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

legenddistanceAlliance['OneWorld'] = 71047;
legenddistanceAlliance['Star Alliance'] = 463653;
legenddistanceAlliance['SkyTeam'] = 64929;
legenddistanceAlliance['No Alliance'] = 111801;
legenddistanceAirline['SkyEurope'] = 16841;
legenddistanceAirline['Ryanair'] = 7891;
legenddistanceAirline['British Airways'] = 49790;
legenddistanceAirline['GermanWings'] = 8041;
legenddistanceAirline['Austrian Airlines'] = 195873;
legenddistanceAirline['Air New Zealand'] = 19957;
legenddistanceAirline['Fiji Airways'] = 202;
legenddistanceAirline['United Airlines'] = 7202;
legenddistanceAirline['Lufthansa'] = 94113;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 26501;
legenddistanceAirline['EasyJet'] = 1615;
legenddistanceAirline['FlyBe'] = 4931;
legenddistanceAirline['Lufthansa Cityline'] = 1952;
legenddistanceAirline['Augsburg Airways'] = 1724;
legenddistanceAirline['Swiss'] = 48171;
legenddistanceAirline['Darwin'] = 102;
legenddistanceAirline['Air Berlin'] = 9062;
legenddistanceAirline['Air Dolomiti'] = 973;
legenddistanceAirline['BMI British Midland'] = 12317;
legenddistanceAirline['Finnish Commuter'] = 381;
legenddistanceAirline['Air Baltic'] = 1240;
legenddistanceAirline['Estonian Air'] = 522;
legenddistanceAirline['Niki'] = 14094;
legenddistanceAirline['Vueling'] = 852;
legenddistanceAirline['Cirrus Airlines'] = 168;
legenddistanceAirline['Lauda Air (NG)'] = 3168;
legenddistanceAirline['Adria Airways'] = 770;
legenddistanceAirline['Contact Air'] = 942;
legenddistanceAirline['Turkish Airlines'] = 1554;
legenddistanceAirline['Alitalia'] = 9623;
legenddistanceAirline['Condor'] = 10707;
legenddistanceAirline['WestJet'] = 3342;
legenddistanceAirline['Air France'] = 13146;
legenddistanceAirline['Mango'] = 1570;
legenddistanceAirline['Blue1'] = 247;
legenddistanceAirline['SAS'] = 3522;
legenddistanceAirline['Peoples Viennaline'] = 656;
legenddistanceAirline['Cape Air'] = 148;
legenddistanceAirline['PenAir'] = 195;
legenddistanceAirline['Air Canada'] = 39438;
legenddistanceAirline['Etihad'] = 6044;
legenddistanceAirline['Air Seychelles'] = 7472;
legenddistanceAirline['Aurigny'] = 183;
legenddistanceAirline['Intersky'] = 325;
legenddistanceAirline['Etihad Regional'] = 266;
legenddistanceAirline['Bmi Regional'] = 1235;
legenddistanceAirline['Air Iceland'] = 404;
legenddistanceAirline['Brussels Airlines'] = 1681;
legenddistanceAirline['Germania Express'] = 220;
legenddistanceAirline['Iberia'] = 11348;
legenddistanceAirline['LATAM Brasil'] = 227;
legenddistanceAirline['Delta'] = 6825;
legenddistanceAirline['Helvetic Airways'] = 1284;
legenddistanceAirline['All Nippon Airways'] = 11948;
legenddistanceAirline['EuroWings'] = 733;
legenddistanceAirline['Mokulele Airlines'] = 360;
legenddistanceAirline['American Airlines'] = 620;
legenddistanceAirline['WDL Aviaton'] = 678;
legenddistanceAirline['SmartLynx'] = 678;
legenddistanceAirline['Frontier Airlines'] = 386;
legenddistanceAirline['SkyWork'] = 396;
legenddistanceAirline['LOT Polish Airlines'] = 483;
legenddistanceAirline['EVA'] = 10506;
legenddistanceAirline['IndiGo'] = 1017;
legenddistanceAirline['Biman Bangladesh'] = 603;
legenddistanceAirline['Nok Air'] = 235;
legenddistanceAirline['Golden Myanmar Airlines'] = 267;
legenddistanceAirline['Thai Lion Air'] = 954;
legenddistanceAirline['Mann Yadanarpon Airlines'] = 123;
legenddistanceAirline['Virgin Atlantic'] = 8834;
legenddistanceAirline['Wizz Air'] = 1488;
legenddistanceAirline['Ethiopian Airlines'] = 6223;
legenddistanceAirline['Air Namibia'] = 5810;
legenddistanceAirline['Avianca'] = 6219;
legenddistanceAirline['LaudaMotion'] = 1812;
legenddistanceAirline['OneWorld'] = 71047;
legenddistanceAirline['Star Alliance'] = 463653;
legenddistanceAirline['SkyTeam'] = 64929;
legenddistanceAirline['No Alliance'] = 111801;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 10,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (71047)',
						categories: ['British Airways','Air Berlin','Iberia','Others'],
						data: [7,1.3,1.6,0.1],
						color: colors[0]
					}
				} ,{
					y: 65.2,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (463653)',
						categories: ['Austrian Airlines','Air New Zealand','United Airlines','Lufthansa','Swiss','BMI British Midland','Air Canada','All Nippon Airways','EVA','Others'],
						data: [27.5,2.8,1,13.2,6.8,1.7,5.5,1.7,1.5,3.4],
						color: colors[1]
					}
				} ,{
					y: 9.1,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (64929)',
						categories: ['KLM Royal Dutch Airlines','Alitalia','Air France','Delta','Virgin Atlantic'],
						data: [3.7,1.4,1.8,1,1.2],
						color: colors[2]
					}
				} ,{
					y: 15.7,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (111801)',
						categories: ['SkyEurope','Ryanair','GermanWings','Niki','Condor','Air Seychelles','Others'],
						data: [2.4,1.1,1.1,2,1.5,1.1,6.3],
						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 "";
	}
}