var exitState = "";
var status = "";
var entryVal = "";
var courseTotalTime = 0;
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  doinit()
//
// Description: This function is used to initialize the module including the
// retrieval of key SCORM data elements from the LMS which are passed to the
// controller.
//
/////////////////////////////////////////////////////////////////////////////
function doinit(){
   //Initialize the LMS connection
   var result = LMSInitialize("");
   var lessonStatus = "";
   //Once communication is established get appropriate values
   if(result == "true" && result != null){
       entryVal = LMSGetValue("cmi.core.entry");      
       status = LMSGetValue("cmi.core.lesson_status");
 
	   if (entryVal == "ab-initio" || entryVal == "resume")
	   {		  
		  status = "incomplete";
		  exitState = "suspend";
		  LMSSetValue("cmi.core.lesson_status",status);
		  LMSCommit();
	   }
	   else if (entryVal == "")
	   {
		  status = "completed";
		  exitState = "";
	   }
 
       document.igc_controller.SetVariable("cmi_entry", entryVal);
	   document.igc_controller.SetVariable("cmi_temp_status", status); 
	   setTimeout("updateCourseTime()",1000);
 
    } else {
       //Can't find the API.  Present an error.
       alert("The API is not present.  Attempting to connect...Click Ok to continue.");
       doinit();
    }
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  updateCourseTime()
//
// Description: This function is used to update the amount of time a user spends in the course.
//
/////////////////////////////////////////////////////////////////////////////
function updateCourseTime(){
	courseTotalTime = courseTotalTime + 1000;
	setTimeout("updateCourseTime()",1000);
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  setBookmark(args)
//
// Description: This function is used to set a bookmark.
//
/////////////////////////////////////////////////////////////////////////////
function setBookmark(args){
	LMSSetValue("cmi.core.lesson_location",args);
	LMSCommit();
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  setClassScore(args)
//
// Description: This function is used to set a class complete score.
//
/////////////////////////////////////////////////////////////////////////////
function setClassScore(args){
   LMSSetValue("cmi.core.score.raw",args);
   LMSCommit();
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  getBookmark()
//
// Description: This function is used to get a bookmark.
//
/////////////////////////////////////////////////////////////////////////////
function getBookmark(){
   lmsbookmark = LMSGetValue("cmi.core.lesson_location");
   document.igc_controller.SetVariable("cmi_temp_bkmrk", lmsbookmark);
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  getClassProgress()
//
// Description: This function is used to get the classProgress.
//
/////////////////////////////////////////////////////////////////////////////
function getClassProgress(){
	   //for our purposes cmi.suspend_data will be a text string comprised as follows
       //"l1e1-m1.c,m2.c,m3.c.93/l1e2-m1.c,m2.i,m3.x/" That breaks down as follows
       //l1 = lesson 1
       //e1 = exercise 1
       //m1 = lecture, m2 = interactive, m3 = quiz
       //m1.c = complete, m1.i = incomplete, m1.x = not present, m3.c.95 = quiz is complete and learner recieved a score of 93%
       //commas separate modes, forward slash separates exercises, heirarchy denotes the rest	
       resumeD = LMSGetValue("cmi.suspend_data");
	   document.igc_controller.SetVariable("resumeD",resumeD);
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  setClassProgress()
//
// Description: This function is used to set the classProgress.
//
/////////////////////////////////////////////////////////////////////////////
function setClassProgress(args, courseScore, completeStatus){
	   //for our purposes cmi.suspend_data will be a text string comprised as follows
       //"l1e1-m1.c,m2.c,m3.c.93/l1e2-m1.c,m2.i,m3.x/" That breaks down as follows
       //l1 = lesson 1
       //e1 = exercise 1
       //m1 = lecture, m2 = interactive, m3 = quiz
       //m1.c = complete, m1.i = incomplete, m1.x = not present, m3.c.95 = quiz is complete and learner recieved a score of 93%
       //commas separate modes, forward slash separates exercises, heirarchy denotes the rest	
       LMSSetValue("cmi.suspend_data",args);
	   LMSCommit();		
 
	   if (completeStatus == "true"){
		   if (courseScore >= 0){
			   setClassScore(courseScore);
		   }		   
		   prepComplete();
	   }
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  prepComplete()
//
// Description: This function is used to mark the course complete upon completion.
// of all exercises by removing the bookmark and setting a global complete var.
//
/////////////////////////////////////////////////////////////////////////////
function prepComplete(){
   status = "completed";
   exitState = "";
   LMSSetValue("cmi.core.lesson_location","");
   LMSCommit();
}
 
/////////////////////////////////////////////////////////////////////////////
//
// Title:  dofinish()
//
// Description: This function is used to set and commit the appropriate status
// and exit state before closing the module.  It is called on the onUnload event
//
/////////////////////////////////////////////////////////////////////////////
function dofinish(){
	var seconds = "";
	var minutes = "";
	var hours = "";
 
	seconds=Math.floor(courseTotalTime/1000); 
	minutes=Math.floor(seconds/60); 
	hours=Math.floor(minutes/60); 
 
	seconds = seconds % 60;
	minutes = minutes % 60;
 
	//add leading zero to second
	if (seconds < 10){
		if (seconds == 0) {
			seconds = "00";
		} else {
			seconds = "0" + seconds;
		}
	}
 
	//add leading zero to minutes
	if (minutes < 10){
		if (minutes == 0) {
			minutes = "00";
		} else {
			minutes = "0" + minutes;
		}
	}
 
	//add leading zeros to hours
	if (hours < 10) {
		if (hours == 0) {
			hours = "0000";
		} else {
			hours = "000" + hours;
		}
	} else if (hours < 100) {
		hours = "00" + hours;
	} else if (hoursInt < 1000) {
		hours = "0" + hours;
	}
 
	var session_time = "";
	session_time = hours + ":" + minutes + ":" + seconds;
	LMSSetValue("cmi.core.session_time", session_time);
	LMSSetValue("cmi.core.lesson_status",status);
	LMSSetValue("cmi.core.exit", exitState);	
 
	LMSCommit();
	LMSFinish();
}