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


def test_set_missing_suit():
    """测试设置缺门功能"""
    state = ChengduMahjongState()
    state.set_missing_suit(0, "条")
    assert state.missing_suits[0] == "条", "测试失败：缺门设置为 '条' 后未正确更新"
    state.set_missing_suit(1, "筒")
    assert state.missing_suits[1] == "筒", "测试失败：缺门设置为 '筒' 后未正确更新"
    state.set_missing_suit(2, "万")
    assert state.missing_suits[2] == "万", "测试失败：缺门设置为 '万' 后未正确更新"

    try:
        state.set_missing_suit(0, "花")
    except ValueError:
        print("测试通过：设置无效缺门 '花' 抛出异常")
    else:
        raise AssertionError("测试失败：设置无效缺门 '花' 未抛出异常")


def test_can_win_with_pure_sequences():
    """测试纯顺子胡牌"""
    hand = Hand()
    # 添加牌到手牌中
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 7))
    hand.add_tile(MahjongTile("筒", 8))
    hand.add_tile(MahjongTile("筒", 9))
    hand.add_tile(MahjongTile("万", 3))
    hand.add_tile(MahjongTile("万", 4))
    hand.add_tile(MahjongTile("万", 5))

    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置缺门为 "条"，因为手牌中没有 "条"
    missing_suit = "条"
    print(f"\n,state.hand[0]: {state.hands[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], missing_suit) == True, "测试失败：纯顺子应该可以胡牌"


def test_can_win_with_sequence_and_triplet():
    """测试顺子 + 刻子胡牌"""
    hand = Hand()
    # 添加牌到手牌中
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("万", 3))
    hand.add_tile(MahjongTile("万", 4))
    hand.add_tile(MahjongTile("万", 5))
    hand.add_tile(MahjongTile("万", 7))
    hand.add_tile(MahjongTile("万", 8))
    hand.add_tile(MahjongTile("万", 9))

    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置缺门为 "条"，因为手牌中没有 "条"
    missing_suit = "条"
    print(f"\n,state.hand[0]: {state.hands[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], missing_suit) == True, "测试失败：顺子 + 刻子应该可以胡牌"

def test_can_win_with_triplets_and_pair():
    """测试刻子和对子胡牌"""
    hand = Hand()
    hand.add_tile(MahjongTile("条", 1))
    hand.add_tile(MahjongTile("条", 2))
    hand.add_tile(MahjongTile("条", 3))
    hand.add_tile(MahjongTile("条", 1))
    hand.add_tile(MahjongTile("条", 2))
    hand.add_tile(MahjongTile("条", 3))
    hand.add_tile(MahjongTile("条", 1))
    hand.add_tile(MahjongTile("条", 2))
    hand.add_tile(MahjongTile("条", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 4))

    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置缺门为 "万"，因为手牌中没有 "万"
    missing_suit = "万"
    print(f"\n,state.hand[0]: {state.hands[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], missing_suit) == True, "测试失败：刻子和对子应该可以胡牌"


def test_can_win_with_pure_one_suit():
    """测试清一色不带杠胡牌"""
    hand = Hand()
    # 添加牌到手牌中
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 7))
    hand.add_tile(MahjongTile("筒", 8))
    hand.add_tile(MahjongTile("筒", 9))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 9))
    hand.add_tile(MahjongTile("筒", 9))

    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置缺门为 "万"，因为手牌中只有 "筒"
    missing_suit = "万"
    print(f"\n,state.hand[0]: {state.hands[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], missing_suit) == True, "测试失败：清一色不带杠应该可以胡牌"