: 'R1A', aPlayer: 'A', bPlayer: 'B', winner: 'A' },
      { id: 'R1B', aPlayer: 'C', bPlayer: 'D', winner: 'C' },
      { id: 'R1C', aPlayer: 'E', bPlayer: 'F', winner: 'E' },
      { id: 'R1D', aPlayer: 'G', bPlayer: 'H', winner: 'G' },
    ] },
    { matches: [
      { id: 'R2A', aPlayer: 'A', bPlayer: 'E', winner: 'A' },
      { id: 'R2B', aPlayer: 'C', bPlayer: 'G', winner: 'G' },
    ] },
    { matches: [{ id: 'FINAL', aPlayer: 'A', bPlayer: 'G', winner: 'A' }] },
  ],
};

const layout = buildBattleLayout(battle);
assert.equal(layout.lastRoundIndex, 2);
assert.deepEqual(layout.sources.get('FINAL'), { aFrom: 'R2A', bFrom: 'R2B' });
assert.deepEqual(layout.sources.get('R2A'), { aFrom: 'R1A', bFrom: 'R1C' });
assert.deepEqual([...layout.sides.left].sort(), ['R1A', 'R1C', 'R2A']);
assert.deepEqual([...layout.sides.right].sort(), ['R1B', 'R1D', 'R2B']);

const explicit = buildBattleLayout({ rounds: [
  { matches: [{ id: 'A', winner: '' }, { id: 'B', winner: '' }] },
  { matches: [{ id: 'F', aFrom: 'A', bFrom: 'B' }] },
] });
assert.deepEqual(explicit.sources.get('F'), { aFrom: 'A', bFrom: 'B' });
assert.equal(buildBattleLayout({ rounds: [{ matches: [{ id: 'ONLY' }] }] }).lastRoundIndex, 0);

console.log('Battle 轮次和晋级来源解析通过');