import type { Media } from '$lib/AniList/media';
import type { SubsPleaseEpisode } from './Anime/Airing/Subtitled/subsPlease';

interface OnMouseEnterLeave {
	item: SubsPleaseEpisode | null;
	media: Media | null;
}

export const onMouseEnter = (item: SubsPleaseEpisode, media: Media | null) => {
	return { item, media } as OnMouseEnterLeave;
};

export const onMouseLeave = () => {
	return { item: null, media: null } as OnMouseEnterLeave;
};

interface OnMouseMove {
	height: number;
	style: string;
}

export const onMouseMove = (event: MouseEvent) => {
	const imageWidth = 300;
	const offset = 10;
	let imageLeft = 0;
	let imageTop = 0;
	const image = document.getElementsByClassName('hover-image')[0] as HTMLImageElement;
	const response: OnMouseMove = {
		height: 0,
		style: ''
	};

	image.onload = () => (response.height = image.height);
	imageLeft =
		event.pageX + imageWidth + offset > window.innerWidth
			? event.pageX - imageWidth - offset
			: event.pageX + offset;
	imageTop =
		event.pageY + response.height + offset > window.innerHeight
			? event.pageY - response.height
			: event.pageY + offset;
	response.style = `top: ${imageTop}px; left: ${imageLeft}px;`;

	return response;
};