from datetime import datetime

from pytask.taskapp.events.task import addCredits, addMentor

from pytask.taskapp.events.user import changeRole

from pytask.taskapp.utilities.notification import create_notification

def reply_to_request(request_obj, reply, replied_by):

    """

    makes a request replied with the given reply.

    arguments:

        request_obj - Request object for which change is intended

        reply - a boolean value to be given as reply (True/False)

        replied_by - the user object who replies to the request

    """

    if not request_obj.is_replied:

        request_obj.reply = reply

        request_obj.is_replied = True

        request_obj.reply_date = datetime.now()

        request_obj.replied_by = replied_by

        request_obj.save()

        if request_obj.role == "PY":

            ## note that we are not doing any check. we make requests invalid when an event like closing task happens.

            task = request_obj.task

            pynts = request_obj.pynts

            receiving_user = request_obj.receiving_user

            requested_by = request_obj.sent_by

            for a_mentor in task.mentors.all():

                if reply:

                    addCredits(task, request_obj.sent_by, request_obj.receiving_user, pynts)

                else:

        elif request_obj.role == "MT":

            ## add him as a mentor to the task

            if reply:

                ## check for the current rights of request_obj.sent_by

                ## what if he is no more a mentor to the task

                addMentor(request_obj.task, request_obj.replied_by)

                ## pass on notification of request_obj.sent_by

            else:

                print "request for mentor rejected"

                ## pass on notification to request_obj.sent_by

        elif request_obj.role in ["AD", "MG", "DV"]:

            if reply:

                ## make him the role

                ## here we check for rights just in case to be fine with demoted users. we change only the user who made request has that rights.

                changeRole(role=request_obj.role, user=request_obj.replied_by)

            else:

                ## notify request_obj.sent_by that it has been rejected

                pass

        return True #Reply has been added successfully

    return False #Already replied