const express = require('express')
const scraper = require('tiktok-scraper');

const app = express()
const port = 8080

app.get('/user/:user', async (req, res) => {
    let user = req.params.user
    if (user && user.length != 0) {
        try {
            let feed = {
                "version": "https://jsonfeed.org/version/1",
                "title": `TikTok user @${user}`,
                "home_page_url": `https://tiktok.com/@${user}`,
                "items": []
            }
            let posts = await scraper.user(user, { number: 10 })
            for (const post of posts.collector) {
                feed.items.push({
                    "id": post.id,
                    "title": post.text,
                    "content_text": post.text,
                    "url": post.webVideoUrl,
                    "date_published": new Date(parseInt(post.createTime, 10) * 1000),
                    "attachments": [
                        {
                            "url": post.videoUrl,
                            "mime_type": "video/mp4"
                        }
                    ]
                })
            }
            res.send(feed)
        } catch (error) {
            console.log(error)
            res.status(500).send(JSON.stringify(error))
        }
    } else {
        res.status(403)
    }
})

app.listen(port, () => console.log(`Listening at http://localhost:${port}`))