"""Animation utilities for CAE visualization."""

from __future__ import annotations

import logging
from typing import List
import numpy as np

from .mesh import FEAMesh

logger = logging.getLogger(__name__)


class TimeSeriesAnimation:
    """Time series animation for CAE results."""

    def __init__(self, mesh: FEAMesh, time_steps: List[float]) -> None:
        self.mesh = mesh
        self.time_steps = time_steps
        self.data_series: List[np.ndarray] = []

    def add_time_step_data(self, data: np.ndarray) -> None:
        """Add data for a time step."""
        self.data_series.append(data)

    def animate(self, fps: int = 30) -> None:
        """Create animation."""
        logger.info(
            f"Creating animation with {len(self.data_series)} frames at {fps} FPS"
        )
        # Placeholder implementation
        pass


class DeformationAnimation:
    """Deformation animation for structural analysis."""

    def __init__(self, mesh: FEAMesh, displacement_history: List[np.ndarray]) -> None:
        self.mesh = mesh
        self.displacement_history = displacement_history

    def animate_deformation(self, scale_factor: float = 1.0, fps: int = 30) -> None:
        """Animate mesh deformation."""
        logger.info(f"Animating deformation with scale factor {scale_factor}")
        # Placeholder implementation
        pass
