import { Route } from '@/types';
import cache from '@/utils/cache';
import { config } from '@/config';
import { load } from 'cheerio';
import got from '@/utils/got';
import { parseDate } from '@/utils/parse-date';
import timezone from '@/utils/timezone';

export const route: Route = {
    path: '/bbs/hot',
    categories: ['university'],
    example: '/pku/bbs/hot',
    parameters: {},
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: true,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    radar: [
        {
            source: ['bbs.pku.edu.cn/v2/hot-topic.php', 'bbs.pku.edu.cn/'],
        },
    ],
    name: '北大未名 BBS 全站十大',
    maintainers: ['wooddance'],
    handler,
    url: 'bbs.pku.edu.cn/v2/hot-topic.php',
    description: `::: warning
  论坛部分帖子正文内容的获取需要用户登录后的 Cookie 值，详情见部署页面的配置模块。
:::`,
};

async function handler() {
    const cookie = config.pkubbs.cookie;
    const headers = {};
    if (cookie) {
        headers.cookie = cookie;
    }
    const r = await got('https://bbs.pku.edu.cn/v2/hot-topic.php', { headers });
    const $ = load(r.body);
    const listItems = $('#list-content .list-item')
        .toArray()
        .map((element) => ({
            url: new URL($(element).find('> a.link').attr('href'), 'https://bbs.pku.edu.cn/v2/').href,
            title: $(element).find('.title').text(),
        }))
        .slice(0, 10);

    const item = await Promise.all(
        listItems.map(({ url, title }) =>
            cache.tryGet(url, async () => {
                // try catch 处理部分无 Cookie 时无法访问的帖子
                try {
                    const r = await got(url, { headers });
                    const $ = load(r.body);
                    const date = $('.post-card:first-child .sl-triangle-container .down-list span').text() || $('.post-card:first-child .sl-triangle-container .title span').text();
                    return {
                        title,
                        description: $('.post-card:first-child .content').html(),
                        link: url,
                        guid: url,
                        pubDate: timezone(parseDate(date, '发表于YYYY-MM-DD HH:mm:ss'), +8),
                    };
                } catch {
                    return {
                        title,
                        link: url,
                        guid: url,
                    };
                }
            })
        )
    );
    return {
        title: '北大未名BBS 全站十大',
        link: 'https://bbs.pku.edu.cn/v2/hot-topic.php',
        description: '北大未名BBS 全站热门话题前十名',
        item,
    };
}