/*

Copyright 2010, Google Inc.
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

 * Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
 * Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,           
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY           
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

var OpenRefineVersion;

var Refine = {
  actionAreas: []
};

// Requests a CSRF token and calls the supplied callback
// with the token
Refine.wrapCSRF = function(onCSRF) {
   $.get(
      "command/core/get-csrf-token",
      {},
      function(response) {
         onCSRF(response['token']);
      },
      "json"
   );
};

// Performs a POST request where an additional CSRF token
// is supplied in the POST data. The arguments match those
// of $.post().
Refine.postCSRF = function(url, data, success, dataType, failCallback) {
   return Refine.wrapCSRF(function(token) {
      var fullData = data || {};
      if (typeof fullData == 'string') {
         fullData = fullData + "&" + $.param({csrf_token: token});
      } else {
         fullData['csrf_token'] = token;
      }
      var req = $.post(url, fullData, success, dataType);
      if (failCallback !== undefined) {
         req.fail(failCallback);
      }
   });
};

var lang = (navigator.language|| navigator.userLanguage).split("-")[0];
var dictionary = "";
$.ajax({
	url : "command/core/load-language?",
	type : "POST",
	async : false,
	data : {
	  module : "core",
//		lang : lang
	},
	success : function(data) {
		dictionary = data['dictionary'];
        lang = data['lang'];
	}
});
$.i18n().load(dictionary, lang);
$.i18n({ locale: lang });
// End internationalization

Refine.selectActionArea = function(id) {
  $('.action-area-tab').removeClass('selected');
  $('.action-area-tab-body').css('visibility', 'hidden').css('z-index', '50');

  for (var i = 0; i < Refine.actionAreas.length; i++) {
    var actionArea = Refine.actionAreas[i];
    if (id == actionArea.id) {
      actionArea.tabElmt.addClass('selected');
      actionArea.bodyElmt.css('visibility', 'visible').css('z-index', '55');
    }
  }
};

$(function() {
  var isThereNewRelease = function(thisVer,latestVer) {
    // Assumes Semantic Version numbering format of form X.Y.Z where X, Y, and Z are non-negative integer
    // Ignores any trailing letters e.g. 2.7.1-rc.1 will be interpreted as equivalent to 2.7.1
    if(thisVer == latestVer) {
      return false;
    }
    var thisVerParts = thisVer.split(".");
    var latestVerParts = latestVer.split(".");
    while(thisVerParts.length < 3)
      thisVerParts.push(0);
    while(latestVerParts.length < 3)
      latestVerParts.push(0);

    for(var i=0; i<3; i++) {
      var thisVerPartInt = parseInt(thisVerParts[i],10);
      var latestVerPartInt = parseInt(latestVerParts[i],10);
      if(thisVerPartInt == latestVerPartInt) {
        continue;
      } else {
        return !(thisVerPartInt > latestVerPartInt);
      }
    }
    return false;
  };

  var showVersion = function() {
    $.getJSON(
        "command/core/get-version",
        null,
        function(data) {
          OpenRefineVersion = data;

          $("#openrefine-version").text($.i18n('core-index/version', OpenRefineVersion.full_version));

            $.getJSON("https://api.github.com/repos/openrefine/openrefine/releases/latest",
             function( data ) {
              var latestVersion = data.tag_name;
              var latestVersionName = data.name;
              var latestVersionUrl = data.html_url;
              var thisVersion = OpenRefineVersion.version;

              if(latestVersion.startsWith("v")) {
                latestVersion = latestVersion.substr(1);
              }

              if (isThereNewRelease(thisVersion,latestVersion)) {
                var container = $('<div id="notification-container">')
                .appendTo(document.body);
                var notification = $('<div id="notification">')
                .text($.i18n('core-index/new-version')+' ')
                .appendTo(container);
                $('<a>')
                .addClass('notification-action')
                .attr("href", latestVersionUrl)
                .attr("target", "_blank")
                .text($.i18n('core-index/download-now', latestVersionName))
                .appendTo(notification);
              }
            });
        }
    );
  };

  var resize = function() {
    var leftPanelWidth = 150;
    // px
    var width = $(window).width();
    var height = $(window).height();
    var headerHeight = $('#header').outerHeight();
    var panelHeight = height - headerHeight;

    $('.main-layout-panel')
    .css("top", headerHeight + "px")
    .css("bottom", "0px")
    .css("height", panelHeight + "px")
    .css("visibility", "visible");

    $('#left-panel')
    .css("left", "0px")
    .css("width", leftPanelWidth + "px");
    var leftPanelBodyHPaddings = 10;
    // px
    var leftPanelBodyVPaddings = 0;
    // px
    $('#left-panel-body')
    .css("margin-left", leftPanelBodyHPaddings + "px")
    .css("margin-top", leftPanelBodyVPaddings + "px")
    .css("width", ($('#left-panel').width() - leftPanelBodyHPaddings) + "px")
    .css("height", ($('#left-panel').height() - leftPanelBodyVPaddings) + "px");

    $('#right-panel')
    .css("left", leftPanelWidth + "px")
    .css("width", (width - leftPanelWidth) + "px");

    var rightPanelBodyHPaddings = 5;
    // px
    var rightPanelBodyVPaddings = 5;
    // px
    $('#right-panel-body')
    .css("margin-left", rightPanelBodyHPaddings + "px")
    .css("margin-top", rightPanelBodyVPaddings + "px")
    .css("width", ($('#right-panel').width() - rightPanelBodyHPaddings) + "px")
    .css("height", ($('#right-panel').height() - rightPanelBodyVPaddings) + "px");
    
    for (var i = 0; i < Refine.actionAreas.length; i++) {
      Refine.actionAreas[i].ui.resize();
    }
  };
  $(window).bind("resize", resize);
  window.setTimeout(resize, 100); // for Chrome, give the window some time to layout first

  var renderActionArea = function(actionArea) {
    actionArea.bodyElmt = $('<div>')
    .addClass('action-area-tab-body')
    .appendTo('#right-panel-body');

    actionArea.tabElmt = $('<li>')
    .addClass('action-area-tab')
    .text(actionArea.label)
    .appendTo($('#action-area-tabs'))
    .click(function() {
      Refine.selectActionArea(actionArea.id);
    });

    actionArea.ui = new actionArea.uiClass(actionArea.bodyElmt);
  };

  for (var i = 0; i < Refine.actionAreas.length; i++) {
    renderActionArea(Refine.actionAreas[i]);
  }
  Refine.selectActionArea('create-project');
  
  $("#slogan").text($.i18n('core-index/slogan')+".");
  $("#or-index-pref").text($.i18n('core-index/preferences'));
  $("#or-index-help").text($.i18n('core-index/help'));
  $("#or-index-about").text($.i18n('core-index/about'));
  $("#or-index-noProj").text($.i18n('core-index/no-proj')+".");
  $("#or-index-try").text($.i18n('core-index/try-these'));
  $("#or-index-sample").text($.i18n('core-index/sample-data'));

  showVersion();
});