(function(){



var series = [{"name":"1997", "y": 21.0 },{"name":"1998", "y": 22.0 },{"name":"1999", "y": 26.0 },{"name":"2000", "y": 28.0 },{"name":"2001", "y": 29.0 },{"name":"2002", "y": 26.0 },{"name":"2003", "y": 21.0 },{"name":"2004", "y": 22.0 },{"name":"2005", "y": 24.0 },{"name":"2006", "y": 27.0 },{"name":"2007", "y": 29.0 },{"name":"2008", "y": 14.0 },{"name":"2009", "y": 25.0 },{"name":"2010", "y": 12.0 },{"name":"2011", "y": 24.0 },{"name":"2012", "y": 29.0 },]

var description = {"title":"COE UKM5 CJ: Electrical equipment Raw Workplace total £m                ","contact":{"email":"trevor.fenton@ons.gov.uk ","name":"Trevor Fenton","telephone":"+44 (0)1633 456083"},"releaseDate":"2014-12-10T00:00:00.000Z","nextRelease":"09 December 2015","datasetId":"RAGV","datasetUri":"/economy/grossvalueaddedgva/datasets/regionalgrossvalueadded","cdid":"MH7L","unit":"m","preUnit":"£","source":"","date":"2012","number":"29","sampleSize":"0"};
var linechart = {
   chart: {
     type: 'line',
     marginRight: 16,
    
    events: {
        load: function () {
            var chart = this,
                yAxis = chart.yAxis[0],
                tp = yAxis.tickPositions,
                firstLabel = yAxis.ticks[tp[0]].label.getBBox().width,
                lastLabel = yAxis.ticks[tp[tp.length - 1]].label.getBBox().width,
                bb = yAxis.axisTitle.getBBox();
            yAxis.update({
                title: {
                offset: -bb.width + (firstLabel > lastLabel ? firstLabel : lastLabel)
            }
            });
        }
    }
   },
   colors: ['#007dc3', '#409ed2', '#7fbee1', '#007dc3', '#409ed2', '#7fbee1'],

   title: {
     text: description.title
   },
   subtitle: {
     text: 'Source: ' + description.source,
     floating: true,
     align: 'right',
     x: 0,
     verticalAlign: 'bottom',
     y: 10
   },
   navigation: {
     buttonOptions: {
       enabled: false
     }
   },
   xAxis: {
     categories: ["1997","1998","1999","2000","2001","2002","2003","2004","2005","2006","2007","2008","2009","2010","2011","2012",],
      tickPositioner: function () {
       var positions = [];
       var increment = Math.ceil(((this.dataMax) - (this.dataMin)) / 16);
       var tick = Math.floor(this.dataMin);
       for (tick; tick < this.dataMax; tick += increment) {
         positions.push(tick);
       }
       //prevent last tick label overlap the last data in the array if too close
       var diff = tick - this.dataMax;
       if(diff >= (increment /2) ) {
        var deleted = positions.pop();
       }

       positions.push(this.dataMax);
       return positions;
     },
     labels: {
        formatter: function() {
          var w = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
          var response = '';
          if (w < 768) {
            if (this.isFirst) {
              count = 0;
            }
            if (count % 4 === 0 || this.isLast) {
              response = this.value;
            }
            count++;
          } else {
            response = this.value;
          }
          return response;
        }
     },
     tickmarkPlacement: 'on'
   },
   yAxis: {
     title: {
        text: description.preUnit + description.unit,
       align: 'high',
       rotation: 360,
       x: -15,
       y: -10
     },
    labels: {
      format: '{value:,f}'
    }
   },

   credits: {
     enabled: false
   },

    annotationsOptions: {
        enabledButtons: false
    },

   plotOptions: {
     series: {
       turboThreshold:0,
       shadow: false,
       states: {
         hover: {
           enabled: true,
           shadow: false,
           lineWidth: 3,
           lineWidthPlus: 0,
           marker: {
             height: 0,
             width: 0,
             halo: false,
             enabled: true,
             fillColor: null,
             radiusPlus: null,
             lineWidth: 3,
             lineWidthPlus: 0
           }
         }
       }
     }
   },
   tooltip: {
     shared: true,
     width: '150px',
     crosshairs: {
       width: 2,
       color: '#f37121'
     },
     positioner: function(labelWidth, labelHeight, point) {
       var w = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
       var points = {
         x: 30,
         y: 42
       };
       var tooltipX, tooltipY;
       var chart = Highcharts.charts[Highcharts.charts.length - 1];
       if (w > 768) {

         if (point.plotX + labelWidth > chart.plotWidth) {
           tooltipX = point.plotX + chart.plotLeft - labelWidth - 20;
           $("#custom-tooltip").removeClass('tooltip-left');
         } else {
           tooltipX = point.plotX + chart.plotLeft + 20;
           $("#custom-tooltip").removeClass('tooltip-right');
         }

         tooltipY = 50;
         points = {
           x: tooltipX,
           y: tooltipY
         };
       } else {
         $("#custom-tooltip").removeClass('tooltip-left');
         $("#custom-tooltip").removeClass('tooltip-right');
       }

       return points;
     },

     formatter: function() {
       var id1 = '<div id="custom-tooltip" class="tooltip-left tooltip-right">';
       var block = id1 + "<div class='sidebar' >";
       var title = '<b class="title">' + this.points[0].key + ': </b>';
       var symbol = ['<div class="circle">●</div>', '<div class="square">■</div>', '<div class="diamond">♦</div>', '<div class="triangle">▲</div>', '<div class="triangle">▼</div>'];

       var content = block;

       // symbols
       $.each(this.points, function(i, val) {
         content += symbol[i];
       });

       content += "<br/></div>";
       content += "<div class='maintext maintext__fixed-width'>";
       content += title;

       // series names and values
       $.each(this.points, function(i, val) {
         content += '<div class="tiptext">' + val.point.series.chart.series[i].name + "<br/><b>Value: " + val.point.series.chart.series[i].options.preUnit + numberWithCommas(val.y) + " " + val.point.series.chart.series[i].options.unit + '</b></div>';
       });
       content += "</div>";
       return content;
     },

     backgroundColor: 'rgba(255, 255, 255, 0)',
     borderWidth: 0,
     borderColor: 'rgba(255, 255, 255, 0)',
     shadow: false,
     useHTML: true

   },
   series: [{
     name: description.title,
     id: description.id,
     unit: description.unit,
     preUnit: description.preUnit,
     data: series,
     marker: {
       enabled:true,
       radius:2,
       symbol: "circle",
       states: {
         hover: {
           fillColor: '#007dc3',
           radiusPlus: 0,
           lineWidthPlus: 0
         }
       }
     },
     dashStyle: 'Solid'
   }]
 };

if(!description.isIndex) {
  var min;
  for(i = 0; i<series.length; i++) {
   min = min ? Math.min(min, series[i].y) : series[i].y;
  }
       
  if(min > 0) {
   linechart.yAxis.min = 0;
  } else {
   linechart.yAxis.min = min - 1;
  }

 };


    function numberWithCommas(number) {
    var parts = number.toString().split(".");
    parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
    return parts.join(".");
    }

window.linechart = linechart;
return linechart;


 })()