var load, rename_box, confirm_box;

document.addEvent("domready", function() {
    load = new Fx.Tween($("load-indicator"), {link: "cancel"});
    load.set("opacity", 0);

    rename_box = new Fx.Tween($('rename_box'));
    confirm_box = new Fx.Tween($('confirm_box'));
    $('rename_reset').addEvent('click', function() {
        hide_rename_box()
    });
    $('delete_reset').addEvent('click', function() {
        hide_confirm_box()
    });

    /*$('filemanager_actions_list').getChildren("li").each(function(action) {
      var action_name = action.className;
      if(functions[action.className] != undefined)
      {
    action.addEvent('click', functions[action.className]);
      }
    });*/
});

function indicateLoad() {
    //$("load-indicator").reveal();
    load.start("opacity", 1)
}

function indicateFinish() {
    load.start("opacity", 0)
}

function indicateSuccess() {
    indicateFinish();
    notify.alert('{{_("Success")}}.', {
             'className': 'success'
    });
}

function indicateFail() {
    indicateFinish();
    notify.alert('{{_("Failed")}}.', {
             'className': 'error'
    });
}

function show_rename_box() {
    bg_show();
    $("rename_box").setStyle('display', 'block');
    rename_box.start('opacity', 1)
}

function hide_rename_box() {
    bg_hide();
    rename_box.start('opacity', 0).chain(function() {
        $('rename_box').setStyle('display', 'none');
    });
}

function show_confirm_box() {
    bg_show();
    $("confirm_box").setStyle('display', 'block');
    confirm_box.start('opacity', 1)
}

function hide_confirm_box() {
    bg_hide();
    confirm_box.start('opacity', 0).chain(function() {
        $('confirm_box').setStyle('display', 'none');
    });
}

var FilemanagerUI = new Class({
    initialize: function(url, type) {
        this.url = url;
        this.type = type;
        this.directories = [];
    this.files = [];
        this.parseChildren();
    },

    parseChildren: function() {
        $("directories-list").getChildren("li.folder").each(function(ele) {
            var path = ele.getElements("input.path")[0].get("value");
            var name = ele.getElements("input.name")[0].get("value");
            this.directories.push(new Item(this, path, name, ele))
        }.bind(this));
    
    $("directories-list").getChildren("li.file").each(function(ele) {
            var path = ele.getElements("input.path")[0].get("value");
            var name = ele.getElements("input.name")[0].get("value");
            this.files.push(new Item(this, path, name, ele))
        }.bind(this));
    }
});

var Item = new Class({
    initialize: function(ui, path, name, ele) {
        this.ui = ui;
    this.path = path;
    this.name = name;
        this.ele = ele;
    this.directories = [];
    this.files = [];
    this.actions = new Array();
    this.actions["delete"] = this.del;
    this.actions["rename"] = this.rename;
    this.actions["mkdir"] = this.mkdir;
        this.parseElement();

        var pname = this.ele.getElements("span")[0];
        this.buttons = new Fx.Tween(this.ele.getElements(".buttons")[0], {link: "cancel"});
        this.buttons.set("opacity", 0);

        pname.addEvent("mouseenter", function(e) {
            this.buttons.start("opacity", 1)
        }.bind(this));

        pname.addEvent("mouseleave", function(e) {
            this.buttons.start("opacity", 0)
        }.bind(this));

    },

    parseElement: function() {
        this.ele.getChildren('span span.buttons img').each(function(img) {
      img.addEvent('click', this.actions[img.className].bind(this));
    }, this);

    //click on the directory name must open the directory itself
    this.ele.getElements('b')[0].addEvent('click', this.toggle.bind(this));
    
    //iterate over child directories
    var uls = this.ele.getElements('ul');
    if(uls.length > 0)
    {
      uls[0].getChildren("li.folder").each(function(fld) {
        var path = fld.getElements("input.path")[0].get("value");
        var name = fld.getElements("input.name")[0].get("value");
        this.directories.push(new Item(this, path, name, fld));
      }.bind(this));
      uls[0].getChildren("li.file").each(function(fld) {
        var path = fld.getElements("input.path")[0].get("value");
        var name = fld.getElements("input.name")[0].get("value");
        this.files.push(new Item(this, path, name, fld));
      }.bind(this));
    }
    },

    reorderElements: function() {
      //TODO sort the main ul again (to keep data ordered after renaming something)
    },

    del: function(event) {
        $("confirm_form").removeEvents("submit");
        $("confirm_form").addEvent("submit", this.deleteDirectory.bind(this));

    $$("#confirm_form p").set('html', '{{_(("Are you sure you want to delete the selected item?"))}}');
    
        show_confirm_box();
        event.stop();
    },

    deleteDirectory: function(event) {
        hide_confirm_box();
    new Request.JSON({
            method: 'POST',
            url: "/json/filemanager/delete",
        data: {'path': this.path, 'name': this.name},
            onSuccess: function(data) {
        if(data.response == "success")
        {
          new Fx.Tween(this.ele).start('opacity', 0);
          var ul = this.ele.parentNode;
          this.ele.dispose();
          //if this was the only child, add a "empty folder" div
          if(!ul.getChildren('li')[0])
          {
            var div = new Element("div", { 'html': '{{ _("Folder is empty") }}' });
            div.replaces(ul);
          }

          indicateSuccess();
        } else
        {
          //error from json code...
          indicateFail();
        }
            }.bind(this),
            onFailure: indicateFail
        }).send();
    
        event.stop();
    },

    rename: function(event) {
        $("rename_form").removeEvents("submit");
        $("rename_form").addEvent("submit", this.renameDirectory.bind(this));

    $("path").set("value", this.path);
        $("old_name").set("value", this.name);
        $("new_name").set("value", this.name);

        show_rename_box();
        event.stop();
    },

    renameDirectory: function(event) {
        hide_rename_box();
    new Request.JSON({
            method: 'POST',
            url: "/json/filemanager/rename",
            onSuccess: function(data) {
        if(data.response == "success")
        {
          this.name = $("new_name").get("value");
          this.ele.getElements("b")[0].set('html', $("new_name").get("value"));
          this.reorderElements();
          indicateSuccess();
        } else
        {
          //error from json code...
          indicateFail();
        }
            }.bind(this),
            onFailure: indicateFail
        }).send($("rename_form").toQueryString());
    
        event.stop();
    },

    mkdir: function(event) {
      new Request.JSON({
      method: 'POST',
      url: "/json/filemanager/mkdir",
      data: {'path': this.path + "/" + this.name, 'name': '{{_("New folder")}}'},
      onSuccess: function(data) {
          if(data.response == "success")
          {
        new Request.HTML({
            method: 'POST',
            url: "/filemanager/get_dir",
            data: {'path': data.path, 'name': data.name},
            onSuccess: function(li) {
            //add node as first child of ul
            var ul = this.ele.getChildren('ul')[0];
            if(!ul)
            {
              //remove the "Folder Empty" div
              this.ele.getChildren('div').dispose();

              //create new ul to contain subfolder
              ul = new Element("ul");
              ul.inject(this.ele, 'bottom');
            }
            li[0].inject(ul, 'top');
            
            //add directory as a subdirectory of the current item
            this.directories.push(new Item(this.ui, data.path, data.name, ul.firstChild));
            }.bind(this),
            onFailure: indicateFail
        }).send();
        indicateSuccess();
          } else
          {
        //error from json code...
        indicateFail();
          }
      }.bind(this),
      onFailure: indicateFail
      }).send();

      event.stop();
    },

    toggle: function() {
        var child = this.ele.getElement('ul');
    if(child == null)
      child = this.ele.getElement('div');
    
    if(child != null)
    {
      if (child.getStyle('display') == "block") {
          child.dissolve();
      } else {
          child.reveal();
      }
    }
    }
});