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

const types = {
    tiobe: '编程语言',
    netcraft: '服务器',
    'db-engines': '数据库',
};

module.exports = async (ctx) => {
    let type = ctx.params.type ?? 'tiobe';

    type = type === 'webserver' ? 'netcraft' : type === 'db' ? 'db-engines' : type;

    const rootUrl = 'https://hellogithub.com';
    const currentUrl = `${rootUrl}/report/${type}`;

    const buildResponse = await got({
        method: 'get',
        url: rootUrl,
    });

    const buildId = buildResponse.data.match(/"buildId":"(.*?)",/)[1];

    const apiUrl = `${rootUrl}/_next/data/${buildId}/report/${type}.json`;

    const response = await got({
        method: 'get',
        url: apiUrl,
    });

    const data = response.data.pageProps;

    const items = [
        {
            guid: `${type}:${data.year}${data.month}`,
            title: `${data.year}年${data.month}月${types[type]}排行榜`,
            link: currentUrl,
            pubDate: parseDate(`${data.year}-${data.month}`, 'YYYY-M'),
            description: art(path.join(__dirname, 'templates/report.art'), {
                tiobe_list: type === 'tiobe' ? data.list : undefined,
                active_list: data.active_list,
                all_list: data.all_list,
                db_list: type === 'db-engines' ? data.list : undefined,
            }),
        },
    ];

    ctx.state.data = {
        title: `HelloGitHub - ${types[type]}排行榜`,
        link: currentUrl,
        item: items,
    };
};