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

#
# Copyright (c) 2016 MasterCard International Incorporated
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
# Redistributions in binary form must reproduce the above copyright notice, this list of
# conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
# Neither the name of the MasterCard International Incorporated nor the names of its
# contributors may be used to endorse or promote products derived from this software
# without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

from builtins import object
from mastercardapicore import Environment
from mastercardapicore import Config

class ResourceConfig(object):
    """
    Configurable Resouces so that we can point to different environments
    """
    override = None
    host = None
    context = None
    environmentMap = Environment.mapping
    __initialized = False
    __instance = None

    def __init__(self):
        raise Exception("This is a singleton, you need to call ResourceConfig.getInstance() instead")

    def __new__(cls):
        bare_instance = object.__new__(cls)
        # you may want to have some common initialisation code here
        return bare_instance

    @staticmethod
    def getInstance():
        if ResourceConfig.__initialized == False:
            ResourceConfig.__initialized = True

            tmpInstance = ResourceConfig.__new__(ResourceConfig)

            Config.registerResourceConfig(tmpInstance)
            tmpInstance.setEnvironment(Config.getEnvironment())

            ResourceConfig.__instance = tmpInstance

        return ResourceConfig.__instance

    def getContext(cls):
        return cls.context

    def getHost(cls):
        if cls.override:
            return cls.override
        else:
            return cls.host

    def getJsonNative(cls):
        return False

    def getContentTypeOverride(cls):
        return None

    def getVersion(cls):
        return "p2m:1.0.4"

    def getName(cls):
        return "p2m"

    def setEnvironment(cls,environment):
        if environment in list(cls.environmentMap.keys()):
            tuple = cls.environmentMap[environment]
            cls.host = tuple[0]
            cls.context = tuple[1]

    def setCustomEnvironment(cls,host,context):
        cls.host = host
        cls.context = context
