# chuk-motion/src/chuk_motion/components/layouts/StackedReaction/builder.py
"""StackedReaction composition builder method."""
from typing import TYPE_CHECKING, Any
if TYPE_CHECKING:
from ....generator.composition_builder import CompositionBuilder
def add_to_composition(
builder: "CompositionBuilder",
start_time: float,
original_content: Any | None = None,
reaction_content: Any | None = None,
layout: str = "vertical",
reaction_size: float = 40,
gap: float = 20,
padding: float = 40,
duration: float = 5.0,
) -> "CompositionBuilder":
"""Add StackedReaction to the composition."""
from ....generator.composition_builder import ComponentInstance
start_frame = builder.seconds_to_frames(start_time)
duration_frames = builder.seconds_to_frames(duration)
component = ComponentInstance(
component_type="StackedReaction",
start_frame=start_frame,
duration_frames=duration_frames,
props={
"original_content": original_content,
"reaction_content": reaction_content,
"layout": layout,
"reaction_size": reaction_size,
"gap": gap,
"padding": padding,
"start_time": start_time,
"duration": duration,
},
layer=0,
)
builder.components.append(component)
return builder