(function(global) {
    var LiteGraph = global.LiteGraph;

    function Selector() {
        this.addInput("sel", "number");
        this.addInput("A");
        this.addInput("B");
        this.addInput("C");
        this.addInput("D");
        this.addOutput("out");

        this.selected = 0;
    }

    Selector.title = "Selector";
    Selector.desc = "selects an output";

    Selector.prototype.onDrawBackground = function(ctx) {
        if (this.flags.collapsed) {
            return;
        }
        ctx.fillStyle = "#AFB";
        var y = (this.selected + 1) * LiteGraph.NODE_SLOT_HEIGHT + 6;
        ctx.beginPath();
        ctx.moveTo(50, y);
        ctx.lineTo(50, y + LiteGraph.NODE_SLOT_HEIGHT);
        ctx.lineTo(34, y + LiteGraph.NODE_SLOT_HEIGHT * 0.5);
        ctx.fill();
    };

    Selector.prototype.onExecute = function() {
        var sel = this.getInputData(0);
        if (sel == null || sel.constructor !== Number)
            sel = 0;
        this.selected = sel = Math.round(sel) % (this.inputs.length - 1);
        var v = this.getInputData(sel + 1);
        if (v !== undefined) {
            this.setOutputData(0, v);
        }
    };

    Selector.prototype.onGetInputs = function() {
        return [["E", 0], ["F", 0], ["G", 0], ["H", 0]];
    };

    LiteGraph.registerNodeType("logic/selector", Selector);

    function Sequence() {
        this.properties = {
            sequence: "A,B,C"
        };
        this.addInput("index", "number");
        this.addInput("seq");
        this.addOutput("out");

        this.index = 0;
        this.values = this.properties.sequence.split(",");
    }

    Sequence.title = "Sequence";
    Sequence.desc = "select one element from a sequence from a string";

    Sequence.prototype.onPropertyChanged = function(name, value) {
        if (name == "sequence") {
            this.values = value.split(",");
        }
    };

    Sequence.prototype.onExecute = function() {
        var seq = this.getInputData(1);
        if (seq && seq != this.current_sequence) {
            this.values = seq.split(",");
            this.current_sequence = seq;
        }
        var index = this.getInputData(0);
        if (index == null) {
            index = 0;
        }
        this.index = index = Math.round(index) % this.values.length;

        this.setOutputData(0, this.values[index]);
    };

    LiteGraph.registerNodeType("logic/sequence", Sequence);
})(this);