"""
Author: Michel Peltriaux
Created on: 05.11.25

"""
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import Http404, HttpRequest
from django.shortcuts import get_object_or_404, render
from django.urls import reverse
from django.utils.translation import gettext_lazy as _

from konova.contexts import BaseContext
from konova.utils.message_templates import TEAM_LEFT, TEAM_REMOVED, TEAM_EDITED, TEAM_ADDED
from konova.views.base import BaseModalFormView
from user.forms.modals.team import LeaveTeamModalForm, RemoveTeamModalForm, EditTeamModalForm, NewTeamModalForm
from user.forms.team import TeamDataForm
from user.models import Team
from user.views.users import UserBaseView


class TeamDetailModalView(LoginRequiredMixin, BaseModalFormView):
    _FORM_CLS = TeamDataForm
    _MODEL_CLS = Team

    def _user_has_shared_access(self, user, **kwargs):
        # No specific constraints
        return True

    def _user_has_permission(self, user, **kwargs):
        # No specific constraints
        return True


class TeamIndexView(LoginRequiredMixin, UserBaseView):
    _TEMPLATE = "user/team/index.html"
    _TAB_TITLE = _("Teams")

    def get(self, request: HttpRequest):
        user = request.user
        context = {
            "teams": user.shared_teams,
            "tab_title": self._TAB_TITLE,
        }
        context = BaseContext(request, context).context
        return render(request, self._TEMPLATE, context)


class BaseTeamView(LoginRequiredMixin, BaseModalFormView):
    _REDIRECT_URL = "user:team-index"
    _MODEL_CLS = Team

    class Meta:
        abstract = True

    def _user_has_permission(self, user, **kwargs):
        # Nothing to check here - just pass the test
        return True

    def _user_has_shared_access(self, user, **kwargs):
        # Nothing to check here - just pass the test
        return True

    def _get_redirect_url(self, *args, **kwargs):
        return reverse(self._REDIRECT_URL)

class NewTeamView(BaseTeamView):
    _FORM_CLS = NewTeamModalForm
    _MSG_SUCCESS = TEAM_ADDED

class EditTeamView(BaseTeamView):
    _FORM_CLS = EditTeamModalForm
    _MSG_SUCCESS = TEAM_EDITED

    def _user_has_permission(self, user, **kwargs):
        team = get_object_or_404(Team, id=kwargs.get("id"))
        user_is_admin = team.is_user_admin(user)
        if not user_is_admin:
            # If user is not an admin, we act as if there is no such team on the database
            raise Http404()
        return user_is_admin


class RemoveTeamView(BaseTeamView):
    _FORM_CLS = RemoveTeamModalForm
    _MSG_SUCCESS = TEAM_REMOVED

    def _user_has_permission(self, user, **kwargs):
        team_id = kwargs.get("id")
        team = get_object_or_404(Team, id=team_id)
        user_is_admin = team.is_user_admin(user)
        if not user_is_admin:
            raise Http404()
        return True

class LeaveTeamView(BaseTeamView):
    _FORM_CLS = LeaveTeamModalForm
    _MSG_SUCCESS = TEAM_LEFT

    def _user_has_shared_access(self, user, **kwargs):
        team_id = kwargs.get("id")
        team = get_object_or_404(self._MODEL_CLS, id=team_id)
        is_user_team_member = team.users.filter(id=user.id).exists()
        if not is_user_team_member:
            raise Http404()
        return True