// SCORM 1.2 API Wrapper — Phoenix Metals PGS-15 eLearning
var API=null;
var _completed=false;
var _score=0;

function findAPI(win){
  var tries=0;
  while(win&&!win.API&&win.parent&&win.parent!==win&&tries<10){
    tries++;win=win.parent;
  }
  return win?win.API:null;
}

function initAPI(){
  if(API)return true;
  API=findAPI(window);
  if(!API&&window.opener)API=findAPI(window.opener);
  if(API){
    API.LMSInitialize('');
    var status=API.LMSGetValue('cmi.core.lesson_status');
    if(!status||status==='not attempted')API.LMSSetValue('cmi.core.lesson_status','incomplete');
    API.LMSCommit('');
    return true;
  }
  return false;
}

function setScore(pct,passed){
  if(!API)initAPI();
  if(API){
    API.LMSSetValue('cmi.core.score.raw',String(pct));
    API.LMSSetValue('cmi.core.score.min','0');
    API.LMSSetValue('cmi.core.score.max','100');
    API.LMSSetValue('cmi.core.lesson_status',passed?'passed':'failed');
    API.LMSCommit('');
  }
}

function finish(){
  if(API){API.LMSFinish('');}
}