'use strict';

function dispatchersController($scope, ActorSystemMetrics) {

  $scope.actorSystemMetrics = [];

  $scope.startPolling = function() {
      setInterval(function() {
          $scope.getActorSystemMetrics()
      }, 3000);
  }

  $scope.getActorSystemMetrics = function() {
    var actorSystemMetrics = ActorSystemMetrics.query(function() {
      $scope.actorSystemMetrics = actorSystemMetrics;
    });
  }
}

function messageController($scope) {

    $scope.startMessagePolling = function() {

        Highcharts.setOptions({global: { useUTC: false }});

        var chart;

        $('#liveramdomdata').highcharts({
            chart: {
                type: 'spline',
                animation: Highcharts.svg, // don't animate in old IE
                marginRight: 10,
                events: {
                    load: function () {
                        // set up the updating of the chart each second
                        var series = this.series[0];
                        setInterval(function () {
                            $.get("/metrics/messages", function (data) {
                                var x = (new Date()).getTime(), // current time
                                    y = data.messages;
                                series.addPoint([x, y], true, true);
                            }, "json");

                        }, 1000);
                    }
                }
            },
            title: {
                text: 'Messages'
            },
            xAxis: {
                type: 'datetime',
                tickPixelInterval: 150
            },
            yAxis: {
                title: {
                    text: 'Value'
                },
                plotLines: [
                    {
                        value: 0,
                        width: 1,
                        color: '#808080'
                    }
                ]
            },
            tooltip: {
                formatter: function () {
                    return '<b>' + this.series.name + '</b><br/>' +
                        Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) + '<br/>' +
                        Highcharts.numberFormat(this.y, 2);
                }
            },
            legend: {
                enabled: false
            },
            exporting: {
                enabled: false
            },
            series: [
                {
                    name: 'Messages',
                    data: (function () {
                        // generate an array of random data
                        var data = [],
                            time = (new Date()).getTime(),
                            i;

                        for (i = -19; i <= 0; i++) {
                            data.push({
                                x: time + i * 1000,
                                y: Math.random()
                            });
                        }
                        return data;
                    })()
                }
            ]
        });
    }
}

function actorTreeCtrl($scope) {

    $scope.getActorTree = function() {
        var margin = {top: 20, right: 50, bottom: 20, left: 30},
            width = 400 - margin.right - margin.left,
            height = 370 - margin.top - margin.bottom;

        var i = 0,
            duration = 750,
            root;

        var tree = d3.layout.tree()
            .size([height, width]);

        var diagonal = d3.svg.diagonal()
            .projection(function(d) { return [d.y, d.x]; });

        var svg = d3.select("#tree").append("svg")
            .attr("width", width + margin.right + margin.left)
            .attr("height", height + margin.top + margin.bottom)
            .append("g")
            .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

        d3.json("http://localhost:8080/metrics/actorTree", function(error, flare) {
            root = flare;
            root.x0 = height / 2;
            root.y0 = 0;

    //        function collapse(d) {
    //            if (d.children) {
    //                d._children = d.children;
    //                d._children.forEach(collapse);
    //                d.children = null;
    //            }
    //        }
    //
    //        root.children.forEach(collapse);
            update(root);
        });

        d3.select(self.frameElement).style("height", "400px");

        function update(source) {

            // Compute the new tree layout.
            var nodes = tree.nodes(root).reverse(),
                links = tree.links(nodes);

            // Normalize for fixed-depth.
            nodes.forEach(function(d) { d.y = d.depth * 180; });

            // Update the nodes…
            var node = svg.selectAll("g.node")
                .data(nodes, function(d) { return d.id || (d.id = ++i); });

            // Enter any new nodes at the parent's previous position.
            var nodeEnter = node.enter().append("g")
                .attr("class", "node")
                .attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
                .on("click", click);

            nodeEnter.append("circle")
                .attr("r", 1e-6)
                .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

            nodeEnter.append("text")
                .attr("x", function(d) { return d.children || d._children ? -10 : 10; })
                .attr("dy", ".35em")
                .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
                .text(function(d) { return d.name; })
                .style("fill-opacity", 1e-6);

            // Transition nodes to their new position.
            var nodeUpdate = node.transition()
                .duration(duration)
                .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });

            nodeUpdate.select("circle")
                .attr("r", 4.5)
                .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

            nodeUpdate.select("text")
                .style("fill-opacity", 1);

            // Transition exiting nodes to the parent's new position.
            var nodeExit = node.exit().transition()
                .duration(duration)
                .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
                .remove();

            nodeExit.select("circle")
                .attr("r", 1e-6);

            nodeExit.select("text")
                .style("fill-opacity", 1e-6);

            // Update the links…
            var link = svg.selectAll("path.link")
                .data(links, function(d) { return d.target.id; });

            // Enter any new links at the parent's previous position.
            link.enter().insert("path", "g")
                .attr("class", "link")
                .attr("d", function(d) {
                    var o = {x: source.x0, y: source.y0};
                    return diagonal({source: o, target: o});
                });

            // Transition links to their new position.
            link.transition()
                .duration(duration)
                .attr("d", diagonal);

            // Transition exiting nodes to the parent's new position.
            link.exit().transition()
                .duration(duration)
                .attr("d", function(d) {
                    var o = {x: source.x, y: source.y};
                    return diagonal({source: o, target: o});
                })
                .remove();

            // Stash the old positions for transition.
            nodes.forEach(function(d) {
                d.x0 = d.x;
                d.y0 = d.y;
            });
        }

        // Toggle children on click.
        function click(d) {
            if (d.children) {
                d._children = d.children;
                d.children = null;
            } else {
                d.children = d._children;
                d._children = null;
            }
            update(d);
        }
    }
}