class ligntnovelworld {
    constructor(fetchPath, cheerioPath, browser) {
        this.browser = browser;
        this.fetch = require(fetchPath);
        this.cheerio = require(cheerioPath);
        this.baseUrl = "https://lightnovelworld.org/api";
        this.type = "book-board";
    }

    async fetchSearchResult(query = "", page = 1) {
        if (query.trim() !== "") {
            const res = await this.fetch(`${this.baseUrl}/search/?q=${encodeURIComponent(query)}&search_type=title`);
            const data = await res.json();

            const results = data.novels.map(n => ({
                id: n.slug,
                title: n.title,
                image: `https://lightnovelworld.org/${n.cover_path}`,
                sampleImageUrl: `https://lightnovelworld.org/${n.cover_path}`,
                tags: [],
                type: "book"
            }));

            return {
                results,
                hasNextPage: false,
                page
            };
        }

        const res = await this.fetch("https://lightnovelworld.org/");
        const html = await res.text();
        const $ = this.cheerio.load(html);

        const cards = $(".recommendations-grid .recommendation-card");
        const results = [];

        cards.each((_, el) => {
            const card = $(el);
            const link = card.find("a.card-cover-link").attr("href") || "";
            const id = link.replace(/^\/novel\//, "").replace(/\/$/, "");
            const title = card.find(".card-title").text().trim();

            const img = card.find(".card-cover img").attr("src") || "";
            const imageUrl = img.startsWith("http") ? img : `https://lightnovelworld.org${img}`;

            const tags = card.find(".card-genres .genre-tag").map((_, t) => $(t).text().trim()).get();

            results.push({
                id,
                title,
                image: imageUrl,
                sampleImageUrl: imageUrl,
                tags,
                type: "book"
            });
        });

        return {
            results,
            hasNextPage: false,
            page
        };
    }

    async findChapters(bookId) {
        let offset = 0;
        const limit = 500;
        const chapters = [];

        while (true) {
            const res = await this.fetch(`https://lightnovelworld.org/api/novel/${bookId}/chapters/?offset=${offset}&limit=${limit}`);
            const data = await res.json();

            chapters.push(
                ...data.chapters.map(c => ({
                    id: `https://lightnovelworld.org/novel/${bookId}/chapter/${c.number}/`,
                    title: c.title,
                    chapter: c.number,
                    language: 'en'
                }))
            );
            if (!data.has_more) break;
            offset += limit;

        }

        return chapters;
    }

    async findChapterPages(chapterId) {
        const res = await this.fetch(chapterId, {
            headers: {
                'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
                'referer': chapterId.replace(/\/\d+\/$/, ''),
                'sec-ch-ua': '"Chromium";v="139", "Not;A=Brand";v="99"',
                'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36'
            }
        });

        const html = await res.text();
        const $ = this.cheerio.load(html);

        const contentDiv = $('#chapterText');

        if (!contentDiv || contentDiv.length === 0) {
            return [{
                type: 'text',
                content: '<p>Error: content not found</p>',
                index: 0
            }];
        }

        contentDiv.find('script').remove();
        contentDiv.find('style').remove();
        contentDiv.find('ins').remove();
        contentDiv.find("[id^='pf-']").remove();
        contentDiv.find('.chapter-ad-container').remove();
        contentDiv.find('.ad-unit').remove();
        contentDiv.find('.ads').remove();
        contentDiv.find('.adsbygoogle').remove();
        contentDiv.find('.nf-ads').remove();
        contentDiv.find('div[align="center"]').remove();
        contentDiv.find("div[style*='text-align:center']").remove();

        const paragraphs = contentDiv.find('p');
        let cleanHtml = '';

        paragraphs.each((_, el) => {
            const p = $(el);
            let text = p.text() || '';

            text = text.replace(/△▼△▼△▼△/g, '').replace(/[※]+/g, '').replace(/\s{2,}/g, ' ').trim();
            const htmlP = p.html()?.trim() || '';
            const isEmpty = htmlP === '' || htmlP === '&nbsp;' || text.trim() === '';
            const isAd = text.includes('Remove Ads') || text.includes('Buy no ads') || text.includes('novelfire');

            if (!isEmpty && !isAd) {
                if (p.text() !== text) p.text(text);
                cleanHtml += $.html(p);
            }
        });

        if (!cleanHtml.trim()) { cleanHtml = contentDiv.html() || ''; }

        return [
            {
                type: 'text',
                content: cleanHtml.trim(),
                index: 0
            }
        ];
    }
}

module.exports = { novelupdates: ligntnovelworld };