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

legenddistanceAlliance['OneWorld'] = 315421;
legenddistanceAlliance['Star Alliance'] = 35104;
legenddistanceAlliance['SkyTeam'] = 17160;
legenddistanceAlliance['No Alliance'] = 162871;
legenddistanceAirline['TUI Airways'] = 4822;
legenddistanceAirline['British Airways'] = 222481;
legenddistanceAirline['LOT Polish Airlines'] = 913;
legenddistanceAirline['Thomas Cook (TCX)'] = 91930;
legenddistanceAirline['Ryanair'] = 7817;
legenddistanceAirline['Tunisair'] = 1138;
legenddistanceAirline['China Airlines'] = 1058;
legenddistanceAirline['Eurostar'] = 500;
legenddistanceAirline['Pegasus Airlines'] = 1565;
legenddistanceAirline['Philippines Air Asia'] = 287;
legenddistanceAirline['Hainan Airlines'] = 792;
legenddistanceAirline['Thomson Airways'] = 4288;
legenddistanceAirline['EasyJet'] = 1665;
legenddistanceAirline['Cathay Pacific'] = 18119;
legenddistanceAirline['Turkish Airlines'] = 24114;
legenddistanceAirline['Norwegian Air Shuttle'] = 813;
legenddistanceAirline['American Airlines'] = 49392;
legenddistanceAirline['Lufthansa'] = 3319;
legenddistanceAirline['WestJet'] = 12377;
legenddistanceAirline['Aer Lingus'] = 1002;
legenddistanceAirline['Qatar Airways'] = 10146;
legenddistanceAirline['Easyjet'] = 3780;
legenddistanceAirline['Air Europa'] = 5394;
legenddistanceAirline['Cubana'] = 316;
legenddistanceAirline['US Airways'] = 1583;
legenddistanceAirline['Kuwait Airways'] = 3442;
legenddistanceAirline['Monarch'] = 4819;
legenddistanceAirline['VietJet Air'] = 1091;
legenddistanceAirline['Swiss'] = 963;
legenddistanceAirline['EgyptAir'] = 2487;
legenddistanceAirline['JetBlue'] = 1426;
legenddistanceAirline['Virgin Atlantic'] = 10708;
legenddistanceAirline['Air Malta'] = 347;
legenddistanceAirline['Sun Express'] = 2330;
legenddistanceAirline['Sky'] = 138;
legenddistanceAirline['Volotea'] = 560;
legenddistanceAirline['Olympic Airlines'] = 167;
legenddistanceAirline['Copa Airlines'] = 1610;
legenddistanceAirline['1Time Airlines'] = 79;
legenddistanceAirline['Bmibaby'] = 276;
legenddistanceAirline['Thomas Cook (MT)'] = 9391;
legenddistanceAirline['Hawaiian Airlines'] = 363;
legenddistanceAirline['Finnair'] = 1148;
legenddistanceAirline['Japan Airlines'] = 6237;
legenddistanceAirline['Qantas'] = 6315;
legenddistanceAirline['Jet2'] = 3542;
legenddistanceAirline['Air Canada'] = 1698;
legenddistanceAirline['Wizz Air'] = 1808;
legenddistanceAirline['OneWorld'] = 315421;
legenddistanceAirline['Star Alliance'] = 35104;
legenddistanceAirline['SkyTeam'] = 17160;
legenddistanceAirline['No Alliance'] = 162871;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 59.5,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (315421)',
						categories: ['British Airways','Cathay Pacific','American Airlines','Qatar Airways','Japan Airlines','Qantas','Others'],
						data: [41.9,3.4,9.3,1.9,1.2,1.2,0.5],
						color: colors[0]
					}
				} ,{
					y: 6.6,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (35104)',
						categories: ['Turkish Airlines','Others'],
						data: [4.5,2.1],
						color: colors[1]
					}
				} ,{
					y: 3.2,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (17160)',
						categories: ['Air Europa','Virgin Atlantic','Others'],
						data: [1,2,0.2],
						color: colors[2]
					}
				} ,{
					y: 30.7,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (162871)',
						categories: ['Thomas Cook (TCX)','Ryanair','WestJet','Thomas Cook (MT)','Others'],
						data: [17.3,1.5,2.3,1.8,7.8],
						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 "";
	}
}