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

legenddistanceAlliance['OneWorld'] = 234904;
legenddistanceAlliance['Star Alliance'] = 213995;
legenddistanceAlliance['SkyTeam'] = 99520;
legenddistanceAlliance['No Alliance'] = 324115;
legenddistanceAirline['American Airlines'] = 76486;
legenddistanceAirline['Alaska Airlines'] = 711;
legenddistanceAirline['Cathay Pacific'] = 19300;
legenddistanceAirline['LOT Polish Airlines'] = 13219;
legenddistanceAirline['JetBlue'] = 119846;
legenddistanceAirline['AirTran'] = 214;
legenddistanceAirline['United Airlines'] = 99637;
legenddistanceAirline['Virgin America'] = 27119;
legenddistanceAirline['Qantas'] = 54545;
legenddistanceAirline['Pacific Blue'] = 26973;
legenddistanceAirline['British Airways'] = 13083;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 14304;
legenddistanceAirline['Air France'] = 9960;
legenddistanceAirline['Jetstar Airways'] = 5336;
legenddistanceAirline['Air Asia X'] = 11993;
legenddistanceAirline['Air Asia'] = 7853;
legenddistanceAirline['Firefly'] = 288;
legenddistanceAirline['Spanair'] = 771;
legenddistanceAirline['Transavia'] = 1574;
legenddistanceAirline['Continental'] = 4672;
legenddistanceAirline['Ryanair'] = 1250;
legenddistanceAirline['Air Europa'] = 1346;
legenddistanceAirline['Iberia'] = 4660;
legenddistanceAirline['Swiss'] = 897;
legenddistanceAirline['Lufthansa'] = 2794;
legenddistanceAirline['Scoot'] = 5346;
legenddistanceAirline['JetStarAsia'] = 17742;
legenddistanceAirline['Qatar Airways'] = 6643;
legenddistanceAirline['Cebu Pacific'] = 2175;
legenddistanceAirline['Valuair'] = 1090;
legenddistanceAirline['LATAM Chile'] = 11160;
legenddistanceAirline['Air New Zealand'] = 18719;
legenddistanceAirline['Southwest'] = 25667;
legenddistanceAirline['Singapore Airlines'] = 49302;
legenddistanceAirline['Thai Air Asia'] = 1293;
legenddistanceAirline['Japan Airlines'] = 10094;
legenddistanceAirline['Hawaiian Airlines'] = 17167;
legenddistanceAirline['US Airways'] = 3134;
legenddistanceAirline['Tiger Airways'] = 1672;
legenddistanceAirline['Air Canada'] = 8344;
legenddistanceAirline['EasyJet'] = 611;
legenddistanceAirline['Thai'] = 6013;
legenddistanceAirline['Delta'] = 48396;
legenddistanceAirline['Air Berlin'] = 14070;
legenddistanceAirline['Wizz Air'] = 5002;
legenddistanceAirline['Etihad'] = 3470;
legenddistanceAirline['Finnair'] = 21018;
legenddistanceAirline['Alitalia'] = 5001;
legenddistanceAirline['All Nippon Airways'] = 9627;
legenddistanceAirline['Tsaradia'] = 892;
legenddistanceAirline['Shanghai Airlines'] = 2351;
legenddistanceAirline['Virgin Atlantic'] = 18162;
legenddistanceAirline['Comair'] = 1576;
legenddistanceAirline['Frontier Airlines'] = 6156;
legenddistanceAirline['Spirit Airlines'] = 31024;
legenddistanceAirline['Gulfstream International'] = 786;
legenddistanceAirline['OneWorld'] = 234904;
legenddistanceAirline['Star Alliance'] = 213995;
legenddistanceAirline['SkyTeam'] = 99520;
legenddistanceAirline['No Alliance'] = 324115;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 26.9,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (234904)',
						categories: ['American Airlines','Cathay Pacific','Qantas','British Airways','LATAM Chile','Japan Airlines','Air Berlin','Finnair','Others'],
						data: [8.8,2.2,6.3,1.5,1.3,1.2,1.6,2.4,1.8],
						color: colors[0]
					}
				} ,{
					y: 24.5,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (213995)',
						categories: ['LOT Polish Airlines','United Airlines','Air New Zealand','Singapore Airlines','Air Canada','All Nippon Airways','Others'],
						data: [1.5,11.4,2.1,5.7,1,1.1,1.7],
						color: colors[1]
					}
				} ,{
					y: 11.4,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (99520)',
						categories: ['KLM Royal Dutch Airlines','Air France','Delta','Virgin Atlantic','Others'],
						data: [1.6,1.1,5.5,2.1,1.1],
						color: colors[2]
					}
				} ,{
					y: 37.1,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (324115)',
						categories: ['JetBlue','Virgin America','Pacific Blue','Air Asia X','JetStarAsia','Southwest','Hawaiian Airlines','Spirit Airlines','Others'],
						data: [13.7,3.1,3.1,1.4,2,2.9,2,3.6,5.2],
						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 "";
	}
}