# -*- coding: utf-8 -*-
# Copyright (c) 2013, First Party Software
# All rights reserved.

# Redistribution and use in source and binary forms, with or without modification, 
# are permitted provided that the following conditions are met:

# 1. Redistributions of source code must retain the above copyright notice, 
# this list of conditions and the following disclaimer.

# 2. 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.

# 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.

import json
from django.db.models import Model
from django.core.serializers.json import DjangoJSONEncoder


def strip_keypass(keypass, infile, outfile):
    """
    Strips a passphrase from a private key
    """
    import subprocess
    keypass = self.cleaned_data['gsx_keypass']
    subprocess.call(['openssl', 'rsa', '-passin',
                     'pass:' + keypass, '-in', infile, '-out', outfile])

def multiprint(*args):
    """
    Emulate JS console.log()
    """
    print(', '.join(args))

def choices_to_dict(t):
    """
    Converts a ChoiceField two-tuple to a dict (for JSON)
    Assumes i[0][0] is always unique
    """
    d = {}
    for i in t:
        k = str(i[0])
        d[k] = i[1]

    return d

def empty(v):
    return v in ('', ' ', None,)

def cache_getset(k, v):
    """
    Shortcut for getting and setting cache
    v should be a callable
    """
    from django.core.cache import cache
    if cache.get(k):
        return cache.get(k)

    val = v()
    cache.set(k, val)
    return val


class SessionSerializer:
    def dumps(self, obj):
        return json.dumps(obj, cls=DjangoJSONEncoder)

    def loads(self, data):
        return json.loads(data, cls=DjangoJSONEncoder)