import proxy from "$lib/Utility/proxy";

interface Chapter {
	href: string;
	chapterNum: string;
	chapterDate: string;
}

export const getChapterCount = async (
	nativeTitle: string,
): Promise<number | undefined> => {
	const html = new DOMParser().parseFromString(
		await (
			await fetch(
				proxy(`https://rawkuma.com/?s=${encodeURIComponent(nativeTitle)}`),
			)
		).text(),
		"text/html",
	);
	const listContent = html.querySelector(".listupd");

	if (
		listContent &&
		listContent.textContent &&
		listContent.textContent.includes("Not Found")
	) {
		return undefined;
	}

	const chapterCount = html.querySelector(".epxs");

	if (
		chapterCount &&
		chapterCount.textContent &&
		chapterCount.textContent.includes("Chapter")
	) {
		return Number.parseInt(
			chapterCount.textContent.replace("Chapter", "").trim(),
			10,
		);
	}

	return undefined;
};

export const getChaptersFromText = (text: string) => {
	const dom = new DOMParser()
		.parseFromString(text, "text/html")
		.querySelectorAll(".eph-num");
	const chapters: Chapter[] = [];

	dom.forEach((chapter) => {
		const href = chapter.querySelector("a")?.getAttribute("href");
		const chapterNum = chapter.querySelector(".chapternum")?.textContent;
		const chapterDate = chapter.querySelector(".chapterdate")?.textContent;

		if (href && chapterNum && chapterDate)
			chapters.push({
				href,
				chapterNum,
				chapterDate,
			});
	});

	return chapters;
};