from django.contrib import admin
from django_object_actions import DjangoObjectActions, action

from .canvas import rebuild_canvas_from_history
from .models import PixelPlacement, PlaceSettings


@admin.register(PlaceSettings)
class PlaceSettingsAdmin(DjangoObjectActions, admin.ModelAdmin):
    list_display = ("event", "width", "height")
    list_editable = ("width", "height")
    list_filter = ("event",)
    change_actions = ("resync_canvas",)

    @action(
        label="Resync canvas from DB",
        description="Rebuild the live Redis canvas by replaying the full PixelPlacement history",
    )
    def resync_canvas(self, request, obj):
        count = rebuild_canvas_from_history(obj.event, obj.width, obj.height)
        self.message_user(
            request, f"Canvas resynced from {count} placement(s) at {obj.width}x{obj.height}."
        )


@admin.register(PixelPlacement)
class PixelPlacementAdmin(admin.ModelAdmin):
    list_display = ("id", "event", "player", "x", "y", "color_index", "placed_at")
    list_filter = ("event", "player")