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

legenddistanceAlliance['OneWorld'] = 673006;
legenddistanceAlliance['Star Alliance'] = 284028;
legenddistanceAlliance['SkyTeam'] = 162054;
legenddistanceAlliance['No Alliance'] = 396542;
legenddistanceAirline['EL AL Israel Airlines'] = 162678;
legenddistanceAirline['EgyptAir'] = 3267;
legenddistanceAirline['LATAM Chile'] = 8742;
legenddistanceAirline['British Airways'] = 387617;
legenddistanceAirline['Singapore Airlines'] = 27157;
legenddistanceAirline['Cathay Pacific'] = 65954;
legenddistanceAirline['Arkia-Israeli'] = 498;
legenddistanceAirline['Korean Air'] = 11373;
legenddistanceAirline['Philippine Airlines'] = 1874;
legenddistanceAirline['Cebu Pacific'] = 1063;
legenddistanceAirline['Czech Airlines'] = 586;
legenddistanceAirline['Royal Brunei'] = 10426;
legenddistanceAirline['Air Berlin'] = 174;
legenddistanceAirline['Sri Lankan Airlines'] = 4056;
legenddistanceAirline['Lufthansa'] = 53856;
legenddistanceAirline['Ryanair'] = 8811;
legenddistanceAirline['Mango'] = 794;
legenddistanceAirline['Qantas'] = 32722;
legenddistanceAirline['Air New Zealand'] = 41438;
legenddistanceAirline['Swiss'] = 14878;
legenddistanceAirline['EasyJet'] = 16357;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 21653;
legenddistanceAirline['Delta'] = 21897;
legenddistanceAirline['Aeroflot'] = 11094;
legenddistanceAirline['American Airlines'] = 86729;
legenddistanceAirline['Virgin Atlantic'] = 53164;
legenddistanceAirline['China Eastern'] = 1260;
legenddistanceAirline['Air China'] = 7496;
legenddistanceAirline['Tianjin Airlines'] = 584;
legenddistanceAirline['Asiana Airlines'] = 5516;
legenddistanceAirline['SAS'] = 1216;
legenddistanceAirline['Norwegian Air International'] = 10158;
legenddistanceAirline['Aer Lingus'] = 3076;
legenddistanceAirline['Cityjet'] = 297;
legenddistanceAirline['Virgin America'] = 2896;
legenddistanceAirline['Ukraine International'] = 2009;
legenddistanceAirline['Finnair'] = 3478;
legenddistanceAirline['United Airlines'] = 46500;
legenddistanceAirline['Avianca Brazil'] = 213;
legenddistanceAirline['South African Airways'] = 4627;
legenddistanceAirline['LATAM Brasil'] = 209;
legenddistanceAirline['Wizz Air'] = 7835;
legenddistanceAirline['Air India'] = 7000;
legenddistanceAirline['All Nippon Airways'] = 18794;
legenddistanceAirline['Air Canada'] = 5136;
legenddistanceAirline['Cathay Dragon'] = 2474;
legenddistanceAirline['Juneyao Airlines'] = 1079;
legenddistanceAirline['Japan Airlines'] = 24266;
legenddistanceAirline['Avianca'] = 5261;
legenddistanceAirline['Iberia'] = 22136;
legenddistanceAirline['Etihad'] = 28476;
legenddistanceAirline['Rwandair'] = 560;
legenddistanceAirline['Brussels Airlines'] = 4106;
legenddistanceAirline['Air Baltic'] = 1217;
legenddistanceAirline['Spirit Airlines'] = 1747;
legenddistanceAirline['Frontier Airlines'] = 1368;
legenddistanceAirline['Turkish Airlines'] = 7253;
legenddistanceAirline['Azerbaijan Airlines'] = 2490;
legenddistanceAirline['Air France'] = 22356;
legenddistanceAirline['Alitalia'] = 538;
legenddistanceAirline['EuroWings'] = 1298;
legenddistanceAirline['Jetstar Airways'] = 382;
legenddistanceAirline['Emirates'] = 68292;
legenddistanceAirline['Azores Airlines'] = 3447;
legenddistanceAirline['TAP Portugal'] = 12272;
legenddistanceAirline['Rossiya'] = 4824;
legenddistanceAirline['Aerolineas Argentinas'] = 2958;
legenddistanceAirline['Austrian Airlines'] = 792;
legenddistanceAirline['Royal Nepal Airlines'] = 505;
legenddistanceAirline['Druk Air'] = 1446;
legenddistanceAirline['Croatia Airlines'] = 850;
legenddistanceAirline['FlyBe'] = 365;
legenddistanceAirline['Volotea'] = 332;
legenddistanceAirline['Adria Airways'] = 969;
legenddistanceAirline['Royal Jordanian'] = 427;
legenddistanceAirline['Kuwait Airways'] = 734;
legenddistanceAirline['Thomas Cook (MT)'] = 4233;
legenddistanceAirline['Air Mauritius'] = 9723;
legenddistanceAirline['Qatar Airways'] = 27963;
legenddistanceAirline['Greenlandair'] = 3257;
legenddistanceAirline['IcelandAir'] = 1177;
legenddistanceAirline['JetStarAsia'] = 675;
legenddistanceAirline['Vietnam Airlines'] = 675;
legenddistanceAirline['Kenya Airways'] = 146;
legenddistanceAirline['EVA'] = 5952;
legenddistanceAirline['Surinam Airways'] = 4893;
legenddistanceAirline['BWIA West Indies'] = 351;
legenddistanceAirline['Alaska Airlines'] = 4378;
legenddistanceAirline['Aegean Airlines'] = 1086;
legenddistanceAirline['AtlasJet'] = 320;
legenddistanceAirline['Pegasus Airlines'] = 1852;
legenddistanceAirline['Malaysia Airlines'] = 1681;
legenddistanceAirline['Norwegian Air Shuttle'] = 3974;
legenddistanceAirline['AeroMexico'] = 5724;
legenddistanceAirline['Ethiopian Airlines'] = 8393;
legenddistanceAirline['Air Calin'] = 8630;
legenddistanceAirline['Peach'] = 304;
legenddistanceAirline['Fiji Airways'] = 150;
legenddistanceAirline['Edelweiss'] = 1953;
legenddistanceAirline['Azul Airlines'] = 1305;
legenddistanceAirline['Air Arabia'] = 1167;
legenddistanceAirline['Flydubai'] = 2846;
legenddistanceAirline['JetBlue'] = 739;
legenddistanceAirline['Go Air'] = 1417;
legenddistanceAirline['Gulf Air'] = 347;
legenddistanceAirline['Blue Air'] = 2614;
legenddistanceAirline['Vistara'] = 1626;
legenddistanceAirline['Royal Air Maroc'] = 3701;
legenddistanceAirline['OneWorld'] = 673006;
legenddistanceAirline['Star Alliance'] = 284028;
legenddistanceAirline['SkyTeam'] = 162054;
legenddistanceAirline['No Alliance'] = 396542;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 44.4,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (673006)',
						categories: ['British Airways','Cathay Pacific','Qantas','American Airlines','Japan Airlines','Iberia','Qatar Airways','Others'],
						data: [25.6,4.4,2.2,5.7,1.6,1.5,1.8,1.7],
						color: colors[0]
					}
				} ,{
					y: 18.7,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (284028)',
						categories: ['Singapore Airlines','Lufthansa','Air New Zealand','Swiss','United Airlines','All Nippon Airways','Others'],
						data: [1.8,3.6,2.7,1,3.1,1.2,5.6],
						color: colors[1]
					}
				} ,{
					y: 10.7,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (162054)',
						categories: ['KLM Royal Dutch Airlines','Delta','Virgin Atlantic','Air France','Others'],
						data: [1.4,1.4,3.5,1.5,2.8],
						color: colors[2]
					}
				} ,{
					y: 26.2,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (396542)',
						categories: ['EL AL Israel Airlines','EasyJet','Etihad','Emirates','Others'],
						data: [10.7,1.1,1.9,4.5,7.6],
						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 "";
	}
}