var legenddistanceAirline = {};
var legenddistanceAlliance = {};

legenddistanceAlliance['OneWorld'] = 44171;
legenddistanceAlliance['Star Alliance'] = 3437;
legenddistanceAlliance['SkyTeam'] = 8375;
legenddistanceAlliance['No Alliance'] = 69099;
legenddistanceAirline['Malaysia Airlines'] = 3918;
legenddistanceAirline['Adam Air'] = 564;
legenddistanceAirline['Garuda Indonesia'] = 5042;
legenddistanceAirline['Cebu Pacific'] = 3447;
legenddistanceAirline['Indonesia AirAsia'] = 4396;
legenddistanceAirline['Citilink'] = 1780;
legenddistanceAirline['Air Asia Zest'] = 350;
legenddistanceAirline['Tigerair Mandala'] = 1844;
legenddistanceAirline['Philippine Airlines'] = 596;
legenddistanceAirline['Air Asia X'] = 18659;
legenddistanceAirline['Scoot'] = 5010;
legenddistanceAirline['Unknown'] = 10680;
legenddistanceAirline['Air Asia'] = 2622;
legenddistanceAirline['Lion Air'] = 1790;
legenddistanceAirline['China Eastern'] = 681;
legenddistanceAirline['Tsaradia'] = 3188;
legenddistanceAirline['Qatar Airways'] = 24983;
legenddistanceAirline['Turkish Airlines'] = 590;
legenddistanceAirline['Malindo Air'] = 2094;
legenddistanceAirline['Batik Air'] = 430;
legenddistanceAirline['JetStar Japan'] = 304;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 6358;
legenddistanceAirline['EasyJet'] = 1067;
legenddistanceAirline['Spicejet'] = 2539;
legenddistanceAirline['Alitalia'] = 1336;
legenddistanceAirline['Emirates'] = 2697;
legenddistanceAirline['Singapore Airlines'] = 2847;
legenddistanceAirline['Iberia'] = 6210;
legenddistanceAirline['LATAM Chile'] = 2886;
legenddistanceAirline['LATAM Brasil'] = 227;
legenddistanceAirline['British Airways'] = 5947;
legenddistanceAirline['OneWorld'] = 44171;
legenddistanceAirline['Star Alliance'] = 3437;
legenddistanceAirline['SkyTeam'] = 8375;
legenddistanceAirline['No Alliance'] = 69099;


$(function () {
    var chart;
    $(document).ready(function() {

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 35.3,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (44171)',
						categories: ['Malaysia Airlines','Qatar Airways','Iberia','LATAM Chile','British Airways','Others'],
						data: [3.1,20,5,2.3,4.8,0.2],
						color: colors[0]
					}
				} ,{
					y: 2.7,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (3437)',
						categories: ['Singapore Airlines','Others'],
						data: [2.3,0.5],
						color: colors[1]
					}
				} ,{
					y: 6.7,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (8375)',
						categories: ['KLM Royal Dutch Airlines','Alitalia','Others'],
						data: [5.1,1.1,0.5],
						color: colors[2]
					}
				} ,{
					y: 55.2,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (69099)',
						categories: ['Garuda Indonesia','Cebu Pacific','Indonesia AirAsia','Citilink','Tigerair Mandala','Air Asia X','Scoot','Unknown','Air Asia','Lion Air','Tsaradia','Malindo Air','Spicejet','Emirates','Others'],
						data: [4,2.8,3.5,1.4,1.5,14.9,4,8.5,2.1,1.4,2.5,1.7,2,2.2,2.7],
						color: colors[3]
					}
				} 

		];


        // Build the data arrays
        var allianceData = [];
        var carrierData = [];
        for (var i = 0; i < data.length; i++) {

            // add browser data
            allianceData.push({
                name: categories[i],
                y: data[i].y,
                color: data[i].color
            });

            // add version data
            for (var j = 0; j < data[i].drilldown.data.length; j++) {
                var brightness = 0.2 - (j / data[i].drilldown.data.length) / 5 ;
                carrierData.push({
                    name: data[i].drilldown.categories[j],
                    y: data[i].drilldown.data[j],
                    color: Highcharts.Color(data[i].color).brighten(brightness).get()
                });
            }
        }

        // Create the chart
        chart = new Highcharts.Chart({
            chart: {
                renderTo: 'airline_distance',
                type: 'pie'
            },
            title: {
                text: ''
            },
            yAxis: {
                title: {
                    text: ''
                }
            },
            plotOptions: {
                pie: {
                    allowPointSelect: true,
                    cursor: 'pointer',
                    dataLabels: {
                        enabled: true
                    },
                    showInLegend: false
                }
            },
            tooltip: {
        	    valueSuffix: '%'
            },
            series: [{
                name: 'proportion',
                data: allianceData,
                size: '80%',
                dataLabels: {
                    formatter: function() {
                        return this.y > 5 ? this.point.name : null;
                    },
                    color: 'white',
                    distance: -75
                }
            }, {
                name: 'proportion',
                data: carrierData,
                innerSize: '80%',
                dataLabels: {
                    formatter: function() {
                        // display only if larger than 1
                        return this.y > 1 ? '<b>'+ this.point.name +':</b> '+ this.y +
                        	'%' + getCountdistance(this.point.name) : null;
                    }
                }
            }]
        });
    });

});

function getCountdistance(airline)
{
	if(legenddistanceAirline[airline])
	{
		return " (" + parseInt(legenddistanceAirline[airline]).toLocaleString() + ")";
	}
	else
	{
		return "";
	}
}