import os

from django.conf import settings

from django.core.exceptions import ObjectDoesNotExist

from django.contrib.auth.models import User

from PIL import Image

from project.scipycon.user.models import UserProfile

def scipycon_createregistrant(request, data):

    """Create user

    """

    email = data.get('email')

    name = data.get('name')

    username = data.get('username')

    n = name.split(' ')

    if len(n) > 1:

        first_name = ' '.join(n[:-1])

        last_name = n[-1]

    else:

        first_name = ''

        last_name = n[0]

    # Create user

    user = User.objects.create_user(username=username, email=email)

    user.first_name = first_name

    user.last_name = last_name

    user.save()

    return user

def scipycon_createuser(request, data, scope):

    """Create user

    """

    from django.contrib.auth import authenticate

    from django.contrib.auth import login

    from project.scipycon.base.models import Event

    email = data.get('email')

    username = data.get('username')

    password = data.get('password_1')

    password = data.get('password_1')

    # Create user

    user = User.objects.create_user(

        username=username, email=email, password=password)

    user.first_name = data.get('first_name')

    user.last_name = data.get('last_name')

    user.save()

    # Log in user

    user = authenticate(username=username, password=password)

    login(request, user)

    scope_entity = Event.objects.get(scope=scope)

    try:

        profile = user.get_profile()

    except:

        profile, new = UserProfile.objects.get_or_create(

            user=user, scope=scope_entity)

    photo = request.FILES.get('photo', None)

    filename= None

    if photo:

        filename = handle_uploaded_photo(user, request.FILES['photo'])

    if filename:

        profile.photo = filename

    profile.url = data.get('url')

    profile.about = data.get('about')

    profile.save()

    return user

def handle_uploaded_photo(user, ufile):

    usermedia = settings.USER_MEDIA_ROOT

    filename = ufile.name

    ext = filename.split('.')[-1]

    filecontent = ufile.read()

    userfilename = 'user-%d.%s' % (user.id, ext)

    if not filecontent:

        return None

    #save

    foutname = os.path.join(usermedia, userfilename)

    fout = file(foutname, 'wb')

    fout.write(filecontent)

    fout.close()

    # crop and resize

    image = Image.open(foutname)

    pw = image.size[0]

    ph = image.size[1]

    nw = nh = 80

    if (pw, ph) != (nw, nh):

        pr = float(pw) / float(ph)

        nr = float(nw) / float(nh)

        if pr > nr:

            # photo aspect is wider than destination ratio

            tw = int(round(nh * pr))

            image = image.resize((tw, nh), Image.ANTIALIAS)

            l = int(round(( tw - nw ) / 2.0))

            image = image.crop((l, 0, l + nw, nh))

        elif pr < nr:

            # photo aspect is taller than destination ratio

            th = int(round(nw / pr))

            image = image.resize((nw, th), Image.ANTIALIAS)

            t = int(round(( th - nh ) / 2.0))

            image = image.crop((0, t, nw, t + nh))

        else:

            # photo aspect matches the destination ratio

            image = image.resize((nw, nh), Image.ANTIALIAS)

        image.save(str(foutname))

    return userfilename