import logging

from django.views.generic import DetailView, UpdateView
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib import messages
from django.shortcuts import redirect

from ..models import Team, TeamMember
from profiles.models import Profile
from camps.mixins import CampViewMixin

from .mixins import EnsureTeamMemberResponsibleMixin
from ..email import add_added_membership_email, add_removed_membership_email

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


class TeamMembersView(CampViewMixin, DetailView):
    template_name = "team_members.html"
    context_object_name = 'team'
    model = Team
    slug_url_kwarg = 'team_slug'


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

    def get(self, request, *args, **kwargs):
        if not Profile.objects.get(user=request.user).description:
            messages.warning(
                request,
                "Please fill the description in your profile before joining a team"
            )
            return redirect('teams:list', camp_slug=self.camp.slug)

        if request.user in self.get_object().members.all():
            messages.warning(request, "You are already a member of this team")
            return redirect('teams:list', camp_slug=self.camp.slug)

        if not self.get_object().needs_members:
            messages.warning(request, "This team does not need members right now")
            return redirect('teams:list', camp_slug=self.get_object().camp.slug)

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

    def form_valid(self, form):
        TeamMember.objects.create(team=self.get_object(), user=self.request.user)
        messages.success(self.request, "You request to join the team %s has been registered, thank you." % self.get_object().name)
        return redirect('teams:list', camp_slug=self.get_object().camp.slug)


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

    def get(self, request, *args, **kwargs):
        if request.user not in self.get_object().members.all():
            messages.warning(request, "You are not a member of this team")
            return redirect('teams:list', camp_slug=self.get_object().camp.slug)

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

    def form_valid(self, form):
        TeamMember.objects.filter(team=self.get_object(), user=self.request.user).delete()
        messages.success(self.request, "You are no longer a member of the team %s" % self.get_object().name)
        return redirect('teams:list', camp_slug=self.get_object().camp.slug)



class TeamMemberRemoveView(LoginRequiredMixin, CampViewMixin, EnsureTeamMemberResponsibleMixin, UpdateView):
    template_name = "teammember_remove.html"
    model = TeamMember
    fields = []

    def form_valid(self, form):
        form.instance.delete()
        if add_removed_membership_email(form.instance):
            messages.success(self.request, "Team member removed")
        else:
            messages.success(self.request, "Team member removed (unable to add email to outgoing queue).")
            logger.error(
                'Unable to add removed email to outgoing queue for teammember: {}'.format(form.instance)
            )
        return redirect('teams:general', camp_slug=self.camp.slug, team_slug=form.instance.team.slug)

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['team'] = self.get_object().team
        return context


class TeamMemberApproveView(LoginRequiredMixin, CampViewMixin, EnsureTeamMemberResponsibleMixin, UpdateView):
    template_name = "teammember_approve.html"
    model = TeamMember
    fields = []

    def form_valid(self, form):
        form.instance.approved = True
        form.instance.save()
        if add_added_membership_email(form.instance):
            messages.success(self.request, "Team member approved")
        else:
            messages.success(self.request, "Team member removed (unable to add email to outgoing queue).")
            logger.error(
                'Unable to add approved email to outgoing queue for teammember: {}'.format(form.instance)
            )
        return redirect('teams:general', camp_slug=self.camp.slug, team_slug=form.instance.team.slug)

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['team'] = self.get_object().team
        return context