from django.contrib import admin, messages
from django_object_actions import (
    DjangoObjectActions,
    action,
    takes_instance_or_queryset,
)

from submissions.tasks import schedule_scope_sync, stop_scope_sync

from .models import EventGame, Game, PlanningSlot
from .tasks import refresh_steam_games_task


class EventGameInline(admin.TabularInline):
    model = EventGame
    extra = 0


@admin.register(Game)
class GameAdmin(admin.ModelAdmin):
    list_display = ["name", "steam_app_id", "updated_at"]
    search_fields = ["name", "steam_app_id"]
    readonly_fields = [
        "created_at",
        "updated_at",
        "steam_price_initial",
        "steam_price_final",
        "steam_discount_percent",
        "steam_currency",
        "steam_is_free",
        "steam_short_description",
        "steam_header_image",
        "steam_info_updated_at",
    ]
    inlines = [EventGameInline]
    actions = ["refresh_steam_info"]

    @admin.action(description="Refresh Steam store info")
    def refresh_steam_info(self, request, queryset):
        game_ids = list(
            queryset.filter(steam_app_id__isnull=False).values_list("id", flat=True)
        )
        refresh_steam_games_task.enqueue(game_ids=game_ids)
        self.message_user(
            request, f"Queued Steam store refresh for {len(game_ids)} game(s)."
        )


@admin.register(EventGame)
class EventGameAdmin(DjangoObjectActions, admin.ModelAdmin):
    list_display = ["game", "event", "enabled", "has_apibot_token"]
    list_filter = ["event", "enabled"]
    search_fields = ["game__name", "event__name"]
    actions = ["enable", "disable", "sync_scopes", "stop_scope_sync"]
    change_actions = ["sync_scopes", "stop_scope_sync"]

    @admin.display(description="AAndT token", boolean=True)
    def has_apibot_token(self, obj):
        return bool(obj.apibot_token)

    def _set_enabled(self, request, queryset, enabled: bool):
        # save() per row (not update()) so post_save fires, e.g. the clock heartbeat
        changed = 0
        for event_game in queryset.select_related("game").filter(enabled=not enabled):
            event_game.enabled = enabled
            event_game.save(update_fields=["enabled"])
            changed += 1

        self.message_user(
            request,
            f"{'Enabled' if enabled else 'Disabled'} {changed} EventGame(s)"
            f" ({queryset.count() - changed} already {'enabled' if enabled else 'disabled'}).",
        )

    @admin.action(description="Enable selected EventGames")
    def enable(self, request, queryset):
        self._set_enabled(request, queryset, enabled=True)

    @admin.action(description="Disable selected EventGames")
    def disable(self, request, queryset):
        self._set_enabled(request, queryset, enabled=False)

    @action(
        label="Sync scopes",
        description="Sync scopes from AAndT for selected EventGames",
    )
    @takes_instance_or_queryset
    def sync_scopes(self, request, queryset):
        tokened = queryset.exclude(apibot_token__isnull=True).exclude(apibot_token="")
        skipped = queryset.count() - tokened.count()

        started = sum(schedule_scope_sync(event_game.id) for event_game in tokened)

        self.message_user(
            request,
            f"Started scope sync for {started} EventGame(s)"
            f" ({tokened.count() - started} already running).",
        )
        if skipped:
            self.message_user(
                request,
                f"Skipped {skipped} EventGame(s) with no AAndT token configured.",
                level=messages.WARNING,
            )

    @action(
        label="Stop scope sync",
        description="Stop the scope sync loop of selected EventGames",
    )
    @takes_instance_or_queryset
    def stop_scope_sync(self, request, queryset):
        stopped = sum(stop_scope_sync(event_game.id) for event_game in queryset)

        self.message_user(request, f"Stopped scope sync for {stopped} EventGame(s).")


@admin.register(PlanningSlot)
class PlanningSlotAdmin(admin.ModelAdmin):
    list_display = ["title", "event", "begin", "end", "column", "is_multi_anims"]
    list_filter = ["event", "is_multi_anims"]
    search_fields = ["title"]