# chuk-motion/src/chuk_motion/components/layouts/Mosaic/builder.py
"""Mosaic composition builder method."""
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from ....generator.composition_builder import CompositionBuilder
def add_to_composition(
builder: "CompositionBuilder",
start_time: float,
clips: list[dict] | None = None,
style: str = "hero-corners",
gap: float = 10,
padding: float = 40,
duration: float = 5.0,
) -> "CompositionBuilder":
"""Add Mosaic 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="Mosaic",
start_frame=start_frame,
duration_frames=duration_frames,
props={
"clips": clips or [],
"style": style,
"gap": gap,
"padding": padding,
"start_time": start_time,
"duration": duration,
},
layer=0,
)
builder.components.append(component)
return builder