from django.http import HttpResponseRedirect
from django.template import RequestContext
from django.shortcuts import render_to_response
from django.contrib.auth.decorators import login_required
from django.contrib.auth.decorators import permission_required
from django.contrib.auth.decorators import user_passes_test
from django.shortcuts import get_object_or_404
from django.utils import timezone

from util import check_if_user_has_permission
from authentication.managers import AuthServicesInfoManager
from eveonline.managers import EveManager
from form import SignatureForm
from models import sigtracker


import logging

logger = logging.getLogger(__name__)

def sigtracker_util_test(user):
    return check_if_user_has_permission(user, 'member') or check_if_user_has_permission(user, 'blue_member')


@login_required
@user_passes_test(sigtracker_util_test)
@permission_required('auth.signature_view')
def sigtracker_view(request):
    logger.info("sigtracker_view called by user %s" % request.user)
    sigtracker_list = sigtracker.objects.all()
    render_items = {'sigtracker': sigtracker.objects.all(),}

    return render_to_response('registered/signaturemanagement.html', render_items, context_instance=RequestContext(request))


@login_required
@permission_required('auth.signature_management')
def add_signature_view(request):
    logger.info("add_signature_view called by user %s" % request.user)
    if request.method == 'POST':
    	form = SignatureForm(request.POST)
	logger.info("Request type POST contains form valid: %s" % form.is_valid())
        if form.is_valid():
            #Get Current Time
            post_time = timezone.now()
            # Get character
            auth_info = AuthServicesInfoManager.get_auth_service_info(request.user)
            character = EveManager.get_character_by_id(auth_info.main_char_id)
            # handle valid form
            sig = sigtracker()
            sig.ident = form.cleaned_data['ident']
            sig.system = form.cleaned_data['system']
            sig.destination = form.cleaned_data['destination']
            sig.sigtype = form.cleaned_data['sigtype']
            sig.status = form.cleaned_data['status']
            sig.notes = form.cleaned_data['notes']
            sig.create_time = post_time
            sig.eve_character = character
            sig.save()
            return HttpResponseRedirect("/sigtracker/")
    else:
        logger.info("Returning new SignatureForm")
        form = SignatureForm()

    render_items = {'form': form}

    return render_to_response('registered/addsignature.html', render_items, context_instance=RequestContext(request))


@login_required
@permission_required('auth.signature_management')
def remove_signature(request, sigtracker_id):
    logger.info("remove_signature called by user %s for signature id %s" % (request.user, sigtracker_id))
    if sigtracker.objects.filter(id=sigtracker_id).exists():
        sig = sigtracker.objects.get(id=sigtracker_id)
        sig.delete()
        logger.info("Deleting sigtracker id %s by user %s" % (sigtracker_id, request.user))
    else:
        logger.info("Unable to delete signature id %s for user %s - signature matching id not found." % (sigtracker_id, request.user))
    return HttpResponseRedirect("/sigtracker/")


@login_required
@permission_required('auth.signature_management')
def edit_signature(request, sigtracker_id):
    logger.debug("edit_optimer called by user %s for optimer id %s" % (request.user, sigtracker_id))
    sig = get_object_or_404(sigtracker, id=sigtracker_id)
    if request.method == 'POST':
        form = SignatureForm(request.POST)
        logger.debug("Received POST request containing update sigtracker form, is valid: %s" % form.is_valid())
        if form.is_valid():
            auth_info = AuthServicesInfoManager.get_auth_service_info(request.user)
            character = EveManager.get_character_by_id(auth_info.main_char_id)
            sig.ident = form.cleaned_data['ident']
            sig.system = form.cleaned_data['system']
            sig.destination = form.cleaned_data['destination']
            sig.sigtype = form.cleaned_data['sigtype']
            sig.status = form.cleaned_data['status']
            sig.notes = form.cleaned_data['notes']
            sig.eve_character = character
            logger.info("User %s updating sigtracker id %s " % (request.user, sigtracker_id))
            sig.save()

        logger.debug("Detected no changes between sigtracker id %s and supplied form." % sigtracker_id)
        return HttpResponseRedirect("/sigtracker/")
    else:
        data = {
            'ident': sig.ident,
            'system': sig.system,
            'destination': sig.destination,
            'sigtype': sig.sigtype,
            'status': sig.status,
            'notes': sig.notes,
        }
        form = SignatureForm(initial= data)
    return render_to_response('registered/signatureupdate.html', {'form':form}, context_instance=RequestContext(request))