/**
 * (c) 2010-2017 Torstein Honsi
 *
 * License: www.highcharts.com/license
 */
'use strict';
import H from './Globals.js';
import './Utilities.js';
import './Color.js';
import './Legend.js';
import './Series.js';
import './Options.js';
var animObject = H.animObject,
    color = H.color,
    each = H.each,
    extend = H.extend,
    isNumber = H.isNumber,
    LegendSymbolMixin = H.LegendSymbolMixin,
    merge = H.merge,
    noop = H.noop,
    pick = H.pick,
    Series = H.Series,
    seriesType = H.seriesType,
    svg = H.svg;
/**
 * The column series type.
 *
 * @constructor seriesTypes.column
 * @augments    Series
 */

/**
 * Column series display one column per value along an X axis.
 *
 * @sample       {highcharts} highcharts/demo/column-basic/ Column chart
 * @sample       {highstock} stock/demo/column/ Column chart
 *
 * @extends      {plotOptions.line}
 * @product      highcharts highstock
 * @excluding    connectNulls,dashStyle,gapSize,gapUnit,linecap,lineWidth,
 *               marker,connectEnds,step
 * @optionparent plotOptions.column
 */
seriesType('column', 'line', {

    /**
     * The corner radius of the border surrounding each column or bar.
     *
     * @type    {Number}
     * @sample  {highcharts} highcharts/plotoptions/column-borderradius/
     *          Rounded columns
     * @default 0
     * @product highcharts highstock
     */
    borderRadius: 0,

    /**
     * When using automatic point colors pulled from the `options.colors`
     * collection, this option determines whether the chart should receive
     * one color per series or one color per point.
     *
     * @type      {Boolean}
     * @see       [series colors](#plotOptions.column.colors)
     * @sample    {highcharts} highcharts/plotoptions/column-colorbypoint-false/
     *            False by default
     * @sample    {highcharts} highcharts/plotoptions/column-colorbypoint-true/
     *            True
     * @default   false
     * @since     2.0
     * @product   highcharts highstock
     * @apioption plotOptions.column.colorByPoint
     */

    /**
     * A series specific or series type specific color set to apply instead
     * of the global [colors](#colors) when [colorByPoint](
     * #plotOptions.column.colorByPoint) is true.
     *
     * @type      {Array<Color>}
     * @since     3.0
     * @product   highcharts highstock
     * @apioption plotOptions.column.colors
     */

    /**
     * When true, each column edge is rounded to its nearest pixel in order
     * to render sharp on screen. In some cases, when there are a lot of
     * densely packed columns, this leads to visible difference in column
     * widths or distance between columns. In these cases, setting `crisp`
     * to `false` may look better, even though each column is rendered
     * blurry.
     *
     * @sample  {highcharts} highcharts/plotoptions/column-crisp-false/
     *          Crisp is false
     * @since   5.0.10
     * @product highcharts highstock
     */
    crisp: true,

    /**
     * Padding between each value groups, in x axis units.
     *
     * @sample  {highcharts} highcharts/plotoptions/column-grouppadding-default/
     *          0.2 by default
     * @sample  {highcharts} highcharts/plotoptions/column-grouppadding-none/
     *          No group padding - all columns are evenly spaced
     * @product highcharts highstock
     */
    groupPadding: 0.2,

    /**
     * Whether to group non-stacked columns or to let them render independent
     * of each other. Non-grouped columns will be laid out individually
     * and overlap each other.
     *
     * @type      {Boolean}
     * @sample    {highcharts} highcharts/plotoptions/column-grouping-false/
     *            Grouping disabled
     * @sample    {highstock} highcharts/plotoptions/column-grouping-false/
     *            Grouping disabled
     * @default   true
     * @since     2.3.0
     * @product   highcharts highstock
     * @apioption plotOptions.column.grouping
     */

    /**
     * @ignore-option
     */
    marker: null, // point options are specified in the base options

    /**
     * The maximum allowed pixel width for a column, translated to the height
     * of a bar in a bar chart. This prevents the columns from becoming
     * too wide when there is a small number of points in the chart.
     *
     * @type      {Number}
     * @see       [pointWidth](#plotOptions.column.pointWidth)
     * @sample    {highcharts} highcharts/plotoptions/column-maxpointwidth-20/
     *            Limited to 50
     * @sample    {highstock} highcharts/plotoptions/column-maxpointwidth-20/
     *            Limited to 50
     * @default   null
     * @since     4.1.8
     * @product   highcharts highstock
     * @apioption plotOptions.column.maxPointWidth
     */

    /**
     * Padding between each column or bar, in x axis units.
     *
     * @sample  {highcharts} highcharts/plotoptions/column-pointpadding-default/
     *          0.1 by default
     * @sample  {highcharts} highcharts/plotoptions/column-pointpadding-025/
     *          0.25
     * @sample  {highcharts} highcharts/plotoptions/column-pointpadding-none/
     *          0 for tightly packed columns
     * @product highcharts highstock
     */
    pointPadding: 0.1,

    /**
     * A pixel value specifying a fixed width for each column or bar. When
     * `null`, the width is calculated from the `pointPadding` and
     * `groupPadding`.
     *
     * @type      {Number}
     * @see       [maxPointWidth](#plotOptions.column.maxPointWidth)
     * @sample    {highcharts} highcharts/plotoptions/column-pointwidth-20/
     *            20px wide columns regardless of chart width or the amount
     *            of data points
     * @default   null
     * @since     1.2.5
     * @product   highcharts highstock
     * @apioption plotOptions.column.pointWidth
     */

    /**
     * The minimal height for a column or width for a bar. By default,
     * 0 values are not shown. To visualize a 0 (or close to zero) point,
     * set the minimal point length to a pixel value like 3\. In stacked
     * column charts, minPointLength might not be respected for tightly
     * packed values.
     *
     * @sample  {highcharts}
     *          highcharts/plotoptions/column-minpointlength/
     *          Zero base value
     * @sample  {highcharts}
     *          highcharts/plotoptions/column-minpointlength-pos-and-neg/
     *          Positive and negative close to zero values
     * @product highcharts highstock
     */
    minPointLength: 0,

    /**
     * When the series contains less points than the crop threshold, all
     * points are drawn, event if the points fall outside the visible plot
     * area at the current zoom. The advantage of drawing all points (including
     * markers and columns), is that animation is performed on updates.
     * On the other hand, when the series contains more points than the
     * crop threshold, the series data is cropped to only contain points
     * that fall within the plot area. The advantage of cropping away invisible
     * points is to increase performance on large series. .
     *
     * @product highcharts highstock
     */
    cropThreshold: 50,

    /**
     * The X axis range that each point is valid for. This determines the
     * width of the column. On a categorized axis, the range will be 1
     * by default (one category unit). On linear and datetime axes, the
     * range will be computed as the distance between the two closest data
     * points.
     *
     * The default `null` means it is computed automatically, but this option
     * can be used to override the automatic value.
     *
     * @type    {Number}
     * @sample  {highcharts} highcharts/plotoptions/column-pointrange/
     *          Set the point range to one day on a data set with one week
     *          between the points
     * @since   2.3
     * @product highcharts highstock
     */
    pointRange: null,

    states: {

        /**
         * Options for the hovered point. These settings override the normal
         * state options when a point is moused over or touched.
         *
         * @extends   plotOptions.series.states.hover
         * @excluding halo,lineWidth,lineWidthPlus,marker
         * @product   highcharts highstock
         */
        hover: {

            /** @ignore-option */
            halo: false,

            /**
             * A specific border color for the hovered point. Defaults to
             * inherit the normal state border color.
             *
             * @type      {Color}
             * @product   highcharts
             * @apioption plotOptions.column.states.hover.borderColor
             */

            /**
             * A specific color for the hovered point.
             *
             * @type      {Color}
             * @default   undefined
             * @product   highcharts
             * @apioption plotOptions.column.states.hover.color
             */

            
        }
        
    },

    dataLabels: {
        align: null, // auto
        verticalAlign: null, // auto
        y: null
    },

    /**
     * When this is true, the series will not cause the Y axis to cross
     * the zero plane (or [threshold](#plotOptions.series.threshold) option)
     * unless the data actually crosses the plane.
     *
     * For example, if `softThreshold` is `false`, a series of 0, 1, 2,
     * 3 will make the Y axis show negative values according to the `minPadding`
     * option. If `softThreshold` is `true`, the Y axis starts at 0.
     *
     * @since   4.1.9
     * @product highcharts highstock
     */
    softThreshold: false,

    // false doesn't work well: http://jsfiddle.net/highcharts/hz8fopan/14/
    /**
     * @ignore-option
     */
    startFromThreshold: true,

    stickyTracking: false,

    tooltip: {
        distance: 6
    },

    /**
     * The Y axis value to serve as the base for the columns, for distinguishing
     * between values above and below a threshold. If `null`, the columns
     * extend from the padding Y axis minimum.
     *
     * @since   2.0
     * @product highcharts
     */
    threshold: 0

    

}, /** @lends seriesTypes.column.prototype */ {
    cropShoulder: 0,
    // When tooltip is not shared, this series (and derivatives) requires direct
    // touch/hover. KD-tree does not apply.
    directTouch: true,
    trackerGroups: ['group', 'dataLabelsGroup'],
    // use separate negative stacks, unlike area stacks where a negative point
    // is substracted from previous (#1910)
    negStacks: true,

    /**
     * Initialize the series. Extends the basic Series.init method by
     * marking other series of the same type as dirty.
     *
     * @function #init
     * @memberOf seriesTypes.column
     *
     */
    init: function () {
        Series.prototype.init.apply(this, arguments);

        var series = this,
            chart = series.chart;

        // if the series is added dynamically, force redraw of other
        // series affected by a new column
        if (chart.hasRendered) {
            each(chart.series, function (otherSeries) {
                if (otherSeries.type === series.type) {
                    otherSeries.isDirty = true;
                }
            });
        }
    },

    /**
     * Return the width and x offset of the columns adjusted for grouping,
     * groupPadding, pointPadding, pointWidth etc.
     */
    getColumnMetrics: function () {

        var series = this,
            options = series.options,
            xAxis = series.xAxis,
            yAxis = series.yAxis,
            reversedXAxis = xAxis.reversed,
            stackKey,
            stackGroups = {},
            columnCount = 0;

        // Get the total number of column type series. This is called on every
        // series. Consider moving this logic to a chart.orderStacks() function
        // and call it on init, addSeries and removeSeries
        if (options.grouping === false) {
            columnCount = 1;
        } else {
            each(series.chart.series, function (otherSeries) {
                var otherOptions = otherSeries.options,
                    otherYAxis = otherSeries.yAxis,
                    columnIndex;
                if (
                    otherSeries.type === series.type &&
                    (
                        otherSeries.visible ||
                        !series.chart.options.chart.ignoreHiddenSeries
                    ) &&
                    yAxis.len === otherYAxis.len &&
                    yAxis.pos === otherYAxis.pos
                ) {  // #642, #2086
                    if (otherOptions.stacking) {
                        stackKey = otherSeries.stackKey;
                        if (stackGroups[stackKey] === undefined) {
                            stackGroups[stackKey] = columnCount++;
                        }
                        columnIndex = stackGroups[stackKey];
                    } else if (otherOptions.grouping !== false) { // #1162
                        columnIndex = columnCount++;
                    }
                    otherSeries.columnIndex = columnIndex;
                }
            });
        }

        var categoryWidth = Math.min(
                Math.abs(xAxis.transA) * (
                    xAxis.ordinalSlope ||
                    options.pointRange ||
                    xAxis.closestPointRange ||
                    xAxis.tickInterval ||
                    1
                ), // #2610
                xAxis.len // #1535
            ),
            groupPadding = categoryWidth * options.groupPadding,
            groupWidth = categoryWidth - 2 * groupPadding,
            pointOffsetWidth = groupWidth / (columnCount || 1),
            pointWidth = Math.min(
                options.maxPointWidth || xAxis.len,
                pick(
                    options.pointWidth,
                    pointOffsetWidth * (1 - 2 * options.pointPadding)
                )
            ),
            pointPadding = (pointOffsetWidth - pointWidth) / 2,
            // #1251, #3737
            colIndex = (series.columnIndex || 0) + (reversedXAxis ? 1 : 0),
            pointXOffset =
                pointPadding +
                (
                    groupPadding +
                    colIndex * pointOffsetWidth -
                    (categoryWidth / 2)
                ) *    (reversedXAxis ? -1 : 1);

        // Save it for reading in linked series (Error bars particularly)
        series.columnMetrics = {
            width: pointWidth,
            offset: pointXOffset
        };
        return series.columnMetrics;

    },

    /**
     * Make the columns crisp. The edges are rounded to the nearest full pixel.
     */
    crispCol: function (x, y, w, h) {
        var chart = this.chart,
            borderWidth = this.borderWidth,
            xCrisp = -(borderWidth % 2 ? 0.5 : 0),
            yCrisp = borderWidth % 2 ? 0.5 : 1,
            right,
            bottom,
            fromTop;

        if (chart.inverted && chart.renderer.isVML) {
            yCrisp += 1;
        }

        // Horizontal. We need to first compute the exact right edge, then round
        // it and compute the width from there.
        if (this.options.crisp) {
            right = Math.round(x + w) + xCrisp;
            x = Math.round(x) + xCrisp;
            w = right - x;
        }

        // Vertical
        bottom = Math.round(y + h) + yCrisp;
        fromTop = Math.abs(y) <= 0.5 && bottom > 0.5; // #4504, #4656
        y = Math.round(y) + yCrisp;
        h = bottom - y;

        // Top edges are exceptions
        if (fromTop && h) { // #5146
            y -= 1;
            h += 1;
        }

        return {
            x: x,
            y: y,
            width: w,
            height: h
        };
    },

    /**
     * Translate each point to the plot area coordinate system and find shape
     * positions
     */
    translate: function () {
        var series = this,
            chart = series.chart,
            options = series.options,
            dense = series.dense =
                series.closestPointRange * series.xAxis.transA < 2,
            borderWidth = series.borderWidth = pick(
                options.borderWidth,
                dense ? 0 : 1  // #3635
            ),
            yAxis = series.yAxis,
            threshold = options.threshold,
            translatedThreshold = series.translatedThreshold =
                yAxis.getThreshold(threshold),
            minPointLength = pick(options.minPointLength, 5),
            metrics = series.getColumnMetrics(),
            pointWidth = metrics.width,
            // postprocessed for border width
            seriesBarW = series.barW =
                Math.max(pointWidth, 1 + 2 * borderWidth),
            pointXOffset = series.pointXOffset = metrics.offset;

        if (chart.inverted) {
            translatedThreshold -= 0.5; // #3355
        }

        // When the pointPadding is 0, we want the columns to be packed tightly,
        // so we allow individual columns to have individual sizes. When
        // pointPadding is greater, we strive for equal-width columns (#2694).
        if (options.pointPadding) {
            seriesBarW = Math.ceil(seriesBarW);
        }

        Series.prototype.translate.apply(series);

        // Record the new values
        each(series.points, function (point) {
            var yBottom = pick(point.yBottom, translatedThreshold),
                safeDistance = 999 + Math.abs(yBottom),
                plotY = Math.min(
                    Math.max(-safeDistance, point.plotY),
                    yAxis.len + safeDistance
                ), // Don't draw too far outside plot area (#1303, #2241, #4264)
                barX = point.plotX + pointXOffset,
                barW = seriesBarW,
                barY = Math.min(plotY, yBottom),
                up,
                barH = Math.max(plotY, yBottom) - barY;

            // Handle options.minPointLength
            if (minPointLength && Math.abs(barH) < minPointLength) {
                barH = minPointLength;
                up = (!yAxis.reversed && !point.negative) ||
                    (yAxis.reversed && point.negative);

                // Reverse zeros if there's no positive value in the series
                // in visible range (#7046)
                if (
                    point.y === threshold &&
                    series.dataMax <= threshold &&
                    yAxis.min < threshold // and if there's room for it (#7311)
                ) {
                    up = !up;
                }

                // If stacked...
                barY = Math.abs(barY - translatedThreshold) > minPointLength ?
                        // ...keep position
                        yBottom - minPointLength :
                        // #1485, #4051
                        translatedThreshold - (up ? minPointLength : 0);
            }

            // Cache for access in polar
            point.barX = barX;
            point.pointWidth = pointWidth;

            // Fix the tooltip on center of grouped columns (#1216, #424, #3648)
            point.tooltipPos = chart.inverted ?
            [
                yAxis.len + yAxis.pos - chart.plotLeft - plotY,
                series.xAxis.len - barX - barW / 2, barH
            ] :
            [barX + barW / 2, plotY + yAxis.pos - chart.plotTop, barH];

            // Register shape type and arguments to be used in drawPoints
            point.shapeType = 'rect';
            point.shapeArgs = series.crispCol.apply(
                series,
                point.isNull ?
                    // #3169, drilldown from null must have a position to work
                    // from #6585, dataLabel should be placed on xAxis, not
                    // floating in the middle of the chart
                    [barX, translatedThreshold, barW, 0] :
                    [barX, barY, barW, barH]
            );
        });

    },

    getSymbol: noop,

    /**
     * Use a solid rectangle like the area series types
     */
    drawLegendSymbol: LegendSymbolMixin.drawRectangle,


    /**
     * Columns have no graph
     */
    drawGraph: function () {
        this.group[
            this.dense ? 'addClass' : 'removeClass'
        ]('highcharts-dense-data');
    },

    

    /**
     * Draw the columns. For bars, the series.group is rotated, so the same
     * coordinates apply for columns and bars. This method is inherited by
     * scatter series.
     */
    drawPoints: function () {
        var series = this,
            chart = this.chart,
            options = series.options,
            renderer = chart.renderer,
            animationLimit = options.animationLimit || 250,
            shapeArgs;

        // draw the columns
        each(series.points, function (point) {
            var plotY = point.plotY,
                graphic = point.graphic,
                verb = graphic && chart.pointCount < animationLimit ?
                    'animate' : 'attr';

            if (isNumber(plotY) && point.y !== null) {
                shapeArgs = point.shapeArgs;

                if (graphic) { // update
                    graphic[verb](
                        merge(shapeArgs)
                    );

                } else {
                    point.graphic = graphic =
                        renderer[point.shapeType](shapeArgs)
                            .add(point.group || series.group);
                }

                // Border radius is not stylable (#6900)
                if (options.borderRadius) {
                    graphic.attr({
                        r: options.borderRadius
                    });
                }

                

                graphic.addClass(point.getClassName(), true);


            } else if (graphic) {
                point.graphic = graphic.destroy(); // #1269
            }
        });
    },

    /**
     * Animate the column heights one by one from zero
     * @param {Boolean} init Whether to initialize the animation or run it
     */
    animate: function (init) {
        var series = this,
            yAxis = this.yAxis,
            options = series.options,
            inverted = this.chart.inverted,
            attr = {},
            translateProp = inverted ? 'translateX' : 'translateY',
            translateStart,
            translatedThreshold;

        if (svg) { // VML is too slow anyway
            if (init) {
                attr.scaleY = 0.001;
                translatedThreshold = Math.min(
                    yAxis.pos + yAxis.len,
                    Math.max(yAxis.pos, yAxis.toPixels(options.threshold))
                );
                if (inverted) {
                    attr.translateX = translatedThreshold - yAxis.len;
                } else {
                    attr.translateY = translatedThreshold;
                }
                series.group.attr(attr);

            } else { // run the animation
                translateStart = series.group.attr(translateProp);
                series.group.animate(
                    { scaleY: 1 },
                    extend(animObject(series.options.animation
                ), {
                    // Do the scale synchronously to ensure smooth updating
                    // (#5030, #7228)
                    step: function (val, fx) {

                        attr[translateProp] =
                            translateStart +
                            fx.pos * (yAxis.pos - translateStart);
                        series.group.attr(attr);
                    }
                }));

                // delete this function to allow it only once
                series.animate = null;
            }
        }
    },

    /**
     * Remove this series from the chart
     */
    remove: function () {
        var series = this,
            chart = series.chart;

        // column and bar series affects other series of the same type
        // as they are either stacked or grouped
        if (chart.hasRendered) {
            each(chart.series, function (otherSeries) {
                if (otherSeries.type === series.type) {
                    otherSeries.isDirty = true;
                }
            });
        }

        Series.prototype.remove.apply(series, arguments);
    }
});


/**
 * A `column` series. If the [type](#series.column.type) option is
 * not specified, it is inherited from [chart.type](#chart.type).
 *
 * @type      {Object}
 * @extends   series,plotOptions.column
 * @excluding connectNulls,dashStyle,dataParser,dataURL,gapSize,gapUnit,linecap,
 *            lineWidth,marker,connectEnds,step
 * @product   highcharts highstock
 * @apioption series.column
 */

/**
 * @excluding halo,lineWidth,lineWidthPlus,marker
 * @product   highcharts highstock
 * @apioption series.column.states.hover
 */

/**
 * @excluding halo,lineWidth,lineWidthPlus,marker
 * @product   highcharts highstock
 * @apioption series.column.states.select
 */

/**
 * An array of data points for the series. For the `column` series type,
 * points can be given in the following ways:
 *
 * 1.  An array of numerical values. In this case, the numerical values
 * will be interpreted as `y` options. The `x` values will be automatically
 * calculated, either starting at 0 and incremented by 1, or from `pointStart`
 * and `pointInterval` given in the series options. If the axis has
 * categories, these will be used. Example:
 *
 *  ```js
 *  data: [0, 5, 3, 5]
 *  ```
 *
 * 2.  An array of arrays with 2 values. In this case, the values correspond
 * to `x,y`. If the first value is a string, it is applied as the name
 * of the point, and the `x` value is inferred.
 *
 *  ```js
 *     data: [
 *         [0, 6],
 *         [1, 2],
 *         [2, 6]
 *     ]
 *  ```
 *
 * 3.  An array of objects with named values. The objects are point
 * configuration objects as seen below. If the total number of data
 * points exceeds the series' [turboThreshold](#series.column.turboThreshold),
 * this option is not available.
 *
 *  ```js
 *     data: [{
 *         x: 1,
 *         y: 9,
 *         name: "Point2",
 *         color: "#00FF00"
 *     }, {
 *         x: 1,
 *         y: 6,
 *         name: "Point1",
 *         color: "#FF00FF"
 *     }]
 *  ```
 *
 * @type      {Array<Object|Array|Number>}
 * @extends   series.line.data
 * @excluding marker
 * @sample    {highcharts} highcharts/chart/reflow-true/
 *            Numerical values
 * @sample    {highcharts} highcharts/series/data-array-of-arrays/
 *            Arrays of numeric x and y
 * @sample    {highcharts} highcharts/series/data-array-of-arrays-datetime/
 *            Arrays of datetime x and y
 * @sample    {highcharts} highcharts/series/data-array-of-name-value/
 *            Arrays of point.name and y
 * @sample    {highcharts} highcharts/series/data-array-of-objects/
 *            Config objects
 * @product   highcharts highstock
 * @apioption series.column.data
 */

/**
 * The color of the border surrounding the column or bar.
 *
 * In styled mode, the border stroke can be set with the `.highcharts-point`
 * rule.
 *
 * @type      {Color}
 * @sample    {highcharts} highcharts/plotoptions/column-bordercolor/
 *            Dark gray border
 * @default   undefined
 * @product   highcharts highstock
 * @apioption series.column.data.borderColor
 */

/**
 * The width of the border surrounding the column or bar.
 *
 * In styled mode, the stroke width can be set with the `.highcharts-point`
 * rule.
 *
 * @type      {Number}
 * @sample    {highcharts} highcharts/plotoptions/column-borderwidth/
 *            2px black border
 * @default   undefined
 * @product   highcharts highstock
 * @apioption series.column.data.borderWidth
 */