import type { Route } from '@/types';
import got from '@/utils/got';

export const route: Route = {
    path: '/hots/:type?',
    categories: ['bbs'],
    example: '/nowcoder/hots/1?limit=20',
    parameters: {
        type: '热榜类型，`1` 指热议话题，`2` 指全站热贴，默认为 `1`',
    },
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: false,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    radar: [
        {
            source: ['mnowpick.nowcoder.com/m/discuss/hot'],
        },
    ],
    name: '牛客热榜',
    description: '牛客热榜，包括热议话题和全站热贴',
    maintainers: ['xia0ne'],
    handler,
    url: 'nowcoder.com/',
};

async function handler(ctx) {
    const type = ctx.req.param('type') ?? '1';
    const limit = Number.parseInt(ctx.req.query('limit') ?? '20', 10);
    const size = Number.isFinite(limit) && limit > 0 ? limit : 20;

    let link = '';
    if (type === '1') {
        link = `https://gw-c.nowcoder.com/api/sparta/subject/hot-subject?limit=${size}&_=${Date.now()}&t=`;
        const responseBody = (await got.get(link)).data;
        if (responseBody.code !== 0) {
            throw new Error(`接口错误，错误代码:${responseBody.code},错误原因:${responseBody.msg}`);
        }
        const data = responseBody.data.result;
        return {
            title: '牛客网-热议话题',
            link: 'https://mnowpick.nowcoder.com/m/discuss/hot',
            description: '牛客网-热议话题',
            item: data.map((item) => ({
                title: item.content,
                description: `<img src="${item.numberIcon}" alt="rank">`,
                link: `https://www.nowcoder.com/creation/subject/${item.uuid}`,
            })),
        };
    } else if (type === '2') {
        link = `https://gw-c.nowcoder.com/api/sparta/hot-search/top-hot-pc?size=${size}&_=${Date.now()}&t=`;
        const responseBody = (await got.get(link)).data;
        if (responseBody.code !== 0) {
            throw new Error(`接口错误，错误代码: ${responseBody.code}，错误原因: ${responseBody.msg}`);
        }
        const data = responseBody.data.result;
        return {
            title: '牛客网-全站热贴',
            link: 'https://mnowpick.nowcoder.com/m/discuss/hot',
            description: '牛客网-全站热贴',
            item: data.map((item) => ({
                title: item.title,
                link: `https://www.nowcoder.com/feed/main/detail/${item.uuid}`,
            })),
        };
    } else {
        throw new Error('Invalid type parameter');
    }
}