exports.defaultName = "PJLink Projector";
exports.connectionType = "TCPsocket";
exports.heartbeatInterval = 5000;
exports.searchOptions = {
	type: "UDPsocket",
	searchBuffer: Buffer.from([0x25, 0x32, 0x53, 0x52, 0x43, 0x48, 0x0d]),
	devicePort: 4352,
	listenPort: 4352,
	validateResponse: function(msg, info){
		return (msg.toString().indexOf("%2ACKN=")>=0);
	}
}
exports.defaultPort = 4352;

exports.ready = function(device){
	//Power status query
	//device.send("%1POWR ?\r");
}
var password = false;

exports.data = function(device, message){
	this.deviceInfoUpdate(device, "status", "ok");
	var msg =  message.toString();

	const md5 = require("md5");

	if(msg.substring(0, 8)=="PJLINK 1"){
		password = md5(msg.substring(9, 17)+"JBMIAProjectorLink")
		device.send(password+"%1POWR ?\r%1INPT ?\r%1AVMT ?\r%1ERST ?\r%1LAMP ?\r%1NAME ?\r%1INF1 ?\r%1INF2 ?\r%2SNUM ?\r%2SVER ?\r");
	}
	if(msg.substring(0, 7)=="%1POWR="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%1INPT="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%1AVMT="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%1ERST="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%1LAMP="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%1NAME="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%1INF1="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%1INF2="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%2SNUM="){
		processPJLink(device, msg, this);
	}
	if(msg.substring(0, 7)=="%2SVER="){
		processPJLink(device, msg, this);
	}
}

function processPJLink(device, str, that){
	var arr = str.split("%");
	for(var key in arr){
		var split = arr[key].split("=");
		var key = split[0];
		var value = split[1];
		
		switch(key){
			case "1POWR":
				device.data.power = value;
				break;
			case "1INPT":
				device.data.input = value;
				break;
			case "1AVMT":
				device.data.avmute = value;
				break;
			case "1ERST":
				device.data.fanError = value[0];
				device.data.lampError = value[1];
				device.data.tempError = value[2];
				device.data.coverError = value[3];
				device.data.filterError = value[4];
				device.data.otherError = value[5];
				break;
			case "1LAMP":
				device.data.lamp = value.split(" ");
				break;
			case "1NAME":
				device.data.name = value;
				that.deviceInfoUpdate(device, "defaultName", device.data.name);
				break;
			case "1INF1":
				device.data.info1 = value;
				break;
			case "1INF2":
				device.data.info2 = value;
				break;
			case "2SNUM":
				device.data.serial = value;
				break;
			case "2SVER":
				device.data.version = value;
				break;
		}
	}
	device.draw();
}

exports.heartbeat = function(device){
	if(password){
		device.send(password+"%1POWR ?\r%1INPT ?\r%1AVMT ?\r%1ERST ?\r%1LAMP ?\r%1NAME ?\r%1INF1 ?\r%1INF2 ?\r%2SNUM ?\r%2SVER ?\r");
	}
}