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

legendsectorAlliance['OneWorld'] = 128;
legendsectorAlliance['Star Alliance'] = 102;
legendsectorAlliance['SkyTeam'] = 14;
legendsectorAlliance['No Alliance'] = 200;
legendsectorAirline['Jetstar Airways'] = 34;
legendsectorAirline['Asiana Airlines'] = 4;
legendsectorAirline['Pacific Blue'] = 19;
legendsectorAirline['Qantas'] = 48;
legendsectorAirline['Cathay Pacific'] = 13;
legendsectorAirline['United Airlines'] = 4;
legendsectorAirline['Alaska Airlines'] = 1;
legendsectorAirline['American Airlines'] = 14;
legendsectorAirline['JetBlue'] = 6;
legendsectorAirline['US Airways'] = 2;
legendsectorAirline['Hawaiian Airlines'] = 4;
legendsectorAirline['Bangkok Airways'] = 4;
legendsectorAirline['British Airways'] = 18;
legendsectorAirline['Japan Airlines'] = 3;
legendsectorAirline['Malaysia Airlines'] = 6;
legendsectorAirline['Singapore Airlines'] = 36;
legendsectorAirline['Philippine Airlines'] = 1;
legendsectorAirline['Emirates'] = 9;
legendsectorAirline['Lufthansa'] = 5;
legendsectorAirline['Air India'] = 2;
legendsectorAirline['Thai Air Asia'] = 13;
legendsectorAirline['EgyptAir'] = 2;
legendsectorAirline['Iberia'] = 6;
legendsectorAirline['Air Asia'] = 9;
legendsectorAirline['JetStarAsia'] = 7;
legendsectorAirline['Finnair'] = 4;
legendsectorAirline['Royal Jordanian'] = 3;
legendsectorAirline['Aegean Airlines'] = 3;
legendsectorAirline['Alitalia'] = 1;
legendsectorAirline['Thai'] = 25;
legendsectorAirline['Air Berlin'] = 1;
legendsectorAirline['KLM Royal Dutch Airlines'] = 2;
legendsectorAirline['Turkish Airlines'] = 4;
legendsectorAirline['LATAM Chile'] = 1;
legendsectorAirline['Cubana'] = 3;
legendsectorAirline['AeroMexico'] = 1;
legendsectorAirline['Tsaradia'] = 4;
legendsectorAirline['Korean Air'] = 4;
legendsectorAirline['Croatia Airlines'] = 1;
legendsectorAirline['Brussels Airlines'] = 1;
legendsectorAirline['Vueling'] = 3;
legendsectorAirline['EasyJet'] = 1;
legendsectorAirline['Air Asia X'] = 9;
legendsectorAirline['Austrian Airlines'] = 2;
legendsectorAirline['EVA'] = 2;
legendsectorAirline['Rex'] = 14;
legendsectorAirline['Cebu Pacific'] = 2;
legendsectorAirline['Southwest'] = 3;
legendsectorAirline['Virgin Australia'] = 18;
legendsectorAirline['Air Austral'] = 2;
legendsectorAirline['Etihad'] = 4;
legendsectorAirline['WestJet'] = 1;
legendsectorAirline['Wizz Air'] = 2;
legendsectorAirline['Air New Zealand'] = 7;
legendsectorAirline['Air Tahiti'] = 7;
legendsectorAirline['Air Canada'] = 1;
legendsectorAirline['Air Serbia'] = 1;
legendsectorAirline['Bulgaria Air'] = 1;
legendsectorAirline['Sri Lankan Airlines'] = 6;
legendsectorAirline['Adria Airways'] = 2;
legendsectorAirline['Thai Lion Air'] = 1;
legendsectorAirline['Thai Smile'] = 3;
legendsectorAirline['Thai AirAsiaX'] = 1;
legendsectorAirline['Air Lithuania'] = 1;
legendsectorAirline['Vietnam Airlines'] = 1;
legendsectorAirline['VietJet Air'] = 3;
legendsectorAirline['Indonesia AirAsia'] = 1;
legendsectorAirline['KM Malta Airlines'] = 2;
legendsectorAirline['LC Peru'] = 1;
legendsectorAirline['Batik Air Malaysia'] = 1;
legendsectorAirline['Jeju Air'] = 1;
legendsectorAirline['Jin Air'] = 1;
legendsectorAirline['Scoot'] = 2;
legendsectorAirline['Xiamen Airlines'] = 2;
legendsectorAirline['IndiGo'] = 1;
legendsectorAirline['Tarom'] = 3;
legendsectorAirline['SAS'] = 1;
legendsectorAirline['Qatar Airways'] = 2;
legendsectorAirline['OneWorld'] = 128;
legendsectorAirline['Star Alliance'] = 102;
legendsectorAirline['SkyTeam'] = 14;
legendsectorAirline['No Alliance'] = 200;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 28.8,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (128)',
						categories: ['Qantas','Cathay Pacific','American Airlines','British Airways','Malaysia Airlines','Iberia','Sri Lankan Airlines','Others'],
						data: [10.8,2.9,3.2,4.1,1.4,1.4,1.4,3.9],
						color: colors[0]
					}
				} ,{
					y: 23,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (102)',
						categories: ['Singapore Airlines','Lufthansa','Thai','Air New Zealand','Others'],
						data: [8.1,1.1,5.6,1.6,6.7],
						color: colors[1]
					}
				} ,{
					y: 3.2,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (14)',
						categories: ['Others'],
						data: [3.2],
						color: colors[2]
					}
				} ,{
					y: 45,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (200)',
						categories: ['Jetstar Airways','Pacific Blue','JetBlue','Emirates','Thai Air Asia','Air Asia','JetStarAsia','Air Asia X','Rex','Virgin Australia','Air Tahiti','Others'],
						data: [7.7,4.3,1.4,2,2.9,2,1.6,2,3.2,4.1,1.6,12.4],
						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_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 "";
	}
}