const getNickname = require("../getNickname");
const parseMention = require("../parseMention");
const getFmUsername = require("./getFmUsername");
const Discord = require('discord.js');

require("dotenv").config();
module.exports = async function(userID, guild) {
    let parse = parseMention(userID, guild)
    let user = guild.members.cache.get(parse);
    let nickname = getNickname(user, guild)
    if(nickname == null){
        nickname = user.user.username;
    }
    let isCurrentScrobble = "Current";
    let sendText = {text: "", embed: null}
    let scrobble = {};
    const apiKey = process.env.LAST_FM_API_KEY;
    let lastfmUsername = await getFmUsername(userID);
    if(lastfmUsername != undefined){
        scrobble = await new Promise ((resolve, reject) => {
        fetch(`https://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=${lastfmUsername}&api_key=${apiKey}&format=json`)
        .then(response => response.json())
        .then(data => {
            let scrobble = {};
            let tracks = [];
            let track;
            try {
                for(let i = 0; i < 2; i++){
                    track = data.recenttracks.track[i];
                    scrobble.artist = track.artist["#text"];
                    scrobble.song = track.name;
                    console.log(`Track ${i}: ${scrobble.song}`);
                    scrobble.album = track.album["#text"];
                    scrobble.cover = track.image[3]["#text"];
                    if(i === 0){
                        if(track['@attr'] != undefined || track['@attr'].nowplaying !== "true"){
                            isCurrentScrobble = "Last";
                        }
                    }
                    tracks.push(scrobble);
                }
                resolve(tracks);
            } catch (error) {
                scrobble.error = true;
                if(data.error === 6){
                    scrobble.errorMsg = "User not found. Use `<prefix>fm set <lastfm_username>` to set your last.fm username.";
                    resolve(scrobble);
                }
                scrobble.errorMsg = "Last.fm is probably having problems. Try again later.";
                resolve(scrobble);
            }
        })
        .catch(error => {
            console.error(error);
            reject(error);
        });
    });
    if(scrobble.error != null){
        sendText.text = scrobble.errorMsg;
        return sendText;
    }
    const embed = new Discord.MessageEmbed()
	.setAuthor(`Now playing - ${nickname}`, user.user.avatarURL({ dynamic: true, size: 4096 }))
    .setThumbnail(scrobble[0].cover)
    .setColor(15780145)
    .addFields({ 
        name: `${isCurrentScrobble}:`, value: `${scrobble[0].song}\n **${scrobble[0].artist} • ** ${scrobble[0].album}`
    },)
    if(isCurrentScrobble === "Current"){
        embed.addFields({ 
            name: "Previous:", value: `${scrobble[1].song}\n **${scrobble[1].artist} • ** ${scrobble[1].album}`
        },)
    }
    sendText.embed = embed;
    } else {
        sendText.text = "You haven't set your last.fm username yet. Use `<prefix>fm set <lastfm_username>` to set it.";
    }
    return sendText;
}