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

legenddistanceAlliance['OneWorld'] = 89186;
legenddistanceAlliance['Star Alliance'] = 533751;
legenddistanceAlliance['SkyTeam'] = 23893;
legenddistanceAlliance['No Alliance'] = 164590;
legenddistanceAirline['Singapore Airlines'] = 466554;
legenddistanceAirline['Scoot'] = 37382;
legenddistanceAirline['Thai Air Asia'] = 8013;
legenddistanceAirline['Firefly'] = 3717;
legenddistanceAirline['Air Asia'] = 9396;
legenddistanceAirline['Vietnam Airlines'] = 8659;
legenddistanceAirline['Air New Zealand'] = 6974;
legenddistanceAirline['Malaysia Airlines'] = 23102;
legenddistanceAirline['Silkair'] = 19642;
legenddistanceAirline['JetStarAsia'] = 26461;
legenddistanceAirline['Thai'] = 33603;
legenddistanceAirline['British Airways'] = 1666;
legenddistanceAirline['TAP Portugal'] = 618;
legenddistanceAirline['Vueling'] = 1776;
legenddistanceAirline['Ryanair'] = 896;
legenddistanceAirline['Aer Lingus'] = 279;
legenddistanceAirline['Cathay Pacific'] = 14255;
legenddistanceAirline['Lion Air'] = 1038;
legenddistanceAirline['Qantas'] = 17815;
legenddistanceAirline['Swiss'] = 3677;
legenddistanceAirline['Nok Air'] = 413;
legenddistanceAirline['Air Berlin'] = 745;
legenddistanceAirline['JetBlue'] = 5766;
legenddistanceAirline['EasyJet'] = 388;
legenddistanceAirline['EVA'] = 3821;
legenddistanceAirline['Cebu Pacific'] = 188;
legenddistanceAirline['Air Philippines'] = 188;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 6736;
legenddistanceAirline['TransAsia Airways'] = 72;
legenddistanceAirline['Tsaradia'] = 10487;
legenddistanceAirline['Jetstar Airways'] = 3414;
legenddistanceAirline['Myanmar Airways International'] = 1750;
legenddistanceAirline['Virgin Atlantic'] = 3442;
legenddistanceAirline['Virgin America'] = 413;
legenddistanceAirline['Druk Air'] = 3325;
legenddistanceAirline['Cathay Dragon'] = 501;
legenddistanceAirline['Indonesia AirAsia'] = 3732;
legenddistanceAirline['Turkish Airlines'] = 16339;
legenddistanceAirline['Pegasus Airlines'] = 451;
legenddistanceAirline['Qatar Airways'] = 21152;
legenddistanceAirline['Malindo Air'] = 1769;
legenddistanceAirline['Garuda Indonesia'] = 7567;
legenddistanceAirline['Brussels Airlines'] = 433;
legenddistanceAirline['Czech Airlines'] = 252;
legenddistanceAirline['Thai Lion Air'] = 1790;
legenddistanceAirline['Vanilla Air'] = 415;
legenddistanceAirline['All Nippon Airways'] = 432;
legenddistanceAirline['China Airlines'] = 4804;
legenddistanceAirline['Japan Airlines'] = 7242;
legenddistanceAirline['Myanmar National Airlines'] = 1530;
legenddistanceAirline['Thai AirAsiaX'] = 5412;
legenddistanceAirline['JetStar Japan'] = 672;
legenddistanceAirline['IcelandAir'] = 2508;
legenddistanceAirline['SAS'] = 240;
legenddistanceAirline['Alaska Airlines'] = 2436;
legenddistanceAirline['Bamboo Airways'] = 1564;
legenddistanceAirline['VietJet Air'] = 1544;
legenddistanceAirline['Iberia'] = 272;
legenddistanceAirline['Ryanair UK'] = 632;
legenddistanceAirline['Asiana Airlines'] = 534;
legenddistanceAirline['Lufthansa'] = 526;
legenddistanceAirline['OneWorld'] = 89186;
legenddistanceAirline['Star Alliance'] = 533751;
legenddistanceAirline['SkyTeam'] = 23893;
legenddistanceAirline['No Alliance'] = 164590;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 11,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (89186)',
						categories: ['Malaysia Airlines','Cathay Pacific','Qantas','Qatar Airways','Others'],
						data: [2.8,1.8,2.2,2.6,1.6],
						color: colors[0]
					}
				} ,{
					y: 65.8,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (533751)',
						categories: ['Singapore Airlines','Thai','Turkish Airlines','Others'],
						data: [57.5,4.1,2,2.4],
						color: colors[1]
					}
				} ,{
					y: 2.9,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (23893)',
						categories: ['Vietnam Airlines','Others'],
						data: [1.1,1.8],
						color: colors[2]
					}
				} ,{
					y: 20.3,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (164590)',
						categories: ['Scoot','Thai Air Asia','Air Asia','Silkair','JetStarAsia','Tsaradia','Others'],
						data: [4.6,1,1.2,2.4,3.3,1.3,6.6],
						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 "";
	}
}