const got = require('@/utils/got');
const { parseDate } = require('@/utils/parse-date');

module.exports = async (ctx) => {
    const id = ctx.params.id;
    const link = `https://sspai.com/column/${id}`;

    const desApi = `https://sspai.com/api/v1/special_columns/${id}`;
    let response = await got({
        method: 'get',
        url: desApi,
        headers: {
            Referer: link,
        },
    });

    const result = response.data;
    const title = result.title;
    const description = result.intro;

    const api = `https://sspai.com/api/v1/articles?offset=0&limit=10&special_column_ids=${id}&include_total=false`;
    response = await got({
        method: 'get',
        url: api,
        headers: {
            Referer: link,
        },
    });

    const list = response.data.list;

    const out = await Promise.all(
        list.map((item) => {
            const title = item.title;
            const date = item.created_at;
            const link = `https://sspai.com/api/v1/article/info/get?id=${item.id}&view=second`;
            const itemUrl = `https://sspai.com/post/${item.id}`;
            const author = item.author.nickname;

            return ctx.cache.tryGet(`sspai: ${item.id}`, async () => {
                const response = await got(link);
                const description = response.data.data.body;

                const single = {
                    title,
                    link: itemUrl,
                    author,
                    description,
                    pubDate: parseDate(date * 1000),
                };
                return single;
            });
        })
    );

    ctx.state.data = {
        title: `少数派专栏-${title}`,
        link,
        description,
        item: out,
    };
};