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

const { North, East, South, West } = Direction;
const { Road, Town, Grass, River } = Feature;

describe('TileOnBoard', () => {
  describe('getSide', () => {
    it('Should get North, East, South and West sides correctly', () => {
      const tile = new TileOnBoard(Grass, [Road, Town, Grass, River]);

      assert.strictEqual(tile.getSide(North), Road);
      assert.strictEqual(tile.getSide(East), Town);
      assert.strictEqual(tile.getSide(South), Grass);
      assert.strictEqual(tile.getSide(West), River);
    });

    it('Should respect tile orientation', () => {
      const tile = new TileOnBoard(Grass, [Road, Town, Grass, River]);
      tile.rotate(5);

      assert.strictEqual(tile.getSide(North), River);
      assert.strictEqual(tile.getSide(East), Road);
      assert.strictEqual(tile.getSide(South), Town);
      assert.strictEqual(tile.getSide(West), Grass);
    });

    it('Should work with negative orientation', () => {
      const tile = new TileOnBoard(Grass, [Road, Town, Grass, River]);
      tile.rotate(-7);

      assert.strictEqual(tile.getSide(North), River);
      assert.strictEqual(tile.getSide(East), Road);
      assert.strictEqual(tile.getSide(South), Town);
      assert.strictEqual(tile.getSide(West), Grass);
    });
  });

  describe('getAttachments', () => {
    it('Should correclty list legal attachments', () => {
      const attachTo = new TileOnBoard(Town, [Road, Town, Town, Road])
      const tile = new TileOnBoard(Road, [Grass, Road, Road, Grass])

      const attachments = attachTo.getAttachments(tile);
      assert.strictEqual(attachments.length, 4);
      assert.deepStrictEqual(attachments[0], { side: 0, orientation: 0, tile, attachTo });
      assert.deepStrictEqual(attachments[1], { side: 0, orientation: 1, tile, attachTo });
      assert.deepStrictEqual(attachments[2], { side: 3, orientation: 0, tile, attachTo });
      assert.deepStrictEqual(attachments[3], { side: 3, orientation: 3, tile, attachTo });
    });
  });
});