CmdUtils.CreateCommand({
  name: "plurk",
  takes: {status: noun_arb_text},
  
  homepage: "http://theunfocused.net/moz/ubiquity/verbs/",
  author: {name: "Blair McBride", homepage: "http://theunfocused.net/"},
  modifier: {name: "Forte Lin"},
  license: "MPL",
  
  preview: function(previewBlock, statusText) {
    var previewTemplate = "將要發佈的內容如下: <br/>" +       
                          "<b>${status}</b><br /><br />" + 
                          " 總字數為: <b>${chars}</b>";
    var truncateTemplate = "<br />後面 <b>${truncate}</b> " + 
                           "個字將予以刪除!";
    var previewData = {
      status: statusText.text,
      chars: statusText.text.length
    };
      
    var previewHTML = CmdUtils.renderTemplate(previewTemplate,
                                                    previewData);
    
    if(previewData.chars > 140) {
      var truncateData = {
        truncate: previewData.chars - 140
      };
      
      previewHTML += CmdUtils.renderTemplate(truncateTemplate,
                                                   truncateData);
    }
    
    previewBlock.innerHTML = previewHTML;
  },
  
  execute: function(statusText) {
    if(statusText.text.length < 1) {
      displayMessage("Plurk 內容不可空白");
      return;
    }
    
    var updateUrl = "http://www.plurk.com/TimeLine/addPlurk";
    var updateParams = {
      uid: 29912,
      qualifier:"says",
      lang:"en",
      content: statusText.text
    };
    
    jQuery.ajax({
      type: "POST",
      url: updateUrl,
      data: updateParams,
      dataType: "json",
      error: function() {
        displayMessage("Plurk 發佈錯誤");
      },
      success: function() {
        displayMessage("Plurk 發佈成功");
      }
    });
  }
});