from typing import TYPE_CHECKING
from collections.abc import Generator
from abc import ABC, abstractmethod

from ..layout_tracker import LayoutState
from ..rendered_info import RenderedInfo
if TYPE_CHECKING:
    from ..sub_renderable import SubRenderable


class Renderable(ABC):
    @abstractmethod
    def render(self, previous_rendered: RenderedInfo, layout_state: LayoutState)\
            -> Generator["RenderedInfo | SubRenderable", None, None]:
        """Renders the object to one or multiple Parented objects or Renderables to be rendered on the next page"""

    def added_to_document(self):
        pass