"""炼金系统游戏模块"""
import random
import time
import logging
from datetime import datetime
from games.base import BaseGame
from utils.parser import CommandParser
from core.database import get_db
from typing import *

logger = logging.getLogger(__name__)


class AlchemyGame(BaseGame):
    """炼金系统游戏"""
    
    def __init__(self):
        """初始化游戏"""
        super().__init__()
        self.db = get_db()
        
        # 奖品池配置 - 确保数学期望等于消耗积分
        self.prize_pool: List[Tuple[int, str, float, str]] = [
            # (权重, 类型, 倍率, 描述)
            (500, "penalty", 0, "炼金失败"),    
            (100, "penalty", -1, "炼金爆炸"),  
            (100, "points", 0.1, "少量积分"),       
            (390, "points", 0.5, "少量积分"),        
            (500, "points", 1, "等值积分"),      
            (390, "points", 2, "丰厚积分"),      
            (200, "points", 5, "丰厚积分"),    
            (9, "points", 10, "🌟 巨额积分"),   
            (1, "points", 100, "💎 传说积分"),  
        ]

        self.total_weight: int = 0
        for weight,_,_,_ in self.prize_pool:
            self.total_weight += weight
    
    async def handle(self, command: str, chat_id: int, user_id: int) -> str:
        """处理炼金相关指令
        
        Args:
            command: 指令，如 ".alchemy", ".alchemy 10", ".alchemy stats"
            chat_id: 会话ID
            user_id: 用户ID
            
        Returns:
            回复消息
        """
        try:
            # 提取参数
            _, args = CommandParser.extract_command_args(command)
            args = args.strip().lower()
            
            
            # 炼金说明
            if args in ['help', '帮助', 'info']:
                return self._get_alchemy_help()
            
            # 默认：炼金抽奖
            else:
                # 解析消耗积分数量
                cost_points = 10  # 默认消耗10积分
                if args.isdigit():
                    cost_points = int(args)
                
                return self._perform_alchemy(user_id, cost_points)
            
        except Exception as e:
            logger.error(f"处理炼金指令错误: {e}", exc_info=True)
            return f"❌ 处理指令出错: {str(e)}"
    
    def _perform_alchemy(self, user_id: int, cost_points: int) -> str:
        """执行炼金抽奖
        
        Args:
            user_id: 用户ID
            cost_points: 消耗积分
            
        Returns:
            抽奖结果消息
        """
        # 检查用户是否正在冒险中
        state = self.db.get_game_state(0, user_id, 'adventure')
        if state:
            try:
                state_data = state['state_data']
                start_time = state_data.get('start_time', 0)
                cost_time = state_data.get('cost_time', 1)
                current_time = int(time.time())
                end_time = start_time + cost_time * 60
                remaining_seconds = end_time - current_time
                
                # 如果冒险已完成，提示用户先回收奖励，不允许炼金
                if remaining_seconds <= 0:
                    return f"❌ 你有待回收的冒险奖励！\n\n💡 请先使用 `.adventure` 回收冒险奖励后再进行炼金。"
                else:
                    # 冒险未完成，返回错误提示
                    remaining_minutes = remaining_seconds // 60
                    remaining_secs = remaining_seconds % 60
                    
                    if remaining_minutes > 0:
                        wait_msg = f"{remaining_minutes} 分 {remaining_secs} 秒"
                    else:
                        wait_msg = f"{remaining_secs} 秒"
                    
                    return f"❌ 冒险进行中，无法进行炼金！\n\n还需等待 **{wait_msg}** 才能完成冒险。\n\n💡 提示：冒险期间无法进行炼金，请先完成冒险！"
            except Exception as e:
                # 状态数据异常，删除损坏状态，允许继续
                logger.error(f"冒险状态数据异常: {e}", exc_info=True)
                self.db.delete_game_state(0, user_id, 'adventure')
        
        # 检查用户积分是否足够
        user_points = self.db.get_user_points(user_id)
        if user_points['points'] < cost_points:
            return f"❌ 积分不足！需要 {cost_points} 积分，当前可用 {user_points['points']} 积分"
        
        # 选择奖品池
        prize_pool = self.prize_pool
        
        # 执行抽奖
        reward = self._draw_prize(prize_pool)
        reward_points = int(reward['value']*cost_points)
        
        # 消费积分
        if not self.db.consume_points(user_id, cost_points, "alchemy", f"炼金抽奖消耗"):
            return "❌ 积分消费失败，请稍后重试"
        
        # 处理奖励
        if reward['type'] == 'points' and reward['value'] > 0:
            # 获得积分奖励
            self.db.add_points(user_id, reward_points, "alchemy", f"炼金奖励")
        elif reward['type'] == 'penalty' and reward['value'] < 0:
            # 负面奖励（扣分）
            penalty_points = abs(reward_points)
            self.db.consume_points(user_id, penalty_points, "alchemy", f"炼金失败")
        
        # 炼金系统已简化，不再记录历史
        
        # 获取更新后的积分信息
        updated_points = self.db.get_user_points(user_id)
        
        # 格式化输出
        text = f"## ⚗️ 炼金结果\n\n"
        text += f"**消耗积分**：{cost_points} 分\n\n"
        
        if reward['type'] == 'points':
            text += f"**{reward['description']}**: 获得{reward_points} 积分\n\n"
        elif reward['type'] == 'penalty':
            text += f"**{reward['description']}**: 损失 {abs(reward_points)} 积分\n\n"
        
        text += f"**当前积分**：{updated_points['points']} 分\n\n"
        text += "---\n\n"
        text += "💡 提示：炼金有风险，投资需谨慎！"
        
        return text
    
    def _draw_prize(self, prize_pool: list) -> dict:
        """从奖品池中抽取奖品
        
        Args:
            prize_pool: 奖品池
            
        Returns:
            奖品信息
        """
        # 生成随机数
        rand = random.random()*self.total_weight
        cumulative_prob = 0.0
        
        for weight, reward_type, reward_value, description in prize_pool:
            cumulative_prob += weight
            if rand <= cumulative_prob:
                return {
                    'type': reward_type,
                    'value': reward_value,
                    'description': description
                }
        
        # 兜底返回第一个奖品
        return {
            'type': prize_pool[0][1],
            'value': prize_pool[0][2],
            'description': prize_pool[0][3]
        }
    
    def _get_alchemy_help(self) -> str:
        """获取炼金帮助信息
        
        Returns:
            帮助信息消息
        """
        text = f"## ⚗️ 炼金系统\n\n"
        text += f"### 基础用法\n"
        text += f"- `.alchemy` - 消耗10积分进行炼金\n"
        text += f"- `.alchemy cost` - 消耗cost积分进行炼金, 最少1积分\n"
        
        text += f"### 其他功能\n"
        text += f"- `.alchemy help` - 查看帮助\n\n"
        
        return text
    
    def get_help(self) -> str:
        """获取帮助信息"""
        return self._get_alchemy_help()