# Copyright (c) 2014-2015, Intel Corporation
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# 1. Redistributions of source code must retain the above copyright notice, this
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# this list of conditions and the following disclaimer in the documentation and/or
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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import logging
import json
import os


class ConfigParser:

    """ This class define needed configuration environment information """

    def __init__(self, confFileName, testsDirectory, consoleLogger):

        # Parsing of Json test file
        with open(confFileName, "r") as testFile:
            self.__conf = json.load(testFile)

        # Preparing mandatory files and directory paths
        for key in ["CriterionFile",
                    "PfwConfFile",
                    "ScenariosDirectory"]:
            self.__conf[key] = os.path.join(testsDirectory, self.__conf[key])

        # Preparing optional files and directory paths
        for key in ["ScriptsFile",
                    "ActionGathererFile",
                    "LogFile",
                    "CoverageFile",
                    "CoverageDir",
                    "PfwDomainConfFile"]:
            try:
                self.__conf[key] = os.path.join(testsDirectory, self.__conf[key])
            except KeyError as e:
                self.__conf[key] = ""

        self.__logger = logging.getLogger(__name__)
        self.__logger.addHandler(consoleLogger)

    def __getitem__(self, item):
        try:
            return self.__conf[item]
        except KeyError as e:
            self.__logger.error(
                "The item : {} is not in the configuration file".format(item))
            raise e