import { useEffect, useState } from "react";
import { Keyboard, LayoutAnimation, Platform } from "react-native";

export function useKeyboardHeight(): number {
    const [height, setHeight] = useState(0);

    useEffect(() => {
        const showEvent = Platform.OS === 'ios' ? 'keyboardWillShow' : 'keyboardDidShow';
        const hideEvent = Platform.OS === 'ios' ? 'keyboardWillHide' : 'keyboardDidHide';

        const showSub = Keyboard.addListener(showEvent, (e) => {
            LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
            setHeight(e.endCoordinates.height);
        });

        const hideSub = Keyboard.addListener(hideEvent, () => {
            LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
            setHeight(0);
        });

        return () => {
            showSub.remove();
            hideSub.remove();
        };
    }, []);

    return height;
}