from .base_sync import BaseSync
from loguru import logger
from typing import List, Dict
import json
import time
from datetime import datetime, timedelta

class AccountSync(BaseSync):
    """账户信息同步器"""
    
    async def sync(self):
        """同步账户信息数据"""
        try:
            # 获取所有账号
            accounts = self.get_accounts_from_redis()
            
            for k_id_str, account_info in accounts.items():
                try:
                    k_id = int(k_id_str)
                    st_id = account_info.get('st_id', 0)
                    exchange_id = account_info['exchange_id']
                    
                    if k_id <= 0 or st_id <= 0:
                        continue
                    
                    # 从Redis获取账户信息数据
                    account_data = await self._get_account_info_from_redis(k_id, st_id, exchange_id)
                    
                    # 同步到数据库
                    if account_data:
                        success = self._sync_account_info_to_db(account_data)
                        if success:
                            logger.debug(f"账户信息同步成功: k_id={k_id}")
                    
                except Exception as e:
                    logger.error(f"同步账号 {k_id_str} 账户信息失败: {e}")
                    continue
            
            logger.info("账户信息同步完成")
            
        except Exception as e:
            logger.error(f"账户信息同步失败: {e}")
    
    async def _get_account_info_from_redis(self, k_id: int, st_id: int, exchange_id: str) -> List[Dict]:
        """从Redis获取账户信息数据"""
        try:
            redis_key = f"{exchange_id}:balance:{k_id}"
            redis_funds = self.redis_client.client.hgetall(redis_key)
            
            if not redis_funds:
                return []
            
            # 按天统计数据
            from config.settings import SYNC_CONFIG
            recent_days = SYNC_CONFIG['recent_days']
            
            today = datetime.now()
            date_stats = {}
            
            # 收集所有日期的数据
            for fund_key, fund_json in redis_funds.items():
                try:
                    fund_data = json.loads(fund_json)
                    date_str = fund_data.get('lz_time', '')
                    lz_type = fund_data.get('lz_type', '')
                    
                    if not date_str or lz_type not in ['lz_balance', 'deposit', 'withdrawal']:
                        continue
                    
                    # 只处理最近N天的数据
                    date_obj = datetime.strptime(date_str, '%Y-%m-%d')
                    if (today - date_obj).days > recent_days:
                        continue
                    
                    if date_str not in date_stats:
                        date_stats[date_str] = {
                            'balance': 0.0,
                            'deposit': 0.0,
                            'withdrawal': 0.0,
                            'has_balance': False
                        }
                    
                    lz_amount = float(fund_data.get('lz_amount', 0))
                    
                    if lz_type == 'lz_balance':
                        date_stats[date_str]['balance'] = lz_amount
                        date_stats[date_str]['has_balance'] = True
                    elif lz_type == 'deposit':
                        date_stats[date_str]['deposit'] += lz_amount
                    elif lz_type == 'withdrawal':
                        date_stats[date_str]['withdrawal'] += lz_amount
                        
                except (json.JSONDecodeError, ValueError) as e:
                    logger.debug(f"解析Redis数据失败: {fund_key}, error={e}")
                    continue
            
            # 转换为账户信息数据
            account_data_list = []
            sorted_dates = sorted(date_stats.keys())
            prev_balance = 0.0
            
            for date_str in sorted_dates:
                stats = date_stats[date_str]
                
                # 如果没有余额数据但有充提数据，仍然处理
                if not stats['has_balance'] and stats['deposit'] == 0 and stats['withdrawal'] == 0:
                    continue
                
                balance = stats['balance']
                deposit = stats['deposit']
                withdrawal = stats['withdrawal']
                
                # 计算利润
                profit = balance - deposit - withdrawal - prev_balance
                
                # 转换时间戳
                date_obj = datetime.strptime(date_str, '%Y-%m-%d')
                time_timestamp = int(date_obj.timestamp())
                
                account_data = {
                    'st_id': st_id,
                    'k_id': k_id,
                    'balance': balance,
                    'withdrawal': withdrawal,
                    'deposit': deposit,
                    'other': 0.0,  # 暂时为0
                    'profit': profit,
                    'time': time_timestamp
                }
                
                account_data_list.append(account_data)
                
                # 更新前一天的余额
                if stats['has_balance']:
                    prev_balance = balance
            
            return account_data_list
            
        except Exception as e:
            logger.error(f"获取Redis账户信息失败: k_id={k_id}, error={e}")
            return []
    
    def _sync_account_info_to_db(self, account_data_list: List[Dict]) -> bool:
        """同步账户信息到数据库"""
        session = self.db_manager.get_session()
        try:
            with session.begin():
                for account_data in account_data_list:
                    try:
                        # 查询是否已存在
                        existing = session.execute(
                            select(StrategyKX).where(
                                and_(
                                    StrategyKX.k_id == account_data['k_id'],
                                    StrategyKX.st_id == account_data['st_id'],
                                    StrategyKX.time == account_data['time']
                                )
                            )
                        ).scalar_one_or_none()
                        
                        if existing:
                            # 更新
                            existing.balance = account_data['balance']
                            existing.withdrawal = account_data['withdrawal']
                            existing.deposit = account_data['deposit']
                            existing.other = account_data['other']
                            existing.profit = account_data['profit']
                        else:
                            # 插入
                            new_account = StrategyKX(**account_data)
                            session.add(new_account)
                            
                    except Exception as e:
                        logger.error(f"处理账户数据失败: {account_data}, error={e}")
                        continue
            
            return True
            
        except Exception as e:
            logger.error(f"同步账户信息到数据库失败: error={e}")
            return False
        finally:
            session.close()