import { readFileSync } from 'node:fs';
import { join } from 'node:path';
import { describe, expect, it } from 'vitest';
import { advancementsFileToEvents, statsFileToEvent } from '../src/parsers/vanilla.ts';

const fx = (p: string) => readFileSync(join(import.meta.dirname, 'fixtures', p), 'utf8');
const ALICE = '308a693c-2bd8-4d6b-8790-670aef5be601';

describe('statsFileToEvent', () => {
  it('stats file maps play_time', () => {
    const e = statsFileToEvent(ALICE, fx(`stats/${ALICE}.json`), 1760300000000);
    expect(e.type).toBe('stats_snapshot');
    if (e.type !== 'stats_snapshot') return;
    expect(e.full).toBe(true);
    expect(e.ts).toBe(1760300000000);
    expect(e.name).toBeNull();
    expect(e.stats['minecraft:custom']?.['minecraft:play_time']).toBe(1175736);
    expect(e.stats['minecraft:mined']?.['mekanism:enrichment_chamber']).toBe(2);
  });

  it('id stable for same content', () => {
    const a = statsFileToEvent(ALICE, fx(`stats/${ALICE}.json`), 1);
    const b = statsFileToEvent(ALICE, fx(`stats/${ALICE}.json`), 1);
    const c = statsFileToEvent(ALICE, fx(`stats/${ALICE}.json`), 2);
    expect(a.id).toBe(b.id);
    expect(a.id).not.toBe(c.id);
  });
});

describe('advancementsFileToEvents', () => {
  it('emits done, non-recipe advancements with earliest criterion time', () => {
    const events = advancementsFileToEvents(ALICE, fx(`advancements/${ALICE}.json`));
    const ids = events.map((e) => (e.type === 'advancement' ? e.advancementId : ''));
    expect(ids.sort()).toEqual(['minecraft:story/enter_the_nether', 'minecraft:story/root']);
    const nether = events.find((e) => e.type === 'advancement' && e.advancementId === 'minecraft:story/enter_the_nether')!;
    expect(nether.ts).toBe(Date.parse('2026-10-12T12:42:23+02:00'));
  });
});

describe('advancement names', () => {
  it('file-derived advancements carry no name so they never overwrite the player name', () => {
    const events = advancementsFileToEvents(ALICE, fx(`advancements/${ALICE}.json`));
    expect(events.every((e) => e.type === 'advancement' && e.name === null)).toBe(true);
  });
});