const { v4: uuid } = require('uuid');
let osc = require("osc");
let net = require("net");
let udp = require('dgram');
var _ = require('lodash/function');


let PLUGINS = require("./plugins.js");
let VIEW = require("./view.js");
let SAVESLOTS = require("./saveSlots.js");


var devices = {};
module.exports.all = devices;


registerDevice = function(newDevice){

	console.log(PLUGINS.all)

	if(PLUGINS.all[newDevice.type]==undefined){
		console.error("Plugin for device "+newDevice.type+" does not exist.");
		return true;
	}

	var initElements = document.getElementsByClassName('init');
	for(var i=0; i<initElements.length; i++){
		initElements[i].style.display="none";
	}

	// only register device if it hasn't already been added
	if(newDevice.addresses.length>0){
		for(var i in devices){
			if(devices[i].type==newDevice.type && JSON.stringify(devices[i].addresses) == JSON.stringify(newDevice.addresses)){
				// This device has already been added
				infoUpdate(devices[i], "status", "ok");
				return false;
			}
		}
	}

	//console.log("Registered new "+newDevice.type)

	var id = newDevice.id || uuid();
	devices[id] = {
		id: id,
		status: "new",
		type: newDevice.type,
		displayName: newDevice.displayName,
		defaultName: newDevice.defaultName,
		port: newDevice.port,
		addresses: newDevice.addresses,
		data: {},
		pinIndex: false,
		lastDrawn: 0,
		lastHeartbeat: 0,
		heartbeatInterval: PLUGINS.all[newDevice.type].heartbeatInterval,
		draw: _.debounce(function(){ VIEW.draw(this); }, 30, { leading: true, trailing: true})
	}
	
	VIEW.addDeviceToList(devices[id]);
	initDeviceConnection(id);

}
module.exports.registerDevice = registerDevice;


initDeviceConnection = function(id){


	var device = devices[id];

	infoUpdate(device, "status", "new");

	if(device.port==undefined || device.addresses.length==0){
		return true;
	}
	try{
		// mostly only useful for UDP
		device.connection.close();
	}catch(err){}
 
	const type = devices[id].type;
	var plugins = PLUGINS.all;

	if(plugins[type].connectionType == "osc"){
		device.connection = new osc.TCPSocketPort({
			address: device.addresses[0],
			port: device.port
		});
		device.connection.open();
		device.connection.on("error", function (error) {
			//console.error(error)
			device.connection.close();
		});
		device.connection.on("ready", function () {
			plugins[type].ready(device);
			if(Object.keys(devices).length==1){
				VIEW.switchDevice(device.id);
			}
		});
		device.connection.on("message", function(message){
			//log("OSC IN", message.address);
			plugins[type].data(device, message);
			device.lastMessage = Date.now();
		});
		device.send = function(address, args){
			device.connection.send({address: address, args: args});
		}
		device.plugin = plugins[type];

	}else if(plugins[type].connectionType == "TCPsocket"){
		device.connection = new net.Socket();

		device.connection.connect({port: device.port, host: device.addresses[0]}, function() {
			
		});
		
		device.connection.on("error", function (error) {
			//console.error(error)
		});
		device.connection.on("ready", function () {
			plugins[type].ready(device);
			if(Object.keys(devices).length==1){
				VIEW.switchDevice(device.id);
			}
		});
		device.connection.on("data", function(message){
			//log("SOCK IN", message);
			plugins[type].data(device, message);
			device.lastMessage = Date.now();
			infoUpdate(device, "status", "ok");
		});
		device.send = function(data){
			//log("SOCK OUT", data);
			device.connection.write(data);
		}

	}else if(plugins[type].connectionType == "UDPsocket"){

		device.connection = udp.createSocket('udp4');

		device.connection.bind(function(){

			plugins[type].ready(device);

			device.connection.on('message',function(msg,info){
				plugins[type].data(device, msg);
				infoUpdate(device, "status", "ok");
			});
		});

		device.send = function(data){
			device.connection.send(data, device.port, device.addresses[0], function(err){
				//console.log(err);
			});
		}


	}

}
module.exports.initDeviceConnection = initDeviceConnection;


module.exports.deleteActive = function(){
	var device = VIEW.getActiveDevice();
	var choice = confirm("Are you sure you want to delete "+device.type+" device \""+(device.displayName || device.defaultName)+"\"?");

	if(choice){
		VIEW.removeDeviceFromList(device);
		delete devices[device.id];
		SAVESLOTS.deleteFromSlots(device);
		SAVESLOTS.saveAll();
		SAVESLOTS.reloadActiveSlot();
	}

}

module.exports.changeActiveType = function(newType){
	var device = VIEW.getActiveDevice();
	device.type = newType;

	initDeviceConnection(device.id);
	VIEW.draw(device);
	//SAVESLOTS.saveAll();
}

module.exports.changeActiveIP = function(newIP){
	var device = VIEW.getActiveDevice();
	device.addresses[0] = newIP;
	initDeviceConnection(device.id);
	VIEW.draw(device);
	SAVESLOTS.saveAll();
}

module.exports.changeActivePort = function(newPort){
	var device = VIEW.getActiveDevice();
	device.port = newPort;

	initDeviceConnection(device.id);
	VIEW.draw(device);
	SAVESLOTS.saveAll();
}

module.exports.changeActiveName = function(newName){
	var device = VIEW.getActiveDevice();
	device.displayName = newName;
	infoUpdate(device, "displayName", newName);
	VIEW.draw(device);
	SAVESLOTS.saveAll();
}
module.exports.changeActivePinIndex = function(newPin){
	var device = VIEW.getActiveDevice();
	device.pinIndex = newPin;
	VIEW.draw(device);
	SAVESLOTS.saveAll();
}
module.exports.changePinIndex = function(device, newPin){
	device.pinIndex = newPin;
	//SAVESLOTS.saveAll();
}
module.exports.refreshActive = function(){
	var device = VIEW.getActiveDevice();
	if(device==undefined){
		return true;
	}
	initDeviceConnection(device.id);
	VIEW.draw(device);
}




infoUpdate = function(device, param, value){
	if(param=="addresses"){
		device.addresses = value.replace(/\s+/g, '').split(",");
	}else{
		device[param] = value;
	}
	VIEW.addDeviceToList(device);
}
module.exports.infoUpdate = infoUpdate;


setInterval(heartbeat, 100);
function heartbeat(){
	for(var i in devices){
		var device = devices[i];
		if(Date.now()>=device.lastHeartbeat+device.heartbeatInterval){
			
			if(device.status=="broken"){
				initDeviceConnection(i);
			}else if(Date.now()-device.lastMessage>10000){
				infoUpdate(device, "status", "broken");
			}else{
				if(device.port!=undefined && device.addresses.length>0){
					PLUGINS.all[device.type].heartbeat(device);
				}else{
					//console.error("Invalid IP/Port on device "+device.name)
				}
			}
			device.lastHeartbeat = Date.now();
		}
		
	}
}