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

legenddistanceAlliance['OneWorld'] = 357639;
legenddistanceAlliance['Star Alliance'] = 782592;
legenddistanceAlliance['SkyTeam'] = 103952;
legenddistanceAlliance['No Alliance'] = 315933;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 16022;
legenddistanceAirline['Ryanair'] = 124151;
legenddistanceAirline['Singapore Airlines'] = 223343;
legenddistanceAirline['LOT Polish Airlines'] = 5718;
legenddistanceAirline['TUI Airways'] = 1358;
legenddistanceAirline['Wizz Air'] = 10993;
legenddistanceAirline['Cathay Pacific'] = 76045;
legenddistanceAirline['Ethiopian Airlines'] = 81539;
legenddistanceAirline['British Airways'] = 116314;
legenddistanceAirline['Bmibaby'] = 7795;
legenddistanceAirline['Jetstar Airways'] = 2012;
legenddistanceAirline['EasyJet'] = 11424;
legenddistanceAirline['Jet2'] = 7109;
legenddistanceAirline['Etihad'] = 56759;
legenddistanceAirline['Air Arabia'] = 310;
legenddistanceAirline['BMI British Midland'] = 32364;
legenddistanceAirline['United Airlines'] = 3292;
legenddistanceAirline['Air Asia'] = 2664;
legenddistanceAirline['Siem Reap Airways'] = 146;
legenddistanceAirline['Vietnam Airlines'] = 1128;
legenddistanceAirline['Asiana Airlines'] = 10953;
legenddistanceAirline['Thai'] = 100207;
legenddistanceAirline['Qantas'] = 35420;
legenddistanceAirline['Air New Zealand'] = 60837;
legenddistanceAirline['Lufthansa'] = 80919;
legenddistanceAirline['Spanair'] = 770;
legenddistanceAirline['AIRPORT-OPERATED'] = 1921;
legenddistanceAirline['Pacific Blue'] = 6595;
legenddistanceAirline['China Airlines'] = 1546;
legenddistanceAirline['Swiss'] = 28391;
legenddistanceAirline['US Airways'] = 2478;
legenddistanceAirline['SAS'] = 10593;
legenddistanceAirline['Austrian Airlines'] = 2461;
legenddistanceAirline['Emirates'] = 17222;
legenddistanceAirline['Alitalia'] = 5101;
legenddistanceAirline['Silkair'] = 702;
legenddistanceAirline['Turkish Airlines'] = 49783;
legenddistanceAirline['South African Airways'] = 46372;
legenddistanceAirline['Qatar Airways'] = 61458;
legenddistanceAirline['Thai Air Asia'] = 1164;
legenddistanceAirline['Air Canada'] = 9582;
legenddistanceAirline['TAP Portugal'] = 14429;
legenddistanceAirline['EasyJet'] = 6653;
legenddistanceAirline['Shanghai Airlines'] = 800;
legenddistanceAirline['Air China'] = 2474;
legenddistanceAirline['Continental'] = 3345;
legenddistanceAirline['Monarch'] = 3479;
legenddistanceAirline['Air France'] = 58635;
legenddistanceAirline['Cathay Dragon'] = 5417;
legenddistanceAirline['FlyBe'] = 2534;
legenddistanceAirline['Blue Panorama'] = 286;
legenddistanceAirline['LATAM Chile'] = 19112;
legenddistanceAirline['LATAM Brasil'] = 1764;
legenddistanceAirline['Iberia'] = 20773;
legenddistanceAirline['Flydubai'] = 530;
legenddistanceAirline['Royal Jordanian'] = 3806;
legenddistanceAirline['Malaysia Airlines'] = 10371;
legenddistanceAirline['EgyptAir'] = 7378;
legenddistanceAirline['United Airways (BD)'] = 284;
legenddistanceAirline['Air Berlin'] = 3195;
legenddistanceAirline['Varig'] = 325;
legenddistanceAirline['Air Malta'] = 1455;
legenddistanceAirline['Easyjet'] = 8477;
legenddistanceAirline['Blue Air'] = 778;
legenddistanceAirline['Air Serbia'] = 1273;
legenddistanceAirline['Cambodia Bayon Airlines'] = 146;
legenddistanceAirline['Pegasus Airlines'] = 3320;
legenddistanceAirline['Air India'] = 707;
legenddistanceAirline['Air Asia Zest'] = 215;
legenddistanceAirline['Cebu Pacific'] = 919;
legenddistanceAirline['Aer Lingus'] = 443;
legenddistanceAirline['Tuifly'] = 2219;
legenddistanceAirline['Thomas Cook (MT)'] = 5991;
legenddistanceAirline['Virgin Atlantic'] = 17984;
legenddistanceAirline['Brussels Airlines'] = 333;
legenddistanceAirline['Oman Air'] = 1096;
legenddistanceAirline['Vueling'] = 112;
legenddistanceAirline['Norwegian Air Shuttle'] = 931;
legenddistanceAirline['EuroWings'] = 408;
legenddistanceAirline['Czech Airlines'] = 736;
legenddistanceAirline['Kenya Airways'] = 1179;
legenddistanceAirline['SATA Air Acores'] = 309;
legenddistanceAirline['Azores Airlines'] = 2123;
legenddistanceAirline['Gol'] = 753;
legenddistanceAirline['Azul Airlines'] = 1145;
legenddistanceAirline['Copa Airlines'] = 6395;
legenddistanceAirline['AeroMexico'] = 821;
legenddistanceAirline['VivaAerobus'] = 889;
legenddistanceAirline['Airlink'] = 4425;
legenddistanceAirline['Cemair'] = 789;
legenddistanceAirline['Gulf Air'] = 6616;
legenddistanceAirline['Sri Lankan Airlines'] = 1486;
legenddistanceAirline['FlySafair'] = 2995;
legenddistanceAirline['Avianca'] = 407;
legenddistanceAirline['Ryanair UK'] = 1690;
legenddistanceAirline['OneWorld'] = 357639;
legenddistanceAirline['Star Alliance'] = 782592;
legenddistanceAirline['SkyTeam'] = 103952;
legenddistanceAirline['No Alliance'] = 315933;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 22.9,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (357639)',
						categories: ['Cathay Pacific','British Airways','Qantas','Qatar Airways','LATAM Chile','Iberia','Others'],
						data: [4.9,7.5,2.3,3.9,1.2,1.3,1.8],
						color: colors[0]
					}
				} ,{
					y: 50.2,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (782592)',
						categories: ['Singapore Airlines','Ethiopian Airlines','BMI British Midland','Thai','Air New Zealand','Lufthansa','Swiss','Turkish Airlines','South African Airways','Others'],
						data: [14.3,5.2,2.1,6.4,3.9,5.2,1.8,3.2,3,5],
						color: colors[1]
					}
				} ,{
					y: 6.7,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (103952)',
						categories: ['KLM Royal Dutch Airlines','Air France','Virgin Atlantic','Others'],
						data: [1,3.8,1.2,0.8],
						color: colors[2]
					}
				} ,{
					y: 20.3,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (315933)',
						categories: ['Ryanair','Etihad','Emirates','Others'],
						data: [8,3.6,1.1,7.3],
						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 "";
	}
}