import { describe, expect, it } from 'vitest';
import type { Package } from '@tts/bgm';
import { expandSetupValue, seedFromSetup } from './setup.js';

const pkg: Package = {
  meta: { id: 'harbor' },
  parts: new Map([
    ['token#wood', { type: 'token', id: 'wood' }],
    ['token#grain', { type: 'token', id: 'grain' }],
    ['card#fleet', { type: 'card', id: 'fleet' }],
  ]),
  surfaces: new Map([
    ['board#harbor', { type: 'board', id: 'harbor', layout: [] }],
    ['hud#hand', { type: 'hud', id: 'hand', layout: [] }],
  ]),
  setups: new Map(),
};

describe('expandSetupValue', () => {
  it('keeps a full part id', () => {
    expect(expandSetupValue(pkg, 'harbor:card#fleet')).toEqual(['harbor:card#fleet']);
  });

  it('expands a bare type to all parts of that type', () => {
    expect(expandSetupValue(pkg, 'harbor:token')).toEqual(['harbor:token#wood', 'harbor:token#grain']);
  });

  it('expands each entry of a list', () => {
    expect(expandSetupValue(pkg, ['harbor:card#fleet', 'harbor:token'])).toEqual([
      'harbor:card#fleet',
      'harbor:token#wood',
      'harbor:token#grain',
    ]);
  });
});

describe('seedFromSetup', () => {
  it('enables listed surfaces and places parts', () => {
    const setup = {
      type: 'game',
      id: 'main',
      surfaces: ['board#harbor'],
      setup: { '/deck': 'harbor:card#fleet' },
    };
    const state = seedFromSetup(pkg, setup);
    expect(state.surfaces).toEqual({ 'board#harbor': true });
    expect(state.paths).toEqual({ '/deck': ['harbor:card#fleet'] });
  });

  it('enables all surfaces when omitted', () => {
    const setup = { type: 'game', id: 'main', setup: {} };
    const state = seedFromSetup(pkg, setup);
    expect(state.surfaces).toEqual({ 'board#harbor': true, 'hud#hand': true });
  });
});