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

legenddistanceAlliance['OneWorld'] = 225762;
legenddistanceAlliance['Star Alliance'] = 169928;
legenddistanceAlliance['SkyTeam'] = 219937;
legenddistanceAlliance['No Alliance'] = 191707;
legenddistanceAirline['Easyjet'] = 5753;
legenddistanceAirline['British Airways'] = 137917;
legenddistanceAirline['BMI British Midland'] = 15257;
legenddistanceAirline['Air Serbia'] = 236;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 133415;
legenddistanceAirline['Brussels Airlines'] = 18829;
legenddistanceAirline['VLM'] = 192;
legenddistanceAirline['EasyJet'] = 36498;
legenddistanceAirline['LOT Polish Airlines'] = 18298;
legenddistanceAirline['FlyBe'] = 3325;
legenddistanceAirline['Jet2'] = 13986;
legenddistanceAirline['Lufthansa'] = 19276;
legenddistanceAirline['Austrian Airlines'] = 5018;
legenddistanceAirline['Ryanair'] = 15239;
legenddistanceAirline['Air France'] = 37708;
legenddistanceAirline['Alitalia'] = 7323;
legenddistanceAirline['Czech Airlines'] = 7305;
legenddistanceAirline['GermanWings'] = 307;
legenddistanceAirline['Aegean Airlines'] = 1156;
legenddistanceAirline['Ukraine International'] = 2530;
legenddistanceAirline['Bmibaby'] = 2864;
legenddistanceAirline['Finnair'] = 11057;
legenddistanceAirline['IcelandAir'] = 7062;
legenddistanceAirline['United Airlines'] = 413;
legenddistanceAirline['Northwest'] = 14776;
legenddistanceAirline['SAS'] = 8071;
legenddistanceAirline['Malev'] = 3274;
legenddistanceAirline['Tuifly'] = 466;
legenddistanceAirline['Air Baltic'] = 578;
legenddistanceAirline['Wideroe'] = 862;
legenddistanceAirline['Adria Airways'] = 163;
legenddistanceAirline['Croatia Airlines'] = 2466;
legenddistanceAirline['Virgin Express'] = 436;
legenddistanceAirline['Air Canada'] = 1326;
legenddistanceAirline['Swiss'] = 9738;
legenddistanceAirline['Blue1'] = 494;
legenddistanceAirline['Air Malta'] = 2735;
legenddistanceAirline['Singapore Airlines'] = 15609;
legenddistanceAirline['Portugalia'] = 172;
legenddistanceAirline['IGAvion (Skytaxi)'] = 2170;
legenddistanceAirline['Continental'] = 11490;
legenddistanceAirline['TAP Portugal'] = 137;
legenddistanceAirline['Delta'] = 4893;
legenddistanceAirline['US Airways'] = 3758;
legenddistanceAirline['Cebu Pacific'] = 3744;
legenddistanceAirline['Philippine Airlines'] = 623;
legenddistanceAirline['JetStarAsia'] = 1475;
legenddistanceAirline['Scoot'] = 875;
legenddistanceAirline['Thai'] = 7585;
legenddistanceAirline['Air Philippines'] = 403;
legenddistanceAirline['South African Airways'] = 8710;
legenddistanceAirline['Air Berlin'] = 3174;
legenddistanceAirline['American Airlines'] = 4784;
legenddistanceAirline['S7 Airlines'] = 415;
legenddistanceAirline['Malaysia Airlines'] = 1982;
legenddistanceAirline['Air Asia'] = 768;
legenddistanceAirline['Cathay Pacific'] = 21438;
legenddistanceAirline['Tarom'] = 198;
legenddistanceAirline['Iberia'] = 442;
legenddistanceAirline['Wizz Air'] = 4620;
legenddistanceAirline['Qatar Airways'] = 27757;
legenddistanceAirline['Thai Air Asia'] = 2799;
legenddistanceAirline['Jetstar Airways'] = 2717;
legenddistanceAirline['Qantas'] = 1767;
legenddistanceAirline['Emirates'] = 33272;
legenddistanceAirline['Eastern Airways'] = 522;
legenddistanceAirline['Cebgo'] = 348;
legenddistanceAirline['Aer Lingus'] = 864;
legenddistanceAirline['Nok Air'] = 342;
legenddistanceAirline['Bangkok Airways'] = 1444;
legenddistanceAirline['EVA'] = 11904;
legenddistanceAirline['Thai Smile'] = 585;
legenddistanceAirline['Air Asia X'] = 2884;
legenddistanceAirline['Japan Airlines'] = 519;
legenddistanceAirline['Peach'] = 2476;
legenddistanceAirline['Etihad'] = 13390;
legenddistanceAirline['Vietnam Airlines'] = 388;
legenddistanceAirline['Tigerair Taiwan'] = 524;
legenddistanceAirline['Air China'] = 13472;
legenddistanceAirline['Jetstar Pacific'] = 445;
legenddistanceAirline['Skymark Airlines'] = 736;
legenddistanceAirline['Golden Myanmar Airlines'] = 75;
legenddistanceAirline['AIRPORT-OPERATED'] = 303;
legenddistanceAirline['Philippines Air Asia'] = 388;
legenddistanceAirline['Saudia'] = 13931;
legenddistanceAirline['Royal Jordanian'] = 6016;
legenddistanceAirline['Flynas'] = 2970;
legenddistanceAirline['Gulf Air'] = 3426;
legenddistanceAirline['Loganair'] = 564;
legenddistanceAirline['Georgian Airways'] = 109;
legenddistanceAirline['IndiGo'] = 286;
legenddistanceAirline['Vistara'] = 934;
legenddistanceAirline['Air India'] = 263;
legenddistanceAirline['Azerbaijan Airlines'] = 277;
legenddistanceAirline['Uzbekistan Airways'] = 1635;
legenddistanceAirline['Turkish Airlines'] = 747;
legenddistanceAirline['Montenegro Airlines'] = 521;
legenddistanceAirline['Sri Lankan Airlines'] = 1462;
legenddistanceAirline['Flydubai'] = 3607;
legenddistanceAirline['Oman Air'] = 4851;
legenddistanceAirline['OneWorld'] = 225762;
legenddistanceAirline['Star Alliance'] = 169928;
legenddistanceAirline['SkyTeam'] = 219937;
legenddistanceAirline['No Alliance'] = 191707;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 28,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (225762)',
						categories: ['British Airways','Finnair','Cathay Pacific','Qatar Airways','Others'],
						data: [17.1,1.4,2.7,3.4,3.5],
						color: colors[0]
					}
				} ,{
					y: 21,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (169928)',
						categories: ['BMI British Midland','Brussels Airlines','LOT Polish Airlines','Lufthansa','SAS','Swiss','Singapore Airlines','Continental','South African Airways','EVA','Air China','Others'],
						data: [1.9,2.3,2.3,2.4,1,1.2,1.9,1.4,1.1,1.5,1.7,2.3],
						color: colors[1]
					}
				} ,{
					y: 27.2,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (219937)',
						categories: ['KLM Royal Dutch Airlines','Air France','Northwest','Saudia','Others'],
						data: [16.5,4.7,1.8,1.7,2.4],
						color: colors[2]
					}
				} ,{
					y: 23.7,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (191707)',
						categories: ['EasyJet','Jet2','Ryanair','Emirates','Etihad','Others'],
						data: [4.5,1.7,1.9,4.1,1.7,9.8],
						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 "";
	}
}