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

legenddistanceAlliance['OneWorld'] = 155649;
legenddistanceAlliance['Star Alliance'] = 10235;
legenddistanceAlliance['SkyTeam'] = 6796;
legenddistanceAlliance['No Alliance'] = 26039;
legenddistanceAirline['Qantas'] = 131349;
legenddistanceAirline['Air Chathams'] = 203;
legenddistanceAirline['Air New Zealand'] = 2716;
legenddistanceAirline['Royal Brunei'] = 1426;
legenddistanceAirline['Fiji Airways'] = 3936;
legenddistanceAirline['Jetstar Airways'] = 11304;
legenddistanceAirline['Aeropelican Air Services'] = 87;
legenddistanceAirline['Cathay Pacific'] = 5984;
legenddistanceAirline['British Airways'] = 7444;
legenddistanceAirline['American Airlines'] = 8322;
legenddistanceAirline['Southwest'] = 1020;
legenddistanceAirline['Delta'] = 486;
legenddistanceAirline['Continental'] = 2140;
legenddistanceAirline['Alaska Airlines'] = 678;
legenddistanceAirline['Aerolineas Argentinas'] = 1342;
legenddistanceAirline['Sunshine Express'] = 831;
legenddistanceAirline['Tyrolean Airways'] = 2226;
legenddistanceAirline['Pacific Blue'] = 1941;
legenddistanceAirline['Tiger Airways'] = 292;
legenddistanceAirline['Emirates'] = 1342;
legenddistanceAirline['Virgin Atlantic'] = 4594;
legenddistanceAirline['Ryanair'] = 1666;
legenddistanceAirline['LATAM Chile'] = 1342;
legenddistanceAirline['Air North'] = 780;
legenddistanceAirline['BMI British Midland'] = 150;
legenddistanceAirline['Aer Lingus'] = 164;
legenddistanceAirline['Norwegian Air Shuttle'] = 803;
legenddistanceAirline['SAS'] = 316;
legenddistanceAirline['Cimber Air'] = 658;
legenddistanceAirline['Air Berlin'] = 530;
legenddistanceAirline['Lufthansa'] = 2029;
legenddistanceAirline['EuroWings'] = 244;
legenddistanceAirline['Air France'] = 374;
legenddistanceAirline['OneWorld'] = 155649;
legenddistanceAirline['Star Alliance'] = 10235;
legenddistanceAirline['SkyTeam'] = 6796;
legenddistanceAirline['No Alliance'] = 26039;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 78.3,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (155649)',
						categories: ['Qantas','Cathay Pacific','British Airways','American Airlines','Others'],
						data: [66.1,3,3.7,4.2,1.3],
						color: colors[0]
					}
				} ,{
					y: 5.2,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (10235)',
						categories: ['Air New Zealand','Continental','Tyrolean Airways','Lufthansa','Others'],
						data: [1.4,1.1,1.1,1,0.6],
						color: colors[1]
					}
				} ,{
					y: 3.4,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (6796)',
						categories: ['Virgin Atlantic','Others'],
						data: [2.3,1.1],
						color: colors[2]
					}
				} ,{
					y: 13.1,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (26039)',
						categories: ['Fiji Airways','Jetstar Airways','Pacific Blue','Others'],
						data: [2,5.7,1,4.3],
						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 "";
	}
}