class ZeroChan {
    baseUrl = "https://zerochan.net";

    constructor(fetchPath, cheerioPath, browser) {
        this.browser = browser;
        this.type = "image-board";
    }

    async fetchSearchResult(query = "hello", page = 1, perPage = 48) {
        const url = `${this.baseUrl}/${query.trim().replace(/\s+/g, "+")}?p=${page}`;

        const data = await this.browser.scrape(
            url,
            () => {
                const list = document.querySelectorAll("#thumbs2 li");
                if (list.length === 0) {
                    return { results: [], hasNextPage: false };
                }
                const results = [];

                list.forEach(li => {
                    const id = li.getAttribute("data-id");
                    if (!id) return;

                    const img = li.querySelector("img");
                    const imgUrl =
                        img?.getAttribute("data-src") ||
                        img?.getAttribute("src") ||
                        null;

                    if (!imgUrl) return;

                    const tagLinks = li.querySelectorAll("p a");
                    const tags = [...tagLinks]
                        .map(a => a.textContent.trim())
                        .filter(Boolean);

                    results.push({
                        id,
                        image: imgUrl,
                        sampleImageUrl: imgUrl,
                        tags,
                        type: "preview"
                    });
                });

                const hasNextPage = document.querySelector('nav.pagination a[rel="next"]') !== null;

                return {
                    results,
                    hasNextPage
                };
            },
            { waitSelector: "#thumbs2 li", timeout: 15000, renderWaitTime: 3000, loadImages: true }
        );

        console.log(data)

        return {
            results: data.results,
            hasNextPage: data.hasNextPage,
            page
        };
    }

    async fetchInfo(id) {
        const url = `${this.baseUrl}/${id}`;

        const data = await this.browser.scrape(
            url,
            () => {
                const preview = document.querySelector("a.preview");
                if (!preview) {
                    return {
                        fullImage: null,
                        tags: [],
                        createdAt: Date.now()
                    };
                }

                const fullImage = preview.getAttribute("href") || null;
                const img = preview.querySelector("img");
                const alt = img?.getAttribute("alt") || "";

                let tags = [];
                if (alt.startsWith("Tags:")) {
                    tags = alt
                        .replace("Tags:", "")
                        .split(",")
                        .map(t => t.trim())
                        .filter(Boolean);
                }

                return {
                    fullImage,
                    tags,
                    createdAt: Date.now()
                };
            },
            { waitSelector: "a.preview img", timeout: 15000 }
        );

        return {
            id,
            fullImage: data.fullImage,
            tags: data.tags,
            createdAt: data.createdAt,
            rating: "Unknown"
        };
    }
}

module.exports = { ZeroChan };