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

legenddistanceAlliance['OneWorld'] = 384435;
legenddistanceAlliance['Star Alliance'] = 152580;
legenddistanceAlliance['SkyTeam'] = 5984;
legenddistanceAlliance['No Alliance'] = 95242;
legenddistanceAirline['British Airways'] = 21185;
legenddistanceAirline['Jetstar Airways'] = 21796;
legenddistanceAirline['Malaysia Airlines'] = 46794;
legenddistanceAirline['Qantas'] = 244196;
legenddistanceAirline['LATAM Chile'] = 4026;
legenddistanceAirline['AIRPORT-OPERATED'] = 2303;
legenddistanceAirline['Pacific Blue'] = 8189;
legenddistanceAirline['Air New Zealand'] = 10605;
legenddistanceAirline['South African Airways'] = 174;
legenddistanceAirline['Condor'] = 2468;
legenddistanceAirline['Vueling'] = 1039;
legenddistanceAirline['Lufthansa'] = 17510;
legenddistanceAirline['Virgin Atlantic'] = 5984;
legenddistanceAirline['Cathay Pacific'] = 46010;
legenddistanceAirline['Fiji Airways'] = 3936;
legenddistanceAirline['Singapore Airlines'] = 35430;
legenddistanceAirline['United Airlines'] = 10290;
legenddistanceAirline['US Airways'] = 2774;
legenddistanceAirline['JetBlue'] = 301;
legenddistanceAirline['Continental'] = 2140;
legenddistanceAirline['Rex'] = 123;
legenddistanceAirline['Brussels Airlines'] = 217;
legenddistanceAirline['BMI British Midland'] = 894;
legenddistanceAirline['Swiss'] = 12145;
legenddistanceAirline['Thai'] = 39416;
legenddistanceAirline['Cathay Dragon'] = 1363;
legenddistanceAirline['Asiana Airlines'] = 7594;
legenddistanceAirline['Ryanair'] = 1697;
legenddistanceAirline['Virgin Australia'] = 34915;
legenddistanceAirline['American Airlines'] = 3352;
legenddistanceAirline['SAS'] = 1953;
legenddistanceAirline['Japan Airlines'] = 7091;
legenddistanceAirline['EasyJet'] = 471;
legenddistanceAirline['Qatar Airways'] = 6539;
legenddistanceAirline['Finnair'] = 1105;
legenddistanceAirline['Emirates'] = 3442;
legenddistanceAirline['Etihad'] = 7486;
legenddistanceAirline['Croatia Airlines'] = 1156;
legenddistanceAirline['Austrian Airlines'] = 385;
legenddistanceAirline['EVA'] = 5578;
legenddistanceAirline['Hawaiian Airlines'] = 7076;
legenddistanceAirline['All Nippon Airways'] = 6748;
legenddistanceAirline['Air Canada'] = 345;
legenddistanceAirline['OneWorld'] = 384435;
legenddistanceAirline['Star Alliance'] = 152580;
legenddistanceAirline['SkyTeam'] = 5984;
legenddistanceAirline['No Alliance'] = 95242;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 60.2,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (384435)',
						categories: ['British Airways','Malaysia Airlines','Qantas','Cathay Pacific','Japan Airlines','Qatar Airways','Others'],
						data: [3.3,7.3,38.3,7.2,1.1,1,1.9],
						color: colors[0]
					}
				} ,{
					y: 23.9,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (152580)',
						categories: ['Air New Zealand','Lufthansa','Singapore Airlines','United Airlines','Swiss','Thai','Asiana Airlines','All Nippon Airways','Others'],
						data: [1.7,2.7,5.6,1.6,1.9,6.2,1.2,1.1,2],
						color: colors[1]
					}
				} ,{
					y: 0.9,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (5984)',
						categories: ['Others'],
						data: [0.9],
						color: colors[2]
					}
				} ,{
					y: 14.9,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (95242)',
						categories: ['Jetstar Airways','Pacific Blue','Virgin Australia','Etihad','Hawaiian Airlines','Others'],
						data: [3.4,1.3,5.5,1.2,1.1,2.5],
						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 "";
	}
}