from uuid import UUID
from django.http import HttpRequest, Http404
from django.shortcuts import redirect, render, get_object_or_404
from django.contrib.auth.decorators import login_required

from events.models import Event
from games.models import Game
from .models import Scope


@login_required
def submission_home(request: HttpRequest, event_path: str, game_path: str):
    event = get_object_or_404(Event, path=event_path)
    game = get_object_or_404(Game, path=game_path)

    scopes = (
        Scope.objects.filter(
            event_game__event=event,
            event_game__game=game,
            is_active=True,
        )
        if request.user.is_superuser
        else Scope.objects.filter(
            event_game__event=event,
            event_game__game=game,
            assigned_users=request.user,
            is_active=True,
        )
    )

    if scopes.count() == 1:
        return redirect(
            "submissions.view",
            event_path=event.path,
            game_path=game.path,
            scope_id=scopes[0].id,
        )

    if not scopes:
        raise Http404

    return render(
        request,
        "submissions_select.html",
        {
            "event": event,
            "game": game,
            "scopes_data": [
                {"id": str(scope.id), "name": scope.name}
                for scope in scopes.order_by("name")
            ],
        },
    )


@login_required
def submission_view(
    request: HttpRequest, event_path: str, game_path: str, scope_id: UUID
):
    event = get_object_or_404(Event, path=event_path)
    scope = get_object_or_404(
        Scope.objects.select_related("event_game__game").prefetch_related(
            "assigned_users"
        ),
        id=scope_id,
        event_game__game__path=game_path,
        event_game__event=event,
    )

    if (
        not request.user.is_superuser
        and not scope.assigned_users.filter(pk=request.user.pk).exists()
    ):
        raise Http404

    return render(
        request,
        "submissions.html",
        {
            "event": event,
            "scope": scope,
            "game": scope.event_game.game,
        },
    )