/***
   KeymanWeb 11.0
   Copyright 2019 SIL International
***/

// If KMW is already initialized, the KMW script has been loaded more than once. We wish to prevent resetting the
// KMW system, so we use the fact that 'initialized' is only 1 / true after all scripts are loaded for the initial
// load of KMW.
if(!window['keyman']['initialized']) {
  /*__STARTDEBUG__*/
  /*----------------------------------------------------------------------------------------------------*/

  (function()
  {
    var keymanweb=window['keyman'],util=keymanweb['util'],kbdInterface=keymanweb.core.kbdInterface;

    keymanweb._LogDebug = true; //false; // typeof(debug) == 'undefined' ? true : debug;
    if(util.device.formFactor == 'phone')return; // I3363 (Build 301)
    if(keymanweb._LogDebug)
    {
      var dhost = document.createElement('DIV');
      dhost.style.display = 'block';
      dhost.style.position = 'fixed';
      dhost.style.right = 0;
      dhost.style.top = 0;
      if(util.device.formFactor == 'tablet') dhost.style.top='22px';  //allow for bar at top of iPad  I3363 (Build 301)
      dhost.style.width = '30%';
      dhost.style.height = '200px';
      dhost.style.zIndex = 8000;
      dhost.style.border = 'solid 2px #ad4a28';

      keymanweb._DivDebug = document.createElement('DIV');
      keymanweb._DivDebug.style.fontFamily = 'Lucida Console,Courier New,courier';
      keymanweb._DivDebug.style.position = 'absolute';
      keymanweb._DivDebug.style.top = '20px';
      keymanweb._DivDebug.style.width = '100%';
      keymanweb._DivDebug.style.height = '180px';
      keymanweb._DivDebug.style.overflow = 'auto';
      keymanweb._DivDebug.style.fontSize = '8pt';
      keymanweb._DivDebug.style.background = 'white';
      keymanweb._DivDebug.style.display = 'block';

      dhost.appendChild(keymanweb._DivDebug);

      var _dd = document.createElement('DIV');
      _dd.style.position = 'absolute';
      _dd.style.left = 0;
      _dd.style.right = 0;
      _dd.style.width = '100%';
      _dd.style.height = '20px';
      _dd.style.background = '#ad4a28';

      var _c = document.createElement('A');
      _c.onclick = function() { keymanweb._DivDebug.innerHTML = ''; return false; }
      _c.href = '#';
      _c.innerHTML = 'Clear';
      _c.style.color = 'white';
      _c.style.cssFloat = _c.style.styleFloat = 'right';
      _c.style.paddingRight = '8px';
      _dd.appendChild(_c);

      var _c1 = document.createElement('A');  //renamed to avoid conflict with previous _c JMD 27/8
      _c1.onclick = function()
      {
        if(keymanweb._DivDebug.style.display == 'block')
        {
          keymanweb._DivDebug.style.display = 'none'; dhost.style.height='20px'; this.innerHTML = 'Enable Debugging';
        }
        else
        {
          keymanweb._DivDebug.style.display = 'block'; dhost.style.height='200px'; this.innerHTML = 'Disable Debugging';
        }
        return false;
      }
      _c1.href = '#';
      _c1.innerHTML = 'Disable Debugging';
      _c1.style.color = 'white';
      _c1.style.cssFloat = _c1.style.styleFloat = 'right';
      _c1.style.paddingRight = '8px';
      _dd.appendChild(_c1);
      dhost.appendChild(_dd);

      if(document.body)
        document.body.appendChild(dhost);
      else
        util['attachDOMEvent'](window, 'load', function() { document.body.appendChild(dhost); });
    }

    keymanweb._DebugDepth = '';

    /**
     * Note that _Debug(), _DebugEnter(), _DebugExit() and _DebugDeadKeys() are defined with global scope
     * so that when stubbed out, the references can be completely removed from the compiled code JMD 27/8
     */

    _Debug = function(Ps)
    {
      if(keymanweb._LogDebug && keymanweb._DivDebug.style.display == 'block')
      {
        var Lelem = document.createElement('P'),t='';
        if(typeof(Ps)=='object')
        {
          for(z in Ps) t=t+z+': '+Ps[z]+', ';
        }
        else t=Ps;
        if(arguments.length > 1)
        {
          var n,x;
          for(n=1;n<arguments.length;n++)
          {
            t=t+'; ';
            x=arguments[n];
            if(typeof(x)=='object')
            {
              for(z in x) t=t+z+': '+x[z]+', ';
            }
            else t = t+x;
          }
        }

        try
        {
          Lelem.innerHTML = t;
        }
        catch(e)
        {
          Lelem.innerHTML = 'Debugging error - unable to display debug content: '+e.message;
        }

        if(document && keymanweb._DivDebug)
        {
          keymanweb._DivDebug.appendChild(Lelem);
          if(keymanweb._DivDebug.childNodes.length > 7) keymanweb._DivDebug.removeChild(keymanweb._DivDebug.childNodes[0]);
          //The above line could be replaced by absolute position checking, but this way is a lot easier (and probably faster)
          //and is fine if debug output is always a single line

        }
        //Lelem.scrollIntoView(); //***temporarily disabled, JMD 23/12/11
        //keymanweb._DivDebug.innerHTML = keymanweb._DivDebug.innerHTML + '<br>'+keymanweb._DebugDepth+Ps;
      }
    }

    _DebugEnter = function(f)
    {
      _Debug(f+' ENTER');
      keymanweb._DebugDepth = keymanweb._DebugDepth + '&nbsp;&nbsp;';
    }

    _DebugExit = function(f)
    {
      keymanweb._DebugDepth = keymanweb._DebugDepth.slice(0,-12);
      _Debug(f+' EXIT');
    }

    _DebugDeadKeys = function(Pelem, Ps)
    {
      var Lt = "", Li, Lp = 0, Ls, Lj;

      // Mozilla debug (table formatting removed)
      if(Pelem.tagName == 'HTML') Ls = Pelem.innerHTML; else Ls = Pelem.value; Lt = ''; //span style="font-size: 12pt">';
      if(typeof(Ls) === 'undefined') return;
      for(Li = 0; Li <= Ls._kmwLength(); Li++) Lt += "<"+Ls._kmwCharAt(Li)+">"; //I3319
      for(Li = 0; Li <= Ls._kmwLength(); Li++)  //I3319
      {
        for(var Lj = 0; Lj < kbdInterface._DeadKeys.length; Lj++)
        {
          Lt = Lt + '['+kbdInterface._DeadKeys[Lj].p+':'+kbdInterface._DeadKeys[Lj].d+']';
        }
        if(Li < Ls._kmwLength()) Lt = Lt + Ls._kmwCharAt(Li);
      }

      //_Debug(Ps + ': ' + Lt);
        //Lt = Lt + keymanweb._DebugDepth + ' &nbsp; dk['+Li+'] = {pos: '+kbdInterface._DeadKeys[Li].p+', deadKey: '+kbdInterface._DeadKeys[Li].d+'}<br>';


  /*
      var Lt = "", Li, Lp = 0;
      for(Li = 0; Li < kbdInterface._DeadKeys.length; Li++)
      {
        if(kbdInterface._DeadKeys[Li].p > Lp) Lp = kbdInterface._DeadKeys[Li].p;
      }

      var Ls = kbdInterface.context(Lp, Lp, Pelem);
      Lt = keymanweb._DebugDepth + ' &nbsp; Context='+Ls+'<br>';

      for(Li = 0; Li < kbdInterface._DeadKeys.length; Li++)
      {
        Lt = Lt + keymanweb._DebugDepth + ' &nbsp; dk['+Li+'] = {pos: '+kbdInterface._DeadKeys[Li].p+', deadKey: '+kbdInterface._DeadKeys[Li].d+'}<br>';
      }
      _Debug(Ps + '<br>'+Lt);
  */
    }
  })();

  window['_Debug']         = _Debug;
  window['_DebugEnter']    = _DebugEnter;
  window['_DebugExit']     = _DebugExit;
  window['_DebugDeadKeys'] = _DebugDeadKeys;

  /*----------------------------------------------------------------------------------------------------*/
  /*__ENDDEBUG__*/
}