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

legenddistanceAlliance['OneWorld'] = 870738;
legenddistanceAlliance['Star Alliance'] = 1115696;
legenddistanceAlliance['SkyTeam'] = 136867;
legenddistanceAlliance['No Alliance'] = 63910;
legenddistanceAirline['Lufthansa'] = 343624;
legenddistanceAirline['American Airlines'] = 285330;
legenddistanceAirline['British Airways'] = 85522;
legenddistanceAirline['Qantas'] = 24661;
legenddistanceAirline['United Airlines'] = 223841;
legenddistanceAirline['Air France'] = 17765;
legenddistanceAirline['BMI British Midland'] = 1574;
legenddistanceAirline['Alaska Airlines'] = 19425;
legenddistanceAirline['Swiss'] = 55849;
legenddistanceAirline['Austrian Airlines'] = 13535;
legenddistanceAirline['Singapore Airlines'] = 95833;
legenddistanceAirline['EasyJet'] = 564;
legenddistanceAirline['Virgin Atlantic'] = 51452;
legenddistanceAirline['Continental'] = 8208;
legenddistanceAirline['US Airways'] = 25591;
legenddistanceAirline['Condor'] = 13606;
legenddistanceAirline['Air Canada'] = 65848;
legenddistanceAirline['LTU'] = 11590;
legenddistanceAirline['Cathay Pacific'] = 139430;
legenddistanceAirline['Delta'] = 14915;
legenddistanceAirline['Asiana Airlines'] = 13416;
legenddistanceAirline['All Nippon Airways'] = 63633;
legenddistanceAirline['Korean Air'] = 41745;
legenddistanceAirline['Japan Airlines'] = 118379;
legenddistanceAirline['Thai'] = 165721;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 2076;
legenddistanceAirline['Pacific Blue'] = 2038;
legenddistanceAirline['Air China'] = 46200;
legenddistanceAirline['Alitalia'] = 1001;
legenddistanceAirline['Silkair'] = 1796;
legenddistanceAirline['Cathay Dragon'] = 2874;
legenddistanceAirline['China Airlines'] = 7913;
legenddistanceAirline['Emirates'] = 16039;
legenddistanceAirline['TAP Portugal'] = 1198;
legenddistanceAirline['Thai Air Asia'] = 1099;
legenddistanceAirline['America West'] = 235;
legenddistanceAirline['Sri Lankan Airlines'] = 4196;
legenddistanceAirline['Malaysia Airlines'] = 100180;
legenddistanceAirline['Air Berlin'] = 946;
legenddistanceAirline['Qatar Airways'] = 46409;
legenddistanceAirline['Air India'] = 4316;
legenddistanceAirline['Scoot'] = 875;
legenddistanceAirline['Gulfstream International'] = 2011;
legenddistanceAirline['Air New Zealand'] = 5225;
legenddistanceAirline['Turkish Airlines'] = 5963;
legenddistanceAirline['Etihad'] = 6174;
legenddistanceAirline['EgyptAir'] = 1477;
legenddistanceAirline['Royal Jordanian'] = 4372;
legenddistanceAirline['Air Asia'] = 1849;
legenddistanceAirline['Jin Air'] = 534;
legenddistanceAirline['Iberia'] = 7272;
legenddistanceAirline['Tsaradia'] = 875;
legenddistanceAirline['Bangkok Airways'] = 1570;
legenddistanceAirline['Thai Smile'] = 2411;
legenddistanceAirline['EuroWings'] = 879;
legenddistanceAirline['Finnair'] = 6151;
legenddistanceAirline['OneWorld'] = 870738;
legenddistanceAirline['Star Alliance'] = 1115696;
legenddistanceAirline['SkyTeam'] = 136867;
legenddistanceAirline['No Alliance'] = 63910;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 39.8,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (870738)',
						categories: ['American Airlines','British Airways','Qantas','US Airways','Cathay Pacific','Japan Airlines','Malaysia Airlines','Qatar Airways','Others'],
						data: [13,3.9,1.1,1.2,6.4,5.4,4.6,2.1,2],
						color: colors[0]
					}
				} ,{
					y: 51,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (1115696)',
						categories: ['Lufthansa','United Airlines','Swiss','Singapore Airlines','Air Canada','All Nippon Airways','Thai','Air China','Others'],
						data: [15.7,10.2,2.6,4.4,3,2.9,7.6,2.1,2.6],
						color: colors[1]
					}
				} ,{
					y: 6.3,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (136867)',
						categories: ['Virgin Atlantic','Korean Air','Others'],
						data: [2.4,1.9,2],
						color: colors[2]
					}
				} ,{
					y: 2.9,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (63910)',
						categories: ['Others'],
						data: [2.8],
						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 "";
	}
}