var legendsectorAirline = {};
var legendsectorAlliance = {};

legendsectorAlliance['OneWorld'] = 92;
legendsectorAlliance['Star Alliance'] = 78;
legendsectorAlliance['SkyTeam'] = 57;
legendsectorAlliance['No Alliance'] = 100;
legendsectorAirline['TACA International'] = 3;
legendsectorAirline['United Airlines'] = 4;
legendsectorAirline['Alaska Airlines'] = 3;
legendsectorAirline['Lufthansa'] = 36;
legendsectorAirline['SAS'] = 6;
legendsectorAirline['British Airways'] = 34;
legendsectorAirline['Croatia Airlines'] = 3;
legendsectorAirline['Easyjet'] = 7;
legendsectorAirline['Air Canada'] = 8;
legendsectorAirline['Blue1'] = 2;
legendsectorAirline['LOT Polish Airlines'] = 1;
legendsectorAirline['Virgin America'] = 1;
legendsectorAirline['American Airlines'] = 2;
legendsectorAirline['Delta'] = 4;
legendsectorAirline['Etihad'] = 2;
legendsectorAirline['Swiss'] = 4;
legendsectorAirline['IcelandAir'] = 2;
legendsectorAirline['Air Iceland'] = 2;
legendsectorAirline['Air France'] = 9;
legendsectorAirline['Bmibaby'] = 1;
legendsectorAirline['Cityjet'] = 1;
legendsectorAirline['Thomas Cook (TCX)'] = 4;
legendsectorAirline['TAP Portugal'] = 3;
legendsectorAirline['Air Europa'] = 5;
legendsectorAirline['Air Asia X'] = 3;
legendsectorAirline['Air Asia'] = 20;
legendsectorAirline['BMI British Midland'] = 2;
legendsectorAirline['Alrosa'] = 1;
legendsectorAirline['Gazpromavia'] = 1;
legendsectorAirline['Vladivostok Air'] = 1;
legendsectorAirline['Aeroflot'] = 8;
legendsectorAirline['Alitalia'] = 4;
legendsectorAirline['Ukraine International'] = 3;
legendsectorAirline['Pegasus Airlines'] = 4;
legendsectorAirline['Turkish Airlines'] = 2;
legendsectorAirline['Air Koryo'] = 1;
legendsectorAirline['Cathay Pacific'] = 10;
legendsectorAirline['Cathay Dragon'] = 3;
legendsectorAirline['Malaysia Airlines'] = 20;
legendsectorAirline['Sriwijaya Air'] = 1;
legendsectorAirline['Saudia'] = 8;
legendsectorAirline['Braathens Regional Airlines'] = 1;
legendsectorAirline['Ryanair'] = 1;
legendsectorAirline['China Southern'] = 4;
legendsectorAirline['Biman Bangladesh'] = 1;
legendsectorAirline['Garuda Indonesia'] = 2;
legendsectorAirline['Scoot'] = 1;
legendsectorAirline['Vietnam Airlines'] = 4;
legendsectorAirline['Singapore Airlines'] = 3;
legendsectorAirline['Firefly'] = 1;
legendsectorAirline['Batik Air Malaysia'] = 4;
legendsectorAirline['China Airlines'] = 1;
legendsectorAirline['Korean Air'] = 1;
legendsectorAirline['Shanghai Airlines'] = 1;
legendsectorAirline['China Eastern'] = 1;
legendsectorAirline['Qatar Airways'] = 15;
legendsectorAirline['Cebgo'] = 1;
legendsectorAirline['Sri Lankan Airlines'] = 1;
legendsectorAirline['Philippine Airlines'] = 5;
legendsectorAirline['Royal Brunei'] = 1;
legendsectorAirline['KLM Royal Dutch Airlines'] = 7;
legendsectorAirline['Thai Air Asia'] = 1;
legendsectorAirline['Thai'] = 6;
legendsectorAirline['Azerbaijan Airlines'] = 4;
legendsectorAirline['Cebu Pacific'] = 3;
legendsectorAirline['Royal Jordanian'] = 2;
legendsectorAirline['Loganair'] = 2;
legendsectorAirline['Eastern Airways'] = 4;
legendsectorAirline['FlyBe'] = 6;
legendsectorAirline['EasyJet'] = 1;
legendsectorAirline['LATAM Chile'] = 2;
legendsectorAirline['Gol'] = 1;
legendsectorAirline['OneWorld'] = 92;
legendsectorAirline['Star Alliance'] = 78;
legendsectorAirline['SkyTeam'] = 57;
legendsectorAirline['No Alliance'] = 100;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 28.1,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (92)',
						categories: ['British Airways','Cathay Pacific','Malaysia Airlines','Qatar Airways','Others'],
						data: [10.4,3.1,6.1,4.6,3.9],
						color: colors[0]
					}
				} ,{
					y: 23.9,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (78)',
						categories: ['United Airlines','Lufthansa','SAS','Air Canada','Swiss','Thai','Others'],
						data: [1.2,11,1.8,2.4,1.2,1.8,4.2],
						color: colors[1]
					}
				} ,{
					y: 17.4,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (57)',
						categories: ['Delta','Air France','Air Europa','Aeroflot','Alitalia','Saudia','China Southern','Vietnam Airlines','KLM Royal Dutch Airlines','Others'],
						data: [1.2,2.8,1.5,2.4,1.2,2.4,1.2,1.2,2.1,1.2],
						color: colors[2]
					}
				} ,{
					y: 30.6,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (100)',
						categories: ['Easyjet','Thomas Cook (TCX)','Air Asia','Pegasus Airlines','Batik Air Malaysia','Philippine Airlines','Azerbaijan Airlines','Eastern Airways','FlyBe','Others'],
						data: [2.1,1.2,6.1,1.2,1.2,1.5,1.2,1.2,1.8,12.6],
						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_sector',
                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 +
                        	'%' + getCountsector(this.point.name) : null;
                    }
                }
            }]
        });
    });

});

function getCountsector(airline)
{
	if(legendsectorAirline[airline])
	{
		return " (" + parseInt(legendsectorAirline[airline]).toLocaleString() + ")";
	}
	else
	{
		return "";
	}
}