from datetime import datetime, timedelta
from functools import wraps

def addFields(measurement, tags, fields, rounded):
    # Your implementation for adding fields goes here
    pass

def addLog(measurement, tags, fields, content):
    # Your implementation for adding logs goes here
    pass

def errorHandler(func):
    @wraps(func)
    def wrapper(self, err):
        if err is not None:
            # Your error handling implementation goes here
            pass
    return wrapper

class SimpleAccumulator:
    def __init__(self, precision, on_addFields):
        self.precision = precision
        self.on_addFields = on_addFields

    def addFields(self, measurement, fields, tags, *t):
        rounded = self.getTime(t)
        self.on_addFields(measurement, tags, fields, rounded)

    def add_gauge(self, measurement, fields, tags, *t):
        rounded = self.getTime(t)
        self.on_addFields(measurement, tags, fields, rounded)

    def add_counter(self, measurement, fields, tags, *t):
        rounded = self.getTime(t)
        self.on_addFields(measurement, tags, fields, rounded)

    def addLog(self, measurement, fields, tags, content, *t):
        pass  # Implement as needed

    def add_summary(self, measurement, fields, tags, *t):
        rounded = self.getTime(t)
        self.on_addFields(measurement, tags, fields, rounded)

    def add_histogram(self, measurement, fields, tags, *t):
        rounded = self.getTime(t)
        self.on_addFields(measurement, tags, fields, rounded)

    def set_precision(self, precision):
        self.precision = precision

    @errorHandler
    def add_error(self, err):
        pass  # Implement as needed

    def getTime(self, t):
        timestamp = t[0] if t else datetime.now()
        return timestamp - timedelta(microseconds=timestamp.microsecond)  # Round to the nearest second
