##############################################################################
# Copyright (c) 2016 Max Breitenfeldt and others.
# Copyright (c) 2018 Parker Berberian, Sawyer Bergeron, and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

import os
from django.shortcuts import get_object_or_404
from django.views.generic import TemplateView
from django.shortcuts import render
from django.db.models import Q
from datetime import datetime
import pytz
from django.http import HttpResponse

from account.models import Lab, UserProfile
from booking.models import Booking
from laas_dashboard import settings
from laas_dashboard.settings import PROJECT
from liblaas.utils import get_ipa_status

from liblaas.views import flavor_list_flavors, flavor_list_hosts


def lab_list_view(request):
    labs = Lab.objects.all()
    context = {"labs": labs, 'title': 'Labs'}

    return render(request, "dashboard/lab_list.html", context)


def lab_detail_view(request, lab_name):
    user = None
    if request.user.is_authenticated:
        user = request.user

    lab = get_object_or_404(Lab, name=lab_name)
    flavors_list = flavor_list_flavors(PROJECT)
    host_list = flavor_list_hosts(PROJECT)

    flavor_map = {}
    for flavor in flavors_list:
        flavor_map[flavor['flavor_id']] = flavor['name']


    # Apparently Django Templating lacks many features that regular Jinja offers, so I need to get creative
    for host in host_list:
        id = host["flavor"]
        name = flavor_map[id]
        host["flavor"] = {"id": id, "name": name}

    return render(
        request,
        "dashboard/lab_detail.html",
        {
            'title': "Lab Overview",
            'lab': lab,
            # 'hostprofiles': ResourceProfile.objects.filter(labs=lab),
            'flavors': flavors_list,
            'hosts': host_list
        }
    )


def host_profile_detail_view(request):

    return render(
        request,
        "dashboard/host_profile_detail.html",
        {
            'title': "Host Types",
        }
    )


def landing_view(request):
    user = request.user
    ipa_status = "n/a"
    profile = {}

    if not user.is_anonymous:
        bookings = Booking.objects.filter(
            Q(owner=user) | Q(collaborators=user),
            end__gte=datetime.now(pytz.utc)
        )
        # new, link, conflict, n/a
        ipa_status = get_ipa_status(user)
        up = UserProfile.objects.get(user=user)
        profile["email"] = up.email_addr

        # Link by default, no need for modal
        if ipa_status == "link":
            up.ipa_username = str(user)
            up.save()
    else:
        bookings = None

    LFID = True if settings.AUTH_SETTING == 'LFID' else False

    if request.method != "GET":
        return HttpResponse(status_code=405)

    return render(
        request,
        'dashboard/landing.html',
        {
            'title': "Welcome to the Lab as a Service Dashboard",
            'bookings': bookings,
            'LFID': LFID,
            'ipa_status': ipa_status,
            'profile': profile
        }
    )

class LandingView(TemplateView):
    template_name = "dashboard/landing.html"

    def get_context_data(self, **kwargs):
        context = super(LandingView, self).get_context_data(**kwargs)

        return context