import { describe, it, expect } from 'vitest';

describe('Project Setup', () => {
  it('should have working test infrastructure', () => {
    expect(1 + 1).toBe(2);
  });

  // Phaser requires Canvas API — verified in browser via Playwright, not in unit tests
  it.skip('should import Phaser types (browser-only)', async () => {
    const Phaser = await import('phaser');
    expect(Phaser).toBeDefined();
  });

  it('should import bitECS 0.4 API', async () => {
    const { createWorld, addEntity, addComponent, query } = await import('bitecs');
    expect(createWorld).toBeTypeOf('function');
    expect(addEntity).toBeTypeOf('function');
    expect(addComponent).toBeTypeOf('function');
    expect(query).toBeTypeOf('function');
  });

  it('should create ECS world and entities', async () => {
    const { createWorld, addEntity, addComponent, query } = await import('bitecs');

    const Position = { x: [] as number[], y: [] as number[] };
    const world = createWorld();
    const eid = addEntity(world);

    addComponent(world, eid, Position);
    Position.x[eid] = 10;
    Position.y[eid] = 20;

    const entities = query(world, [Position]);
    expect(entities).toContain(eid);
    expect(Position.x[eid]).toBe(10);
    expect(Position.y[eid]).toBe(20);
  });
});