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


        <div id="main0"></div>
        <div id="panel0"></div>
        <div id="duration"></div>


        <script>

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

            // The data count is from a real requirement.
            var rawDataChunkSize = 1e4;
            var chunkCount = 20;

            var minute = 60 * 1000;
            var xValue = +new Date(2011, 0, 1);
            var baseValue = Math.random() * 12000;
            var xValueMin = 0;
            var xValueMax = rawDataChunkSize * chunkCount;
            var yValueMin = Infinity;
            var yValueMax = -Infinity;

            var rawData = [];
            for (var i = 0; i < chunkCount; i++) {
                rawData.push(generateOHLC(rawDataChunkSize));
            }
            yValueMax = Math.ceil(yValueMax);
            yValueMin = Math.floor(yValueMin);

            function run() {

                frameInsight.init(echarts, 'duration');

                // var data = generateOHLC(rawDataChunkSize);
                var chart = window.chart = init();

                var loadedChunkIndex = 0;

                appendData();

                function appendData() {
                    if (loadedChunkIndex >= chunkCount) {
                        return;
                    }

                    setTimeout(function () {

                        chart.appendData({seriesIndex: 0, data: rawData[loadedChunkIndex]});

                        loadedChunkIndex++;

                        appendData();
                    }, 300);
                }
            }

            function generateOHLC(count) {
                var data = [];

                var tmpVals = new Array(4);
                var dayRange = 12;

                for (var i = 0; i < count; i++) {
                    baseValue = baseValue + Math.random() * 20 - 10;

                    for (var j = 0; j < 4; j++) {
                        tmpVals[j] = (Math.random() - 0.5) * dayRange + baseValue;
                        if (tmpVals[j] < yValueMin) {
                            yValueMin = tmpVals[j];
                        }
                        if (tmpVals[j] > yValueMax) {
                            yValueMax = tmpVals[j];
                        }
                    }
                    tmpVals.sort();

                    var idxRandom = Math.random();
                    var openIdx = Math.round(Math.random() * 3);
                    var closeIdx = Math.round(Math.random() * 2);
                    if (closeIdx === openIdx) {
                        closeIdx++;
                    }

                    // ['open', 'close', 'lowest', 'highest']
                    // [1, 4, 3, 2]
                    data.push([
                        echarts.format.formatTime('yyyy-MM-dd hh:mm:ss', xValue += minute),
                        +tmpVals[openIdx].toFixed(2), // open
                        +tmpVals[3].toFixed(2), // highest
                        +tmpVals[0].toFixed(2), // lowest
                        +tmpVals[closeIdx].toFixed(2)  // close
                    ]);
                }

                return data;
            }

            function calculateMA(dayCount, data) {
                var result = [];
                for (var i = 0, len = data.length; i < len; i++) {
                    if (i < dayCount) {
                        result.push('-');
                        continue;
                    }
                    var sum = 0;
                    for (var j = 0; j < dayCount; j++) {
                        sum += data[i - j][2];
                    }
                    result.push(+(sum / dayCount).toFixed(3));
                }
                return result;
            }

            function init() {

                var option = {
                    backgroundColor: '#eee',
                    // animation: false,
                    legend: {
                        left: 0
                    },
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'line'
                        }
                    },
                    toolbox: {
                        feature: {
                            dataZoom: {
                                yAxisIndex: false
                            },
                            brush: {
                                type: ['polygon', 'rect', 'lineX', 'lineY', 'keep', 'clear']
                            }
                        }
                    },
                    // brush: {
                    //     xAxisIndex: 'all',
                    //     brushLink: 'all',
                    //     outOfBrush: {
                    //         colorAlpha: 0.1
                    //     }
                    // },
                    grid: [
                        {
                            left: '10%',
                            right: '10%',
                            height: 300
                        },
                        // {
                        //     left: '10%',
                        //     right: '10%',
                        //     height: 70,
                        //     bottom: 80
                        // }
                    ],
                    xAxis: [
                        {
                            type: 'category',
                            scale: true,
                            boundaryGap : false,
                            // inverse: true,
                            axisLine: {onZero: false},
                            splitLine: {show: false},
                            splitNumber: 20,
                            min: xValueMin,
                            max: xValueMax
                        },
                        // {
                        //     type: 'category',
                        //     gridIndex: 1,
                        //     data: data.categoryData,
                        //     scale: true,
                        //     boundaryGap : false,
                        //     axisLine: {onZero: false},
                        //     axisTick: {show: false},
                        //     splitLine: {show: false},
                        //     axisLabel: {show: false},
                        //     splitNumber: 20,
                        //     min: 'dataMin',
                        //     max: 'dataMax'
                        // }
                    ],
                    yAxis: [
                        {
                            scale: true,
                            splitArea: {
                                show: true
                            },
                            min: yValueMin,
                            max: yValueMax
                        },
                        // {
                        //     scale: true,
                        //     gridIndex: 1,
                        //     splitNumber: 2,
                        //     axisLabel: {show: false},
                        //     axisLine: {show: false},
                        //     axisTick: {show: false},
                        //     splitLine: {show: false}
                        // }
                    ],
                    dataZoom: [
                        {
                            type: 'inside',
                            // xAxisIndex: [0, 1],
                            // start: 10,
                            // end: 100
                        },
                        {
                            show: true,
                            // xAxisIndex: [0, 1],
                            type: 'slider',
                            bottom: 10,
                            // start: 10,
                            // end: 100
                        }
                    ],
                    series: [
                        {
                            type: 'candlestick',
                            // progressiveMode: 'linear',
                            // data: data,
                            encode: {
                                x: 0,
                                y: [1, 4, 3, 2]
                            },
                            // progressiveChunkMode: 'sequential'
                            // progressive: false
                            // progressive: progressive
                            // tooltip: {
                            //     formatter: function (param) {
                            //         var param = param[0];
                            //         return [
                            //             'Date: ' + param.name + '<hr size=1 style="margin: 3px 0">',
                            //             'Open: ' + param.data[0] + '<br/>',
                            //             'Close: ' + param.data[1] + '<br/>',
                            //             'Lowest: ' + param.data[2] + '<br/>',
                            //             'Highest: ' + param.data[3] + '<br/>'
                            //         ].join('')
                            //     }
                            // }
                        } //,
                        // {
                        //     name: 'MA5',
                        //     type: 'line',
                        //     data: calculateMA(5, data),
                        //     smooth: true,
                        //     lineStyle: {
                        //         normal: {opacity: 0.5}
                        //     }
                        // },
                        // {
                        //     name: 'MA10',
                        //     type: 'line',
                        //     data: calculateMA(10, data),
                        //     smooth: true,
                        //     lineStyle: {
                        //         normal: {opacity: 0.5}
                        //     }
                        // },
                        // {
                        //     name: 'MA20',
                        //     type: 'line',
                        //     data: calculateMA(20, data),
                        //     smooth: true,
                        //     lineStyle: {
                        //         normal: {opacity: 0.5}
                        //     }
                        // },
                        // {
                        //     name: 'MA30',
                        //     type: 'line',
                        //     data: calculateMA(30, data),
                        //     smooth: true,
                        //     lineStyle: {
                        //         normal: {opacity: 0.5}
                        //     }
                        // },
                        // {
                        //     name: 'Volumn',
                        //     type: 'bar',
                        //     xAxisIndex: 1,
                        //     yAxisIndex: 1,
                        //     data: data.volumns
                        // }
                    ]
                };

                var panel = document.getElementById('panel0');
                var chart = testHelper.create(echarts, 'main0', {
                    title: 'Append data and progressive by mod',
                    autoResize: false,
                    option: option,
                    height: 550
                });

                return chart;

                // chart && chart.on('brushSelected', renderBrushed);

                // function renderBrushed(params) {
                //     var sum = 0;
                //     var min = Infinity;
                //     var max = -Infinity;
                //     var countBySeries = [];
                //     var brushComponent = params.batch[0];

                //     var rawIndices = brushComponent.selected[0].dataIndex;
                //     for (var i = 0; i < rawIndices.length; i++) {
                //         var val = data.values[rawIndices[i]][1];
                //         sum += val;
                //         min = Math.min(val, min);
                //         max = Math.max(val, max);
                //     }

                //     panel.innerHTML = [
                //         '<h3>STATISTICS:</h3>',
                //         'SUM of open: ' + (sum / rawIndices.length).toFixed(4) + '<br>',
                //         'MIN of open: ' + min.toFixed(4) + '<br>',
                //         'MAX of open: ' + max.toFixed(4) + '<br>'
                //     ].join(' ');

                // }

                // chart && chart.dispatchAction({
                //     type: 'brush',
                //     areas: [
                //         {
                //             brushType: 'lineX',
                //             coordRange: ['2016-06-02', '2016-06-20'],
                //             xAxisIndex: 0
                //         }
                //     ]
                // });

            }

            run();

        });

        </script>


    </body>
</html>