import random
from typing import List, Tuple

from services.log import logger

from .models.buff_skin import BuffSkin

BLUE = 0.7981
BLUE_ST = 0.0699
PURPLE = 0.1626
PURPLE_ST = 0.0164
PINK = 0.0315
PINK_ST = 0.0048
RED = 0.0057
RED_ST = 0.00021
KNIFE = 0.0021
KNIFE_ST = 0.000041

# 崭新
FACTORY_NEW_S = 0
FACTORY_NEW_E = 0.0699999
# 略磨
MINIMAL_WEAR_S = 0.07
MINIMAL_WEAR_E = 0.14999
# 久经
FIELD_TESTED_S = 0.15
FIELD_TESTED_E = 0.37999
# 破损
WELL_WORN_S = 0.38
WELL_WORN_E = 0.44999
# 战痕
BATTLE_SCARED_S = 0.45
BATTLE_SCARED_E = 0.99999


CASE2ID = {
    "变革": "set_community_32",
    "反冲": "set_community_31",
    "梦魇": "set_community_30",
    "激流": "set_community_29",
    "蛇噬": "set_community_28",
    "狂牙大行动": "set_community_27",
    "裂空": "set_community_26",
    "棱彩2号": "set_community_25",
    "CS20": "set_community_24",
    "裂网大行动": "set_community_23",
    "棱彩": "set_community_22",
    "头号特训": "set_community_21",
    "地平线": "set_community_20",
    "命悬一线": "set_community_19",
    "光谱2号": "set_community_18",
    "九头蛇大行动": "set_community_17",
    "光谱": "set_community_16",
    "手套武器箱": "set_community_15",
    "伽玛2号": "set_gamma_2",
    "伽玛": "set_gamma_1",
    "幻彩3号": "set_community_12",
    "野火大行动": "set_community_11",
    "左轮武器箱": "set_community_10",
    "暗影": "set_community_9",
    "弯曲猎手": "set_community_8",
    "幻彩2号": "set_community_7",
    "幻彩": "set_community_6",
    "先锋": "set_community_5",
    "电竞2014夏季": "set_esports_iii",
    "突围大行动": "set_community_4",
    "猎杀者": "set_community_3",
    "凤凰": "set_community_2",
    "电竞2013冬季": "set_esports_ii",
    "冬季攻势": "set_community_1",
    "军火交易3号": "set_weapons_iii",
    "英勇": "set_bravo_i",
    "电竞2013": "set_esports",
    "军火交易2号": "set_weapons_ii",
    "军火交易": "set_weapons_i",
}


def get_wear(rand: float) -> str:
    """判断磨损度

    Args:
        rand (float): 随机rand

    Returns:
        str: 磨损名称
    """
    if rand <= FACTORY_NEW_E:
        return "崭新出厂"
    if MINIMAL_WEAR_S <= rand <= MINIMAL_WEAR_E:
        return "略有磨损"
    if FIELD_TESTED_S <= rand <= FIELD_TESTED_E:
        return "久经沙场"
    if WELL_WORN_S <= rand <= WELL_WORN_E:
        return "破损不堪"
    return "战痕累累"


def random_color_and_st(rand: float) -> Tuple[str, bool]:
    """获取皮肤品质及是否暗金

    Args:
        rand (float): 随机rand

    Returns:
        Tuple[str, bool]: 品质，是否暗金
    """
    if rand <= KNIFE:
        if random.random() <= KNIFE_ST:
            return ("KNIFE", True)
        return ("KNIFE", False)
    elif KNIFE < rand <= RED:
        if random.random() <= RED_ST:
            return ("RED", True)
        return ("RED", False)
    elif RED < rand <= PINK:
        if random.random() <= PINK_ST:
            return ("PINK", True)
        return ("PINK", False)
    elif PINK < rand <= PURPLE:
        if random.random() <= PURPLE_ST:
            return ("PURPLE", True)
        return ("PURPLE", False)
    else:
        if random.random() <= BLUE_ST:
            return ("BLUE", True)
        return ("BLUE", False)


async def random_skin(num: int, case_name: str) -> List[Tuple[BuffSkin, float]]:
    """
    随机抽取皮肤
    """
    color_map = {}
    for _ in range(num):
        rand = random.random()
        # 尝试降低磨损
        if rand > MINIMAL_WEAR_E:
            for _ in range(2):
                if random.random() < 0.5:
                    logger.debug(f"[START]开箱随机磨损触发降低磨损条件: {rand}")
                    if random.random() < 0.2:
                        rand /= 3
                    else:
                        rand /= 2
                    logger.debug(f"[END]开箱随机磨损触发降低磨损条件: {rand}")
                    break
        abrasion = get_wear(rand)
        logger.debug(f"开箱随机磨损: {rand} | {abrasion}")
        color, is_stattrak = random_color_and_st(rand)
        if not color_map.get(color):
            color_map[color] = {}
        if is_stattrak:
            if not color_map[color].get(f"{abrasion}_st"):
                color_map[color][f"{abrasion}_st"] = []
            color_map[color][f"{abrasion}_st"].append(rand)
        else:
            if not color_map[color].get(abrasion):
                color_map[color][f"{abrasion}"] = []
            color_map[color][f"{abrasion}"].append(rand)
    skin_list = []
    for color in color_map:
        for abrasion in color_map[color]:
            rand_list = color_map[color][abrasion]
            is_stattrak = "_st" in abrasion
            abrasion = abrasion.replace("_st", "")
            skin_list_ = await BuffSkin.random_skin(
                len(rand_list), color, abrasion, is_stattrak, case_name
            )
            skin_list += [(skin, rand) for skin, rand in zip(skin_list_, rand_list)]
    return skin_list


# M249（StatTrak™） | 等高线