from django.http import HttpResponse, Http404

from django.shortcuts import redirect, render_to_response

from pytask.taskapp.models import Task

from pytask.taskapp.forms.user import UserProfileEditForm

from pytask.taskapp.events.user import createUser, updateProfile

from django.contrib.auth.models import User

from pytask.taskapp.models import Profile

from django.contrib.auth.decorators import login_required

def show_msg(message, redirect_url=None, url_desc=None):

    """ simply redirect to homepage """

    return render_to_response('show_msg.html',{'message':message, 'redirect_url':redirect_url, 'url_desc':url_desc})

def homepage(request):

    """ check for authentication and display accordingly. """

    user = request.user

    is_guest = False

    is_mentor = False

    can_create_task = False

    task_list = []

    if not user.is_authenticated():

        is_guest = True

        disp_num = 10

        tasks_count = Task.objects.count()

        if tasks_count <= disp_num:

            task_list = Task.objects.order_by('id').reverse()

        else:

            task_list = Task.objects.order_by('id').reverse()[:10]

        return render_to_response('index.html', {'is_guest':is_guest, 'task_list':task_list})

    else:

        user_profile = user.get_profile()

        is_mentor = True if user.task_mentors.all() else False

        can_create_task = False if user_profile.rights == u"CT" else True

        context = {'user':user,

                   'is_guest':is_guest,

                   'is_mentor':is_mentor,

                   'task_list':task_list,

                   'can_create_task':can_create_task,

                   }

        return render_to_response('index.html', context)

@login_required

def view_my_profile(request,uid=None):

    """ allows the user to view the profiles of users """

    if uid == None:

        edit_profile = True

        profile = Profile.objects.get(user = request.user)

        return render_to_response('user/my_profile.html', {'edit_profile':edit_profile,'profile':profile})

    edit_profile = True if request.user == User.objects.get(pk=uid) else False

    try:

        profile = Profile.objects.get(user = User.objects.get(pk=uid))

    except Profile.DoesNotExist:

        raise Http404

    return render_to_response('user/my_profile.html', {'edit_profile':edit_profile,'profile':profile})

def edit_my_profile(request):

    """ enables the user to edit his/her user profile """

    if str(request.user) == 'AnonymousUser':

        return show_msg('Please register yourself to activate the functionality')

    if request.method == 'POST':

        form = UserProfileEditForm(request.POST)

#        if not form.is_valid():

#            edit_profile_form = UserProfileEditForm(instance = form)

#            return render_to_response('user/edit_profile.html',{'edit_profile_form' : edit_profile_form})

        if request.user.is_authenticated() == True:

            profile = Profile.objects.get(user = request.user)

            data = request.POST#form.cleaned_data

            properties = {'aboutme':data['aboutme'], 'foss_comm':data['foss_comm'], 'phonenum':data['phonenum'], 'homepage':data['homepage'], 'street':data['street'], 'city':data['city'], 'country':data['country'], 'nick':data['nick']}

            #fields = ['dob','gender','credits','aboutme','foss_comm','phonenum','homepage','street','city','country','nick']

            updateProfile(profile,properties)

            return redirect('/user/view/uid='+str(profile.user_id))

    else:

        profile = Profile.objects.get(user = request.user)

        edit_profile_form = UserProfileEditForm(instance = profile)

        return render_to_response('user/edit_profile.html',{'edit_profile_form' : edit_profile_form})