const { getToken } = require('./token');
const searchPopularIllust = require('./api/searchPopularIllust');
const searchIllust = require('./api/searchIllust');
const config = require('@/config').value;
const pixivUtils = require('./utils');
const { parseDate } = require('@/utils/parse-date');

module.exports = async (ctx) => {
    if (!config.pixiv || !config.pixiv.refreshToken) {
        throw 'pixiv RSS is disabled due to the lack of <a href="https://docs.rsshub.app/install/#pei-zhi-bu-fen-rss-mo-kuai-pei-zhi">relevant config</a>';
    }

    const keyword = ctx.params.keyword;
    const order = ctx.params.order || 'date';
    const mode = ctx.params.mode;

    const token = await getToken(ctx.cache.tryGet);
    if (!token) {
        throw 'pixiv not login';
    }

    let response;
    if (order === 'popular') {
        response = await searchPopularIllust(keyword, token);
    } else {
        response = await searchIllust(keyword, token);
    }

    let illusts = response.data.illusts;
    if (mode === 'safe' || mode === '1') {
        illusts = illusts.filter((item) => item.x_restrict === 0);
    } else if (mode === 'r18' || mode === '2') {
        illusts = illusts.filter((item) => item.x_restrict === 1);
    }

    ctx.state.data = {
        title: `${keyword} 的 pixiv ${order === 'popular' ? '热门' : ''}内容`,
        link: `https://www.pixiv.net/tags/${keyword}/artworks`,
        item: illusts.map((illust) => {
            const images = pixivUtils.getImgs(illust);
            return {
                title: illust.title,
                author: illust.user.name,
                pubDate: parseDate(illust.create_date),
                description: `<p>画师：${illust.user.name} - 阅览数：${illust.total_view} - 收藏数：${illust.total_bookmarks}</p>${images.join('')}`,
                link: `https://www.pixiv.net/artworks/${illust.id}`,
            };
        }),
        allowEmpty: true,
    };
};