#!/usr/bin/python

from django.contrib.auth.models import User

from django.core.mail import send_mail

from django.db import IntegrityError

from ws_app.reg.models import Profile, Event

from ws_app.reg.utils import gen_key

def create_user(email, password, first_name="", last_name="", gender="M", profession="S", affiliated_to="", interests="" ):

    """ create a user with random username and set the password.

    """

    while True:

        try:

            username = gen_key(8)

            user = User.objects.get(username=username)

        except User.DoesNotExist:

            break

    new_user = User.objects.create_user(username, email, password)

    new_user.first_name = first_name

    new_user.last_name = last_name

    new_user.is_active = False

    new_user.save()

    new_profile = Profile(user=new_user)

    new_profile.gender = gender

    new_profile.profession = profession

    new_profile.affiliated_to = affiliated_to

    new_profile.interests = interests

    while True:

        try:

            new_profile.activation_key = gen_key(30)

            new_profile.save()

            return new_user

        except IntegrityError:

            pass

def send_activation(user):

    """ get key from profile and send an email.

    """

    activation_link = "http://fossee.in/workshop/registration/activate/%s"%user.get_profile().activation_key

    subject = "Activate your account"

    message = """

    Dear %s,

    Thank you for registering at fossee.in.

    Your are just a step away from completeing your registration.

    Please click on the link below or open the url in your browser to activate your account.

    %s

    Please mail your queries and complaints to admin@fossee.in.

    If you have not registered at fossee, please ignore this mail.

    Regards,

    FOSSEE Team

    """%(user.get_full_name(), activation_link)

    print message

    send_mail(subject, message, "admin@fossee.in", [user.email])

def create_event(title, description, start_date, stop_date, venue, created_by=None):

    """ make an event and save it.

    """

    new_event = Event()

    new_event.title = title

    new_event.description = description

    new_event.start_date = start_date

    new_event.stop_date = stop_date

    new_event.venue = venue

    new_event.save()

    if created_by:

        new_event.organizers.add(created_by)

    while True:

        try:

            new_event.key = gen_key(10)

            new_event.save()

            return new_event

        except IntegrityError:

            pass

def activate_user(user):

    """ mark the is_active flag as true.

    """

    user.is_active = True

    user.save()

    return user

def reset_password(user):

    """ get a key and set it as password.

    for now, print the key.

    later on add the send mail function.

    """

    new_password = gen_key(10)

    user.set_password(new_password)

    user.save()

    return new_password

def change_password(user, new_password):

    """ for now just set the password and be done with it.

    later on, if we want to do something else also then we can add them here.

    """

    user.set_password(new_password)

    user.save()

def update_profile(user, properties):

    """ properties must be a dictionary that contains all the attributes that

    we take while a new user registers.

    """

    profile = user.get_profile()

    user.first_name = properties['first_name']

    user.last_name = properties['last_name']

    user.save()

    profile.gender = properties['gender']

    profile.profession = properties['profession']

    profile.affiliated_to = properties['affiliated_to']

    profile.interests = properties['interests']

    profile.save()