/* Saves the Full JSON once */

Rkns.jsonIOSaveOnClick = function(_renkan, _opts) {

    var _proj = _renkan.project,

        _saveWarn = false,

        _onLeave = function() {

            return "Project not saved";

        };

    if (typeof _opts.http_method === "undefined") {

        _opts.http_method = 'POST';

    }

    var _load = function() {

        var getdata = {},

            rx = /id=([^&#?=]+)/,

            matches = document.location.hash.match(rx);

        if (matches) {

            getdata.id = matches[1];

        }

        Rkns.$.ajax({

            url: _opts.url,

            data: getdata,

            beforeSend: function(){

            	_proj.set({loadingStatus:true});

            },

            success: function(_data) {

                _renkan.dataloader.load(_data);

                _proj.set({loadingStatus:false});

                _proj.set({saveStatus:0});

                _renkan.renderer.autoScale();

            }

        });

    };

    var _save = function() {

        _proj.set("saved_at", new Date());

        var _data = _proj.toJSON();

        Rkns.$.ajax({

            type: _opts.http_method,

            url: _opts.url,

            contentType: "application/json",

            data: JSON.stringify(_data),

            beforeSend: function(){

            	_proj.set({saveStatus:2});

            },

            success: function(data, textStatus, jqXHR) {

                $(window).off("beforeunload", _onLeave);

                _saveWarn = false;

                _proj.set({saveStatus:0});

                //document.location.hash = "#id=" + data.id;

                //$(".Rk-Notifications").text("Saved as "+document.location.href).fadeIn().delay(2000).fadeOut();

            }

        });

    };

    var _checkLeave = function() {

    	_proj.set({saveStatus:1});

        var title = _proj.get("title");

        if (title && _proj.get("nodes").length) {

            $(".Rk-Save-Button").removeClass("disabled");

        } else {

            $(".Rk-Save-Button").addClass("disabled");

        }

        if (title) {

            $(".Rk-PadTitle").css("border-color","#333333");

        }

        if (!_saveWarn) {

            _saveWarn = true;

            $(window).on("beforeunload", _onLeave);

        }

    };

    _load();

    _proj.on("add:nodes add:edges add:users change", function(_model) {

	    _model.on("change remove", function(_model) {

	    	if(!(_model.changedAttributes.length === 1 && _model.hasChanged('saveStatus'))) {

	    		_checkLeave();

	    	}

	    });

		if(!(_proj.changedAttributes.length === 1 && _proj.hasChanged('saveStatus'))) {

		    _checkLeave();

    	}

    });

    _renkan.renderer.save = function() {

        if ($(".Rk-Save-Button").hasClass("disabled")) {

            if (!_proj.get("title")) {

                $(".Rk-PadTitle").css("border-color","#ff0000");

            }

        } else {

            _save();

        }

    };

};