import type { PropsWithChildren, ReactElement } from "react";
import { useColorScheme, View } from "react-native";
import Animated, {
  interpolate,
  useAnimatedRef,
  useAnimatedStyle,
  useScrollViewOffset,
} from "react-native-reanimated";
import styles from "./styles";
const HEADER_HEIGHT = 250;

type Props = PropsWithChildren<{
  headerImage: ReactElement;
  headerBackgroundColor: { dark: string; light: string };
}>;

export default function ParallaxScrollView({
  children,
  headerImage,
  headerBackgroundColor,
}: Props) {
  const colorScheme = useColorScheme() ?? "light";
  const scrollRef = useAnimatedRef<Animated.ScrollView>();
  const scrollOffset = useScrollViewOffset(scrollRef);

  const headerAnimatedStyle = useAnimatedStyle(() => {
    return {
      transform: [
        {
          translateY: interpolate(
            scrollOffset.value,
            [-HEADER_HEIGHT, 0, HEADER_HEIGHT],
            [-HEADER_HEIGHT / 2, 0, HEADER_HEIGHT * 0.75]
          ),
        },
        {
          scale: interpolate(
            scrollOffset.value,
            [-HEADER_HEIGHT, 0, HEADER_HEIGHT],
            [2, 1, 1]
          ),
        },
      ],
    };
  });

  return (
    <View style={styles.container}>
      <Animated.ScrollView ref={scrollRef} scrollEventThrottle={16}>
        <Animated.View
          style={[
            styles.header,
            { backgroundColor: headerBackgroundColor[colorScheme] },
            headerAnimatedStyle,
          ]}
        >
          {headerImage}
        </Animated.View>
        <View style={styles.content}>{children}</View>
      </Animated.ScrollView>
    </View>
  );
}