const url = require('url');
const got = require('@/utils/got');
const cheerio = require('cheerio');

module.exports = async (ctx) => {
    ctx.params.site = ctx.params.site || '';

    const rootUrl = 'https://mobile.abc.net.au';
    const currentUrl = `${rootUrl}/news/${ctx.params.site}`;
    const response = await got({
        method: 'get',
        url: currentUrl,
    });
    const $ = cheerio.load(response.data);

    $('._3zQMR, .ticker').remove();

    const list = $('h3')
        .slice(0, 10)
        .map((_, item) => {
            item = $(item);
            return {
                title: item.text(),
                link: url.resolve(rootUrl, item.parents('a').attr('href') || item.find('a').attr('href')),
            };
        })
        .get();

    const items = await Promise.all(
        list.map(
            async (item) =>
                await ctx.cache.tryGet(item.link, async () => {
                    const detailResponse = await got({
                        method: 'get',
                        url: item.link,
                    });
                    const content = cheerio.load(detailResponse.data);

                    content('.modal-content').remove();

                    content('img').each(function () {
                        content(this).attr('src', content(this).attr('data-src'));
                    });

                    let coverImage, contentBody;
                    if (content('div[data-component="FeatureMedia"]').html() !== null) {
                        coverImage = content('div[data-component="FeatureMedia"]').html();
                    } else {
                        coverImage = content('.view-hero-media').html();
                    }
                    if (content('#body').html() !== null) {
                        contentBody = content('#body').html();
                    } else {
                        contentBody = content('.article-text').html();
                    }

                    const authorsArray = [];
                    const authorsMatch = detailResponse.data.match(/author":(.*),"dateModified/);
                    if (authorsMatch === null) {
                        authorsArray.push(content('meta[name="DCTERMS.contributor"]').attr('content'));
                    } else {
                        const authors = JSON.parse(authorsMatch[1]);
                        try {
                            for (const author of authors) {
                                authorsArray.push(author.name);
                            }
                        } catch (e) {
                            authorsArray.push(authors.name);
                        }
                    }

                    item.description = coverImage + contentBody;
                    item.pubDate = new Date(content('meta[property="article:published_time"]').attr('content')).toUTCString();
                    item.author = authorsArray.join(', ');

                    return item;
                })
        )
    );

    ctx.state.data = {
        title: $('title').text(),
        link: currentUrl,
        item: items,
    };
};