import { load as parseHTML } from "cheerio";
import { fetchApi, fetchFile } from "@libs/fetch";
import { Plugin } from "@typings/plugin";
import { Filters, FilterTypes } from "@libs/filterInputs";
import qs from "qs";

class NovelsOnline implements Plugin.PluginBase {
    id = "NO.net";
    name = "novelsOnline";
    site = "https://novelsonline.net";
    icon = "src/en/novelsonline/icon.png";
    version = "1.0.0";

    async popularNovels(
        page: number,
        { filters }: Plugin.PopularNovelsOptions<typeof this.filters>
    ): Promise<Plugin.NovelItem[]> {
        let link = this.site;
        if (filters.genre.value !== '')
            link += `/category/${filters.genre.value}/`;
        else
            link += `/top-novel/`;
        
        link += page
        link += `?change_type=${filters.sort.value}`

        const body = await fetchApi(link).then((r) => r.text());

        const loadedCheerio = parseHTML(body);
        const novel: Plugin.NovelItem[] = [];
        
        loadedCheerio('.top-novel-block').each((i,el) => {
            const novelName = loadedCheerio(el).find('h2').text();
            const novelCover = loadedCheerio(el).find('.top-novel-cover img').attr('src');
            const novelUrl = loadedCheerio(el).find('h2 a').attr('href');
            if (!novelUrl) return;

            novel.push({
                name: novelName,
                cover: novelCover,
                path: novelUrl.replace(this.site, ''),
            })
        })
        return novel;
    }

    async parseNovel(novelPath: string): Promise<Plugin.SourceNovel> {
        const result = await fetchApi(this.site + novelPath).then((res) => res.text());
        let $ = parseHTML(result);

        const novel: Plugin.SourceNovel = {
            path: novelPath,
            name: $("h1").text() || 'Untitled',
            cover: $(".novel-cover").find("a > img").attr("src"),
            chapters: [],
        };

        $('.novel-detail-item').each((i,el) => {
            let detailName = $(el).find('h6').text();
            let detail = $(el).find('.novel-detail-body');

            switch(detailName){
                case "Description":
                    novel.summary = detail.text();
                    break;
                case "Genre":
                    novel.genres = detail.find('li')
                        .map((_, el) => $(el).text())
                        .get()
                        .join(', ');
                    break;
                case "Author(s)":
                    novel.author = detail.find('li')
                        .map((_, el) => $(el).text())
                        .get()
                        .join(', ');
                    break;
                case "Status":
                    novel.status = detail.text().trim();
                    break;
            }
        })

        novel.chapters = $("ul.chapter-chs > li > a")
            .map((_, el) => {
                const chapterUrl = $(el).attr("href");
                const chapterName = $(el).text();

                return {
                    name: chapterName,
                    path: chapterUrl?.replace(this.site, ''),
                } as Plugin.ChapterItem;
            })
            .get();

        return novel;
    }

    async parseChapter(chapterPath: string): Promise<string> {
        const result = await fetchApi(this.site + chapterPath).then((res) => res.text());
        const loadedCheerio = parseHTML(result);

        const chapterText = loadedCheerio("#contentall").html() || "";

        return chapterText;
    }

    async searchNovels(searchTerm: string, pageNo: number): Promise<Plugin.NovelItem[]> {
        const result = await fetchApi(
            "https://novelsonline.net/sResults.php",
            {
                headers: {
                    Accept: "*/*",
                    "Accept-Language": "pl,en-US;q=0.7,en;q=0.3",
                    "Content-Type":
                        "application/x-www-form-urlencoded; charset=UTF-8",
                },
                method: "POST",
                body: qs.stringify({ q: searchTerm }),
            },
        ).then((res) => res.text());
        
        const $ = parseHTML(result);
    
        const headers = $("li");
        return headers
            .map((i, h) => {
                const novelName = $(h).text();
                const novelUrl = $(h).find("a").attr("href");
                const novelCover = $(h).find("img").attr("src");
    
                if (!novelUrl) return
    
                return {
                    name: novelName,
                    cover: novelCover,
                    path: novelUrl.replace(this.site, ''),
                };
            })
            .get()
            .filter((sr) => sr !== null)
    }

    async fetchImage(url: string): Promise<string | undefined> {
        return fetchFile(url);
    }

    filters = {
        sort: {
            value: "top_rated",
            label: "Sort by",
            options: [
                { label: "Top Rated", value: "top_rated" },
                { label: "Most Viewed", value: "view" },
            ],
            type: FilterTypes.Picker,
        },
        genre: {
            value: "",
            label: "Category",
            options: [
                { label: "None", value: "" },
                { label: "Action", value: "action" },
                { label: "Adventure", value: "adventure" },
                { label: "Celebrity", value: "celebrity" },
                { label: "Comedy", value: "comedy" },
                { label: "Drama", value: "drama" },
                { label: "Ecchi", value: "ecchi" },
                { label: "Fantasy", value: "fantasy" },
                { label: "Gender Bender", value: "gender-bender" },
                { label: "Harem", value: "harem" },
                { label: "Historical", value: "historical" },
                { label: "Horror", value: "horror" },
                { label: "Josei", value: "josei" },
                { label: "Martial Arts", value: "martial-arts" },
                { label: "Mature", value: "mature" },
                { label: "Mecha", value: "mecha" },
                { label: "Mystery", value: "mystery" },
                { label: "Psychological", value: "psychological" },
                { label: "Romance", value: "romance" },
                { label: "School Life", value: "school-life" },
                { label: "Sci-fi", value: "sci-fi" },
                { label: "Seinen", value: "seinen" },
                { label: "Shotacon", value: "shotacon" },
                { label: "Shoujo", value: "shoujo" },
                { label: "Shoujo Ai", value: "shoujo-ai" },
                { label: "Shounen", value: "shounen" },
                { label: "Shounen Ai", value: "shounen-ai" },
                { label: "Slice of Life", value: "slice-of-life" },
                { label: "Sports", value: "sports" },
                { label: "Supernatural", value: "supernatural" },
                { label: "Tragedy", value: "tragedy" },
                { label: "Wuxia", value: "wuxia" },
                { label: "Xianxia", value: "xianxia" },
                { label: "Xuanhuan", value: "xuanhuan" },
                { label: "Yaoi", value: "yaoi" },
                { label: "Yuri", value: "yuri" }
            ],
            type: FilterTypes.Picker,
        },
    } satisfies Filters;
}

export default new NovelsOnline();