Pyobot Duck

// after the bot first connects to Discord, it starts the loop by running
// setTimeout(()=>{duck('research')}, 1000*5)

// Duck
var nextDuckCall
duckPics = {'boss': null, 'research': null, 'eggs': null} // store url to detected image
function duck(handle) { // called on infographic handle (the key in the above dict)
    let timeout = (1000*60*2)*(1+Math.random()/2) // timeout (in s) uniformly distrib. on [2,3]
    // use cloudscraper to get past cloudflare. fetch entire leekduck webpage at handle
    cloudscraper.get(`http://leekduck.com/${handle}/`, async function(error, response, body) { // result goes in "body"
        if (error) {
            console.log('CS error:', error)
        } else {
            let result // url to detected image. use regex to match hyperlinks detected in webpage body
            switch (handle) {
                case "research":
                    result = 'https://leekduck.com/' + body.match(/assets\/img\/research\/field\/.+\.jpg/)[0]
                    break
                case "boss":
                    result = 'https://leekduck.com/' + body.match(/assets\/img\/raid-bosses\/graphic\/.+\.jpg/)[0]
                    break
                case "eggs":
                    result = 'https://leekduck.com/' + body.match(/assets\/img\/eggs\/[^d]+\.jpg/)[0]
                    break
                default:
                    result = ''
                    break
            }
            if (result) { // if url found
                if (duckPics[handle] != result) { // and not the same as before
                    text = `New ${handle} infographic from LeekDuck:`
                    file = result
                    attachment = {files: [file]}
                    // post image to test chan
                    bot.channels.get(pysstatus).send(text, attachment).catch(console.error)
                    console.log(`Duck updated ${handle} (${result}).`)
                    // repost image to real chan if not first-run (note that bot auto-restarts every day)
                    if (duckPics[handle]) { // first-run = is there a url in the dict yet?
                        bot.channels.get(pysstatus).send(`Duck sent! ${handle} (${result}).`)
                        bot.channels.get(pglgeneral).send(text, attachment).catch(console.error)
                        console.log(`Duck sent ${handle} (${result}).`)
                        timeout = 1000*60*50 // override timeout w/ 50 mins to prevent spam
                    }
                    duckPics[handle] = result // save new url to compare with next time
                }
            }
        }
        nextHandle = {'boss': 'research', 'research': 'eggs', 'eggs': 'boss'}[handle] // increment to next handle
        nextDuckCall = setTimeout(()=>{duck(nextHandle)}, timeout) // call self again with timeout
    })
}