index.js

'use strict';

var libQ = require('kew');
var fs = require('fs-extra');
var config = new(require('v-conf'))();
var exec = require('child_process').exec;
var execSync = require('child_process').execSync;
var io = require('socket.io-client');
var lcdDisplay = require('./lcdDisplay');

module.exports = ControllerlcdHD47780;

function Controllerlcdhd47780(context) {

	// This fixed variable will let us refer to 'this' object at deeper scopes
 	var self = this;

	this.context = context;
	this.commandRouter = this.context.coreCommand;
	this.logger = this.context.logger;

	this.configManager = this.context.configManager;

}

Controllerlcdhd47780.prototype.onVolumioStart = function() {

	var self = this;	
	var configFile=this.commandRouter.pluginManager.getConfigurationFile(this.context,'config.json');
	this.config = new (require('v-conf'))();
	this.config.loadFile(configFile);
	self.logger.info('[lcdHD47780] Plugin initialized');
	return libQ.resolve();
	
};

Controllerlcdhd47780.prototype.onStart = function() {
	
	var self = this;
	var defer = libQ.defer();
	
	try {

		self.lcdDisplay = new lcdDisplay(self.context,self.config); 
		self.socket = io.connect('http://localhost:3000');
		self.socket.on('pushState', this.updateLcd.bind(this)); 
		self.logger.info('[lcdHD47780] Plugin started');
		// Once the Plugin has successfull started resolve the promise
		defer.resolve();

	} catch(err) {

		self.logger.error('[lcdHD47780] Plugin startup failed: ' + err);
		defer.reject(err);

	}

	return defer.promise;
	
};

Controllerlcdhd47780.prototype.onStop = function() {

	var self = this;
	var defer = libQ.defer();
	
	try {
		
		self.lcdDisplay.close();
		// TODO: Close socket
		self.logger.info("[lcdHD47780] Plugin stopped");	
		
		// Once the Plugin has successfull stopped resolve the promise
		defer.resolve();
		
	} catch(err) {
		
		self.logger.error('[lcdHD47780] Plugin stop failed: ' + err);
		defer.reject(err);

	}
	
	return libQ.resolve();
	
};

Controllerlcdhd47780.prototype.onRestart = function() {

	var self = this;
	
	try {
		self.logger.info('[lcdHD47780] Plugin restarting...');
		self.lcdDisplay.close();
		// TODO: Close socket
		self.lcdDisplay = new lcdDisplay(self.context,self.config);
		// TODO: Setup new socket
		self.logger.info('[lcdHD47780] Plugin started');
	} catch(err) {
		self.logger.error('[lcdHD47780] Restart failed: ' + err);
	}

};

Controllerlcdhd47780.prototype.updateLcd = function(state) {
	
	var self = this;
	
	self.logger.info('[lcdHD47780] Push State recieved:');
	self.logger.info(state);
	self.lcdDisplay.pushState(state);
	self.logger.info('[lcdHD47780] Push State Completed');
	
};

// Configuration Methods -----------------------------------------------------------------------------

Controllerlcdhd47780.prototype.getConfigurationFiles = function()
{
	return ['config.json'];
}

Controllerlcdhd47780.prototype.getUIConfig = function() {

	var defer = libQ.defer();
	var self = this;

	var lang_code = this.commandRouter.sharedVars.get('language_code');

	self.commandRouter.i18nJson(__dirname+'/i18n/strings_'+lang_code+'.json',
								__dirname+'/i18n/strings_en.json',
								__dirname + '/UIConfig.json')
		
	.then(function(uiconf) {

		uiconf.sections[0].content[0].value = self.config.get('RS');
		uiconf.sections[0].content[1].value = self.config.get('E');
		uiconf.sections[0].content[2].value = self.config.get('D4');
		uiconf.sections[0].content[3].value = self.config.get('D5');
		uiconf.sections[0].content[4].value = self.config.get('D6');
		uiconf.sections[0].content[5].value = self.config.get('D7');
		defer.resolve(uiconf);

	})
	.fail(function() {

		defer.reject(new Error());

	});

	return defer.promise;

};

Controllerlcdhd47780.prototype.setUIConfig = function(data) {

	var self = this;
	//Perform your installation tasks here

};

Controllerlcdhd47780.prototype.getConf = function(varName) {

	var self = this;
	//Perform your installation tasks here

};

Controllerlcdhd47780.prototype.setConf = function(varName, varValue) {

	var self = this;
	//Perform your installation tasks here

};

Controllerlcdhd47780.prototype.saveGPIOConfig = function(data) {
	
	var self = this;
	
	self.config.set('RS',data.RS);
	self.config.set('E',data.E);
	self.config.set('D4',data.D4);
	self.config.set('D5',data.D5);
	self.config.set('D6',data.D6);
	self.config.set('D7',data.D7);
	
	self.onRestart();
	
	self.commandRouter.pushToastMessage('success',"Save","GPIO Settings saved");
	
};