import {
  AbsoluteFill,
  interpolate,
  Sequence,
  spring,
  useCurrentFrame,
  useVideoConfig,
} from "remotion";
import { Logo } from "./HelloWorld/Logo";
import { Subtitle } from "./HelloWorld/Subtitle";
import { Title } from "./HelloWorld/Title";

export type HelloWorldProps = {
  readonly titleText: string;
  readonly titleColor: string;
  readonly logoColor1: string;
  readonly logoColor2: string;
};

export const HelloWorld: React.FC<HelloWorldProps> = ({
  titleText: propOne,
  titleColor: propTwo,
  logoColor1,
  logoColor2,
}) => {
  const frame = useCurrentFrame();
  const { durationInFrames, fps } = useVideoConfig();

  // Animate from 0 to 1 after 25 frames
  const logoTranslationProgress = spring({
    frame: frame - 25,
    fps,
    config: {
      damping: 100,
    },
  });

  // Move the logo up by 150 pixels once the transition starts
  const logoTranslation = interpolate(
    logoTranslationProgress,
    [0, 1],
    [0, -150],
  );

  // Fade out the animation at the end
  const opacity = interpolate(
    frame,
    [durationInFrames - 25, durationInFrames - 15],
    [1, 0],
    {
      extrapolateLeft: "clamp",
      extrapolateRight: "clamp",
    },
  );

  // A <AbsoluteFill> is just a absolutely positioned <div>!
  return (
    <AbsoluteFill style={{ backgroundColor: "white" }}>
      <AbsoluteFill style={{ opacity }}>
        <AbsoluteFill style={{ transform: `translateY(${logoTranslation}px)` }}>
          <Logo logoColor1={logoColor1} logoColor2={logoColor2} />
        </AbsoluteFill>
        {/* Sequences can shift the time for its children! */}
        <Sequence from={35}>
          <Title titleText={propOne} titleColor={propTwo} />
        </Sequence>
        {/* The subtitle will only enter on the 75th frame. */}
        <Sequence from={75}>
          <Subtitle />
        </Sequence>
      </AbsoluteFill>
    </AbsoluteFill>
  );
};