"""在大屏 JSON 副本上删除组件，用于后端校验，不删除共享数据源"""

from app.actions.base import BaseActionHandler
from app.schemas.actions import DeleteAction
from app.schemas.screen import Screen


class DeleteHandler(BaseActionHandler[DeleteAction]):
    def apply(self, screen: Screen, action: DeleteAction) -> Screen:
        result, target = self.copy_target(screen, action.target_id)
        result.nodes = [node for node in result.nodes if node.id != target.id]
        return result