# !/usr/bin/python
# -*- coding: cp1252 -*-
#
##################################################################################
#
#    This program is part of OSRFramework. You can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##################################################################################

import os
import logging
import osrframework.utils.config_credentials as c_creds

class Credential():
    """ 
        Class to match the credentials needed by a platform.
    """
    def __init__(self, user, password):
        """ 
            Creation of the credentials.
            
            :param user:    Login name.
            :param password:    Password.
        """
        self.user = user
        self.password = password


def getCredentials():
    ''' 
        Recovering the credentials from a file with the following structure:
        
        :return: A dictionary with the following struture:
            { "platform1": [C1<Credential>, C2<Credential>], "platform2": [C3<Credential>]}
    '''
    logger = logging.getLogger("osrframework.utils")
    # Dictionary of lists:
    #     {'Twitter': {cred1, cred2, ...}}
    creds = {} 
    try:
        credsTuples = c_creds.returnListOfCreds()

        for cTuple in credsTuples:
            plat, user, password = cTuple

            c = Credential(user, password)

            if plat not in creds.keys():
                creds[plat] = [c]
            else:
                creds[plat] = creds[plat].append(c)
        logger.info(str(len(credsTuples)) + " credentials have been loaded.")    
        return creds
    except Exception, e:
        logger.error("WARNING. Something happened when loading credentials.")
        logger.error(str(e))        
        logger.debug("No credentials were loaded.")    
    return {}