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

    async fetchSearchResult(query = "", page = 1) {
        let html;

        if (query.trim() === "") {
            const res = await this.fetch(`${this.baseUrl}/home`);
            html = await res.text();
        } else {
            const res = await this.fetch(
                `${this.baseUrl}/ajax/searchLive?inputContent=${encodeURIComponent(query)}`
            );
            const data = await res.json();
            html = data.html;
        }

        const $ = this.cheerio.load(html);
        const results = [];

        $(".novel-item").each((_, el) => {
            const a = $(el).find("a");
            const href = a.attr("href") || "";
            const title = $(el).find(".novel-title").text().trim();

            const img = $(el).find("img");
            const image = img.attr("data-src") || img.attr("src") || "";

            const id = href.replace("https://novelfire.net/book/", "").replace(/\/$/, "");

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

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

    async findChapters(bookId) {
        const url = `https://novelfire.net/book/${bookId}/chapter-1`;

        const options = await this.browser.scrape(
            url,
            async () => {
                const sleep = ms => new Promise(r => setTimeout(r, ms));

                const select = document.querySelector('.chapindex');
                if (!select) return [];

                select.dispatchEvent(new MouseEvent('mousedown', { bubbles: true }));
                select.dispatchEvent(new MouseEvent('click', { bubbles: true }));

                for (let i = 0; i < 20; i++) {
                    if (document.querySelectorAll('.select2-results__option').length > 0) break;
                    await sleep(300);
                }

                return [...select.querySelectorAll('option')].map(opt => ({
                    id: opt.value,
                    title: opt.textContent.trim(),
                    chapter: Number(opt.dataset.n_sort || 0),
                }));
            },
            {
                waitSelector: '.chapindex',
                timeout: 10000
            }
        );

        return {
            chapters: options.map(o => ({
                id: `https://novelfire.net/book/${bookId}/chapter-${o.chapter}`,
                title: o.title,
                chapter: o.chapter,
                language: "en"
            }))
        };
    }

    async findChapterPages(chapterId) {
        const res = await this.fetch(chapterId);
        const html = await res.text();

        const $ = this.cheerio.load(html);
        const contentDiv = $("#content");

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

        contentDiv.find("script").remove();
        contentDiv.find("ins").remove();
        contentDiv.find("[id^='pf-']").remove();
        contentDiv.find(".ads").remove();
        contentDiv.find(".adsbygoogle").remove();
        contentDiv.find("div[style*='text-align:center']").remove();
        contentDiv.find("div[align='center']").remove();
        contentDiv.find(".nf-ads").remove();
        contentDiv.find("nfne597").remove();

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

        paragraphs.each((_, el) => {
            const p = $(el);

            let text = p.text() || "";

            text = text.replace(/△▼△▼△▼△/g, "");
            text = text.replace(/[※]+/g, "");
            text = text.replace(/\s{2,}/g, " ");

            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: novelfire };