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

const { viewThread, countReplies } = require('./query');

module.exports = async (ctx) => {
    const id = ctx.params.id;

    const rootUrl = 'https://www.lkong.com';
    const apiUrl = 'https://api.lkong.com/api';
    const currentUrl = `${rootUrl}/thread/${id}`;

    const countResponse = await got({
        method: 'post',
        url: apiUrl,
        json: countReplies(id),
    });

    if (countResponse.data.errors) {
        throw Error(countResponse.data.errors[0].message);
    }

    const response = await got({
        method: 'post',
        url: apiUrl,
        json: viewThread(id, Math.ceil(countResponse.data.data.thread.replies / 20)),
    });

    const items = response.data.data.posts.map((item) => ({
        guid: item.pid,
        author: item.user.name,
        title: `#${item.lou} ${item.user.name}`,
        link: `${rootUrl}/thread/${id}?pid=${item.pid}`,
        pubDate: parseDate(item.dateline),
        description:
            (item.quote
                ? art(path.join(__dirname, 'templates/quote.art'), {
                      target: `${rootUrl}/thread/${id}?pid=${item.quote.pid}`,
                      author: item.quote.author.name,
                      content: art(path.join(__dirname, 'templates/content.art'), {
                          content: JSON.parse(item.quote.content),
                      }),
                  })
                : '') +
            art(path.join(__dirname, 'templates/content.art'), {
                content: JSON.parse(item.content),
            }),
    }));

    ctx.state.data = {
        title: `${response.data.data.thread.title} - 龙空`,
        link: currentUrl,
        item: items,
    };
};