const needle = require("needle");



class UPSdisplay {
	constructor(slaveConfig, msgInterface, extras){
		this.config = slaveConfig;
		this.messageInterface = msgInterface;
		this.socket = extras.socket;
		
		this.historicalTicks = [];
		setInterval(() => {
			this.messageInterface("/silent-command rcon.print(game.tick)", data => {
				this.tick = Number(data);
				this.historicalTicks[this.historicalTicks.length] = {tick:Number(data), timestamp:Date.now()};
				if(this.historicalTicks.length > 30){
					this.historicalTicks.shift(); // delete last element in array (position 0);
				}
			});
		},1000);
		setInterval(() => {
			if(this.historicalTicks && this.historicalTicks[0]){
				let timePeriod = this.historicalTicks[this.historicalTicks.length-1].timestamp - this.historicalTicks[0].timestamp;
				let ticksInPeriod = this.historicalTicks[this.historicalTicks.length-1].tick - this.historicalTicks[0].tick;
				let UPS = Math.round(ticksInPeriod / (timePeriod/1000));
				// console.log("UPS: " + UPS);
				try{
					needle.post(this.config.masterIP+':'+this.config.masterPort+'/api/editSlaveMeta', {instanceID: this.config.unique, password: this.config.clientPassword, meta: {UPS:UPS, tick:this.tick}}, {headers: {'x-access-token': this.config.masterAuthToken}}, function(err, resp) {
						// success?
					});
				} catch (err){
					console.log(err);
				}
			}
		}, 5000);
		this.messageInterface("/silent-command game.print('UPSdisplay enabled')");
	}
}
module.exports = UPSdisplay;