from django.views.generic import ListView, DetailView
from django.views.generic.edit import UpdateView
from camps.mixins import CampViewMixin
from django.contrib.auth.mixins import LoginRequiredMixin
from django.shortcuts import redirect
from django.contrib import messages
from django.urls import reverse_lazy
from django.conf import settings

from .mixins import EnsureTeamResponsibleMixin
from ..models import Team, TeamMember

import logging
logger = logging.getLogger("bornhack.%s" % __name__)


class TeamListView(CampViewMixin, ListView):
    template_name = "team_list.html"
    model = Team
    context_object_name = 'teams'


class TeamGeneralView(CampViewMixin, DetailView):
    template_name = "team_general.html"
    context_object_name = 'team'
    model = Team
    slug_url_kwarg = 'team_slug'
    active_menu = 'general'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['IRCBOT_SERVER_HOSTNAME'] = settings.IRCBOT_SERVER_HOSTNAME
        context['IRCBOT_PUBLIC_CHANNEL'] = settings.IRCBOT_PUBLIC_CHANNEL
        return context


class TeamManageView(CampViewMixin, EnsureTeamResponsibleMixin, UpdateView):
    model = Team
    template_name = "team_manage.html"
    fields = ['description', 'needs_members', 'public_irc_channel_name',
              'public_irc_channel_bot', 'public_irc_channel_managed',
              'private_irc_channel_name', 'private_irc_channel_bot',
              'private_irc_channel_managed']
    slug_url_kwarg = 'team_slug'

    def get_success_url(self):
        return reverse_lazy('teams:general', kwargs={'camp_slug': self.camp.slug, 'team_slug': self.get_object().slug})

    def form_valid(self, form):
        messages.success(self.request, "Team has been saved")
        return super().form_valid(form)


class FixIrcAclView(LoginRequiredMixin, CampViewMixin, UpdateView):
    template_name = "fix_irc_acl.html"
    model = Team
    fields = []
    slug_url_kwarg = 'team_slug'

    def dispatch(self, request, *args, **kwargs):
        # we need to call the super().dispatch() method early so self.camp gets populated by CampViewMixin,
        # because the lookups below depend on self.camp being set :)
        response = super().dispatch(
            request, *args, **kwargs
        )

        # check if the logged in user has an approved membership of this team
        if request.user not in self.get_object().approved_members.all():
            messages.error(request, 'No thanks')
            return redirect('teams:general', camp_slug=self.get_object().camp.slug, team_slug=self.get_object().slug)

        # check if we manage the channel for this team
        if not self.get_object().irc_channel or not self.get_object().irc_channel_managed:
            messages.error(request, 'IRC functionality is disabled for this team, or the team channel is not managed by the bot')
            return redirect('teams:general', camp_slug=self.get_object().camp.slug, team_slug=self.get_object().slug)

        # check if user has a nickserv username
        if not request.user.profile.nickserv_username:
            messages.error(request, 'Please go to your profile and set your NickServ username first. Make sure the account is registered with NickServ first!')
            return redirect('teams:general', camp_slug=self.get_object().camp.slug, team_slug=self.get_object().slug)

        return response

    def get(self, request, *args, **kwargs):
        # get membership
        try:
            TeamMember.objects.get(
                user=request.user,
                team=self.get_object(),
                approved=True,
                irc_channel_acl_ok=True
            )
        except TeamMember.DoesNotExist:
            # this membership is already marked as membership.irc_channel_acl_ok=False, no need to do anything
            messages.error(request, 'No need, this membership is already marked as irc_channel_acl_ok=False, so the bot will fix the ACL soon')
            return redirect('teams:general', camp_slug=self.get_object().camp.slug, team_slug=self.get_object().slug)

        return super().get(
            request, *args, **kwargs
        )


    def form_valid(self, form):
        membership = TeamMember.objects.get(
            user=self.request.user,
            team=self.get_object(),
            approved=True,
            irc_channel_acl_ok=True
        )

        membership.irc_channel_acl_ok = False
        membership.save()
        messages.success(self.request, "OK, hang on while we fix the permissions for your NickServ user '%s' for IRC channel '%s'" % (self.request.user.profile.nickserv_username, form.instance.irc_channel_name))
        return redirect('teams:general', camp_slug=form.instance.camp.slug, team_slug=form.instance.slug)