# coding: utf-8

"""
    DLRN API

    DLRN API client

    OpenAPI spec version: 1.0.0

    Generated by: https://github.com/swagger-api/swagger-codegen.git
"""


from __future__ import absolute_import

import logging
import sys
import os
import urllib3

from six import iteritems
from six.moves import http_client as httplib


def singleton(cls, *args, **kw):
    instances = {}

    def _singleton():
        if cls not in instances:
            instances[cls] = cls(*args, **kw)
        return instances[cls]
    return _singleton


@singleton
class Configuration(object):
    """NOTE: This class is auto generated by the swagger code generator program.

    Ref: https://github.com/swagger-api/swagger-codegen
    Do not edit the class manually.
    """

    def __init__(self):
        """Constructor"""
        # Default Base url
        self.host = "http://127.0.0.1:5000"
        # Default api client
        self.api_client = None
        # Temp file folder for downloading files
        self.temp_folder_path = None

        # Authentication Settings
        # dict to store API key(s)
        self.api_key = {}
        # dict to store API prefix (e.g. Bearer)
        self.api_key_prefix = {}
        # Username for HTTP basic authentication
        self.username = ""
        # Password for HTTP basic authentication
        self.password = ""

        # Logging Settings
        self.logger = {}
        self.logger["package_logger"] = logging.getLogger("dlrnapi_client")
        self.logger["urllib3_logger"] = logging.getLogger("urllib3")
        # Log format
        self.logger_format = '%(asctime)s %(levelname)s %(message)s'
        # Log stream handler
        self.logger_stream_handler = None
        # Log file handler
        self.logger_file_handler = None
        # Debug file location
        self.logger_file = None
        # Debug switch
        self.debug = False

        # SSL/TLS verification
        # Set this to false to skip verifying SSL certificate when calling API
        # from https server.
        if os.environ.get('SSL_VERIFY') == '0':
            self.verify_ssl = False
        else:
            self.verify_ssl = True
        # Set this to customize the certificate file to verify the peer.
        self.ssl_ca_cert = None
        # client certificate file
        self.cert_file = None
        # client key file
        self.key_file = None

    @property
    def logger_file(self):
        """Gets the logger_file."""
        return self.__logger_file

    @logger_file.setter
    def logger_file(self, value):
        """Sets the logger_file.

        If the logger_file is None, then add stream handler and remove file
        handler.
        Otherwise, add file handler and remove stream handler.

        :param value: The logger_file path.
        :type: str
        """
        self.__logger_file = value
        if self.__logger_file:
            # If set logging file,
            # then add file handler and remove stream handler.
            self.logger_file_handler = logging.FileHandler(self.__logger_file)
            self.logger_file_handler.setFormatter(self.logger_formatter)
            for _, logger in iteritems(self.logger):
                logger.addHandler(self.logger_file_handler)
                if self.logger_stream_handler:
                    logger.removeHandler(self.logger_stream_handler)
        else:
            # If not set logging file,
            # then add stream handler and remove file handler.
            self.logger_stream_handler = logging.StreamHandler()
            self.logger_stream_handler.setFormatter(self.logger_formatter)
            for _, logger in iteritems(self.logger):
                logger.addHandler(self.logger_stream_handler)
                if self.logger_file_handler:
                    logger.removeHandler(self.logger_file_handler)

    @property
    def debug(self):
        """Gets the debug status."""
        return self.__debug

    @debug.setter
    def debug(self, value):
        """Sets the debug status.

        :param value: The debug status, True or False.
        :type: bool
        """
        self.__debug = value
        if self.__debug:
            # if debug status is True, turn on debug logging
            for _, logger in iteritems(self.logger):
                logger.setLevel(logging.DEBUG)
            # turn on httplib debug
            httplib.HTTPConnection.debuglevel = 1
        else:
            # if debug status is False, turn off debug logging,
            # setting log level to default `logging.WARNING`
            for _, logger in iteritems(self.logger):
                logger.setLevel(logging.WARNING)
            # turn off httplib debug
            httplib.HTTPConnection.debuglevel = 0

    @property
    def logger_format(self):
        """Gets the logger_format."""
        return self.__logger_format

    @logger_format.setter
    def logger_format(self, value):
        """Sets the logger_format.

        The logger_formatter will be updated when sets logger_format.

        :param value: The format string.
        :type: str
        """
        self.__logger_format = value
        self.logger_formatter = logging.Formatter(self.__logger_format)

    def get_api_key_with_prefix(self, identifier):
        """Gets API key (with prefix if set).

        :param identifier: The identifier of apiKey.
        :return: The token for api key authentication.
        """
        if (self.api_key.get(identifier) and
            self.api_key_prefix.get(identifier)):  # noqa
            return self.api_key_prefix[identifier] + ' ' +\
                self.api_key[identifier]
        elif self.api_key.get(identifier):
            return self.api_key[identifier]

    def get_basic_auth_token(self):
        """Gets HTTP basic authentication header (string).

        :return: The token for basic HTTP authentication.
        """
        return urllib3.util.make_headers(basic_auth=self.username + ':' +
                                         self.password).get('authorization')

    def auth_settings(self):
        """Gets Auth Settings dict for api client.

        :return: The Auth Settings information dict.
        """
        return {
            'basicAuth':
                {
                    'type': 'basic',
                    'in': 'header',
                    'key': 'Authorization',
                    'value': self.get_basic_auth_token()
                },

        }

    def to_debug_report(self):
        """Gets the essential information for debugging.

        :return: The report for debugging.
        """
        return "Python SDK Debug Report:\n"\
               "OS: {env}\n"\
               "Python Version: {pyversion}\n"\
               "Version of the API: 1.0.0\n"\
               "SDK Package Version: 1.0.0".\
               format(env=sys.platform, pyversion=sys.version)
