"""
系统事件日志记录脚本
记录系统运行过程中的重要事件和异常信息
"""

import sys
import os
import logging
from datetime import datetime
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from src.storage.database import db_manager
from src.storage.stock_repository import StockRepository

# 配置日志
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
logger = logging.getLogger(__name__)


def log_system_event(level, module, message, exception_type=None, exception_message=None, traceback=None, stock_code=None, data_type=None):
	"""
	记录系统事件到数据库
	
	Args:
		level: 日志级别 (INFO, WARNING, ERROR, DEBUG)
		module: 模块名称
		message: 日志消息
		exception_type: 异常类型 (可选)
		exception_message: 异常消息 (可选)
		traceback: 异常堆栈 (可选)
		stock_code: 关联股票代码 (可选)
		data_type: 数据类型 (可选)
	
	Returns:
		记录是否成功
	"""
	try:
		# 创建存储库
		repository = StockRepository(db_manager.get_session())
		
		# 创建日志记录
		log_data = {
			"log_level": level,
			"module_name": module,
			"message": message,
			"exception_type": exception_type,
			"exception_message": exception_message,
			"traceback": traceback,
			"stock_code": stock_code,
			"data_type": data_type
		}
		
		# 保存到数据库
		success = repository.save_system_log(log_data)
		
		if success:
			logger.info(f"系统事件记录成功: {level} - {module} - {message}")
		else:
			logger.error(f"系统事件记录失败: {level} - {module} - {message}")
		
		return success
		
	except Exception as e:
		logger.error(f"记录系统事件异常: {str(e)}")
		return False


def log_data_collection_start(stock_codes, data_type, source):
	"""
	记录数据采集开始事件
	
	Args:
		stock_codes: 股票代码列表
		data_type: 数据类型 (kline/financial)
		source: 数据源 (baostock/akshare)
	"""
	message = f"开始采集{data_type}数据，股票数量: {len(stock_codes)}，数据源: {source}"
	return log_system_event("INFO", "data_collection", message, stock_code=",".join(stock_codes[:5]) if stock_codes else None, data_type=data_type)


def log_data_collection_complete(stock_codes, data_type, source, success_count, error_count):
	"""
	记录数据采集完成事件
	
	Args:
		stock_codes: 股票代码列表
		data_type: 数据类型 (kline/financial)
		source: 数据源 (baostock/akshare)
		success_count: 成功数量
		error_count: 失败数量
	"""
	message = f"{data_type}数据采集完成，成功: {success_count}，失败: {error_count}，数据源: {source}"
	return log_system_event("INFO", "data_collection", message, stock_code=",".join(stock_codes[:5]) if stock_codes else None, data_type=data_type)


def log_database_operation(operation, table, affected_rows):
	"""
	记录数据库操作事件
	
	Args:
		operation: 操作类型 (insert/update/delete)
		table: 表名
		affected_rows: 影响行数
	"""
	message = f"数据库{operation}操作，表: {table}，影响行数: {affected_rows}"
	return log_system_event("INFO", "database", message)


def log_system_error(module, error_message, exception=None, stock_code=None):
	"""
	记录系统错误事件
	
	Args:
		module: 模块名称
		error_message: 错误消息
		exception: 异常对象 (可选)
		stock_code: 关联股票代码 (可选)
	"""
	if exception:
		return log_system_event("ERROR", module, error_message, 
							 exception_type=type(exception).__name__, 
							 exception_message=str(exception),
							 stock_code=stock_code)
	else:
		return log_system_event("ERROR", module, error_message, stock_code=stock_code)


def get_system_logs(level=None, module=None, start_date=None, end_date=None, limit=100):
	"""
	查询系统日志
	
	Args:
		level: 日志级别过滤 (可选)
		module: 模块名称过滤 (可选)
		start_date: 开始日期 (可选)
		end_date: 结束日期 (可选)
		limit: 返回记录数限制
	
	Returns:
		日志记录列表
	"""
	try:
		repository = StockRepository(db_manager.get_session())
		
		# 构建查询条件
		query = repository.session.query(repository.SystemLog)
		
		if level:
			query = query.filter(repository.SystemLog.log_level == level)
		
		if module:
			query = query.filter(repository.SystemLog.module_name == module)
		
		if start_date:
			query = query.filter(repository.SystemLog.created_at >= start_date)
		
		if end_date:
			query = query.filter(repository.SystemLog.created_at <= end_date)
		
		# 按时间倒序排列
		query = query.order_by(repository.SystemLog.created_at.desc())
		
		# 限制返回数量
		logs = query.limit(limit).all()
		
		logger.info(f"查询到{len(logs)}条系统日志")
		return logs
		
	except Exception as e:
		logger.error(f"查询系统日志异常: {str(e)}")
		return []


def main():
	"""
	主函数 - 测试系统日志功能
	"""
	logger.info("开始测试系统日志功能...")
	
	# 测试记录各种类型的事件
	test_events = [
		("INFO", "system", "系统启动", None, None, None, None, None),
		("INFO", "data_collection", "数据采集开始", None, None, None, "000001", "kline"),
		("ERROR", "database", "数据库连接失败", "ConnectionError", "无法连接数据库", "traceback info", None, None),
		("WARNING", "data_processing", "数据格式异常", None, None, None, "000002", "financial")
	]
	
	success_count = 0
	for event in test_events:
		if log_system_event(*event):
			success_count += 1
	
	logger.info(f"系统日志测试完成，成功记录{success_count}/{len(test_events)}条事件")
	
	# 查询并显示最近的系统日志
	logger.info("查询最近的系统日志:")
	recent_logs = get_system_logs(limit=10)
	
	for i, log in enumerate(recent_logs):
		logger.info(f"  {i+1}. [{log.log_level}] {log.module_name}: {log.message} ({log.created_at})")
	
	return success_count == len(test_events)


if __name__ == "__main__":
	# 运行测试
	success = main()
	
	if success:
		print("系统日志功能测试成功！")
		sys.exit(0)
	else:
		print("系统日志功能测试失败！")
		sys.exit(1)