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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 rawDataCount = 2e5;
            // var rawDataCount = 2e2;

            function run() {
                var data = generateOHLC(rawDataCount);
                init(data);
            }

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

                var xValue = +new Date(2011, 0, 1);
                var minute = 60 * 1000;
                var baseValue = Math.random() * 12000;
                var boxVals = 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++) {
                        boxVals[j] = (Math.random() - 0.5) * dayRange + baseValue;
                    }
                    boxVals.sort();

                    var idxRandom = Math.random();
                    var openIdx = Math.round(Math.random() * 3);
                    var closeIdx = Math.round(Math.random() * 2);
                    if (closeIdx === openIdx) {
                        closeIdx++;
                    }
                    var volumn = boxVals[3] * (1000 + Math.random() * 500);

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

                return data;

                function getSign(data, dataIndex, openVal, closeVal, closeDimIdx) {
                    var sign;
                    if (openVal > closeVal) {
                        sign = -1;
                    }
                    else if (openVal < closeVal) {
                        sign = 1;
                    }
                    else {
                        sign = dataIndex > 0
                            // If close === open, compare with close of last record
                            ? (data[dataIndex - 1][closeDimIdx] <= closeVal ? 1 : -1)
                            // No record of previous, set to be positive
                            : 1;
                    }

                    return sign;
                }
            }

            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(rawData) {

                frameInsight.init(echarts, 'duration');

                var upColor = '#ec0000';
                var upBorderColor = '#8A0000';
                var downColor = '#00da3c';
                var downBorderColor = '#008F28';

                var option = {
                    dataset: {
                        source: rawData
                    },
                    backgroundColor: '#eee',
                    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: 'dataMin',
                            max: 'dataMax'
                        },
                        {
                            type: 'category',
                            gridIndex: 1,
                            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
                            }
                        },
                        {
                            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
                        }
                    ],
                    visualMap: {
                        show: false,
                        seriesIndex: 1,
                        dimension: 6,
                        pieces: [{
                            value: 1,
                            color: upColor
                        }, {
                            value: -1,
                            color: downColor
                        }]
                    },
                    series: [
                        {
                            name: 'Data Amount: ' + echarts.format.addCommas(rawDataCount),
                            type: 'candlestick',
                            itemStyle: {
                                color: upColor,
                                color0: downColor,
                                borderColor: upBorderColor,
                                borderColor0: downBorderColor
                            },
                            encode: {
                                x: 0,
                                y: [1, 4, 3, 2]
                            }
                        },
                        {
                            name: 'Volumn',
                            type: 'bar',
                            xAxisIndex: 1,
                            yAxisIndex: 1,
                            itemStyle: {
                                color: '#7fbe9e'
                            },
                            large: true,
                            encode: {
                                x: 0,
                                y: 5
                            }
                        }
                    ]
                };

                var panel = document.getElementById('panel0');
                var chart = testHelper.create(echarts, 'main0', {
                    title: [
                        'Progressive by mod',
                        '(1) Check click legend',
                        '(2) Check visualMap after zoomed to normal mode'
                    ],
                    option: option,
                    height: 550
                });

                // 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>