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

legenddistanceAlliance['OneWorld'] = 333073;
legenddistanceAlliance['Star Alliance'] = 260179;
legenddistanceAlliance['SkyTeam'] = 26691;
legenddistanceAlliance['No Alliance'] = 311032;
legenddistanceAirline['Jetstar Airways'] = 91015;
legenddistanceAirline['Asiana Airlines'] = 14031;
legenddistanceAirline['Pacific Blue'] = 10626;
legenddistanceAirline['Qantas'] = 166564;
legenddistanceAirline['Cathay Pacific'] = 27994;
legenddistanceAirline['United Airlines'] = 3589;
legenddistanceAirline['Alaska Airlines'] = 337;
legenddistanceAirline['American Airlines'] = 32497;
legenddistanceAirline['JetBlue'] = 5160;
legenddistanceAirline['US Airways'] = 2478;
legenddistanceAirline['Hawaiian Airlines'] = 10326;
legenddistanceAirline['Bangkok Airways'] = 1015;
legenddistanceAirline['British Airways'] = 45752;
legenddistanceAirline['Japan Airlines'] = 6842;
legenddistanceAirline['Malaysia Airlines'] = 16511;
legenddistanceAirline['Singapore Airlines'] = 109418;
legenddistanceAirline['Philippine Airlines'] = 709;
legenddistanceAirline['Emirates'] = 35673;
legenddistanceAirline['Lufthansa'] = 7289;
legenddistanceAirline['Air India'] = 3464;
legenddistanceAirline['Thai Air Asia'] = 9209;
legenddistanceAirline['EgyptAir'] = 6332;
legenddistanceAirline['Iberia'] = 4654;
legenddistanceAirline['Air Asia'] = 8810;
legenddistanceAirline['JetStarAsia'] = 4282;
legenddistanceAirline['Finnair'] = 8199;
legenddistanceAirline['Royal Jordanian'] = 4752;
legenddistanceAirline['Aegean Airlines'] = 1063;
legenddistanceAirline['Alitalia'] = 804;
legenddistanceAirline['Thai'] = 80270;
legenddistanceAirline['Air Berlin'] = 268;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 1340;
legenddistanceAirline['Turkish Airlines'] = 6762;
legenddistanceAirline['LATAM Chile'] = 4081;
legenddistanceAirline['Cubana'] = 1981;
legenddistanceAirline['AeroMexico'] = 1100;
legenddistanceAirline['Tsaradia'] = 11280;
legenddistanceAirline['Korean Air'] = 16512;
legenddistanceAirline['Croatia Airlines'] = 578;
legenddistanceAirline['Brussels Airlines'] = 1067;
legenddistanceAirline['Vueling'] = 1198;
legenddistanceAirline['EasyJet'] = 319;
legenddistanceAirline['Air Asia X'] = 34699;
legenddistanceAirline['Austrian Airlines'] = 990;
legenddistanceAirline['EVA'] = 6799;
legenddistanceAirline['Rex'] = 5306;
legenddistanceAirline['Cebu Pacific'] = 4226;
legenddistanceAirline['Southwest'] = 2247;
legenddistanceAirline['Virgin Australia'] = 19453;
legenddistanceAirline['Air Austral'] = 1264;
legenddistanceAirline['Etihad'] = 18868;
legenddistanceAirline['WestJet'] = 1430;
legenddistanceAirline['Wizz Air'] = 1965;
legenddistanceAirline['Air New Zealand'] = 14751;
legenddistanceAirline['Air Tahiti'] = 1215;
legenddistanceAirline['Air Canada'] = 2257;
legenddistanceAirline['Air Serbia'] = 212;
legenddistanceAirline['Bulgaria Air'] = 1089;
legenddistanceAirline['Sri Lankan Airlines'] = 5999;
legenddistanceAirline['Adria Airways'] = 751;
legenddistanceAirline['Thai Lion Air'] = 362;
legenddistanceAirline['Thai Smile'] = 1486;
legenddistanceAirline['Thai AirAsiaX'] = 4520;
legenddistanceAirline['Air Lithuania'] = 465;
legenddistanceAirline['Vietnam Airlines'] = 375;
legenddistanceAirline['VietJet Air'] = 5997;
legenddistanceAirline['Indonesia AirAsia'] = 1857;
legenddistanceAirline['KM Malta Airlines'] = 1692;
legenddistanceAirline['LC Peru'] = 344;
legenddistanceAirline['Batik Air Malaysia'] = 1946;
legenddistanceAirline['Jeju Air'] = 280;
legenddistanceAirline['Jin Air'] = 180;
legenddistanceAirline['Scoot'] = 7820;
legenddistanceAirline['Xiamen Airlines'] = 5945;
legenddistanceAirline['IndiGo'] = 506;
legenddistanceAirline['Tarom'] = 615;
legenddistanceAirline['SAS'] = 768;
legenddistanceAirline['Qatar Airways'] = 6145;
legenddistanceAirline['OneWorld'] = 333073;
legenddistanceAirline['Star Alliance'] = 260179;
legenddistanceAirline['SkyTeam'] = 26691;
legenddistanceAirline['No Alliance'] = 311032;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 35.8,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (333073)',
						categories: ['Qantas','Cathay Pacific','American Airlines','British Airways','Malaysia Airlines','Others'],
						data: [17.9,3,3.5,4.9,1.8,4.6],
						color: colors[0]
					}
				} ,{
					y: 27.9,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (260179)',
						categories: ['Asiana Airlines','Singapore Airlines','Thai','Air New Zealand','Others'],
						data: [1.5,11.8,8.6,1.6,4.5],
						color: colors[1]
					}
				} ,{
					y: 2.9,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (26691)',
						categories: ['Korean Air','Others'],
						data: [1.8,1],
						color: colors[2]
					}
				} ,{
					y: 33.4,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (311032)',
						categories: ['Jetstar Airways','Pacific Blue','Hawaiian Airlines','Emirates','Thai Air Asia','Tsaradia','Air Asia X','Virgin Australia','Etihad','Others'],
						data: [9.8,1.1,1.1,3.8,1,1.2,3.7,2.1,2,7.3],
						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 "";
	}
}