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

legenddistanceAlliance['OneWorld'] = 164038;
legenddistanceAlliance['Star Alliance'] = 142133;
legenddistanceAlliance['SkyTeam'] = 63703;
legenddistanceAlliance['No Alliance'] = 76920;
legenddistanceAirline['British Airways'] = 111295;
legenddistanceAirline['Aer Lingus'] = 3280;
legenddistanceAirline['Delta'] = 14904;
legenddistanceAirline['JetBlue'] = 263;
legenddistanceAirline['Lufthansa'] = 8783;
legenddistanceAirline['Austrian Airlines'] = 4158;
legenddistanceAirline['BMI British Midland'] = 4258;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 43340;
legenddistanceAirline['Ryanair'] = 12954;
legenddistanceAirline['Norwegian Air Shuttle'] = 4692;
legenddistanceAirline['EasyJet'] = 10912;
legenddistanceAirline['Transavia'] = 4862;
legenddistanceAirline['Brussels Airlines'] = 1251;
legenddistanceAirline['Swiss'] = 5584;
legenddistanceAirline['FlyBe'] = 2610;
legenddistanceAirline['Estonian Air'] = 2256;
legenddistanceAirline['Blue1'] = 5230;
legenddistanceAirline['SAS'] = 4192;
legenddistanceAirline['TAP Portugal'] = 5161;
legenddistanceAirline['Turkish Airlines'] = 4930;
legenddistanceAirline['Malev'] = 1822;
legenddistanceAirline['Aegean Airlines'] = 5666;
legenddistanceAirline['Air France'] = 1203;
legenddistanceAirline['Luxair'] = 218;
legenddistanceAirline['Croatia Airlines'] = 165;
legenddistanceAirline['Lufthansa Cityline'] = 905;
legenddistanceAirline['All Nippon Airways'] = 11938;
legenddistanceAirline['Malaysia Airlines'] = 10842;
legenddistanceAirline['Qantas'] = 20558;
legenddistanceAirline['Pacific Blue'] = 1716;
legenddistanceAirline['Iberia'] = 1225;
legenddistanceAirline['Air Baltic'] = 1494;
legenddistanceAirline['Wizz Air'] = 3002;
legenddistanceAirline['South African Airways'] = 11416;
legenddistanceAirline['American Airlines'] = 8820;
legenddistanceAirline['Martinair'] = 592;
legenddistanceAirline['Alitalia'] = 998;
legenddistanceAirline['Czech Airlines'] = 878;
legenddistanceAirline['IcelandAir'] = 7712;
legenddistanceAirline['LOT Polish Airlines'] = 1370;
legenddistanceAirline['Jetstar Airways'] = 5225;
legenddistanceAirline['Monarch'] = 1048;
legenddistanceAirline['Southwest'] = 413;
legenddistanceAirline['Finnair'] = 1395;
legenddistanceAirline['Air New Zealand'] = 36945;
legenddistanceAirline['Qatar Airways'] = 8081;
legenddistanceAirline['Thai Air Asia'] = 1044;
legenddistanceAirline['Vietnam Airlines'] = 1186;
legenddistanceAirline['Air Macau'] = 831;
legenddistanceAirline['China Southern'] = 386;
legenddistanceAirline['China Eastern'] = 808;
legenddistanceAirline['Virgin Australia'] = 6566;
legenddistanceAirline['Singapore Airlines'] = 34585;
legenddistanceAirline['United Airlines'] = 826;
legenddistanceAirline['OneWorld'] = 164038;
legenddistanceAirline['Star Alliance'] = 142133;
legenddistanceAirline['SkyTeam'] = 63703;
legenddistanceAirline['No Alliance'] = 76920;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 36.7,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (164038)',
						categories: ['British Airways','Malaysia Airlines','Qantas','American Airlines','Qatar Airways','Others'],
						data: [24.9,2.4,4.6,2,1.8,1],
						color: colors[0]
					}
				} ,{
					y: 31.8,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (142133)',
						categories: ['Lufthansa','BMI British Midland','Swiss','TAP Portugal','Turkish Airlines','Aegean Airlines','All Nippon Airways','South African Airways','Air New Zealand','Singapore Airlines','Others'],
						data: [2,1,1.2,1.2,1.1,1.3,2.7,2.6,8.3,7.7,2.8],
						color: colors[1]
					}
				} ,{
					y: 14.3,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (63703)',
						categories: ['Delta','KLM Royal Dutch Airlines','Others'],
						data: [3.3,9.7,1.3],
						color: colors[2]
					}
				} ,{
					y: 17.2,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (76920)',
						categories: ['Ryanair','Norwegian Air Shuttle','EasyJet','Transavia','Blue1','IcelandAir','Jetstar Airways','Virgin Australia','Others'],
						data: [2.9,1.1,2.4,1.1,1.2,1.7,1.2,1.5,4.1],
						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 "";
	}
}