brewtroller.js

Brewtroller = {};
var host;
var username = "admin";
var password = "password";
var connected = false;
var lastUpdate = 0;
var storedHost;
var programList = [];
var programStep1;
var programStep2;
var programName1;
var programName2;

//Brewtroller Web Init
Brewtroller.init = function () {
  $('#button_connect').on("click", function() {
    Brewtroller.connected.click_buttonConnect();
    //Brewtroller.program.getProgramList();
  });
  $('#settingsSaveBtn').on("click", function() {
    Brewtroller.connected.saveConnectionSettings();
  });
  $('#button_reset').on("click", function() {
	Brewtroller.reset.resetPrograms(); 
  });
  $('#button_nextStep').on("click", function () {
	 Brewtroller.program.nextStep(); 
  });
  $('#getRecipeList').on("click", function () {
	 //Brewtroller.program.getProgramList();
  });
  storedHost = localStorage.getItem('btHost');
  if (storedHost) {
    host = storedHost;
    $('#settingsHost').attr('placeholder', host);
  }
  
  Brewtroller.timer.setup();
  Brewtroller.temp.setup();
};

//Brewtroller Connected Functions

Brewtroller.connected = {
    click_buttonConnect : function () {
        if (connected) {
            connected = false;
            $("#button_connect").html("Connect");
            $("#button_connect").css('color', '#777777');
        } else {
            connected = true;
            Brewtroller.connected.loop();
            Brewtroller.program.getProgramList();
        }
    },    
    loop : function () {
      if(connected == true) {
        Brewtroller.connected.checkWatchdog();
        brewTrollerExecCommand(BTCMD_GetStatus, null, {}, host, username, password, Brewtroller.status.printUI);
        setTimeout(Brewtroller.connected.loop, 500);
        Brewtroller.status.updateStatusBar();
      }
    },
    checkWatchdog : function () {
        var d = new Date();
        if (d.getTime() - lastUpdate > 1000) {
            
            $("#button_connect").html("Timeout");
            $("#button_connect").css('color', 'red');
            
        }
    },
    connectWatchdog : function () {
    	var d = new Date();
        lastUpdate = d.getTime();
        $("#button_connect").css('color', '#777777');
        $("#button_connect").html("Disconnect");
    },
    saveConnectionSettings : function () {
      host = $('#settingsHost').val();
      $('#settingsHost').text("host");
      localStorage.setItem('btHost',host);
    }
    
};

//Program Functions
Brewtroller.program = {
  getProgramList : function () {
    brewTrollerExecCommand(BTCMD_GetProgramList, null, null, host, username, password, function(data){
    	programList = data;
    	programNumber = 0;
    	$.each(data, function(index,value) {
    		if (value != ">" && value != "") {
    			var recipeLine = '<tr><td class="text-muted">';
    			recipeLine += index;
    			recipeLine += '</td><td id="programID">';
          recipeLine += programNumber;
    			recipeLine += '</td><td>';
    			recipeLine += value;
    			recipeLine += '</td><td><button id="';
    			recipeLine += programNumber;
    			recipeLine += '_1" type="button" class="btn btn-default" data-dismiss="modal">Start Program 1</button>';
    			recipeLine += '</td><td><button id="';
    			recipeLine += programNumber;
    			recipeLine += '_2" type="button" class="btn btn-default" data-dismiss="modal">Start Program 2</button>';
    			recipeLine += '</td></tr>';
    			recipeBtnId1 = programNumber + "_1";
    			recipeBtnId2 = programNumber + "_2";
    			$('#recipeDetails table tbody').append(recipeLine);
    			$('#' + recipeBtnId1).on("click", function () {
    				var reci = $(this).attr('id').split("_");
    			  Brewtroller.program.startStep(reci[0], "0"); 
    			  });
    			$('#' + recipeBtnId2).on("click", function () {
    			  var reci = $(this).attr('id').split("_");
    			  Brewtroller.program.startStep(reci[0], "0"); 
    			  });
    		}
    		if (index != "Response Code") {
    		  programNumber++;
    		}
    	});
    });
  },
  startStep : function (program, step) {
	  brewTrollerExecCommand(BTCMD_StartStep, program, step, host, username, password, function(data){});
  },
  nextStep : function () {
	  if (programStep1 != "255") {
		  brewTrollerExecCommand(BTCMD_NextStep, programStep1, null, host, username, password, function(data){});
		}
	  if (programStep2 != "255") {
		  brewTrollerExecCommand(BTCMD_NextStep, programStep2, null, host, username, password, function(data){});	  
		}
	}
};


//Timer Functions
Brewtroller.timer = {
  setup : function () {
    $('#mashTimerButton').on("click", function() {
      Brewtroller.timer.click_startTimer("mash");
    });
    $('#boilTimerButton').on("click", function() {
      Brewtroller.timer.click_startTimer("boil");
    });
    $.each([ 0 , 1 ], function( index, timerId ){ 
    if (timerId == 0) {vessel = "mash";};
    if (timerId == 1) {vessel = "boil";};
    brewTrollerExecCommand(BTCMD_GetTimerStatus, timerId, null, host, username, password, function(data){
      timerStatus = data.TimerStatus;
      if (timerStatus == "0") {
        $("#" + vessel + "TimerButton").text("Manual Start");
        Brewtroller.timer.printTimer();
      }else{
        $("#" + vessel + "TimerButton").text("Pause");
        Brewtroller.timer.printTimer();
      }
    });
    });
  },
  printTimer : function (id, value, status) {
    var rStatus;
    if(status == 0) {
        rStatus = "Off";
      }else{
        rStatus = "On";
      }
    $(id).html("Set Time: " + millisecondsToTime(value) + " seconds <br>Status: " + rStatus);
    },
    click_startTimer : function (vessel) {
      var timerStatus;
      var timerId = "";
      var setTime = "";
      var vessel = vessel;
      if (vessel == "mash") {
        timerId = 0;
      } else if (vessel == "boil") {
        timerId = 1;
      }
      brewTrollerExecCommand(BTCMD_GetTimerStatus, timerId, null, host, username, password, function(data){
        timerStatus = data.TimerStatus;
        if (timerStatus == "0") {
          $timer = "werwe";
          brewTrollerExecCommand(BTCMD_StartTimer, timerId, {"TimerStatus": 1}, host, username, password, function(data){
          });
          $("#" + vessel + "TimerButton").text("Pause");
          Brewtroller.timer.printTimer("div_" + vessel + "Timer", "", "1");
        }else{
          $timer = "wwerwe";
          brewTrollerExecCommand(BTCMD_StartTimer, timerId, {"TimerStatus": 0}, host, username, password, function(data){
          });
          $("#" + vessel + "TimerButton").text("Manual Start");
          Brewtroller.timer.printTimer("div_" + vessel + "Timer", "", "0");
        }
      });
      
    }
};

//Temp Functions
Brewtroller.temp = {
    setup : function() {
      $('#hltTempSetBtn').on("click", function () {
        temp = $('#hltTempSet').val();
        Brewtroller.temp.setTemp(0, temp);
      });
      $('#mashTempSetBtn').on("click", function () {
        temp = $('#mashTempSet').val();
        Brewtroller.temp.setTemp(1, temp);
      });
    },
    setTemp : function (vessel, temp) {
            brewTrollerExecCommand(BTCMD_SetSetpoint, vessel, {"Setpoint":temp}, host, username, password, function(data){
      });
    }  
};

//Reset Functions
Brewtroller.reset = {
	resetPrograms : function() {
		brewTrollerExecCommand(BTCMD_Reset, "0", null, host, username, password, function(data){
	    });
		$('.program1Name').html('No Program Selected (1)');
		$('.program2Name').html('No Program Selected (2)');
	}
}

//Status Functions
Brewtroller.status = {
	updateStatusBar : function () {
		if(programName1 != "") {$('.program1Name').html(programName1);};
		if(programName2 != "") {$('.program2Name').html(programName2);};
		$('#currStatusProg1').html(Brewtroller.status.translateStepCode(programStep1));
		$('#currStatusProg2').html(Brewtroller.status.translateStepCode(programStep2));
	},
	translateStepCode : function (step) {
		var stepTranslate = {
							"0": "Fill",
							"1": "Delay",
							"2": "Preheat",
							"3": "Grain In",
							"4": "Refill",
							"5": "Dough In",
							"6": "Acid",
							"7": "Protein",
							"8": "Sacch",
							"9": "Sacch2",
							"10": "Mash Out",
							"11":"Mash Hold",
							"12": "Sparge",
							"13": "Boil",
							"14": "Chill",
							"255": "Idle"
							}
		return stepTranslate[step];
	},
	printUI : function (data) {
		$('#tempStatus').html(data["ProgramThread1_Name"]);
	  programName1 = data["ProgramThread1_Name"];
		programName2 = data["ProgramThread2_Name"];
		programStep1 = data["ProgramThread1_Step"];
		programStep2 = data["ProgramThread2_Step"];
		$("#div_status").html("<pre>" + JSON.stringify(data, null, '\t') + "</pre>");
        printProgramThread("#div_programThread1", data.ProgramThread1_Step, data.ProgramThread1_Recipe);
        printProgramThread("#div_programThread2", data.ProgramThread2_Step, data.ProgramThread2_Recipe);
        Brewtroller.timer.printTimer("#div_mashTimer", data.Mash_TimerValue, data.Mash_TimerStatus);
        Brewtroller.timer.printTimer("#div_boilTimer", data.Boil_TimerValue, data.Boil_TimerStatus);
        printAlarm("#button_alarm", data.alarmStatus);
        printTemperature("#div_hltTemperature", data.HLT_Temperature);
        printSetpoint("#div_hltSetpoint", data.HLT_Setpoint);
        printHeatPower("#div_hltHeatPower", data.HLT_HeatPower);
		printVolume("#div_hltVolume", data.HLT_Volume);
		printTargetVolume("#div_hltTargetVolume", data.HLT_TargetVolume);
		printFlowRate("#div_hltFlowRate", data.HLT_FlowRate);
        printTemperature("#div_mashTemperature", data.Mash_Temperature);
        printSetpoint("#div_mashSetpoint", data.Mash_Setpoint);
        printHeatPower("#div_mashHeatPower", data.Mash_HeatPower);
		printVolume("#div_mashVolume", data.Mash_Volume);
		printTargetVolume("#div_mashTargetVolume", data.Mash_TargetVolume);
		printFlowRate("#div_mashFlowRate", data.Mash_FlowRate);
        printTemperature("#div_kettleTemperature", data.Kettle_Temperature);
        printSetpoint("#div_kettleSetpoint", data.Kettle_Setpoint);
        printHeatPower("#div_kettleHeatPower", data.Kettle_HeatPower);
		printVolume("#div_kettleVolume", data.Kettle_Volume);
		printTargetVolume("#div_kettleTargetVolume", data.Kettle_TargetVolume);
		printFlowRate("#div_kettleFlowRate", data.Kettle_FlowRate);
		printBoilControl("#div_boilControl", data.Boil_ControlState);
	    printOutputProfiles("#div_outputProfiles", data.profileStatus);
		printOutputStatus("#div_outputStatus", data.outputStatus);
        Brewtroller.connected.connectWatchdog();
    }
	};


//Command Helper Functions
function brewTrollerExecCommand(cmdObj, index, params, host, user, pwd, callback){
	var command = cmdObj.reqCode;
	if (cmdObj.reqIndex) {
		command += index;
	}
	command += brewtrollerParseRequestParameters(cmdObj, params);
	$.ajax({
		url: "http://" + host + "/btnic.cgi",
//		beforeSend: function (xhr) {
//           if(user != null) {
//                xhr.withCredentials = true;
//                var tok = user + ':' + password;
//                var hash = btoa(tok);
//                xhr.setRequestHeader("Authorization", "Basic " + hash);
//           }
//		},
		data: command,
		dataType: "json",
		success:function(result){
			var object = brewTrollerParseResponse(result, cmdObj);
			callback(object);
			return object;
		},
		error: function(result) {
		}
	});
}

function brewtrollerParseRequestParameters(cmdObj, params) {
	var parameters = [];
	if (cmdObj.reqParams.length) {
		for (var i = 0; i < cmdObj.reqParams.length; i++) {
			parameters[i] = params[cmdObj.reqParams[i]];
		}
	}
	return (parameters.length ? "&" + parameters.join('&') : "");
}

function brewTrollerParseResponse(result, cmdObject)
{
	if (result[0][0] != cmdObject.rspCode) {
		var errorText;
		switch (result[0]) {
			case '!':
				errorText = "Bad Command";
				break;
			case '#':
				errorText = "Bad Parameter";
				break;
			case '$':
				errorText = "Bad Index";
				break;
			default:
				errorText = "Unknown response: " + result[0];
				break;
		}
		throw new Error("BrewTroller response error: " + errorText);
	}
	var returnObject;
	returnObject = {};
	for (var i = 0; i < cmdObject.rspParams.length; i++){
		returnObject[cmdObject.rspParams[i]] = result[i];
	}
	return returnObject;
};


function millisecondsToTime(milli)
{
      var milliseconds = milli % 1000;
      var seconds = Math.floor((milli / 1000) % 60);
      var minutes = Math.floor((milli / (60 * 1000)) % 60);

      return minutes + "m" + seconds + "s" + milliseconds + "ms";
};