Remotion Video Generator

{/* chuk-motion/src/chuk_motion/components/layouts/Vertical/template.tsx.j2 */}
import React from 'react';
import { AbsoluteFill, useCurrentFrame } from 'remotion';

interface VerticalProps {
  top?: React.ReactNode;
  bottom?: React.ReactNode;
  startFrame: number;
  durationInFrames: number;
  layout_style?: string;
  top_ratio?: number;
  padding?: number;
  gap?: number;
  border_width?: number;
  border_color?: string;
  border_radius?: number;
}

export const Vertical: React.FC<VerticalProps> = ({
  top,
  bottom,
  startFrame,
  durationInFrames,
  layout_style = 'top-bottom',
  top_ratio = 50,
  padding = parseInt('[[ spacing.spacing.xl ]]'),
  gap = parseInt('[[ spacing.spacing.md ]]'),
  border_width,
  border_color = '[[ colors.border.light ]]',
  border_radius = parseInt('[[ spacing.border_radius.md ]]')
}) => {
  const frame = useCurrentFrame();

  if (frame < startFrame || frame >= startFrame + durationInFrames) {
    return null;
  }

  const bottom_ratio = 100 - top_ratio;

  return (
    <AbsoluteFill style={{ pointerEvents: 'none' }}>
      <div
        style={{
          position: 'absolute',
          top: padding,
          left: padding,
          right: padding,
          bottom: padding,
          display: 'flex',
          flexDirection: 'column',
          gap: gap,
          width: `calc(100% - ${padding * 2}px)`,
          height: `calc(100% - ${padding * 2}px)`,
        }}
      >
        {top && (
          <div style={{
            width: '100%',
            height: `${top_ratio}%`,
            display: 'flex',
            overflow: 'hidden',
            position: 'relative',
            ...(border_width && {
              border: `${border_width}px solid ${border_color}`,
              borderRadius: border_radius
            }),
          }}>
            {top}
          </div>
        )}
        {bottom && (
          <div style={{
            width: '100%',
            height: `${bottom_ratio}%`,
            display: 'flex',
            overflow: 'hidden',
            position: 'relative',
            ...(border_width && {
              border: `${border_width}px solid ${border_color}`,
              borderRadius: border_radius
            }),
          }}>
            {bottom}
          </div>
        )}
      </div>
    </AbsoluteFill>
  );
};