import { fetchFile } from "@libs/fetch";
import { Filters } from "@libs/filterInputs";
import { NovelStatus } from "@libs/novelStatus";
import { Plugin } from "@typings/plugin";
import { CheerioAPI, load as parseHTML } from "cheerio";

class Nettruyen implements Plugin.PagePlugin {
    id = 'nettruyen';
    name = 'Nettruyen';
    icon = 'src/vi/nettruyen/icon.png';
    site = 'https://nettruyen.com.vn';
    version = '1.0.0';
    parseNovels(loadedCheerio: CheerioAPI){
        const novels: Plugin.NovelItem[] = [];
        loadedCheerio('#listchuong > ul > li > a.thumb').each((idx, ele) => {
            const path = ele.attribs['href'];
            if(!path) return;
            const name = ele.attribs['title'];
            const cover = this.site + '/' + loadedCheerio(ele).find('img').first().attr('src');
            novels.push({
                path: '/' + path,
                name,
                cover
            })
        })
        return novels;
    }
    async popularNovels(pageNo: number, options: Plugin.PopularNovelsOptions<Filters>): Promise<Plugin.NovelItem[]> {
        const url = `${this.site}/xem-nhieu/trang-${pageNo}.html`;
        const body = await fetch(url).then(r => r.text());
        return this.parseNovels(parseHTML(body));
    }
    parseChapters(loadedCheerio: CheerioAPI){
        const chapters: Plugin.ChapterItem[] = [];
        loadedCheerio('ul.list-unstyled > li > a').each((idx, ele) => {
            const path = ele.attribs['href'];
            if(!path) return;
            const name = ele.attribs['title'];
            chapters.push({
                path: '/' + path,
                name,
                chapterNumber: Number(name.match(/Chương (\d+)/)?.[1])
            })
        })
        return chapters;
    }
    async parseNovel(novelPath: string): Promise<Plugin.SourceNovel & { totalPages: number; }> {
        const url = this.site + novelPath;
        const body = await fetch(url).then(r => r.text());
        const loadedCheerio = parseHTML(body);
        const novel: Plugin.SourceNovel & { totalPages: number; } = {
            path: novelPath,
            name: loadedCheerio('.gioithieutruyen.profile-info > h1').text().trim(),
            chapters: [],
            totalPages: Number(loadedCheerio('.phantrang > span:nth-child(2)').text()) || 1,
        }
        novel.cover = this.site + '/' + loadedCheerio('.img-thumb > img').attr('src');
        loadedCheerio('.thongtintruyen.note.note-info').each((idx, ele) => {
            const strong = loadedCheerio(ele).find('strong').text().trim();
            switch(strong){
                case 'Tác giả':
                    novel.author = loadedCheerio(ele).text().replace(/Tác giả\s+\n?:/, '')
                    break;
                case 'Trạng thái':
                    const text = loadedCheerio(ele).text();
                    if(text.includes('Đang ra')){
                        novel.status = NovelStatus.Ongoing;
                    }else if(text.includes('Hoàn thành')){
                        novel.status = NovelStatus.Completed;
                    }else {
                        novel.status = NovelStatus.Unknown;
                    }
                    break;
                case 'Thể loại':
                    novel.genres = loadedCheerio('a > span').toArray().map((gEle) => loadedCheerio(gEle).text()).join(',');
                    break;
                default: 
                    break;
            }
        });
        novel.summary = loadedCheerio('.gioithieutruyen > .gioithieutruyen').text().trim()
        novel.chapters = this.parseChapters(loadedCheerio);
        return novel;
    }
    async parsePage(novelPath: string, page: string): Promise<Plugin.SourcePage> {
        const id = novelPath.match(/-(\d+)\//)?.[1];
        if(!id) throw new Error("Cant parse page");
        const url = `${this.site}/ajax.chuong.php?id=${id}&page=${page}&url=${novelPath.replace(/\//g,'')}&loai=truyendich`;
        const body = await fetch(url).then(r => r.text());
        const chapters = this.parseChapters(parseHTML(body));
        return {
            chapters
        }
    }
    async parseChapter(chapterPath: string): Promise<string> {
        const url = this.site + chapterPath;
        const body = await fetch(url).then(r => r.text());
        const loadedCheerio = parseHTML(body);
        return loadedCheerio('#noidungchap').html() || '';
    }
    async searchNovels(searchTerm: string, pageNo: number): Promise<Plugin.NovelItem[]> {
        throw new Error("Method not implemented.");
    }
    async fetchImage(url: string): Promise<string | undefined> {
        return fetchFile(url);
    }
}
export default new Nettruyen();