import http from "http";
import https from "https";
import fs from "fs";

export class MemeHandler{
    constructor(memeAPI, subreddits, allowedMedia){
        this.memeAPI = memeAPI;
        this.subreddits = subreddits;
        this.allowedMedia = allowedMedia;
    }
    getRandomMeme(callback){
        this.request(this.memeAPI+this.randomFromArray(this.subreddits), (res) => {
            let sub = this.randomFromArray(res.subs);
            console.log("got sub => ");
            console.log(sub)
            callback(sub);
        });
    }
    downloadMedia(url, filepath, callback){
        const request = https.get(url, (res) => {
            res.pipe(fs.createWriteStream(filepath));
            res.on('end', () => {
                console.log(`downloaded media => ${filepath}`);
                callback();
            })
        });
    }
    request(url, callback){
        http.get(url, res => {
            let data = "";
            res.on('data', chunk => {
                data += chunk;
            })
            res.on('end', () => {
                callback(JSON.parse(data))
            })
        })
    }
    randomFromArray(array){
        return array[Math.floor(Math.random()*array.length)];
    }
}