text: angular.module('appControllers').controller('SettingsCtrl', SettingsCtrl); // get the main module controllers set
  SettingsCtrl.$inject = ['$rootScope', '$scope', '$state', '$location', '$window', '$http']; // Inject my dependencies
  
  
  // create our controller function with all necessary logic
  function SettingsCtrl($rootScope, $scope, $state, $location, $window, $http) {
  
  	$scope.$parent.helppage = 'plates/settings-help.html';
  
  	var toggles = ['UAT_Enabled', 'ES_Enabled', 'OGN_Enabled', 'Ping_Enabled', 'GPS_Enabled', 'IMU_Sensor_Enabled',
  		'BMP_Sensor_Enabled', 'DisplayTrafficSource', 'DEBUG', 'ReplayLog', 'AHRSLog', 'PersistentLogging', 'GDL90MSLAlt_Enabled', 'EstimateBearinglessDist', 'DarkMode'];
  
  	var settings = {};
  	for (var i = 0; i < toggles.length; i++) {
  		settings[toggles[i]] = undefined;
  	}
  	$scope.update_files = '';
  
  	$http.get(URL_STATUS_GET).then(function(response) {
  		var status = angular.fromJson(response.data);
  		var gpsHardwareCode = (status.GPS_detected_type & 0x0f);
  		if (gpsHardwareCode == 3 || status.OGN_tx_enabled)
  			$scope.hasOgnTracker = true;
  		else
  			$scope.hasOgnTracker = false;
  	});
  
  	function loadSettings(data) {
  		settings = angular.fromJson(data);
  		// consider using angular.extend()
  		$scope.rawSettings = angular.toJson(data, true);
  		$scope.visible_serialout = false;
  		if ((settings.SerialOutputs !== undefined) && (settings.SerialOutputs !== null)) {
  			for (var k in settings.SerialOutputs) {
  				$scope.Baud = settings.SerialOutputs[k].Baud;
  				$scope.visible_serialout = true;
  			}
  		}
  
  		$scope.DarkMode = settings.DarkMode;
  
  		$scope.UAT_Enabled = settings.UAT_Enabled;
  		$scope.ES_Enabled = settings.ES_Enabled;
  		$scope.OGN_Enabled = settings.OGN_Enabled;
  		$scope.Ping_Enabled = settings.Ping_Enabled;
  		$scope.GPS_Enabled = settings.GPS_Enabled;
  
  		$scope.IMU_Sensor_Enabled = settings.IMU_Sensor_Enabled;
  		$scope.BMP_Sensor_Enabled = settings.BMP_Sensor_Enabled;
  		$scope.DisplayTrafficSource = settings.DisplayTrafficSource;
  		$scope.DEBUG = settings.DEBUG;
  		$scope.ReplayLog = settings.ReplayLog;
  		$scope.AHRSLog = settings.AHRSLog;
  		$scope.PersistentLogging = settings.PersistentLogging;
  
  		$scope.PPM = settings.PPM;
  		$scope.AltitudeOffset = settings.AltitudeOffset;
  		$scope.WatchList = settings.WatchList;
  		$scope.OwnshipModeS = settings.OwnshipModeS;
  		$scope.DeveloperMode = settings.DeveloperMode;
          $scope.GLimits = settings.GLimits;
          $scope.GDL90MSLAlt_Enabled = settings.GDL90MSLAlt_Enabled;
  		$scope.EstimateBearinglessDist = settings.EstimateBearinglessDist
  		$scope.StaticIps = settings.StaticIps;
  
          $scope.WiFiSSID = settings.WiFiSSID;
          $scope.WiFiPassphrase = settings.WiFiPassphrase;
          $scope.WiFiSecurityEnabled = settings.WiFiSecurityEnabled;
          $scope.WiFiChannel = settings.WiFiChannel;
  		$scope.WiFiIPAddress = settings.WiFiIPAddress;
  
  		$scope.WiFiMode = settings.WiFiMode.toString();
  		$scope.WiFiDirectPin = settings.WiFiDirectPin;
  
  		$scope.WiFiClientSSID = settings.WiFiClientSSID;
  		$scope.WiFiClientPassword = settings.WiFiClientPassword;
  		$scope.WiFiInternetPassThroughEnabled = settings.WiFiInternetPassThroughEnabled;
  
          $scope.Channels = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];
  
  		$scope.OGNAddrType = settings.OGNAddrType.toString();
  		$scope.OGNAddr = settings.OGNAddr;
  		$scope.OGNAcftType = settings.OGNAcftType.toString();
  		$scope.OGNPilot = settings.OGNPilot;
  		$scope.OGNReg = settings.OGNReg;
  		$scope.OGNTxPower = settings.OGNTxPower;
  
  		$scope.PWMDutyMin = settings.PWMDutyMin;
  
  		// Update theme
  		$scope.$parent.updateTheme($scope.DarkMode);
  	}
  
  	function getSettings() {
  		// Simple GET request example (note: response is asynchronous)
  		$http.get(URL_SETTINGS_GET).
  		then(function (response) {
  			loadSettings(response.data);
  			// $scope.$apply();
  		}, function (response) {
  			$scope.rawSettings = "error getting settings";
  			for (i = 0; i < toggles.length; i++) {
  				settings[toggles[i]] = false;
  			}
  		});
  	}
  
  	function setSettings(msg) {
  		// Simple POST request example (note: response is asynchronous)
  		$http.post(URL_SETTINGS_SET, msg).
  		then(function (response) {
  			loadSettings(response.data);
  			// $scope.$apply();
  		}, function (response) {
  			$scope.rawSettings = "error setting settings";
  			for (i = 0; i < toggles.length; i++) {
  				settings[toggles[i]] = false;
  			}
  
  		});
  	}
  
  	getSettings();
  
      // Reset all settings from a button on the page
      $scope.resetSettings = function () {
          getSettings();
      };
  
  	$scope.$watchGroup(toggles, function (newValues, oldValues, scope) {
  		var newsettings = {};
  		var dirty = false;
  		for (i = 0; i < newValues.length; i++) {
  			if ((newValues[i] !== undefined) && (settings[toggles[i]] !== undefined)) {
  				if (newValues[i] !== settings[toggles[i]]) {
  					settings[toggles[i]] = newValues[i];
  					newsettings[toggles[i]] = newValues[i];
  					dirty = true;
  				}
  			}
  		}
  		if (dirty) {
  			// console.log(angular.toJson(newsettings));
  			setSettings(angular.toJson(newsettings));
  		}
  	});
  
  	$scope.updateppm = function () {
  		settings["PPM"] = 0;
  		if (($scope.PPM !== undefined) && ($scope.PPM !== null)) {
  			settings["PPM"] = parseInt($scope.PPM);
  			var newsettings = {
  				"PPM": settings["PPM"]
  			};
  			// console.log(angular.toJson(newsettings));
  			setSettings(angular.toJson(newsettings));
  		}
  	};
  
  	$scope.updatePWMDutyMin = function() {
  		settings['PWMDutyMin'] = 0;
  		if ($scope.PWMDutyMin !== undefined && $scope.PWMDutyMin !== null) {
  			settings['PWMDutyMin'] = parseInt($scope.PWMDutyMin);
  			var newsettings = {
  				'PWMDutyMin': settings['PWMDutyMin']
  			};
  			setSettings(angular.toJson(newsettings));
  		}
  	}
  
  	$scope.updateBaud = function () {
  		settings["Baud"] = 0;
  		if (($scope.Baud !== undefined) && ($scope.Baud !== null)) {
  			settings["Baud"] = parseInt($scope.Baud);
  			var newsettings = {
  				"Baud": settings["Baud"]
  			};
  			// console.log(angular.toJson(newsettings));
  			setSettings(angular.toJson(newsettings));
  		}
  	};
  
  	$scope.updatewatchlist = function () {
  		if ($scope.WatchList !== settings["WatchList"]) {
  			settings["WatchList"] = "";
  			if ($scope.WatchList !== undefined) {
  				settings["WatchList"] = $scope.WatchList.toUpperCase();
  			}
  			var newsettings = {
  				"WatchList": settings["WatchList"]
  			};
  			// console.log(angular.toJson(newsettings));
  			setSettings(angular.toJson(newsettings));
  		}
  	};
  
  	$scope.updatemodes = function () {
  		if ($scope.OwnshipModeS !== settings["OwnshipModeS"]) {
  			settings["OwnshipModeS"] = $scope.OwnshipModeS.toUpperCase();
  			var newsettings = {
  				"OwnshipModeS": $scope.OwnshipModeS.toUpperCase()
  			};
  			// console.log(angular.toJson(newsettings));
  			setSettings(angular.toJson(newsettings));
  		}
  	};
  
  	$scope.updatestaticips = function () {
  		if ($scope.StaticIps !== settings.StaticIps) {
  			var newsettings = {
  				"StaticIps": $scope.StaticIps === undefined? "" : $scope.StaticIps.join(' ')
  			};
  			// console.log(angular.toJson(newsettings));
  			setSettings(angular.toJson(newsettings));
  		}
  	};
  
  	$scope.updatealtitudeoffset = function () {
  		if ($scope.AltitudeOffset !== undefined && $scope.AltitudeOffset !== null && $scope.AltitudeOffset !== settings["AltitudeOffset"]) {
  			settings["AltitudeOffset"] = parseInt($scope.AltitudeOffset);
  			var newsettings = {
  				"AltitudeOffset": settings["AltitudeOffset"]
  			};
  			// console.log(angular.toJson(newsettings));
  			setSettings(angular.toJson(newsettings));
  		}
  	};
  
      $scope.updateGLimits = function () {
          if ($scope.GLimits !== settings["GLimits"]) {
              settings["GLimits"] = $scope.GLimits;
              var newsettings = {
                  "GLimits": settings["GLimits"]
              };
              // console.log(angular.toJson(newsettings));
              setSettings(angular.toJson(newsettings));
          }
      };
  
      $scope.postShutdown = function () {
          $window.location.href = "/";
          $location.path('/home');
          $http.post(URL_SHUTDOWN).
          then(function (response) {
              // do nothing
              // $scope.$apply();
          }, function (response) {
              // do nothing
          });
  	};
  
  	$scope.postReboot = function () {
  		$window.location.href = "/";
  		$location.path('/home');
  		$http.post(URL_REBOOT).
  		then(function (response) {
  			// do nothing
  			// $scope.$apply();
  		}, function (response) {
  			// do nothing
  		});
  	};
  
  	$scope.setUploadFile = function (files) {
  		$scope.update_files = files;
  		$scope.$apply();
  	};
  
  	$scope.resetUploadFile = function () {
  		$scope.update_files = '';
  		$scope.$apply();
  	};
  
  	$scope.uploadFile = function () {
  		var fd = new FormData();
  		//Take the first selected file
  		var file = $scope.update_files[0];
  		// check for empty string
  		if (file === undefined || file === null) {
  			alert ("update file not selected");
  			return;
  		}
  		var filename = file.name;
  		// check for expected file naming convention
  		var re = /^update.*\.sh$/;
  		if (!re.exec(filename)) {
  			alert ("file does not appear to be an update");
  			return;
  		}
  
  		fd.append("update_file", file);
  		$scope.uploading_update = true;
  		$scope.$apply();
  
  		$http.post(URL_UPDATE_UPLOAD, fd, {
  			withCredentials: true,
  			headers: {
  				'Content-Type': undefined
  			},
  			transformRequest: angular.identity
  		}).success(function (data) {
  			$scope.uploading_update = false;
  			alert("success. wait 5 minutes and refresh home page to verify new version.");
  			window.location.replace("/");
  			$scope.$apply();
  		}).error(function (data) {
  			$scope.uploading_update = false;
  			alert("error");
  			$scope.$apply();
  		});
  	};
  
  	$scope.setOrientation = function(action) {
  		// console.log("sending " + action + " message.");
  		$http.post(URL_AHRS_ORIENT, action).
  		then(function (response) {
  			// console.log("sent " + action + " message.");
  		}, function(response) {
  			// failure: cancel the calibration
  			// console.log(response.data);
  			$scope.Orientation_Failure_Message = response.data;
  			$scope.Ui.turnOff('modalCalibrateDone');
  			$scope.Ui.turnOn("modalCalibrateFailed");
  		});
      };
  
      $scope.updateWiFi = function(action) {
          $scope.WiFiErrors = {
              'WiFiSSID': '',
              'WiFiPassphrase': '',
              'Errors': false
          };
  
          if (($scope.WiFiSSID === undefined) || ($scope.WiFiSSID === null) || !isValidSSID($scope.WiFiSSID)) {
                  $scope.WiFiErrors.WiFiSSID = "Your Network Name(\"SSID\") must be at least 1 character " +
                      "but not more than 32 characters. It can only contain a-z, A-Z, 0-9, _ or -.";
                  $scope.WiFiErrors.Errors = true;
              }
  
          if ($scope.WiFiSecurityEnabled) {
              if (!isValidWPA($scope.WiFiPassphrase)) {
                  $scope.WiFiErrors.WiFiPassphrase = "Your WiFi Password, " + $scope.WiFiPassphrase +
                      ", contains invalid characters.";
                  $scope.WiFiErrors.Errors = true;
              }
              if ($scope.WiFiPassphrase.length < 8 || $scope.WiFiPassphrase.length > 63 ) {
                  $scope.WiFiErrors.WiFiPassphrase = "Your WiFi Password must be between 8 and 63 characters long.";
                  $scope.WiFiErrors.Errors = true;
              }
          }
  
          if (!$scope.WiFiErrors.Errors) {
              var newsettings = {
                  "WiFiSSID" :  $scope.WiFiSSID,
                  "WiFiSecurityEnabled" : $scope.WiFiSecurityEnabled,
                  "WiFiPassphrase" : $scope.WiFiPassphrase,
                  "WiFiChannel" : parseInt($scope.WiFiChannel),
  				"WiFiIPAddress" : $scope.WiFiIPAddress,
  				"WiFiMode" : parseInt($scope.WiFiMode),
  				"WiFiDirectPin": $scope.WiFiDirectPin,
  				"WiFiClientSSID": $scope.WiFiClientSSID,
  				"WiFiClientPassword": $scope.WiFiClientPassword,
  				"WiFiInternetPassThroughEnabled": $scope.WiFiInternetPassThroughEnabled
              };
  
              // console.log(angular.toJson(newsettings));
              setSettings(angular.toJson(newsettings));
              $scope.Ui.turnOn("modalSuccessWiFi");
          } else {
              $scope.Ui.turnOn("modalErrorWiFi");
          }
      };
  
  	$scope.wifiModeStr = function() {
  		switch(parseInt($scope.WiFiMode)) {
  			case 0: return "AP";
  			case 1: return "WiFi-Direct";
  			case 2: return "AP+Client";
  		}
  		return "???";
  	}
  
  	$scope.updateOgnTrackerConfig = function(action) {
  		var newsettings = {
  			"OGNAddrType": parseInt($scope.OGNAddrType),
  			"OGNAddr": $scope.OGNAddr,
  			"OGNAcftType": parseInt($scope.OGNAcftType),
  			"OGNPilot": $scope.OGNPilot,
  			"OGNReg": $scope.OGNReg,
  			"OGNTxPower": $scope.OGNTxPower
  		};
  		setSettings(angular.toJson(newsettings));
  
  		// reload settings after a short time, to check if OGN tracker actually accepted the settings
  		setTimeout(function() {
  			getSettings();
  		}, 1000);
  	}
  }
  
  function isValidSSID(str) { return /^[a-zA-Z0-9() \._-]{1,32}$/g.test(str); }
  function isValidWPA(str) { return /^[\u0020-\u007e]{8,63}$/g.test(str); }
  function isValidPin(str) { return /^([\d]{4}|[\d]{8})$/g.test(str); }
  
  angular.module('appControllers')
      .directive('hexInput', function() { // directive for ownship hex code validation
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function hexValidation(value) {
                      var valid = /^$|^([0-9A-Fa-f]{6},?)*$/.test(value);
                      ctrl.$setValidity('FAAHex', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(hexValidation);
              }
          };
      })
      .directive('watchlistInput', function() { // directive for ICAO space-separated watch list validation
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function watchListValidation(value) {
                      // The list of METAR locations at http://www.aviationweather.gov/docs/metar/stations.txt
                      // lists only 4-letter/number ICAO codes.
                      var r = "[A-Za-z0-9]{4}";
                      var valid = (new RegExp("^(" + r + "( " + r + ")*|)$", "g")).test(value);
                      ctrl.$setValidity('ICAOWatchList', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(watchListValidation);
              }
          };
      })
      .directive('ssidInput', function() { // directive for WiFi SSID validation
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function ssidValidation(value) {
                      var valid = isValidSSID(value);
                      ctrl.$setValidity('ssid', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(ssidValidation);
              }
          };
      })
      .directive('wpaInput', function() { // directive for WiFi WPA Passphrase validation
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function wpaValidation(value) {
                      var valid = isValidWPA(value);
                      ctrl.$setValidity('wpaPassphrase', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(wpaValidation);
              }
          };
      })
  	.directive('pinInput', function() {
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function pinValidation(value) {
                      var valid = isValidPin(value);
                      ctrl.$setValidity('WiFiDirectPin', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(pinValidation);
              }
          };	
  	})
      .directive('ipListInput', function() { // directive for validation of list of IP addresses
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function ipListValidation(value) {
                      var r = "(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)";
                      var valid = (new RegExp("^(" + r + "( " + r + ")*|)$", "g")).test(value);
                      ctrl.$setValidity('ipList', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(ipListValidation);
              }
          };
      })
  	.directive('ipAddrInput', function() { // directive for validation of a single IP address
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function ipListValidation(value) {
                      var r = "^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$";
                      var valid = (new RegExp(r, "g")).test(value);
                      ctrl.$setValidity('ipAddr', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(ipListValidation);
              }
          };
      })
      .directive('gLimitsInput', function() { // directive for validation of list of G Limits
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function gLimitsValidation(value) {
                      var r = "[-+]?[0-9]*\.?[0-9]+";
                      var valid = (new RegExp("^(" + r + "( " + r + ")*|)$", "g")).test(value);
                      ctrl.$setValidity('gLimits', valid);
                      if (valid) {
                          return value;
                      } else {
                          return "";
                      }
                  }
                  ctrl.$parsers.push(gLimitsValidation);
              }
          };
      })
      .directive('pilotnameInput', function() {
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function pilotnameValidation(value) {
                      var r = "^[0-9a-zA-Z_]*$";
                      var valid = new RegExp(r).test(value);
                      ctrl.$setValidity('pilotname', valid);
                      if (valid)
                          return value;
                      else
                          return "";
                  }
                  ctrl.$parsers.push(pilotnameValidation);
              }
          }
      }).directive('ognregInput', function() {
          return {
              require: 'ngModel',
              link: function(scope, element, attr, ctrl) {
                  function ognregValidation(value) {
                      var r = "^[0-9a-zA-Z_\-]*$";
                      var valid = new RegExp(r).test(value);
                      ctrl.$setValidity('ognreg', valid);
                      if (valid)
                          return value;
                      else
                          return "";
                  }
                  ctrl.$parsers.push(ognregValidation);
              }
          }
      });
  