import cheerio from "cheerio";
import { fetchApi, fetchFile } from "@libs/fetch";
import { FilterInputs } from "@libs/filterInputs";
import { Chapter, Novel, Plugin } from "@typings/plugin";

const pluginId = "novelupdates";
const baseUrl = "https://www.novelupdates.com/";

const headers = {
    "User-Agent":
        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36",
};

function getPopularNovelsUrl(
    page: number,
    { showLatestNovels, filters }: Plugin.Options
) {
    let url = `${baseUrl}${
        filters
            ? "series-finder"
            : showLatestNovels
            ? "latest-series"
            : "series-ranking"
    }/`;

    if (!filters) {
        url += "?rank=week";
    } else {
        url += "?sf=1";
    }

    if (filters) {
        if (Array.isArray(filters.novelType) && filters.novelType?.length) {
            url += "&nt=" + filters?.novelType.join(",");
        }

        if (Array.isArray(filters.genres) && filters.genres?.length) {
            url += "&gi=" + filters?.genres.join(",") + "&mgi=and";
        }

        if (Array.isArray(filters.language) && filters.language?.length) {
            url += "&org=" + filters?.language.join(",");
        }

        if (filters.storyStatus) {
            url += "&ss=" + filters?.storyStatus;
        }
    }

    if (!filters?.sort) {
        url += "&sort=" + "sdate";
    } else {
        url += "&sort=" + filters?.sort;
    }

    if (!filters?.order) {
        url += "&order=" + "desc";
    } else {
        url += "&order=" + filters?.order;
    }

    return url;
}

export const popularNovels: Plugin.popularNovels = async function (
    page,
    { showLatestNovels, filters }
) {
    const url = getPopularNovelsUrl(page, { showLatestNovels, filters });

    const result = await fetchApi(url, { headers: headers }, pluginId);
    const body = await result.text();

    const loadedCheerio = cheerio.load(body);

    const novels: Novel.Item[] = [];

    loadedCheerio("div.search_main_box_nu").each(function (res) {
        const novelCover = loadedCheerio(this).find("img").attr("src");
        const novelName = loadedCheerio(this).find(".search_title > a").text();
        const novelUrl = loadedCheerio(this)
            .find(".search_title > a")
            .attr("href");

        if (!novelUrl) return;

        const novel = {
            name: novelName,
            cover: novelCover,
            url: novelUrl,
        };

        novels.push(novel);
    });

    return novels;
};

export const parseNovelAndChapters: Plugin.parseNovelAndChapters =
    async function (novelUrl) {
        const url = novelUrl;

        const result = await fetchApi(url, { headers: headers }, pluginId);
        const body = await result.text();

        let loadedCheerio = cheerio.load(body);

        const novel: Novel.instance = {
            url,
            chapters: [],
        };

        novel.name = loadedCheerio(".seriestitlenu").text();

        novel.cover = loadedCheerio(".seriesimg > img").attr("src");

        novel.author = loadedCheerio("#showauthors").text().trim();

        novel.genres = loadedCheerio("#seriesgenre")
            .children("a")
            .map((i, el) => loadedCheerio(el).text())
            .toArray()
            .join(",");
        novel.status = loadedCheerio("#editstatus").text().includes("Ongoing")
            ? "Ongoing"
            : "Completed";

        let type = loadedCheerio("#showtype").text().trim();

        let summary = loadedCheerio("#editdescription").text().trim();

        novel.summary = summary + `\n\nType: ${type}`;

        let chapter: Chapter.Item[] = [];

        const novelId = loadedCheerio("input#mypostid").attr("value")!;

        let formData = new FormData();
        formData.append("action", "nd_getchapters");
        formData.append("mygrr", "0");
        formData.append("mypostid", novelId);

        let link = "https://www.novelupdates.com/wp-admin/admin-ajax.php";

        const text = await fetchApi(
            link,
            {
                method: "POST",
                body: formData,
                headers: headers,
            },
            pluginId
        ).then((data) => data.text());

        loadedCheerio = cheerio.load(text);

        loadedCheerio("li.sp_li_chp").each(function () {
            const chapterName = loadedCheerio(this).text().trim();

            const releaseDate = null;

            const chapterUrl =
                "https:" +
                loadedCheerio(this).find("a").first().next().attr("href");

            chapter.push({
                name: chapterName,
                releaseTime: releaseDate,
                url: chapterUrl,
            });
        });

        novel.chapters = chapter.reverse();

        return novel;
    };

function getLocation(href: string) {
    var match = href.match(
        /^(https?:)\/\/(([^:/?#]*)(?::([0-9]+))?)([/]{0,1}[^?#]*)(\?[^#]*|)(#.*|)$/
    );
    return match && `${match[1]}//${match[3]}`;
}

export const parseChapter: Plugin.parseChapter = async function (chapterUrl) {
    // console.log('Original URL: ', chapterUrl);

    let chapterText = "";

    const result = await fetchApi(
        chapterUrl,
        {
            method: "GET",
            headers: headers,
        },
        pluginId
    );
    const body = await result.text();

    // console.log(result.chapterUrl);

    // console.log('Redirected URL: ', result.chapterUrl);

    const loadedCheerio = cheerio.load(body);

    let isWuxiaWorld = result.chapterUrl.toLowerCase().includes("wuxiaworld");

    let isBlogspot = result.chapterUrl.toLowerCase().includes("blogspot");

    let isTumblr = result.chapterUrl.toLowerCase().includes("tumblr");

    let isWattpad = result.chapterUrl.toLowerCase().includes("wattpad");

    let isLightNovelsTls = result.chapterUrl
        .toLowerCase()
        .includes("lightnovelstranslations");

    let isiNovelTranslation = result.chapterUrl
        .toLowerCase()
        .includes("inoveltranslation");

    let isTravisTranslation = result.chapterUrl
        .toLowerCase()
        .includes("travistranslations");

    /**
     * Checks if its a wordpress site
     */
    let isWordPressStr =
        loadedCheerio('meta[name="generator"]').attr("content") ||
        loadedCheerio("footer").text();

    let isWordPress = false;

    if (isWordPressStr) {
        isWordPress =
            isWordPressStr.toLowerCase().includes("wordpress") ||
            isWordPressStr.includes("Site Kit by Google") ||
            loadedCheerio(".powered-by")
                .text()
                .toLowerCase()
                .includes("wordpress");
    }

    let isRainOfSnow = result.chapterUrl.toLowerCase().includes("rainofsnow");

    let isWebNovel = result.chapterUrl.toLowerCase().includes("webnovel");

    let isHostedNovel = result.chapterUrl.toLowerCase().includes("hostednovel");

    let isScribbleHub = result.chapterUrl.toLowerCase().includes("scribblehub");

    if (isWuxiaWorld) {
        chapterText = loadedCheerio("#chapter-content").html()!;
    } else if (isRainOfSnow) {
        chapterText = loadedCheerio("div.content").html()!;
    } else if (isTumblr) {
        chapterText = loadedCheerio(".post").html()!;
    } else if (isBlogspot) {
        loadedCheerio(".post-share-buttons").remove();
        chapterText = loadedCheerio(".entry-content").html()!;
    } else if (isHostedNovel) {
        chapterText = loadedCheerio(".chapter").html()!;
    } else if (isScribbleHub) {
        chapterText = loadedCheerio("div.chp_raw").html()!;
    } else if (isWattpad) {
        chapterText = loadedCheerio(".container  pre").html()!;
    } else if (isTravisTranslation) {
        chapterText = loadedCheerio(".reader-content").html()!;
    } else if (isLightNovelsTls) {
        chapterText = loadedCheerio(".text_story").html()!;
    } else if (isiNovelTranslation) {
        chapterText = loadedCheerio(".chakra-skeleton").html()!;
    } else if (isWordPress) {
        /**
         * Remove wordpress bloat tags
         */

        const bloatClasses = [
            ".c-ads",
            "#madara-comments",
            "#comments",
            ".content-comments",
            ".sharedaddy",
            ".wp-dark-mode-switcher",
            ".wp-next-post-navi",
            ".wp-block-buttons",
            ".wp-block-columns",
            ".post-cats",
            ".sidebar",
            ".author-avatar",
            ".ezoic-ad",
        ];

        bloatClasses.map((tag) => loadedCheerio(tag).remove());

        chapterText =
            loadedCheerio(".entry-content").html() ||
            loadedCheerio(".single_post").html() ||
            loadedCheerio(".post-entry").html() ||
            loadedCheerio(".main-content").html() ||
            loadedCheerio("article.post").html() ||
            loadedCheerio(".content").html() ||
            loadedCheerio("#content").html() ||
            loadedCheerio(".page-body").html() ||
            loadedCheerio(".td-page-content").html()!;
    } else if (isWebNovel) {
        chapterText = loadedCheerio(".cha-words").html()!;

        if (!chapterText) {
            chapterText = loadedCheerio("._content").html()!;
        }
    } else {
        /**
         * Remove unnecessary tags
         */
        const tags = ["nav", "header", "footer", ".hidden"];

        tags.map((tag) => loadedCheerio(tag).remove());

        chapterText = loadedCheerio("body").html()!;
    }

    if (chapterText) {
        /**
         * Convert relative urls to absolute
         */
        chapterText = chapterText.replace(
            /href="\//g,
            `href="${getLocation(result.chapterUrl)}/`
        );
    }

    return chapterText;
};

export const searchNovels: Plugin.searchNovels = async function (searchTerm) {
    const url =
        "https://www.novelupdates.com/?s=" +
        searchTerm +
        "&post_type=seriesplans";

    const result = await fetchApi(url, { headers: headers }, pluginId);
    const body = await result.text();

    const loadedCheerio = cheerio.load(body);

    let novels: Novel.Item[] = [];

    loadedCheerio("div.search_main_box_nu").each(function () {
        const novelCover = loadedCheerio(this).find("img").attr("src");
        const novelName = loadedCheerio(this).find(".search_title > a").text();
        const novelUrl = loadedCheerio(this)
            .find(".search_title > a")
            .attr("href")
            ?.split("/")[4];

        if (!novelUrl) return;

        novels.push({
            name: novelName,
            url: novelUrl,
            cover: novelCover,
        });
    });
    return novels;
};

export const fetchImage: Plugin.fetchImage = async function (url) {
    return await fetchFile(url, { headers: headers });
};

const filters = [
    {
        key: "sort",
        label: "Sort Results By",
        values: [
            { label: "Last Updated", value: "sdate" },
            { label: "Rating", value: "srate" },
            { label: "Rank", value: "srank" },
            { label: "Reviews", value: "sreview" },
            { label: "Chapters", value: "srel" },
            { label: "Title", value: "abc" },
            { label: "Readers", value: "sread" },
            { label: "Frequency", value: "sfrel" },
        ],
        inputType: FilterInputs.Picker,
    },
    {
        key: "order",
        label: "Order",
        values: [
            { label: "Descending", value: "desc" },
            { label: "Ascending", value: "asc" },
        ],
        inputType: FilterInputs.Picker,
    },
    {
        key: "storyStatus",
        label: "Story Status (Translation)",
        values: [
            { label: "All", value: "" },
            { label: "Completed", value: "2" },
            { label: "Ongoing", value: "3" },
            { label: "Hiatus", value: "4" },
        ],
        inputType: FilterInputs.Picker,
    },
    {
        key: "language",
        label: "Language",
        values: [
            { label: "Chinese", value: 495 },
            { label: "Filipino", value: 9181 },
            { label: "Indonesian", value: 9179 },
            { label: "Japanese", value: 496 },
            { label: "Khmer", value: 18657 },
            { label: "Korean", value: 497 },
            { label: "Malaysian", value: 9183 },
            { label: "Thai", value: 9954 },
            { label: "Vietnamese", value: 9177 },
        ],
        inputType: FilterInputs.Checkbox,
    },
    {
        key: "novelType",
        label: "Novel Type",
        values: [
            { label: "Light Novel", value: "2443" },
            { label: "Published Novel", value: "26874" },
            { label: "Web Novel", value: "2444" },
        ],
        inputType: FilterInputs.Checkbox,
    },
    {
        key: "genres",
        label: "Genres",
        values: [
            { label: "Action", value: 8 },
            { label: "Adult", value: 280 },
            { label: "Adventure", value: 13 },
            { label: "Comedy", value: 17 },
            { label: "Drama", value: 9 },
            { label: "Ecchi", value: 292 },
            { label: "Fantasy", value: 5 },
            { label: "Gender Bender", value: 168 },
            { label: "Harem", value: 3 },
            { label: "Historical", value: 330 },
            { label: "Horror", value: 343 },
            { label: "Josei", value: 324 },
            { label: "Martial Arts", value: 14 },
            { label: "Mature", value: 4 },
            { label: "Mecha", value: 10 },
            { label: "Mystery", value: 245 },
            { label: "Psychoical", value: 486 },
            { label: "Romance", value: 15 },
            { label: "School Life", value: 6 },
            { label: "Sci-fi", value: 11 },
            { label: "Seinen", value: 18 },
            { label: "Shoujo", value: 157 },
            { label: "Shoujo Ai", value: 851 },
            { label: "Shounen", value: 12 },
            { label: "Shounen Ai", value: 1692 },
            { label: "Slice of Life", value: 7 },
            { label: "Smut", value: 281 },
            { label: "Sports", value: 1357 },
            { label: "Supernatural", value: 16 },
            { label: "Tragedy", value: 132 },
            { label: "Wuxia", value: 479 },
            { label: "Xianxia", value: 480 },
            { label: "Xuanhuan", value: 3954 },
            { label: "Yaoi", value: 560 },
            { label: "Yuri", value: 922 },
        ],
        inputType: FilterInputs.Checkbox,
    },
];

module.exports = {
    id: pluginId,
    name: "Novel Updates",
    version: "0.5.0",
    icon: "src/en/novelupdates/icon.png",
    site: baseUrl,
    protected: false,
    fetchImage,
    popularNovels,
    parseNovelAndChapters,
    parseChapter,
    searchNovels,
    filters,
};