import InvalidParameterError from '@/errors/types/invalid-parameter';
import { Route } from '@/types';
import got from '@/utils/got';
import { parseDate } from '@/utils/parse-date';
import { isValidHost } from '@/utils/valid-host';

export const route: Route = {
    path: '/posts/:id',
    categories: ['blog'],
    example: '/zhubai/posts/via',
    parameters: { id: '`id` 为竹白主页 url 中的三级域名，如 via.zhubai.love 的 `id` 为 `via`' },
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: false,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    name: '文章',
    maintainers: ['naixy28'],
    handler,
    description: `::: tip
  在路由末尾处加上 \`?limit=限制获取数目\` 来限制获取条目数量，默认值为\`20\`
:::`,
};

async function handler(ctx) {
    const id = ctx.req.param('id');
    const limit = ctx.req.query('limit') ? Number.parseInt(ctx.req.query('limit')) : 20;
    if (!isValidHost(id)) {
        throw new InvalidParameterError('Invalid id');
    }

    const response = await got({
        method: 'get',
        url: `https://${id}.zhubai.love/api/publications/${id}/posts?publication_id_type=token&limit=${limit}`,
        headers: {
            Referer: `https://${id}.zhubai.love/`,
        },
    });
    const data = response.data.data;
    const { name, description } = data[0].publication;

    return {
        title: name,
        link: `https://${id}.zhubai.love/`,
        description,
        item: data.map((item) => ({
            title: item.title,
            pubDate: parseDate(item.created_at),
            link: `https://${id}.zhubai.love/posts/${item.id}`,
            author: name,
        })),
    };
}