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

legenddistanceAlliance['OneWorld'] = 53774;
legenddistanceAlliance['Star Alliance'] = 117845;
legenddistanceAlliance['SkyTeam'] = 43277;
legenddistanceAlliance['No Alliance'] = 83422;
legenddistanceAirline['United Airlines'] = 36467;
legenddistanceAirline['BMI British Midland'] = 3111;
legenddistanceAirline['Gulf Air'] = 16557;
legenddistanceAirline['Swiss'] = 14492;
legenddistanceAirline['Unknown'] = 252;
legenddistanceAirline['British Airways'] = 31634;
legenddistanceAirline['Buraq Air'] = 411;
legenddistanceAirline['VLM'] = 351;
legenddistanceAirline['Ryanair'] = 3539;
legenddistanceAirline['Transavia'] = 14128;
legenddistanceAirline['Bangkok Airways'] = 699;
legenddistanceAirline['Austrian Airlines'] = 12466;
legenddistanceAirline['Thai'] = 9611;
legenddistanceAirline['Air France'] = 12883;
legenddistanceAirline['Martinair'] = 9830;
legenddistanceAirline['Sabena'] = 10138;
legenddistanceAirline['Aer Lingus'] = 1984;
legenddistanceAirline['KLM uk'] = 808;
legenddistanceAirline['Northwest'] = 8063;
legenddistanceAirline['Air Canada'] = 7444;
legenddistanceAirline['Adria Airways'] = 606;
legenddistanceAirline['Brussels Airlines'] = 2625;
legenddistanceAirline['Lufthansa'] = 15453;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 12514;
legenddistanceAirline['EasyJet'] = 652;
legenddistanceAirline['Alitalia'] = 1612;
legenddistanceAirline['Air One'] = 656;
legenddistanceAirline['EasyJet'] = 5025;
legenddistanceAirline['SAS'] = 394;
legenddistanceAirline['Condor'] = 2468;
legenddistanceAirline['GermanWings'] = 486;
legenddistanceAirline['Continental'] = 12462;
legenddistanceAirline['US Airways'] = 4914;
legenddistanceAirline['American Airlines'] = 6256;
legenddistanceAirline['Turkish Airlines'] = 2714;
legenddistanceAirline['Garuda Indonesia'] = 3211;
legenddistanceAirline['Thalys High Speed Rail'] = 220;
legenddistanceAirline['Iberia'] = 7314;
legenddistanceAirline['Czech Airlines'] = 2566;
legenddistanceAirline['FlyBe'] = 820;
legenddistanceAirline['Vueling'] = 2540;
legenddistanceAirline['Eurostar'] = 1;
legenddistanceAirline['Easyjet'] = 5042;
legenddistanceAirline['LATAM Chile'] = 1766;
legenddistanceAirline['Norwegian Air International'] = 2324;
legenddistanceAirline['Air Baltic'] = 857;
legenddistanceAirline['Virgin Atlantic'] = 5639;
legenddistanceAirline['Finnair'] = 1890;
legenddistanceAirline['Easyjet'] = 423;
legenddistanceAirline['OneWorld'] = 53774;
legenddistanceAirline['Star Alliance'] = 117845;
legenddistanceAirline['SkyTeam'] = 43277;
legenddistanceAirline['No Alliance'] = 83422;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 18,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (53774)',
						categories: ['British Airways','US Airways','American Airlines','Iberia','Others'],
						data: [10.6,1.6,2.1,2.5,1.2],
						color: colors[0]
					}
				} ,{
					y: 39.5,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (117845)',
						categories: ['United Airlines','BMI British Midland','Swiss','Austrian Airlines','Thai','Air Canada','Lufthansa','Continental','Others'],
						data: [12.2,1,4.9,4.2,3.2,2.5,5.2,4.2,2.1],
						color: colors[1]
					}
				} ,{
					y: 14.5,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (43277)',
						categories: ['Air France','Northwest','KLM Royal Dutch Airlines','Virgin Atlantic','Others'],
						data: [4.3,2.7,4.2,1.9,1.4],
						color: colors[2]
					}
				} ,{
					y: 28,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (83422)',
						categories: ['Gulf Air','Ryanair','Transavia','Martinair','Sabena','EasyJet','Garuda Indonesia','Easyjet','Others'],
						data: [5.6,1.2,4.7,3.3,3.4,1.7,1.1,1.7,5.4],
						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 "";
	}
}