# -*- coding: utf-8 -*-
# !/usr/bin/env python

class BucketFullException(Exception):
    def __init__(self, identity, rate, remaining_time):
        error = "Bucket for {identity} with Rate {rate} is already full".format(
            identity = identity, rate = rate)

        self.meta_info = {
            "error": error,
            "identity": identity,
            "rate": str(rate),
            "remaining_time": remaining_time,
        }
        super(BucketFullException, self).__init__(error)


class InvalidParams(Exception):
    def __init__(self, param_name):
        self.message = "Parameters missing or invalid:{param_name}".format(param_name = param_name)
        super(InvalidParams, self).__init__(self.message)


class ImmutableClassProperty(Exception):
    def __init__(self, class_instance, prop):
        """Mutating class property is forbidden"""
        self.message = "{class_instance}.{prop} must not be mutated".format(
            class_instance = class_instance, prop = prop)
        super(ImmutableClassProperty, self).__init__(self.message)