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

legenddistanceAlliance['OneWorld'] = 549823;
legenddistanceAlliance['Star Alliance'] = 198462;
legenddistanceAlliance['SkyTeam'] = 96205;
legenddistanceAlliance['No Alliance'] = 201688;
legenddistanceAirline['SAS'] = 18167;
legenddistanceAirline['Atlantic Airways (Faroe Islands)'] = 799;
legenddistanceAirline['British Airways'] = 201127;
legenddistanceAirline['Emirates'] = 44157;
legenddistanceAirline['Air France'] = 24440;
legenddistanceAirline['American Airlines'] = 119487;
legenddistanceAirline['Swiss'] = 27912;
legenddistanceAirline['Lufthansa'] = 44253;
legenddistanceAirline['LOT Polish Airlines'] = 4753;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 16661;
legenddistanceAirline['EgyptAir'] = 2544;
legenddistanceAirline['Middle East Airlines'] = 147;
legenddistanceAirline['Royal Jordanian'] = 156;
legenddistanceAirline['EL AL Israel Airlines'] = 169;
legenddistanceAirline['Air Baltic'] = 2847;
legenddistanceAirline['China Eastern'] = 1671;
legenddistanceAirline['EasyJet'] = 2562;
legenddistanceAirline['Brussels Airlines'] = 2446;
legenddistanceAirline['US Airways'] = 17457;
legenddistanceAirline['United Airlines'] = 11794;
legenddistanceAirline['Alitalia'] = 17398;
legenddistanceAirline['BMI British Midland'] = 12546;
legenddistanceAirline['Air Astana'] = 130;
legenddistanceAirline['Air Serbia'] = 6933;
legenddistanceAirline['Eurostar'] = 614;
legenddistanceAirline['Aer Lingus'] = 7484;
legenddistanceAirline['Delta'] = 12162;
legenddistanceAirline['AirTran'] = 369;
legenddistanceAirline['AIRPORT-OPERATED'] = 6687;
legenddistanceAirline['South African Airways'] = 6543;
legenddistanceAirline['Malaysia Airlines'] = 9643;
legenddistanceAirline['Saudia'] = 13668;
legenddistanceAirline['LATAM Brasil'] = 11703;
legenddistanceAirline['LATAM Chile'] = 5658;
legenddistanceAirline['Copa Airlines'] = 4437;
legenddistanceAirline['Air Canada'] = 2964;
legenddistanceAirline['TACA International'] = 2625;
legenddistanceAirline['FlyBe'] = 955;
legenddistanceAirline['Japan Airlines'] = 20138;
legenddistanceAirline['Finnair'] = 42806;
legenddistanceAirline['Asiana Airlines'] = 781;
legenddistanceAirline['Air China'] = 13509;
legenddistanceAirline['All Nippon Airways'] = 1300;
legenddistanceAirline['Etihad'] = 53937;
legenddistanceAirline['Ryanair'] = 8755;
legenddistanceAirline['Qantas'] = 10172;
legenddistanceAirline['Jetstar Airways'] = 469;
legenddistanceAirline['GermanWings'] = 1033;
legenddistanceAirline['Air Berlin'] = 546;
legenddistanceAirline['Luxair'] = 300;
legenddistanceAirline['Turkish Airlines'] = 17266;
legenddistanceAirline['Austrian Airlines'] = 4584;
legenddistanceAirline['Air India'] = 1488;
legenddistanceAirline['Jet Airways'] = 1553;
legenddistanceAirline['Croatia Airlines'] = 1700;
legenddistanceAirline['EasyJet'] = 4048;
legenddistanceAirline['Virgin Atlantic'] = 331;
legenddistanceAirline['Sri Lankan Airlines'] = 1049;
legenddistanceAirline['Cathay Pacific'] = 30065;
legenddistanceAirline['Air New Zealand'] = 651;
legenddistanceAirline['Qatar Airways'] = 64109;
legenddistanceAirline['Monarch'] = 1140;
legenddistanceAirline['Vietnam Airlines'] = 1174;
legenddistanceAirline['Azerbaijan Airlines'] = 1111;
legenddistanceAirline['Azores Airlines'] = 901;
legenddistanceAirline['TAP Portugal'] = 901;
legenddistanceAirline['Norwegian Air International'] = 830;
legenddistanceAirline['Hahn Air'] = 117;
legenddistanceAirline['Blue Air'] = 463;
legenddistanceAirline['Air Europa'] = 425;
legenddistanceAirline['Alaska Airlines'] = 7057;
legenddistanceAirline['Cathay Dragon'] = 1823;
legenddistanceAirline['Biman Bangladesh'] = 148;
legenddistanceAirline['Tianjin Airlines'] = 10628;
legenddistanceAirline['Hainan Airlines'] = 348;
legenddistanceAirline['Beijing Capital Airlines'] = 348;
legenddistanceAirline['Aegean Airlines'] = 1694;
legenddistanceAirline['Thai'] = 1070;
legenddistanceAirline['Bulgaria Air'] = 1268;
legenddistanceAirline['Iberia'] = 6827;
legenddistanceAirline['Tarom'] = 1592;
legenddistanceAirline['Garuda Indonesia'] = 3259;
legenddistanceAirline['China Airlines'] = 2917;
legenddistanceAirline['Air Asia'] = 923;
legenddistanceAirline['Royal Brunei'] = 103;
legenddistanceAirline['Cebu Pacific'] = 678;
legenddistanceAirline['Philippine Airlines'] = 709;
legenddistanceAirline['Wizz Air'] = 1273;
legenddistanceAirline['Adria Airways'] = 1052;
legenddistanceAirline['EuroWings'] = 463;
legenddistanceAirline['Air Algerie'] = 226;
legenddistanceAirline['Air Namibia'] = 184;
legenddistanceAirline['Ethiopian Airlines'] = 12276;
legenddistanceAirline['Kenya Airways'] = 471;
legenddistanceAirline['Rwandair'] = 210;
legenddistanceAirline['Lao Airlines'] = 319;
legenddistanceAirline['Lao Skyway'] = 134;
legenddistanceAirline['Cambodia Angkor Air'] = 146;
legenddistanceAirline['Wizz Air UK'] = 3594;
legenddistanceAirline['Air Senegal'] = 3827;
legenddistanceAirline['Air Peace'] = 96;
legenddistanceAirline['FlySafair'] = 236;
legenddistanceAirline['Airlink'] = 233;
legenddistanceAirline['Air Austral'] = 2302;
legenddistanceAirline['Precision Air'] = 45;
legenddistanceAirline['Braathens Regional Airlines'] = 235;
legenddistanceAirline['ITA Airways'] = 882;
legenddistanceAirline['Wizz Air Abu Dhabi'] = 2710;
legenddistanceAirline['Somon Air'] = 189;
legenddistanceAirline['Uzbekistan Airways'] = 189;
legenddistanceAirline['Turkmenistan Airlines'] = 12604;
legenddistanceAirline['Batik Air Malaysia'] = 202;
legenddistanceAirline['Shanghai Airlines'] = 2266;
legenddistanceAirline['Shenzen Airlines'] = 1831;
legenddistanceAirline['Juneyao Airlines'] = 1449;
legenddistanceAirline['Norwegian Air Shuttle'] = 1422;
legenddistanceAirline['OneWorld'] = 549823;
legenddistanceAirline['Star Alliance'] = 198462;
legenddistanceAirline['SkyTeam'] = 96205;
legenddistanceAirline['No Alliance'] = 201688;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 52.6,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (549823)',
						categories: ['British Airways','American Airlines','US Airways','LATAM Brasil','Japan Airlines','Finnair','Qantas','Cathay Pacific','Qatar Airways','Others'],
						data: [19.2,11.4,1.7,1.1,1.9,4.1,1,2.9,6.1,3.2],
						color: colors[0]
					}
				} ,{
					y: 19,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (198462)',
						categories: ['SAS','Swiss','Lufthansa','United Airlines','BMI British Midland','Air China','Turkish Airlines','Ethiopian Airlines','Others'],
						data: [1.7,2.7,4.2,1.1,1.2,1.3,1.7,1.2,3.9],
						color: colors[1]
					}
				} ,{
					y: 9.2,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (96205)',
						categories: ['Air France','KLM Royal Dutch Airlines','Alitalia','Delta','Saudia','Others'],
						data: [2.3,1.6,1.7,1.2,1.3,1.1],
						color: colors[2]
					}
				} ,{
					y: 19.3,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (201688)',
						categories: ['Emirates','Etihad','Tianjin Airlines','Turkmenistan Airlines','Others'],
						data: [4.2,5.2,1,1.2,7.1],
						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 "";
	}
}