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

legenddistanceAlliance['OneWorld'] = 52039;
legenddistanceAlliance['Star Alliance'] = 536335;
legenddistanceAlliance['SkyTeam'] = 937876;
legenddistanceAlliance['No Alliance'] = 57722;
legenddistanceAirline['TAP Portugal'] = 333668;
legenddistanceAirline['Delta'] = 58564;
legenddistanceAirline['Gol'] = 8610;
legenddistanceAirline['Air France'] = 558458;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 232863;
legenddistanceAirline['Continental'] = 48972;
legenddistanceAirline['Alitalia'] = 42582;
legenddistanceAirline['LAN Peru'] = 1427;
legenddistanceAirline['Portugalia'] = 2052;
legenddistanceAirline['AIRPORT-OPERATED'] = 1924;
legenddistanceAirline['SGA Airlines'] = 194;
legenddistanceAirline['Czech Airlines'] = 1587;
legenddistanceAirline['Northwest'] = 20795;
legenddistanceAirline['Turkish Airlines'] = 772;
legenddistanceAirline['Swiss'] = 7889;
legenddistanceAirline['Lufthansa'] = 60894;
legenddistanceAirline['Air One'] = 1512;
legenddistanceAirline['South African Airways'] = 2848;
legenddistanceAirline['Meridiana'] = 1390;
legenddistanceAirline['Varig'] = 8522;
legenddistanceAirline['Air Liberte'] = 1806;
legenddistanceAirline['British Airways'] = 14970;
legenddistanceAirline['SAS'] = 761;
legenddistanceAirline['LAM Mozambique'] = 10402;
legenddistanceAirline['Cathay Pacific'] = 19971;
legenddistanceAirline['Ansett Australia'] = 1225;
legenddistanceAirline['TACV'] = 3462;
legenddistanceAirline['Avianca'] = 3708;
legenddistanceAirline['Austrian Airlines'] = 7256;
legenddistanceAirline['Copa Airlines'] = 668;
legenddistanceAirline['Aeroflot'] = 1524;
legenddistanceAirline['Air Europa'] = 5993;
legenddistanceAirline['Cityjet'] = 426;
legenddistanceAirline['China Eastern'] = 892;
legenddistanceAirline['Thai'] = 9716;
legenddistanceAirline['China Southern'] = 900;
legenddistanceAirline['LATAM Brasil'] = 2447;
legenddistanceAirline['Mesa Airlines'] = 100;
legenddistanceAirline['Hawaiian Airlines'] = 100;
legenddistanceAirline['LOT Polish Airlines'] = 1688;
legenddistanceAirline['Ryanair'] = 688;
legenddistanceAirline['All Nippon Airways'] = 11342;
legenddistanceAirline['Helvetic Airways'] = 923;
legenddistanceAirline['Norwegian Air Shuttle'] = 240;
legenddistanceAirline['Azul Airlines'] = 586;
legenddistanceAirline['Aegean Airlines'] = 2363;
legenddistanceAirline['China Airlines'] = 1002;
legenddistanceAirline['Croatia Airlines'] = 1986;
legenddistanceAirline['Brussels Airlines'] = 1781;
legenddistanceAirline['Luxair'] = 169;
legenddistanceAirline['American Airlines'] = 2172;
legenddistanceAirline['Iberia'] = 6686;
legenddistanceAirline['Finnair'] = 4182;
legenddistanceAirline['SATA Air Acores'] = 996;
legenddistanceAirline['Azores Airlines'] = 2984;
legenddistanceAirline['Virgin Atlantic'] = 6016;
legenddistanceAirline['Aerolineas Argentinas'] = 5490;
legenddistanceAirline['1Time Airlines'] = 504;
legenddistanceAirline['Singapore Airlines'] = 21139;
legenddistanceAirline['Air New Zealand'] = 9683;
legenddistanceAirline['United Airlines'] = 9201;
legenddistanceAirline['Air Dolomiti'] = 315;
legenddistanceAirline['Iberia Express'] = 1100;
legenddistanceAirline['Etihad'] = 5394;
legenddistanceAirline['ITA Airways'] = 1210;
legenddistanceAirline['Emirates'] = 2098;
legenddistanceAirline['Malaysia Airlines'] = 184;
legenddistanceAirline['OneWorld'] = 52039;
legenddistanceAirline['Star Alliance'] = 536335;
legenddistanceAirline['SkyTeam'] = 937876;
legenddistanceAirline['No Alliance'] = 57722;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 3.3,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (52039)',
						categories: ['Cathay Pacific','Others'],
						data: [1.3,2],
						color: colors[0]
					}
				} ,{
					y: 33.9,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (536335)',
						categories: ['TAP Portugal','Continental','Lufthansa','Singapore Airlines','Others'],
						data: [21.1,3.1,3.8,1.3,4.3],
						color: colors[1]
					}
				} ,{
					y: 59.2,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (937876)',
						categories: ['Delta','Air France','KLM Royal Dutch Airlines','Alitalia','Northwest','Others'],
						data: [3.7,35.3,14.7,2.7,1.3,1.7],
						color: colors[2]
					}
				} ,{
					y: 3.6,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (57722)',
						categories: ['Others'],
						data: [3.4],
						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 "";
	}
}