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


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.melds[0] = []
    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], state.melds[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
    state.melds[0] = []

    # 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], state.melds[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
    state.melds[0] = []
    # 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], state.melds[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
    state.melds[0] = []

    # 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], state.melds[0],missing_suit) == True, "测试失败：清一色不带杠应该可以胡牌"


def test_can_win_with_pure_one_suit_and_gang():
    """测试带杠的清一色胡牌"""
    hand = Hand()

    # 添加暗牌
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 7))
    hand.add_tile(MahjongTile("筒", 7))
    hand.add_tile(MahjongTile("筒", 7))
    hand.add_tile(MahjongTile("筒", 8))
    hand.add_tile(MahjongTile("筒", 8))
    hand.add_tile(MahjongTile("筒", 8))
    # 添加对子
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 2))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置明牌（杠）
    melds_list = [
        Meld(MahjongTile("筒", 9), "杠")  # 表示明杠了4张9筒
    ]
    state.melds[0] = melds_list  # 确保 state.melds[0] 是一个列表

    # 设置缺门为 "万"
    missing_suit = "万"
    print(f"\n当前手牌: {state.hands[0]}, 明牌: {state.melds[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], missing_suit), "测试失败：带杠的清一色应该可以胡牌"


def test_can_win_with_yaojiu_sequences():
    """测试带幺九的顺子胡牌"""
    hand = Hand()

    # 添加顺子和对子
    hand.add_tile(MahjongTile("条", 1))
    hand.add_tile(MahjongTile("条", 2))
    hand.add_tile(MahjongTile("条", 3))
    hand.add_tile(MahjongTile("条", 7))
    hand.add_tile(MahjongTile("条", 8))
    hand.add_tile(MahjongTile("条", 9))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 9))
    hand.add_tile(MahjongTile("筒", 9))
    hand.add_tile(MahjongTile("筒", 9))
    # 添加对子
    hand.add_tile(MahjongTile("条", 1))
    hand.add_tile(MahjongTile("条", 1))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 无明牌
    melds_list = []
    state.melds[0] = melds_list

    # 设置缺门为 "万"
    missing_suit = "万"
    print(f"\n当前手牌: {state.hands[0]}, 明牌: {state.melds[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], missing_suit), "测试失败：带幺九顺子应该可以胡牌"

def test_can_win_with_seven_pairs():
    """测试清一色七对胡牌"""
    hand = Hand()

    # 添加 7 对牌
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 7))
    hand.add_tile(MahjongTile("筒", 7))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 无明牌
    melds_list = []
    state.melds[0] = melds_list

    # 设置缺门为 "条"
    missing_suit = "条"
    print(f"\n当前手牌: {state.hands[0]}, 明牌: {state.melds[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], missing_suit), "测试失败：七对应该可以胡牌"

def test_can_win_with_dragon_seven_pairs():
    """测试带暗杠的龙七对胡牌"""
    hand = Hand()

    # 添加手牌
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))  # 暗杠
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 6))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 无明牌
    melds_list = []
    state.melds[0] = melds_list

    # 设置缺门为 "万"
    missing_suit = "万"
    print(f"\n当前手牌: {state.hands[0]}, 明牌: {state.melds[0]}")

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], missing_suit), "测试失败：带暗杠的龙七对应该可以胡牌"

def test_can_win_with_mixed_seven_pairs():
    """测试混合七对胡牌"""
    hand = Hand()

    # 添加手牌
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("条", 4))
    hand.add_tile(MahjongTile("条", 4))
    hand.add_tile(MahjongTile("条", 5))
    hand.add_tile(MahjongTile("条", 5))
    hand.add_tile(MahjongTile("条", 6))
    hand.add_tile(MahjongTile("条", 6))
    hand.add_tile(MahjongTile("条", 7))
    hand.add_tile(MahjongTile("条", 7))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 无明牌
    melds_list = []
    state.melds[0] = melds_list

    # 设置缺门为 "万"
    missing_suit = "万"

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], missing_suit), "测试失败：混合七对应该可以胡牌"


def test_can_win_after_ming_gang():
    """测试明杠后杠上开花胡牌"""
    hand = Hand()

    # 添加暗牌
    hand.add_tile(MahjongTile("条", 3))
    hand.add_tile(MahjongTile("条", 3))
    hand.add_tile(MahjongTile("条", 3))
    hand.add_tile(MahjongTile("条", 4))
    hand.add_tile(MahjongTile("条", 5))
    hand.add_tile(MahjongTile("条", 6))
    hand.add_tile(MahjongTile("条", 7))
    hand.add_tile(MahjongTile("条", 8))
    hand.add_tile(MahjongTile("条", 9))
    hand.add_tile(MahjongTile("条", 7))
    hand.add_tile(MahjongTile("条", 8))
    hand.add_tile(MahjongTile("条", 9))
    hand.add_tile(MahjongTile("万", 2))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置明牌（明杠）
    melds_list = []
    state.melds[0] = melds_list

    # 别人打出3条，明杠了3条
    state.hands[0].add_tile(MahjongTile("条", 3))
    # 设置明杠
    state.melds[0].append(Meld(MahjongTile("条", 3), "杠"))

    # 从手牌中移除明杠的牌
    for _ in range(4):
        state.hands[0].remove_tile(MahjongTile("条", 3))

    # 模拟杠上开花，自摸一张3万
    hand.add_tile(MahjongTile("万", 2))
    # 设置缺门
    state.missing_suits = "筒"

    # 打印手牌，暗牌，明牌，缺门
    state.print_game_state(0)
    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], state.missing_suits), "测试失败：明杠后杠上开花应该可以胡牌"
    print("测试通过：明杠后杠上开花胡牌成功！")

def test_qiang_gang_hu():
    """测试抢杠胡"""
    # 玩家 A 的手牌
    player_a_hand = Hand()
    player_a_hand.add_tile(MahjongTile("筒", 2))
    player_a_hand.add_tile(MahjongTile("筒", 3))
    player_a_hand.add_tile(MahjongTile("筒", 5))
    player_a_hand.add_tile(MahjongTile("筒", 6))
    player_a_hand.add_tile(MahjongTile("筒", 7))
    player_a_hand.add_tile(MahjongTile("筒", 9))
    player_a_hand.add_tile(MahjongTile("筒", 9))
    player_a_hand.add_tile(MahjongTile("万", 1))
    player_a_hand.add_tile(MahjongTile("万", 1))
    player_a_hand.add_tile(MahjongTile("万", 2))
    player_a_hand.add_tile(MahjongTile("万", 2))
    player_a_hand.add_tile(MahjongTile("万", 3))
    player_a_hand.add_tile(MahjongTile("万", 3))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = player_a_hand  # 玩家 A 的手牌
    state.missing_suits[0] = "条"  # 玩家 A 的缺门

    # 玩家 B 的明牌和手牌
    player_b_hand = Hand()
    player_b_hand.add_tile(MahjongTile("筒", 1))
    player_b_hand.add_tile(MahjongTile("筒", 1))
    player_b_hand.add_tile(MahjongTile("筒", 1))
    state.hands[1] = player_b_hand
    state.missing_suits[1] = "万"

    # 玩家 B 尝试杠 1 筒
    melds_b = [Meld(MahjongTile("筒", 1), "碰")]
    state.melds[1] = melds_b

    # 玩家 A 抢杠胡
    gang_tile = MahjongTile("筒", 1)  # 玩家 B 打出用于杠的牌
    player_a_hand.add_tile(gang_tile)
    can_qiang_gang_hu = state.can_win(player_a_hand, state.melds[0], state.missing_suits[0])

    # 打印状态
    state.print_game_state(player_index=0)  # 打印玩家 A 的状态
    state.print_game_state(player_index=1)  # 打印玩家 B 的状态

    assert can_qiang_gang_hu, "测试失败：玩家 A 应该可以抢杠胡"
    print("测试通过：抢杠胡成功！")

def test_can_win_with_big_pairs():
    """测试大对子胡牌"""
    hand = Hand()

    # 添加对子
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 4))

    # 添加刻子
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 5))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置缺门为 "条"，因为手牌和明牌中没有 "条"
    missing_suit = "条"

    # 打印当前玩家状态
    state.print_game_state(player_index=0)

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], missing_suit), "测试失败：大对子应该可以胡牌"
    print("测试通过：大对子胡牌成功！")


def test_can_win_with_small_seven_pairs():
    """测试小七对胡牌"""
    hand = Hand()

    # 添加七对
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 1))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 2))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 3))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 4))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 5))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 6))
    hand.add_tile(MahjongTile("筒", 7))
    hand.add_tile(MahjongTile("筒", 7))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand

    # 设置缺门为 "条"，因为手牌和明牌中没有 "条"
    missing_suit = "条"

    # 打印当前玩家状态
    state.print_game_state(player_index=0)

    # 调用 can_win 方法并断言胡牌
    assert state.can_win(state.hands[0], state.melds[0], missing_suit), "测试失败：小七对应该可以胡牌"
    print("测试通过：小七对胡牌成功！")

def test_can_win_with_jin_gou_diao():
    """测试金钩吊胡牌"""
    hand = Hand()

    # 添加仅剩的一张牌
    hand.add_tile(MahjongTile("筒", 3))

    # 初始化游戏状态
    state = ChengduMahjongState()
    state.hands[0] = hand
    state.melds[0] = [
        Meld(MahjongTile("筒", 8), "碰"),  # 8筒碰
        Meld(MahjongTile("筒", 7), "碰"),  # 7筒碰
        Meld(MahjongTile("筒", 9), "杠"),  # 9筒杠
        Meld(MahjongTile("筒", 3), "碰")  # 3筒碰
    ]
    # 设置缺门为 "条"，因为手牌和明牌中没有 "条"
    missing_suit = "条"

    # 打印当前玩家状态
    state.print_game_state(player_index=0)

    # 模拟别人打出一张 "筒3"，胡牌
    winning_tile = MahjongTile("筒", 3)

    state.hands[0].add_tile(winning_tile)
    # 调用 can_win 方法并断言胡牌
    can_win = state.can_win(state.hands[0], state.melds[0], missing_suit)
    assert can_win, f"测试失败：金钩吊未能胡 {winning_tile}"
    print("测试通过：金钩吊胡牌成功！")