import { Route } from '@/types';

import cache from '@/utils/cache';
import got from '@/utils/got';
import { load } from 'cheerio';
import { parseDate } from '@/utils/parse-date';
import timezone from '@/utils/timezone';
import { art } from '@/utils/render';
import path from 'node:path';

const rootUrl = 'https://lvv2.com';

const titleMap = {
    'sort-realtime': {
        't-month': '24小时榜 一月内',
        't-week': '24小时榜 一周内',
        't-day': '24小时榜 一天内',
        't-hour': '24小时榜 一小时内',
    },
    'sort-hot': '热门',
    'sort-new': '最新',
    'sort-score': {
        't-month': '得分 一月内',
        't-week': '得分 一周内',
        't-day': '得分 一天内',
        't-hour': '得分 一小时内',
    },
};

export const route: Route = {
    path: '/news/:channel/:sort?',
    categories: ['new-media'],
    example: '/lvv2/news/sort-score',
    parameters: { channel: '频道，见下表', sort: '排序方式，仅得分和24小时榜可选填该参数，见下表' },
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: true,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    name: '频道',
    maintainers: ['Fatpandac'],
    handler,
    description: `|   热门   |   最新   |    得分    |   24 小时榜   |
| :------: | :------: | :--------: | :-----------: |
| sort-hot | sort-new | sort-score | sort-realtime |

| 排序方式 | 一小时内 | 一天内 | 一个周内 | 一个月内 |
| :------: | :------: | :----: | :------: | :------: |
|          |  t-hour  |  t-day |  t-week  |  t-month |`,
};

async function handler(ctx) {
    const channel = ctx.req.param('channel');
    const sort = (channel === 'sort-realtime' || channel === 'sort-score') && !ctx.req.param('sort') ? 't-week' : ctx.req.param('sort');
    const url = `${rootUrl}/${channel}/${sort}`;

    const response = await got(url);
    const $ = load(response.data);
    const list = $('div.spacer > div')
        .toArray()
        .map((item) => ({
            title: $(item).find('h3 > a.title').text().trim(),
            author: $(item).find('a.author').text().trim(),
            link: new URL($(item).find('h3.title > a.title').attr('href'), rootUrl).href.replace(/(https:\/\/lvv2\.com.*?)\/title.*/, '$1'),
            pubDate: timezone(parseDate($(item).find('a.dateline > time').attr('datetime')), +8),
        }))
        .filter((item) => item.title !== '');

    const items = await Promise.all(
        list.map((item) =>
            cache.tryGet(item.link, async () => {
                item.description =
                    new URL(item.link).hostname === 'instant.lvv2.com'
                        ? await cache.tryGet(item.link, async () => {
                              const articleResponse = await got(item.link);
                              const article = load(articleResponse.data);

                              const description = article('#_tl_editor')
                                  .html()
                                  .replaceAll(/src=["'|]data.*?["'|]/g, '')
                                  .replaceAll(/(<img.*?)data-src(.*?>)/g, '$1src$2');

                              return description;
                          })
                        : art(path.join(__dirname, 'templates/outlink.art'), {
                              outlink: item.link,
                          });

                return item;
            })
        )
    );

    return {
        title: `lvv2 - ${sort ? titleMap[channel][sort] : titleMap[channel]}`,
        link: url,
        item: items,
    };
}