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

legenddistanceAlliance['OneWorld'] = 169605;
legenddistanceAlliance['Star Alliance'] = 210865;
legenddistanceAlliance['SkyTeam'] = 44770;
legenddistanceAlliance['No Alliance'] = 100781;
legenddistanceAirline['Norwegian Air UK'] = 841;
legenddistanceAirline['Ryanair'] = 29200;
legenddistanceAirline['GermanWings'] = 9994;
legenddistanceAirline['Luxair'] = 8174;
legenddistanceAirline['Air Berlin'] = 20434;
legenddistanceAirline['Lufthansa'] = 139176;
legenddistanceAirline['Tuifly'] = 1052;
legenddistanceAirline['EasyJet'] = 10702;
legenddistanceAirline['Iberia'] = 1015;
legenddistanceAirline['Cirrus Airlines'] = 334;
legenddistanceAirline['BMI British Midland'] = 2774;
legenddistanceAirline['Delta'] = 16106;
legenddistanceAirline['Austrian Airlines'] = 5333;
legenddistanceAirline['Emirates'] = 6022;
legenddistanceAirline['Finnair'] = 13102;
legenddistanceAirline['US Airways'] = 48910;
legenddistanceAirline['United Airlines'] = 8941;
legenddistanceAirline['Niki'] = 770;
legenddistanceAirline['Swiss'] = 27139;
legenddistanceAirline['Czech Airlines'] = 762;
legenddistanceAirline['Malev'] = 1466;
legenddistanceAirline['Tarom'] = 384;
legenddistanceAirline['Air China'] = 3635;
legenddistanceAirline['British Airways'] = 33479;
legenddistanceAirline['Air France'] = 5851;
legenddistanceAirline['Cimber Air'] = 724;
legenddistanceAirline['Qatar Airways'] = 10488;
legenddistanceAirline['Air Dolomiti'] = 14457;
legenddistanceAirline['Virgin America'] = 1401;
legenddistanceAirline['JetBlue'] = 5323;
legenddistanceAirline['Aegean Airlines'] = 771;
legenddistanceAirline['AIRPORT-OPERATED'] = 4343;
legenddistanceAirline['American Airlines'] = 40711;
legenddistanceAirline['SAS'] = 92;
legenddistanceAirline['Tyrolean Airways'] = 248;
legenddistanceAirline['Brussels Airlines'] = 4310;
legenddistanceAirline['Alitalia'] = 19120;
legenddistanceAirline['Meridiana'] = 479;
legenddistanceAirline['Southwest'] = 852;
legenddistanceAirline['Air One'] = 2516;
legenddistanceAirline['Wizz Air'] = 680;
legenddistanceAirline['LOT Polish Airlines'] = 484;
legenddistanceAirline['Air Canada'] = 991;
legenddistanceAirline['Thai'] = 11421;
legenddistanceAirline['Thai Air Asia'] = 724;
legenddistanceAirline['Turkish Airlines'] = 4826;
legenddistanceAirline['Transavia France'] = 794;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 2547;
legenddistanceAirline['Volotea'] = 1923;
legenddistanceAirline['Etihad'] = 200;
legenddistanceAirline['OneWorld'] = 169605;
legenddistanceAirline['Star Alliance'] = 210865;
legenddistanceAirline['SkyTeam'] = 44770;
legenddistanceAirline['No Alliance'] = 100781;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 32.2,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (169605)',
						categories: ['Air Berlin','Finnair','US Airways','British Airways','Qatar Airways','American Airlines','Others'],
						data: [3.9,2.5,9.3,6.4,2,7.7,0.5],
						color: colors[0]
					}
				} ,{
					y: 40.1,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (210865)',
						categories: ['Lufthansa','Austrian Airlines','United Airlines','Swiss','Thai','Others'],
						data: [26.5,1,1.7,5.2,2.2,3.4],
						color: colors[1]
					}
				} ,{
					y: 8.5,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (44770)',
						categories: ['Delta','Air France','Alitalia','Others'],
						data: [3.1,1.1,3.6,0.7],
						color: colors[2]
					}
				} ,{
					y: 19.2,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (100781)',
						categories: ['Ryanair','GermanWings','Luxair','EasyJet','Emirates','Air Dolomiti','JetBlue','Others'],
						data: [5.6,1.9,1.6,2,1.1,2.7,1,3.3],
						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 "";
	}
}