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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/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
            .test-title {
                background: #146402;
                color: #fff;
            }

            #snapshot {
                width: 150;
                height: 100;
                background: #fff;
                border: 5px solid rgba(0,0,0,0.5);
            }

        </style>

        <div id="main0"></div>
        <img id="snapshot"/>

        <script>

            function ValueGenerator(baseValue) {
                this._baseValue = baseValue;
            }
            ValueGenerator.prototype.next = function () {
                var value = this._baseValue += Math.random() * 20 - 10;
                return Math.max(0, Math.round(value) + 3000);
            }

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

                var count = 5e5;
                // var count = 1e6;

                var xAxisData = [];
                var data1 = [];
                var data2 = [];
                var generator1 = new ValueGenerator(Math.random() * 1000);
                // var generator2 = new ValueGenerator(Math.random() * 5000);

                for (var i = 0; i < count; i++) {
                    xAxisData.push('category' + i);
                    data1.push(generator1.next().toFixed(2));
                    // data2.push(generator2.next().toFixed(2));
                }

                var option = {
                    title: {
                        text: echarts.format.addCommas(count) + ' Bars',
                        left: 10
                    },
                    legend: {
                        data: ['bar', 'bar2', 'bar3', 'bar4'],
                        align: 'left'
                    },
                    toolbox: {
                        // y: 'bottom',
                        feature: {
                            magicType: {
                                type: ['line', 'bar', 'stack', 'tiled']
                            },
                            dataZoom: {
                                yAxisIndex: false
                            },
                            dataView: {},
                            saveAsImage: {
                                pixelRatio: 2
                            }
                        }
                    },
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'shadow'
                        }
                    },
                    dataZoom: [{
                        type: 'inside'
                    }, {
                        type: 'slider'
                    }],
                    xAxis: {
                        data: xAxisData,
                        silent: false,
                        splitLine: {
                            show: false
                        },
                        splitArea: {
                            show: false
                        }
                    },
                    yAxis: {
                        splitArea: {
                            show: false
                        }
                    },
                    series: [{
                        name: 'bar',
                        type: 'bar',
                        // stack: 'one',
                        data: data1,
                        itemStyle: {
                            color: 'green'
                            // borderColor: 'yellow'
                        },
                        large: true
                        // progressiveChunkMode: 'sequential'
                    // }, {
                    //     show: false,
                    //     name: 'bar2',
                    //     type: 'bar',
                    //     stack: 'one',
                    //     data: data[1]
                    }]
                };

                var chart = testHelper.create(echarts, 'main0', {
                    title: [
                        '(1) Check legend click',
                        '(2) Check `progressiveChunkMode: "mod"` render correct',
                        '(3) Check snapshot rendering when "finished"'
                    ],
                    option: option
                });

                chart.on('finished', function () {
                    var url = chart.getDataURL();
                    var snapshotEl = document.getElementById('snapshot');
                    snapshotEl.src = url;
                });

            });
        </script>
    </body>
</html>