text: /*global define, module */
  
  /* ===========================================================
  
  pipwerks SCORM Wrapper for JavaScript
  v1.1.20180906
  
  Created by Philip Hutchison, January 2008-2018
  https://github.com/pipwerks/scorm-api-wrapper
  
  Copyright (c) Philip Hutchison
  MIT-style license: http://pipwerks.mit-license.org/
  
  This wrapper works with both SCORM 1.2 and SCORM 2004.
  
  Inspired by APIWrapper.js, created by the ADL and
  Concurrent Technologies Corporation, distributed by
  the ADL (http://www.adlnet.gov/scorm).
  
  SCORM.API.find() and SCORM.API.get() functions based
  on ADL code, modified by Mike Rustici
  (http://www.scorm.com/resources/apifinder/SCORMAPIFinder.htm),
  further modified by Philip Hutchison
  
  =============================================================== */
  
  (function(root, factory) {
  
      "use strict";
  
      if (typeof define === 'function' && define.amd) {
          // AMD. Register as an anonymous module.
          define([], factory);
      } else if (typeof module === 'object' && module.exports) {
          // Node. Does not work with strict CommonJS, but
          // only CommonJS-like environments that support module.exports,
          // like Node.
          module.exports = factory();
      } else {
          // Browser globals (root is window)
          root.pipwerks = factory();
      }
  }(this, function() {
  
      "use strict";
  
      var pipwerks = {}; //pipwerks 'namespace' helps ensure no conflicts with possible other "SCORM" variables
      pipwerks.UTILS = {}; //For holding UTILS functions
      pipwerks.debug = { isActive: true }; //Enable (true) or disable (false) for debug mode
  
      pipwerks.SCORM = { //Define the SCORM object
          version: null, //Store SCORM version.
          handleCompletionStatus: true, //Whether or not the wrapper should automatically handle the initial completion status
          handleExitMode: true, //Whether or not the wrapper should automatically handle the exit mode
          API: {
              handle: null,
              isFound: false
          }, //Create API child object
          connection: { isActive: false }, //Create connection child object
          data: {
              completionStatus: null,
              exitStatus: null
          }, //Create data child object
          debug: {} //Create debug child object
      };
  
      /* --------------------------------------------------------------------------------
         pipwerks.SCORM.isAvailable
         A simple function to allow Flash ExternalInterface to confirm
         presence of JS wrapper before attempting any LMS communication.
  
         Parameters: none
         Returns:    Boolean (true)
      ----------------------------------------------------------------------------------- */
  
      pipwerks.SCORM.isAvailable = function() {
          return true;
      };
  
  
      // ------------------------------------------------------------------------- //
      // --- SCORM.API functions ------------------------------------------------- //
      // ------------------------------------------------------------------------- //
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.API.find(window)
         Looks for an object named API in parent and opener windows
  
         Parameters: window (the browser window object).
         Returns:    Object if API is found, null if no API found
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.API.find = function(win) {
  
          var API = null,
              findAttempts = 0,
              findAttemptLimit = 500,
              traceMsgPrefix = "SCORM.API.find",
              trace = pipwerks.UTILS.trace,
              scorm = pipwerks.SCORM;
  
          while ((!win.API && !win.API_1484_11) &&
              (win.parent) &&
              (win.parent != win) &&
              (findAttempts <= findAttemptLimit)) {
  
              findAttempts++;
              win = win.parent;
  
          }
  
          //If SCORM version is specified by user, look for specific API
          if (scorm.version) {
  
              switch (scorm.version) {
  
                  case "2004":
  
                      if (win.API_1484_11) {
  
                          API = win.API_1484_11;
  
                      } else {
  
                          trace(traceMsgPrefix + ": SCORM version 2004 was specified by user, but API_1484_11 cannot be found.");
  
                      }
  
                      break;
  
                  case "1.2":
  
                      if (win.API) {
  
                          API = win.API;
  
                      } else {
  
                          trace(traceMsgPrefix + ": SCORM version 1.2 was specified by user, but API cannot be found.");
  
                      }
  
                      break;
  
              }
  
          } else { //If SCORM version not specified by user, look for APIs
  
              if (win.API_1484_11) { //SCORM 2004-specific API.
  
                  scorm.version = "2004"; //Set version
                  API = win.API_1484_11;
  
              } else if (win.API) { //SCORM 1.2-specific API
  
                  scorm.version = "1.2"; //Set version
                  API = win.API;
  
              }
  
          }
  
          if (API) {
  
              trace(traceMsgPrefix + ": API found. Version: " + scorm.version);
              trace("API: " + API);
  
          } else {
  
              trace(traceMsgPrefix + ": Error finding API. \nFind attempts: " + findAttempts + ". \nFind attempt limit: " + findAttemptLimit);
  
          }
  
          return API;
  
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.API.get()
         Looks for an object named API, first in the current window's frame
         hierarchy and then, if necessary, in the current window's opener window
         hierarchy (if there is an opener window).
  
         Parameters:  None.
         Returns:     Object if API found, null if no API found
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.API.get = function() {
  
          var API = null,
              win = window,
              scorm = pipwerks.SCORM,
              find = scorm.API.find,
              trace = pipwerks.UTILS.trace;
  
          API = find(win);
  
          if (!API && win.parent && win.parent != win) {
              API = find(win.parent);
          }
  
          if (!API && win.top && win.top.opener) {
              API = find(win.top.opener);
          }
  
          //Special handling for Plateau
          //Thanks to Joseph Venditti for the patch
          if (!API && win.top && win.top.opener && win.top.opener.document) {
              API = find(win.top.opener.document);
          }
  
          if (API) {
              scorm.API.isFound = true;
          } else {
              trace("API.get failed: Can't find the API!");
          }
  
          return API;
  
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.API.getHandle()
         Returns the handle to API object if it was previously set
  
         Parameters:  None.
         Returns:     Object (the pipwerks.SCORM.API.handle variable).
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.API.getHandle = function() {
  
          var API = pipwerks.SCORM.API;
  
          if (!API.handle && !API.isFound) {
  
              API.handle = API.get();
  
          }
  
          return API.handle;
  
      };
  
  
      // ------------------------------------------------------------------------- //
      // --- pipwerks.SCORM.connection functions --------------------------------- //
      // ------------------------------------------------------------------------- //
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.connection.initialize()
         Tells the LMS to initiate the communication session.
  
         Parameters:  None
         Returns:     Boolean
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.connection.initialize = function() {
  
          var success = false,
              scorm = pipwerks.SCORM,
              completionStatus = scorm.data.completionStatus,
              trace = pipwerks.UTILS.trace,
              makeBoolean = pipwerks.UTILS.StringToBoolean,
              debug = scorm.debug,
              traceMsgPrefix = "SCORM.connection.initialize ";
  
          trace("connection.initialize called.");
  
          if (!scorm.connection.isActive) {
  
              var API = scorm.API.getHandle(),
                  errorCode = 0;
  
              if (API) {
  
                  switch (scorm.version) {
                      case "1.2":
                          success = makeBoolean(API.LMSInitialize(""));
                          break;
                      case "2004":
                          success = makeBoolean(API.Initialize(""));
                          break;
                  }
  
                  if (success) {
  
                      //Double-check that connection is active and working before returning 'true' boolean
                      errorCode = debug.getCode();
  
                      if (errorCode !== null && errorCode === 0) {
  
                          scorm.connection.isActive = true;
  
                          if (scorm.handleCompletionStatus) {
  
                              //Automatically set new launches to incomplete
                              completionStatus = scorm.status("get");
  
                              if (completionStatus) {
  
                                  switch (completionStatus) {
  
                                      //Both SCORM 1.2 and 2004
                                      case "not attempted":
                                          scorm.status("set", "incomplete");
                                          break;
  
                                          //SCORM 2004 only
                                      case "unknown":
                                          scorm.status("set", "incomplete");
                                          break;
  
                                          //Additional options, presented here in case you'd like to use them
                                          //case "completed"  : break;
                                          //case "incomplete" : break;
                                          //case "passed"     : break;    //SCORM 1.2 only
                                          //case "failed"     : break;    //SCORM 1.2 only
                                          //case "browsed"    : break;    //SCORM 1.2 only
  
                                  }
  
                                  //Commit changes
                                  scorm.save();
  
                              }
  
                          }
  
                      } else {
  
                          success = false;
                          trace(traceMsgPrefix + "failed. \nError code: " + errorCode + " \nError info: " + debug.getInfo(errorCode));
  
                      }
  
                  } else {
  
                      errorCode = debug.getCode();
  
                      if (errorCode !== null && errorCode !== 0) {
  
                          trace(traceMsgPrefix + "failed. \nError code: " + errorCode + " \nError info: " + debug.getInfo(errorCode));
  
                      } else {
  
                          trace(traceMsgPrefix + "failed: No response from server.");
  
                      }
                  }
  
              } else {
  
                  trace(traceMsgPrefix + "failed: API is null.");
  
              }
  
          } else {
  
              trace(traceMsgPrefix + "aborted: Connection already active.");
  
          }
  
          return success;
  
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.connection.terminate()
         Tells the LMS to terminate the communication session
  
         Parameters:  None
         Returns:     Boolean
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.connection.terminate = function() {
  
          var success = false,
              scorm = pipwerks.SCORM,
              exitStatus = scorm.data.exitStatus,
              completionStatus = scorm.data.completionStatus,
              trace = pipwerks.UTILS.trace,
              makeBoolean = pipwerks.UTILS.StringToBoolean,
              debug = scorm.debug,
              traceMsgPrefix = "SCORM.connection.terminate ";
  
  
          if (scorm.connection.isActive) {
  
              var API = scorm.API.getHandle(),
                  errorCode = 0;
  
              if (API) {
  
                  if (scorm.handleExitMode && !exitStatus) {
  
                      if (completionStatus !== "completed" && completionStatus !== "passed") {
  
                          switch (scorm.version) {
                              case "1.2":
                                  success = scorm.set("cmi.core.exit", "suspend");
                                  break;
                              case "2004":
                                  success = scorm.set("cmi.exit", "suspend");
                                  break;
                          }
  
                      } else {
  
                          switch (scorm.version) {
                              case "1.2":
                                  success = scorm.set("cmi.core.exit", "logout");
                                  break;
                              case "2004":
                                  success = scorm.set("cmi.exit", "normal");
                                  break;
                          }
  
                      }
  
                  }
  
                  //Ensure we persist the data for 1.2 - not required for 2004 where an implicit commit is applied during the Terminate
                  success = (scorm.version === "1.2") ? scorm.save() : true;
  
                  if (success) {
  
                      switch (scorm.version) {
                          case "1.2":
                              success = makeBoolean(API.LMSFinish(""));
                              break;
                          case "2004":
                              success = makeBoolean(API.Terminate(""));
                              break;
                      }
  
                      if (success) {
  
                          scorm.connection.isActive = false;
  
                      } else {
  
                          errorCode = debug.getCode();
                          trace(traceMsgPrefix + "failed. \nError code: " + errorCode + " \nError info: " + debug.getInfo(errorCode));
  
                      }
  
                  }
  
              } else {
  
                  trace(traceMsgPrefix + "failed: API is null.");
  
              }
  
          } else {
  
              trace(traceMsgPrefix + "aborted: Connection already terminated.");
  
          }
  
          return success;
  
      };
  
  
      // ------------------------------------------------------------------------- //
      // --- pipwerks.SCORM.data functions --------------------------------------- //
      // ------------------------------------------------------------------------- //
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.data.get(parameter)
         Requests information from the LMS.
  
         Parameter: parameter (string, name of the SCORM data model element)
         Returns:   string (the value of the specified data model element)
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.data.get = function(parameter) {
  
          var value = null,
              scorm = pipwerks.SCORM,
              trace = pipwerks.UTILS.trace,
              debug = scorm.debug,
              traceMsgPrefix = "SCORM.data.get('" + parameter + "') ";
  
          if (scorm.connection.isActive) {
  
              var API = scorm.API.getHandle(),
                  errorCode = 0;
  
              if (API) {
  
                  switch (scorm.version) {
                      case "1.2":
                          value = API.LMSGetValue(parameter);
                          break;
                      case "2004":
                          value = API.GetValue(parameter);
                          break;
                  }
  
                  errorCode = debug.getCode();
  
                  //GetValue returns an empty string on errors
                  //If value is an empty string, check errorCode to make sure there are no errors
                  if (value !== "" || errorCode === 0) {
  
                      //GetValue is successful.
                      //If parameter is lesson_status/completion_status or exit status, let's
                      //grab the value and cache it so we can check it during connection.terminate()
                      switch (parameter) {
  
                          case "cmi.core.lesson_status":
                          case "cmi.completion_status":
                              scorm.data.completionStatus = value;
                              break;
  
                          case "cmi.core.exit":
                          case "cmi.exit":
                              scorm.data.exitStatus = value;
                              break;
  
                      }
  
                  } else {
  
                      trace(traceMsgPrefix + "failed. \nError code: " + errorCode + "\nError info: " + debug.getInfo(errorCode));
  
                  }
  
              } else {
  
                  trace(traceMsgPrefix + "failed: API is null.");
  
              }
  
          } else {
  
              trace(traceMsgPrefix + "failed: API connection is inactive.");
  
          }
  
          trace(traceMsgPrefix + " value: " + value);
  
          return String(value);
  
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.data.set()
         Tells the LMS to assign the value to the named data model element.
         Also stores the SCO's completion status in a variable named
         pipwerks.SCORM.data.completionStatus. This variable is checked whenever
         pipwerks.SCORM.connection.terminate() is invoked.
  
         Parameters: parameter (string). The data model element
                     value (string). The value for the data model element
         Returns:    Boolean
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.data.set = function(parameter, value) {
  
          var success = false,
              scorm = pipwerks.SCORM,
              trace = pipwerks.UTILS.trace,
              makeBoolean = pipwerks.UTILS.StringToBoolean,
              debug = scorm.debug,
              traceMsgPrefix = "SCORM.data.set('" + parameter + "') ";
  
  
          if (scorm.connection.isActive) {
  
              var API = scorm.API.getHandle(),
                  errorCode = 0;
  
              if (API) {
  
                  switch (scorm.version) {
                      case "1.2":
                          success = makeBoolean(API.LMSSetValue(parameter, value));
                          break;
                      case "2004":
                          success = makeBoolean(API.SetValue(parameter, value));
                          break;
                  }
  
                  if (success) {
  
                      if (parameter === "cmi.core.lesson_status" || parameter === "cmi.completion_status") {
  
                          scorm.data.completionStatus = value;
  
                      }
  
                  } else {
  
                      errorCode = debug.getCode();
  
                      trace(traceMsgPrefix + "failed. \nError code: " + errorCode + ". \nError info: " + debug.getInfo(errorCode));
  
                  }
  
              } else {
  
                  trace(traceMsgPrefix + "failed: API is null.");
  
              }
  
          } else {
  
              trace(traceMsgPrefix + "failed: API connection is inactive.");
  
          }
  
          trace(traceMsgPrefix + " value: " + value);
  
          return success;
  
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.data.save()
         Instructs the LMS to persist all data to this point in the session
  
         Parameters: None
         Returns:    Boolean
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.data.save = function() {
  
          var success = false,
              scorm = pipwerks.SCORM,
              trace = pipwerks.UTILS.trace,
              makeBoolean = pipwerks.UTILS.StringToBoolean,
              traceMsgPrefix = "SCORM.data.save failed";
  
  
          if (scorm.connection.isActive) {
  
              var API = scorm.API.getHandle();
  
              if (API) {
  
                  switch (scorm.version) {
                      case "1.2":
                          success = makeBoolean(API.LMSCommit(""));
                          break;
                      case "2004":
                          success = makeBoolean(API.Commit(""));
                          break;
                  }
  
              } else {
  
                  trace(traceMsgPrefix + ": API is null.");
  
              }
  
          } else {
  
              trace(traceMsgPrefix + ": API connection is inactive.");
  
          }
  
          return success;
  
      };
  
  
      pipwerks.SCORM.status = function(action, status) {
  
          var success = false,
              scorm = pipwerks.SCORM,
              trace = pipwerks.UTILS.trace,
              traceMsgPrefix = "SCORM.getStatus failed",
              cmi = "";
  
          if (action !== null) {
  
              switch (scorm.version) {
                  case "1.2":
                      cmi = "cmi.core.lesson_status";
                      break;
                  case "2004":
                      cmi = "cmi.completion_status";
                      break;
              }
  
              switch (action) {
  
                  case "get":
                      success = scorm.data.get(cmi);
                      break;
  
                  case "set":
                      if (status !== null) {
  
                          success = scorm.data.set(cmi, status);
  
                      } else {
  
                          success = false;
                          trace(traceMsgPrefix + ": status was not specified.");
  
                      }
  
                      break;
  
                  default:
                      success = false;
                      trace(traceMsgPrefix + ": no valid action was specified.");
  
              }
  
          } else {
  
              trace(traceMsgPrefix + ": action was not specified.");
  
          }
  
          return success;
  
      };
  
  
      // ------------------------------------------------------------------------- //
      // --- pipwerks.SCORM.debug functions -------------------------------------- //
      // ------------------------------------------------------------------------- //
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.debug.getCode
         Requests the error code for the current error state from the LMS
  
         Parameters: None
         Returns:    Integer (the last error code).
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.debug.getCode = function() {
  
          var scorm = pipwerks.SCORM,
              API = scorm.API.getHandle(),
              trace = pipwerks.UTILS.trace,
              code = 0;
  
          if (API) {
  
              switch (scorm.version) {
                  case "1.2":
                      code = parseInt(API.LMSGetLastError(), 10);
                      break;
                  case "2004":
                      code = parseInt(API.GetLastError(), 10);
                      break;
              }
  
          } else {
  
              trace("SCORM.debug.getCode failed: API is null.");
  
          }
  
          return code;
  
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.debug.getInfo()
         "Used by a SCO to request the textual description for the error code
         specified by the value of [errorCode]."
  
         Parameters: errorCode (integer).
         Returns:    String.
      ----------------------------------------------------------------------------- */
  
      pipwerks.SCORM.debug.getInfo = function(errorCode) {
  
          var scorm = pipwerks.SCORM,
              API = scorm.API.getHandle(),
              trace = pipwerks.UTILS.trace,
              result = "";
  
  
          if (API) {
  
              switch (scorm.version) {
                  case "1.2":
                      result = API.LMSGetErrorString(errorCode.toString());
                      break;
                  case "2004":
                      result = API.GetErrorString(errorCode.toString());
                      break;
              }
  
          } else {
  
              trace("SCORM.debug.getInfo failed: API is null.");
  
          }
  
          return String(result);
  
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.SCORM.debug.getDiagnosticInfo
         "Exists for LMS specific use. It allows the LMS to define additional
         diagnostic information through the API Instance."
  
         Parameters: errorCode (integer).
         Returns:    String (Additional diagnostic information about the given error code).
      ---------------------------------------------------------------------------- */
  
      pipwerks.SCORM.debug.getDiagnosticInfo = function(errorCode) {
  
          var scorm = pipwerks.SCORM,
              API = scorm.API.getHandle(),
              trace = pipwerks.UTILS.trace,
              result = "";
  
          if (API) {
  
              switch (scorm.version) {
                  case "1.2":
                      result = API.LMSGetDiagnostic(errorCode);
                      break;
                  case "2004":
                      result = API.GetDiagnostic(errorCode);
                      break;
              }
  
          } else {
  
              trace("SCORM.debug.getDiagnosticInfo failed: API is null.");
  
          }
  
          return String(result);
  
      };
  
  
      // ------------------------------------------------------------------------- //
      // --- Shortcuts! ---------------------------------------------------------- //
      // ------------------------------------------------------------------------- //
  
      // Because nobody likes typing verbose code.
  
      pipwerks.SCORM.init = pipwerks.SCORM.connection.initialize;
      pipwerks.SCORM.get = pipwerks.SCORM.data.get;
      pipwerks.SCORM.set = pipwerks.SCORM.data.set;
      pipwerks.SCORM.save = pipwerks.SCORM.data.save;
      pipwerks.SCORM.quit = pipwerks.SCORM.connection.terminate;
  
  
  
      // ------------------------------------------------------------------------- //
      // --- pipwerks.UTILS functions -------------------------------------------- //
      // ------------------------------------------------------------------------- //
  
  
      /* -------------------------------------------------------------------------
         pipwerks.UTILS.StringToBoolean()
         Converts 'boolean strings' into actual valid booleans.
  
         (Most values returned from the API are the strings "true" and "false".)
  
         Parameters: String
         Returns:    Boolean
      ---------------------------------------------------------------------------- */
  
      pipwerks.UTILS.StringToBoolean = function(value) {
          var t = typeof value;
          switch (t) {
              //typeof new String("true") === "object", so handle objects as string via fall-through.
              //See https://github.com/pipwerks/scorm-api-wrapper/issues/3
              case "object":
              case "string":
                  return (/(true|1)/i).test(value);
              case "number":
                  return !!value;
              case "boolean":
                  return value;
              case "undefined":
                  return null;
              default:
                  return false;
          }
      };
  
  
      /* -------------------------------------------------------------------------
         pipwerks.UTILS.trace()
         Displays error messages when in debug mode.
  
         Parameters: msg (string)
         Return:     None
      ---------------------------------------------------------------------------- */
  
      pipwerks.UTILS.trace = function(msg) {
  
          if (pipwerks.debug.isActive) {
  
              if (window.console && window.console.log) {
                  window.console.log(msg);
              } else {
                  //alert(msg);
              }
  
          }
      };
  
      return pipwerks;
  
  }));
  