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

legenddistanceAlliance['OneWorld'] = 272008;
legenddistanceAlliance['Star Alliance'] = 48300;
legenddistanceAlliance['SkyTeam'] = 29596;
legenddistanceAlliance['No Alliance'] = 163141;
legenddistanceAirline['British Airways'] = 209157;
legenddistanceAirline['Virgin Atlantic'] = 23026;
legenddistanceAirline['Etihad'] = 36645;
legenddistanceAirline['Oman Air'] = 14940;
legenddistanceAirline['Ryanair'] = 22301;
legenddistanceAirline['Monarch'] = 888;
legenddistanceAirline['Cayman Airways'] = 626;
legenddistanceAirline['Qantas'] = 2244;
legenddistanceAirline['Jetstar Airways'] = 2226;
legenddistanceAirline['Pacific Coastal Airlines'] = 234;
legenddistanceAirline['Singapore Airlines'] = 22737;
legenddistanceAirline['Harbour Air'] = 0;
legenddistanceAirline['WestJet'] = 427;
legenddistanceAirline['EasyJet'] = 16338;
legenddistanceAirline['Aer Lingus'] = 1064;
legenddistanceAirline['Qatar Airways'] = 42609;
legenddistanceAirline['Bangkok Airways'] = 924;
legenddistanceAirline['Thai'] = 369;
legenddistanceAirline['TAP Portugal'] = 1942;
legenddistanceAirline['Precision Air'] = 564;
legenddistanceAirline['Emirates'] = 24680;
legenddistanceAirline['Meridiana'] = 1466;
legenddistanceAirline['LEVEL'] = 2370;
legenddistanceAirline['United Airlines'] = 9470;
legenddistanceAirline['American Airlines'] = 672;
legenddistanceAirline['IcelandAir'] = 2354;
legenddistanceAirline['Alitalia'] = 1154;
legenddistanceAirline['Wizz Air UK'] = 12558;
legenddistanceAirline['Swiss'] = 1243;
legenddistanceAirline['Air France'] = 930;
legenddistanceAirline['Iberia'] = 8718;
legenddistanceAirline['KLM Royal Dutch Airlines'] = 2180;
legenddistanceAirline['SAS'] = 2518;
legenddistanceAirline['Air Iceland'] = 308;
legenddistanceAirline['LATAM Chile'] = 883;
legenddistanceAirline['Vueling'] = 1076;
legenddistanceAirline['Iberia Express'] = 2407;
legenddistanceAirline['Finnair'] = 5740;
legenddistanceAirline['Malaysia Airlines'] = 1306;
legenddistanceAirline['Vietnam Airlines'] = 730;
legenddistanceAirline['Eastern Airways'] = 394;
legenddistanceAirline['Wizz Air'] = 14193;
legenddistanceAirline['Helvetic Airways'] = 177;
legenddistanceAirline['Lufthansa'] = 6497;
legenddistanceAirline['Aegean Airlines'] = 1508;
legenddistanceAirline['Blue Air'] = 1307;
legenddistanceAirline['TUI Airways'] = 1809;
legenddistanceAirline['Turkish Airlines'] = 2016;
legenddistanceAirline['ITA Airways'] = 897;
legenddistanceAirline['Delta'] = 679;
legenddistanceAirline['Alaska Airlines'] = 679;
legenddistanceAirline['Norwegian Air Shuttle'] = 865;
legenddistanceAirline['OneWorld'] = 272008;
legenddistanceAirline['Star Alliance'] = 48300;
legenddistanceAirline['SkyTeam'] = 29596;
legenddistanceAirline['No Alliance'] = 163141;


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

        var colors = Highcharts.getOptions().colors,


            categories = ['OneWorld','Star Alliance','SkyTeam','No Alliance'],
            name = 'Carriers',
            data = [{
					y: 53,
					color: colors[0],
					drilldown: {
						name: 'OneWorld (272008)',
						categories: ['British Airways','Qatar Airways','Iberia','Finnair','Others'],
						data: [40.8,8.3,1.7,1.1,1.1],
						color: colors[0]
					}
				} ,{
					y: 9.4,
					color: colors[1],
					drilldown: {
						name: 'Star Alliance (48300)',
						categories: ['Singapore Airlines','United Airlines','Lufthansa','Others'],
						data: [4.4,1.8,1.3,1.9],
						color: colors[1]
					}
				} ,{
					y: 5.8,
					color: colors[2],
					drilldown: {
						name: 'SkyTeam (29596)',
						categories: ['Virgin Atlantic','Others'],
						data: [4.5,1.2],
						color: colors[2]
					}
				} ,{
					y: 31.8,
					color: colors[3],
					drilldown: {
						name: 'No Alliance (163141)',
						categories: ['Etihad','Oman Air','Ryanair','EasyJet','Emirates','Wizz Air UK','Wizz Air','Others'],
						data: [7.1,2.9,4.3,3.2,4.8,2.4,2.8,4.4],
						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 "";
	}
}