from src.engine.hand import Hand
from src.engine.mahjong_tile import MahjongTile


def test_add_tile():
    """测试添加牌功能"""
    hand = Hand()
    tile1 = MahjongTile("条", 1)
    tile2 = MahjongTile("条", 2)

    hand.add_tile(tile1)
    hand.add_tile(tile1)
    hand.add_tile(tile2)
    print("\n测试添加牌功能，当前手牌:", hand)

    assert hand.get_tile_count(tile1) == 2, f"测试失败：{tile1} 应该有 2 张"
    assert hand.get_tile_count(tile2) == 1, f"测试失败：{tile2} 应该有 1 张"


def test_remove_tile():
    """测试移除牌功能"""
    hand = Hand()
    tile1 = MahjongTile("条", 1)

    hand.add_tile(tile1)
    hand.add_tile(tile1)
    hand.remove_tile(tile1)
    print("\n测试移除牌功能，移除一张 1条 后的手牌:", hand)

    assert hand.get_tile_count(tile1) == 1, f"测试失败：{tile1} 应该有 1 张"


def test_can_peng():
    """测试是否可以碰"""
    hand = Hand()
    tile1 = MahjongTile("条", 1)
    tile2 = MahjongTile("条", 2)

    hand.add_tile(tile1)
    hand.add_tile(tile1)
    print("\n测试碰功能，当前手牌:", hand)

    assert hand.can_peng(tile1) == True, f"测试失败：{tile1} 应该可以碰"
    assert hand.can_peng(tile2) == False, f"测试失败：{tile2} 不可以碰"

    print(f"可以碰 {tile1} 的牌:", hand.can_peng(tile1))
    print(f"不可以碰 {tile2} 的牌:", hand.can_peng(tile2))


def test_can_gang():
    """测试是否可以杠"""
    hand = Hand()
    tile2 = MahjongTile("条", 2)

    hand.add_tile(tile2)
    hand.add_tile(tile2)
    hand.add_tile(tile2)
    print("\n测试杠功能，当前手牌:", hand)

    assert hand.can_gang(tile2) == False, f"测试失败：{tile2} 不可以杠"

    # 添加更多牌来形成杠
    hand.add_tile(tile2)
    print("再添加一张 2条 后:", hand)

    assert hand.can_gang(tile2) == True, f"测试失败：{tile2} 应该可以杠"


def run_all_tests():
    """运行所有测试"""
    test_add_tile()
    print("测试添加牌功能通过！")

    test_remove_tile()
    print("测试移除牌功能通过！")

    test_can_peng()
    print("测试碰功能通过！")

    test_can_gang()
    print("测试杠功能通过！")

    print("\n所有测试通过！")


# 运行测试
run_all_tests()