import { Route } from '@/types';

import got from '@/utils/got';
import { parseDate } from '@/utils/parse-date';
import { art } from '@/utils/render';
import path from 'node:path';
import CryptoJS from 'crypto-js';

const audio_types = {
    m3u8: 'x-mpegURL',
    mp3: 'mpeg',
    mp4: 'mp4',
    m4a: 'mp4',
};

export const route: Route = {
    path: '/zhibo/:id',
    categories: ['multimedia'],
    example: '/radio/zhibo/1395528',
    parameters: { id: '直播 id，可在对应点播页面的 URL 中找到' },
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: false,
        supportBT: false,
        supportPodcast: true,
        supportScihub: false,
    },
    name: '直播',
    maintainers: ['nczitzk'],
    handler,
    description: `如果订阅 [新闻和报纸摘要](http://www.radio.cn/pc-portal/sanji/zhibo_2.html?name=1395528)，其 URL 为 \`http://www.radio.cn/pc-portal/sanji/zhibo_2.html?name=1395528\`，可以得到 \`name\` 为 \`1395528\`

  所以对应路由为 [\`/radio/zhibo/1395528\`](https://rsshub.app/radio/zhibo/1395528)

::: tip
  查看更多电台直播节目，可前往 [电台直播](http://www.radio.cn/pc-portal/erji/radioStation.html)
:::`,
};

async function handler(ctx) {
    const KEY = 'f0fc4c668392f9f9a447e48584c214ee';

    const id = ctx.req.param('id');
    const size = ctx.req.query('limit') ?? '100';

    const params = `columnId=${id}&pageNo=0&pageSize=${size}`;

    const rootUrl = 'https://www.radio.cn';
    const apiRootUrl = 'https://ytmsout.radio.cn';

    const iconUrl = `${rootUrl}/pc-portal/image/icon_32.jpg`;
    const currentUrl = `${rootUrl}/pc-portal/sanji/zhibo_2.html?name=${id}`;
    const apiUrl = `${apiRootUrl}/web/appProgram/pageByColumn?${params}`;

    const timestamp = Date.now();
    const sign = CryptoJS.MD5(`${params}&timestamp=${timestamp}&key=${KEY}`).toString().toUpperCase();

    const response = await got({
        method: 'get',
        url: apiUrl,
        headers: {
            sign,
            timestamp,
            'Content-Type': 'application/json',
            equipmentId: '0000',
            platformCode: 'WEB',
        },
    });

    const data = response.data.data.data;

    const items = data.map((item) => {
        let enclosure_url = item.playUrlHigh ?? item.playUrlLow;
        enclosure_url = /\.m3u8$/.test(enclosure_url) ? item.downloadUrl : enclosure_url;
        const file_ext = new URL(enclosure_url).pathname.split('.').pop();
        const enclosure_type = file_ext ? `audio/${audio_types[file_ext]}` : '';

        const date = new Date(item.startTime);
        const dateString = `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}`;

        return {
            guid: item.id,
            title: `${dateString} ${item.name}`,
            link: enclosure_url,
            description: art(path.join(__dirname, 'templates/description.art'), {
                description: item.des,
                enclosure_url,
                enclosure_type,
            }),
            pubDate: parseDate(item.startTime),
            enclosure_url,
            enclosure_type,
            itunes_duration: item.durationStr,
            itunes_item_image: iconUrl,
        };
    });

    return {
        title: `云听 - ${data[0].name}`,
        link: currentUrl,
        item: items,
        image: iconUrl,
        itunes_author: 'radio.cn',
        description: data[0].des,
    };
}