# coding=utf8
import functools

from utils.logger_util import LogUtil
import inspect

logger = LogUtil.get_logger()


def calc_kpi(func_name):
    """

    :param func_name:
    :return:
    """
    start_fmt = "-------------------开始:%s,函数名:%s-------------------"
    end_fmt = "-------------------结束:%s,函数名:%s,计算结果是:%s-------------------"
    param_value = "参数信息为:%s"
    # params = "参数分别是:%s"
    # p_values = "参数对应的值是:%s"

    def decorator(func):
        @functools.wraps(func)
        def wrapper(*args, **kw):
            logger.info(start_fmt % (func_name, func.__name__))
            param_keys = inspect.signature(func).parameters.keys()
            param_dict = dict(zip(param_keys, args))
            logger.info(param_value % param_dict)
            # logger.info(params % inspect.signature(func))

            # 单个打印 args 时 因为是不定长的参数，需要转换成集合
            # logger.info(p_values % (args,))
            func_value = func(*args, **kw)
            logger.info(end_fmt % (func_name, func.__name__, func_value))
            # logger.info(end_fmt % (kpi_name, inspect.stack()[1][3]))
            return func_value

        return wrapper

    return decorator