const cheerio = require('cheerio');
const iconv = require('iconv-lite');
const axios = require('../../utils/axios');
const date = require('../../utils/date');

const ProcessFeed = async (link) => {
    const id = link
        .split('/')
        .pop()
        .split('.')[0];

    let response = await axios.get(`http://www.aisixiang.com/data/view_json.php?id=${id}`, {
        responseType: 'arraybuffer',
    });

    const description = JSON.parse(iconv.decode(response.data, 'gbk')).content;

    response = await axios.get(`http://www.aisixiang.com${link}`, {
        responseType: 'arraybuffer',
    });

    response.data = iconv.decode(response.data, 'gbk');

    const $ = cheerio.load(response.data);

    const title = $('.show_text > h3').text();

    const pubDate = date(
        $('.show_text > .info')
            .text()
            .split('：')
            .pop(),
        8
    );

    return {
        title: title.split('/')[1] || title,
        author: title.split('/')[0] || '',
        description,
        pubDate,
    };
};

module.exports = {
    ProcessFeed,
};