CmdUtils.CreateCommand({
  names: ["tweetviz", "viz"],
  homepage: "http://www.tweetviz.com/",
  author: {name: "Damian Keeghan", email: "dkeeghan@gmail.com"},
  license: "GPL",
  description: "Open the selected search term in the TweetViz Twitter Visualiser",
  help: "Open a TweetViz search using the selected search term and visualiser type. You can search for a standard string, or can use any of the Twitter aliases, including: from:username, to:username, @username and #hastags. You can also link search terms together using OR or AND.",
  arguments: [{role: "object",
  			   nountype: noun_arb_text,
               label: "Search Term"},
              {role: "format",
               nountype: ["list", "zoom"],
               label: "Visualiser Mode"}],
  _checkFormat: function(formatText){
  	if(formatText.toLowerCase()=="list"){
    	return "list";
    } else if(formatText.toLowerCase()=="zoom"){
    	return "zoom";
    } else {
    	return "list";
    }
  },
  preview: function(pblock, arguments) {
    var msg = "<p>You are searching TweetViz for '<strong>${search_text}</strong>' using the '<strong>${visualiser_type}</strong>' visualiser. (Valid visualisers are 'zoom' and 'list')</p><p>You can use all of the standard twitter search aliases, including:</p><ul><li>from:username</li><li>to:username</li><li>@username</li><li>#hashtag</li></ul><p>Or you can search for any standard string.</p><p>Search terms can be linked together using OR or AND.</p>";

    pblock.innerHTML = _(msg, {search_text: arguments.object.text, visualiser_type: this._checkFormat(arguments.format.text)});
  },
  execute: function(arguments) {
  	var url = "http://www.tweetviz.com/#/"+escape(this._checkFormat(arguments.format.text))+"/"+escape(arguments.object.text);
    
    Utils.openUrlInBrowser(url);
    CmdUtils.setLastResult(url);
  }
});