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<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src='lib/jquery.min.js'></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
            }
        </style>
        <div id="main"></div>
        <script>

            require([
                'echarts'
            ], function (echarts) {

                var chart = echarts.init(document.getElementById('main'));

                $.getJSON('./data/aqi/aqi-beijing.json', function(data) {
                    var option = {
                        title: {
                            text: 'Beijing AQI',
                            subtext: 'Fix #12388'
                        },
                        tooltip: {
                            trigger: 'axis'
                        },
                        xAxis: {
                            data: data.map(function (item) {
                                return item[0];
                            })
                        },
                        yAxis: {
                            splitLine: {
                                show: false
                            }
                        },
                        toolbox: {
                            left: 'center',
                            feature: {
                                dataZoom: {
                                    yAxisIndex: 'none'
                                },
                                restore: {},
                                saveAsImage: {}
                            }
                        },
                        dataZoom: [{
                            startValue: '2014-06-01'
                        }, {
                            type: 'inside'
                        }],
                        visualMap: {
                            top: 10,
                            right: 10,
                            pieces: [{
                                gt: 0,
                                lte: 50,
                                color: '#096'
                            }, {
                                gt: 50,
                                lte: 100,
                                color: '#ffde33'
                            }, {
                                gt: 100,
                                lte: 150,
                                color: '#ff9933'
                            }, {
                                gt: 150,
                                lte: 200,
                                color: '#cc0033'
                            }, {
                                gt: 200,
                                lte: 300,
                                color: '#660099'
                            }, {
                                gt: 300,
                                color: '#7e0023'
                            }],
                            outOfRange: {
                                color: '#999'
                            }
                        },
                        series: [{
                            name: 'Beijing AQI',
                            type: 'line',
                            data: data.map(function (item) {
                                return item[1];
                            }),
                            markLine: {
                                silent: true,
                                // symbol: 'triangle',
                                symbolRotate: [20, 45],
                                data: [
                                [
                                    {name: 'rotation not specified', coord: ['2014-06-20', 300], symbol: 'arrow'},
                                    {coord: ['2014-07-18', 320], symbol: 'triangle'}
                                ],
                                {
                                    yAxis: 50,
                                    // symbolRotate: 0,
                                    // symbolRotate: null,
                                    symbol: 'triangle',
                                    symbolSize: 20
                                },{
                                    yAxis: 100,
                                    symbolRotate: 80,
                                    symbol: 'rect',
                                    symbolSize: 20
                                }, {
                                    yAxis: 150,
                                    symbol: 'roundRect',
                                    symbolRotate: 40
                                },
                                {
                                    yAxis: 200,
                                    symbol: 'diamond',
                                    symbolRotate: 45
                                },
                                {
                                    yAxis: 250,
                                    symbol: 'pin',
                                    symbolRotate: 45
                                },
                                {
                                    yAxis: 300,
                                    symbol: 'circle',
                                    symbolRotate: 90
                                },
                                [{
                                    symbol: 'rect',
                                    x: '90%',
                                    yAxis: 'average',
                                    symbolRotate: 0,
                                    symbolOffset: [50, 0]
                                }, {
                                    symbol: 'triangle',
                                    symbolRotate: 130,
                                   // symbolOffset: [-50, 0],
                                    label: {
                                        position: 'start',
                                        formatter: 'Average',
                                        distance: 10
                                    },
                                    type: 'average',
                                    lineStyle: {
                                        color: '#14c4ba'
                                    }
                                }
                                ]
                                ]
                            }
                        }]
                    };

                    chart.setOption(option);
                })

                window.onresize = chart.resize;
            });

        </script>
    </body>
</html>