/**
* Ubiquity Command to interact with a TiddlyWiki
*
* contact@garyhodgson.com
*/

var TiddlyUbiquity  = {};
TiddlyUbiquity.SETUP_WARNING = "Warning: You must supply the URL of your TiddlyWiki. Please use tiddlywiki-setup.";
TiddlyUbiquity.NO_URL_MSG = "No TiddlyWiki URL found. Please use tiddlywiki-setup.";
                        
CmdUtils.CreateCommand({
  name: "tw-config",
  description: "Sets the URL of your TiddlyWiki.",
    author: {
        name: "Gary Hodgson",
        homepage: "http://www.garyhodgson.com/",
        email: "contact@garyhodgson.com"
  },
  license: "MPL",
  icon: "http://www.google.com/s2/favicons?domain=www.tiddlywiki.com",
  help: "Setting the URL allows you use the search, create and open functions. If the TiddlyWiki is open in a tab you can select it from the suggestions list.",
  takes: {"url": noun_arb_text},
  modifiers: {"on": noun_type_tab},
  preview: function( previewBlock, url, mods ) {
    
        var subs = new Object();
        var ptemplate = "Sets the TiddlyWiki URL to ${url}<br><br>Current value:<br><font size=2>${current}</font>";
        subs.url = mods.on.summary || url.summary || '';
        subs.current = Application.prefs.getValue("TIDDLYUBIQUITY_URL", "");
   
        previewBlock.innerHTML =CmdUtils.renderTemplate(ptemplate, subs );
  },
  execute: function( url, mods) {
    if ((!mods.on.text) && (!url.text || url.text.length < 1)) {
        displayMessage("No URL given, or tab selected.");
        return;    
    }        

    if (mods.on.text){
        var tabName = mods.on.text;
                var tabs = noun_type_tab.getTabs();
        Application.prefs.setValue("TIDDLYUBIQUITY_URL", tabs[tabName].uri.spec);
    } else {
        Application.prefs.setValue("TIDDLYUBIQUITY_URL", url.text);
    }

    displayMessage("TiddlyWiki URL set to: " + Application.prefs.getValue("TIDDLYUBIQUITY_URL", "Error Setting URL."));
    return;
  }
});
    
CmdUtils.CreateCommand({
  name: "tw-new",
  description: "Creates a new Tiddler.",
  author: {
        name: "Gary Hodgson",
        homepage: "http://www.garyhodgson.com/",
        email: "contact@garyhodgson.com"
  },
  license: "MPL",
  icon: "http://www.google.com/s2/favicons?domain=www.tiddlywiki.com",    
  help: "Allows you to create Tiddlers in your TiddlyWiki.",
  takes: {"name": noun_arb_text},
  preview: function( previewBlock, name, mods ) {
    var name = name.text || 'NewTiddler';
    var subs = {name: name};

    if (!Application.prefs.has("TIDDLYUBIQUITY_URL")){
       msg = TiddlyUbiquity.SETUP_WARNING;
    } else {
        msg = "Creates a new Tiddler called ${name}."
    }
    previewBlock.innerHTML = CmdUtils.renderTemplate( msg, subs );
  },
  execute: function( name, mods) {
    if (!Application.prefs.has("TIDDLYUBIQUITY_URL")){
       displayMessage(TiddlyUbiquity.NO_URL_MSG);
       return;
    }    
    var name = name.text || 'NewTiddler';

    var h=Application.prefs.getValue("TIDDLYUBIQUITY_URL", "");
    var p='/#newTiddler:\"' + encodeURIComponent(name)+'\"';
    TiddlyUbiquity.openTiddlyWiki(h,p);
  }
});

CmdUtils.CreateCommand({
  name: "tw-search",
  description: "Performs a TiddlyWiki search.",
    author: {
        name: "Gary Hodgson",
        homepage: "http://www.garyhodgson.com/",
        email: "contact@garyhodgson.com"
  },
  license: "MPL",
  icon: "http://www.google.com/s2/favicons?domain=www.tiddlywiki.com",
  help: "Allows you to search for a Tiddler in your TiddlyWiki.",
  takes: {"name": noun_arb_text},
  preview: function( previewBlock, name, mods ) {
      
      //TODO - add live search functionality
      
    var name = name.text || '';
    var subs = {name: name};

    if (!Application.prefs.has("TIDDLYUBIQUITY_URL")){
       msg = TiddlyUbiquity.SETUP_WARNING;
    } else {
        msg = "Searches for Tiddlers containing : ${name}."
    }
    previewBlock.innerHTML = CmdUtils.renderTemplate( msg, subs );
  },
  execute: function( name, mods) {
    if (!Application.prefs.has("TIDDLYUBIQUITY_URL")){
       displayMessage(TiddlyUbiquity.NO_URL_MSG);
       return;
    }    
    
    if (!name.text || name.text.length < 1) {
        displayMessage("No name given.");
        return;    
    }
    
    var h=Application.prefs.getValue("TIDDLYUBIQUITY_URL", "");
    var p='/#search:\"' + encodeURIComponent(name.text)+'\"';
    TiddlyUbiquity.openTiddlyWiki(h,p);
  }
});

CmdUtils.CreateCommand({
  name: "tw-open",
  description: "Opens a TiddlyWiki.",
    author: {
        name: "Gary Hodgson",
        homepage: "http://www.garyhodgson.com/",
        email: "contact@garyhodgson.com"
  },
  license: "MPL",
  icon: "http://www.google.com/s2/favicons?domain=www.tiddlywiki.com",
  help: "Allows you to open a Tiddler in your TiddlyWiki.",
  takes: {"name": noun_arb_text},
  preview: function( previewBlock, name, mods ) {
      
    var name = name.text || '';
    var subs = {name: name};

    if (!Application.prefs.has("TIDDLYUBIQUITY_URL")){
       msg = TiddlyUbiquity.SETUP_WARNING;
    } else {
        msg = "Opens a Tiddler matching ${name}."
    }
    previewBlock.innerHTML = CmdUtils.renderTemplate( msg, subs );
  },
  execute: function( name, mods) {
    if (!Application.prefs.has("TIDDLYUBIQUITY_URL")){
       displayMessage(TiddlyUbiquity.NO_URL_MSG);
       return;
    }    
    
    if (!name.text || name.text.length < 1) {
        displayMessage("No name given.");
        return;    
    }
        
    var h=Application.prefs.getValue("TIDDLYUBIQUITY_URL", "");
    var p='/#open:\"' + encodeURIComponent(name.text)+'\"';    

    TiddlyUbiquity.openTiddlyWiki(h,p);
    
  }
});

                    
var noun_type_tab = {
  _name: "tab name",

  // Returns all tabs from all windows.
  getTabs: function(){
    var tabs = {};

    for( var j=0; j < Application.windows.length; j++ ) {
      var window = Application.windows[j];
      for (var i = 0; i < window.tabs.length; i++) {
        var tab = window.tabs[i];
        tabs[tab.document.title] = tab;
      }
    }

    return tabs;
  },

  suggest: function( text, html ) {
    
    var suggestions  = [];
    var tabs = noun_type_tab.getTabs();

    //TODO: implement a better match algorithm
    for ( var tabName in tabs ) {
      if (tabName.match(text, "i"))
     suggestions.push( CmdUtils.makeSugg(tabName) );
    }

    // Return a list of input objects, limited to at most five:
    return suggestions.splice(0, 5);
  }
}

TiddlyUbiquity.openTiddlyWiki = function(host, path){
    
    var tabs = noun_type_tab.getTabs();
    
    for (var tabName in tabs){
        if (tabs[tabName].uri.spec.match(host)){         

            var ios = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);

            if (ios){
                tabs[tabName].load(ios.newURI(host+path, null, null));
                tabs[tabName]._window.focus();
                tabs[tabName].focus();
                if (tabs[tabName].uri.spec.length > host.length) {
                    // modified URL, so force page reload
                    tabs[tabName]._window.BrowserReload(); 
                }
                return;
            }
        }
    }

    Utils.openUrlInBrowser(host+path);
}