CY = null;
gPrefs = null;
gLayout = null;
gDb = null;
gIComments = null;
gSync = null;
gGETValues = null;

gConf = {'iCommentLeftPadding':4, 
    'iCommentThreadPadding':12,
        'defaultCommentFormat':'markdown',
        'sliderFixedMin':.9,
        'sliderFixedMax':.1,
        'iCommentsInitAlloc':2,
        'defaultPrefs':{'text':{'style':'text-modern-style'}, 'user' : {'name' : '','email' : ''},'general': {'animduration' : '0.4'},'comments': {'threadpad' : '1'},'layout': {'comments_col_width' : '25'  /* out of 100 */}}
};

//available text styles in c-text-styles.css
//classname(key) : will be added to #textcontainer, name(value) : the name to display in style dropdown choice"
gTextStyles = {'modern':gettext('modern'), 'classic':gettext('classic'), 'code':gettext('code')};

YUI( {
  base :sv_media_url + "/js/lib/yui/" + c_yui_base + "/build/",
  // filter: '{% if CLIENT_DEBUG %}debug{% else %}raw{% endif %}',
  // filter :'raw',
  timeout :10000
}).use(
      "text-modern-style",
    "cookie",
    "json",
    "overlay",
    "io-form",
    "async-queue",
    "event-mouseenter",   
    "anim",
    "collection",
    function(Y) {
          CY = Y;
          
            gPrefs = new Preferences() ;
            gPrefs.init() ;
            
            gLayout = new Layout() ;
            gLayout.init() ;

        if (sv_withComments) {
              gDb = new Db() ;
              gDb.init() ;
              
              gIComments = new IComments() ;                            
              gIComments.init() ;
        }

            gSync = new Sync() ;
            gSync.init() ;

      CY.on("domready", onDomReady, this); 

    });

_reinit = function(filterRes) {
  gIComments.hide();
  gDb.initComments(filterRes['commentIds']);

  unpaintAllComments();
  renderCommentScopes();
  
  updateFilterResultsCount(filterRes['nbDiscussions'], filterRes['nbComments'], filterRes['nbReplies']);
};

reinit = function(filterGETValues) {
  var filterRes = gDb.computeFilterResults(filterGETValues);
  _reinit(filterRes);
};

hideAll = function() {
  _reinit({'commentIds':[],'nbDiscussions':0, 'nbComments':0, 'nbReplies':0});
};

updateFilterResultsCount = function(nbDiscussions, nbComments, nbReplies) {
  var r = gDb.getCommentsAndRepliesCounts(true);
  var nbAllComments = r[0], nbAllReplies = r[1];
  var detailedResults = (nbComments != 0 || nbReplies != 0) && (nbAllComments != nbComments || nbAllReplies != nbReplies) ;
  if (gLayout.isInFrame()) {
    parent.f_updateFilterCountDetailed(detailedResults) ;
    parent.f_updateFilterCountResult(nbDiscussions, nbComments, nbReplies, nbAllComments, nbAllReplies);
  }
};

updateResetFilterResultsCount = function() {
  var counts = gDb.getCommentsAndRepliesCounts(false)
  var nbComments = counts[0], nbReplies = counts[1];

  var nbDiscussions = nbComments;
  updateFilterResultsCount(nbDiscussions, nbComments, nbReplies);
};

// TODO MOVE
renderCommentScopes = function() {
  for (var i = 0 ; i < gDb.comments.length ; i++) {
    var comment = gDb.comments[i] ;
    paintCommentScope(comment) ;
  }
} ;

onTextMouseUp = function(e) {
  if (readyForAction()) {
    var selection = getSelectionInfo() ;
    if (selection != null) {
      updateICommentFormSelection(selection) ;
      if (gEditICommentHost != null) {
        var modifyScope = CY.get("#"+gEdit['ids']['changeScopeInputId']+" input").get('checked') ;
        if (modifyScope) {
          gEditICommentHost.scrollIntoView() ;
        }
      }
    }
    else {
      var node = e.target ;
      if (node.hasClass('c-c')) {
        var elt = CY.Node.getDOMNode(node) ;
        var commentIds = getCommentIdsFromClasses(elt) ;
        if (commentIds.length > 0) {
          checkForOpenedDialog(null, function() { // will only check for reply
            gSync.showComments(commentIds, [e.pageX, e.pageY], false) ;
          }) ;
        }
      } 
    }
//// FIRST UPDATE SELECTION IF ANY AND SCROLL TO EDITION IF ANY   
//    if (isICommentFormVisible() || gEditICommentHost != null) {
//      CY.log(selection) ;
//      updateICommentFormSelection(selection) ;
//      
//      if (gEditICommentHost != null) {
//        var modifyScope = CY.get("#"+gEdit['ids']['changeScopeInputId']+" input").get('checked') ;
//        if (modifyScope) {
//          gEditICommentHost.scrollIntoView() ;
//          didSomething = true ;
//        }
//      }
//      if (isICommentFormVisible())
//      didSomething = true ;
//    }
//    else {
//      checkForOpenedDialog(null, function() { // will only check for reply
//          var node = e.target ;
//          if (node.hasClass('c-c')) {
//            var elt = CY.Node.getDOMNode(node) ;
//            var commentIds = getCommentIdsFromClasses(elt) ;
//            if (commentIds.length > 0) {
//              //hideOverlay(gICommentForm) ;
//              // gIComments.hide() ;20080814 moved it to gSync._showComments
//              gSync.showComments(commentIds, [e.pageX, e.pageY]) ;
//            }
//          }
//        }) ;
//    }
  }
} ;

gLastScrollTime = null ;
checkForAlignement = function () {
  var now = (new Date()).getTime() ;
  if ((gLastScrollTime != null) && (now - gLastScrollTime) > 200) {
    positionICommentForm() ;      
    gLastScrollTime = null ;
  }
};

onFrameScroll = function () {
  gLastScrollTime = (new Date()).getTime() ;
};

browse = function(order, whereto) {
  gSync.browse(order, whereto) ; 
};

initialConnect = function() {
  CY.on("mouseup", onTextMouseUp, "#textcontainer");
  gTimer = CY.Lang.later(200, this, checkForAlignement, [], true) ;
  CY.on('scroll', onFrameScroll, window, this, true);
  CY.on('resize', onFrameScroll, window, this, true);
};

preventLinksInText = function() {
  var interceptLink = function(e) {
    var a = e.target;
    var href = null;
    while (a != null && href == null) {
      a = a.get('parentNode');
      href = a.get("href");
    }
    
    if (a != null && href != null) {
      //alert(window.location) ;
      var clean_window_location = window.location.href ;
      
      var ind = clean_window_location.indexOf('#') ;
      if (ind != -1)
        clean_window_location = clean_window_location.substring(0, ind) ;
      
      if (href.indexOf(clean_window_location) == -1 ) {
        window.open(a.get("href"));
        e.preventDefault(); ;
      }
    }
  } ;

  CY.all("#textcontainer a").on("click", interceptLink);
};

onDomReady = function(arg1) {
  preventLinksInText();
  var q1 = new CY.AsyncQueue(); //  
  // doesn't behave like the doc says :
  // no timeout -> seems in blocking mode
  q1.add( {
    fn : function() {

      if (gLayout.isInComentSite()) {
        parent.toInitialSize();
      }
      if (sv_withComments) {
        instanciateICommentForm();
      }
      instanciateToc();
    },
    timeout :5
  }, {
    fn : function() {

      gGETValues = CY.JSON.parse(sv_get_params);
      
      CY.get('#maincontainer').setStyle('display', 'block');
      CY.get('#textcontainer').setStyle('display', 'block');
      
      var val = (sv_withComments) ? gPrefs.get('layout','comments_col_width') : 0 ; 
      var colWidth = sliderValToPx(val) ;
      gLayout.setLeftColumnWidth(colWidth) ;
      
      if (gLayout.isInFrame()) {
        parent.f_initFrame();
        parent.f_layoutFrames();

        if (sv_withComments) {
          parent.f_fillTopToolbar() ;
          if (hasPerm("can_create_comment"))    
            parent.$("#add_comment_btn").removeClass('initially_hidden');
          //parent.enqueueLoadingMsg(); // no more loading message ? TODO
          
          parent.f_fillFilterTab() ;
          parent.f_fillPreferencesTab() ;
          
//          parent.f_fillBrowseSection() ;
          
          var firstTimeFilterData = CY.JSON.parse(sv_filter_data);
          parent.f_updateFilterData(firstTimeFilterData);
          
          parent.f_setFilterValue(gGETValues) ;         
        }
        parent.f_fillTextPreferencesTab() ;
      }
      
      if (gLayout.isInComentSite()) 
        parent.$("#c_fullscreen_btn").show();
      else {
        parent.$("#c_fullscreen_btn").hide();
      }

      if (gToc['empty'])
        parent.$("#c_toc_btn").hide();

    },
    timeout :5
  }, {
    fn : function() {
      if (sv_withComments) {
        
        reinit(gGETValues);
        initialConnect();
      }
    },
    timeout :5
  }, {
    fn : function() {
      if (gLayout.isInFrame()) {
        parent.f_interfaceUnfreeze() ;
        parent.f_removeLoadingMsg();
      }
      // if there is a comment id in the url display it
      if ("comment_id_key" in gGETValues) {
        var id_key = gGETValues["comment_id_key"] ;
        var comment = gDb.getCommentByIdKey(id_key) ;
        if (comment != null) {
          var path = gDb.getPath(comment) ;
          var topParentComment = path[path.length - 1] ;
          var focusComment = gDb.getCommentByIdKey(id_key);
          // if comment_op=reply, show reply form
          if ("comment_op" in gGETValues && gGETValues["comment_op"] == 'reply') {
            gSync.showFocusSingleComment(topParentComment, focusComment, true) ;
          }
          else {
            gSync.showFocusSingleComment(topParentComment, focusComment, false) ;
          }
        }
      }

      // if comment_auto_display: show all comments
      if ("comments_auto_display" in gGETValues) {
        gSync.showAllComments();
      }
      
//      else {
//      gSync.showAllComments() ;// show all
//      }
    }
  });
  q1.run();
};