import assert from 'assert';
import Tile, { Feature } from '../Tile/Tile';
import TileOnBoard from '../Tile/TileOnBoard';
import Board from './Board';

const { Road, Town, Empty } = Feature;

describe('Board', () => {
  describe('constructor', () => {
    it('Should initialize empty board with a starting tile', () => {
      const board = new Board();
      assert.strictEqual(board.tiles.length, 1);
      assert.deepStrictEqual(board.tiles[0], new TileOnBoard(Road, [Town, Road, Empty, Road]));
    });
  });

  describe('getAttachments', () => {
    it('Should correctly determine legal moves for 1-tile board', () => {
      const board = new Board();
      const attachTo = board.tiles[0];
      const tile = new Tile(Town, [Empty, Town, Empty, Town]);
      const legalMoves = board.getAttachments(tile);

      assert.strictEqual(legalMoves.length, 4);
      assert.deepStrictEqual(legalMoves[0], { side: 0, rotation: 1, attachTo, tile });
      assert.deepStrictEqual(legalMoves[1], { side: 0, rotation: 3, attachTo, tile });
      assert.deepStrictEqual(legalMoves[2], { side: 2, rotation: 0, attachTo, tile });
      assert.deepStrictEqual(legalMoves[3], { side: 2, rotation: 2, attachTo, tile });
    });
  });
});