/**
 * @license Highcharts JS v6.1.0 (2018-04-13)
 *
 * (c) 2009-2017 Torstein Honsi
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
	if (typeof module === 'object' && module.exports) {
		module.exports = factory;
	} else {
		factory(Highcharts);
	}
}(function (Highcharts) {
	(function (H) {
		/**
		 * (c) 2009-2017 Torstein Honsi
		 *
		 * License: www.highcharts.com/license
		 */

		var addEvent = H.addEvent,
		    pick = H.pick,
		    wrap = H.wrap,
		    each = H.each,
		    extend = H.extend,
		    isArray = H.isArray,
		    fireEvent = H.fireEvent,
		    Axis = H.Axis,
		    Series = H.Series;

		function stripArguments() {
		    return Array.prototype.slice.call(arguments, 1);
		}

		extend(Axis.prototype, {
		    isInBreak: function (brk, val) {
		        var ret,
		            repeat = brk.repeat || Infinity,
		            from = brk.from,
		            length = brk.to - brk.from,
		            test = (
		                val >= from ?
		                    (val - from) % repeat :
		                    repeat - ((from - val) % repeat)
		            );

		        if (!brk.inclusive) {
		            ret = test < length && test !== 0;
		        } else {
		            ret = test <= length;
		        }
		        return ret;
		    },

		    isInAnyBreak: function (val, testKeep) {

		        var breaks = this.options.breaks,
		            i = breaks && breaks.length,
		            inbrk,
		            keep,
		            ret;


		        if (i) {

		            while (i--) {
		                if (this.isInBreak(breaks[i], val)) {
		                    inbrk = true;
		                    if (!keep) {
		                        keep = pick(
		                            breaks[i].showPoints,
		                            this.isXAxis ? false : true
		                        );
		                    }
		                }
		            }

		            if (inbrk && testKeep) {
		                ret = inbrk && !keep;
		            } else {
		                ret = inbrk;
		            }
		        }
		        return ret;
		    }
		});

		addEvent(Axis, 'afterSetTickPositions', function () {
		    if (this.options.breaks) {
		        var axis = this,
		            tickPositions = this.tickPositions,
		            info = this.tickPositions.info,
		            newPositions = [],
		            i;

		        for (i = 0; i < tickPositions.length; i++) {
		            if (!axis.isInAnyBreak(tickPositions[i])) {
		                newPositions.push(tickPositions[i]);
		            }
		        }

		        this.tickPositions = newPositions;
		        this.tickPositions.info = info;
		    }
		});

		// Force Axis to be not-ordinal when breaks are defined
		addEvent(Axis, 'afterSetOptions', function () {
		    if (this.options.breaks && this.options.breaks.length) {
		        this.options.ordinal = false;
		    }
		});

		addEvent(Axis, 'afterInit', function () {
		    var axis = this,
		        breaks;

		    breaks = this.options.breaks;
		    axis.isBroken = (isArray(breaks) && !!breaks.length);
		    if (axis.isBroken) {
		        axis.val2lin = function (val) {
		            var nval = val,
		                brk,
		                i;

		            for (i = 0; i < axis.breakArray.length; i++) {
		                brk = axis.breakArray[i];
		                if (brk.to <= val) {
		                    nval -= brk.len;
		                } else if (brk.from >= val) {
		                    break;
		                } else if (axis.isInBreak(brk, val)) {
		                    nval -= (val - brk.from);
		                    break;
		                }
		            }

		            return nval;
		        };

		        axis.lin2val = function (val) {
		            var nval = val,
		                brk,
		                i;

		            for (i = 0; i < axis.breakArray.length; i++) {
		                brk = axis.breakArray[i];
		                if (brk.from >= nval) {
		                    break;
		                } else if (brk.to < nval) {
		                    nval += brk.len;
		                } else if (axis.isInBreak(brk, nval)) {
		                    nval += brk.len;
		                }
		            }
		            return nval;
		        };

		        axis.setExtremes = function (
		            newMin,
		            newMax,
		            redraw,
		            animation,
		            eventArguments
		        ) {
		            // If trying to set extremes inside a break, extend it to before and
		            // after the break ( #3857 )
		            while (this.isInAnyBreak(newMin)) {
		                newMin -= this.closestPointRange;
		            }
		            while (this.isInAnyBreak(newMax)) {
		                newMax -= this.closestPointRange;
		            }
		            Axis.prototype.setExtremes.call(
		                this,
		                newMin,
		                newMax,
		                redraw,
		                animation,
		                eventArguments
		            );
		        };

		        axis.setAxisTranslation = function (saveOld) {
		            Axis.prototype.setAxisTranslation.call(this, saveOld);

		            var breaks = axis.options.breaks,
		                breakArrayT = [],    // Temporary one
		                breakArray = [],
		                length = 0,
		                inBrk,
		                repeat,
		                min = axis.userMin || axis.min,
		                max = axis.userMax || axis.max,
		                pointRangePadding = pick(axis.pointRangePadding, 0),
		                start,
		                i;

		            // Min & max check (#4247)
		            each(breaks, function (brk) {
		                repeat = brk.repeat || Infinity;
		                if (axis.isInBreak(brk, min)) {
		                    min += (brk.to % repeat) - (min % repeat);
		                }
		                if (axis.isInBreak(brk, max)) {
		                    max -= (max % repeat) - (brk.from % repeat);
		                }
		            });

		            // Construct an array holding all breaks in the axis
		            each(breaks, function (brk) {
		                start = brk.from;
		                repeat = brk.repeat || Infinity;

		                while (start - repeat > min) {
		                    start -= repeat;
		                }
		                while (start < min) {
		                    start += repeat;
		                }

		                for (i = start; i < max; i += repeat) {
		                    breakArrayT.push({
		                        value: i,
		                        move: 'in'
		                    });
		                    breakArrayT.push({
		                        value: i + (brk.to - brk.from),
		                        move: 'out',
		                        size: brk.breakSize
		                    });
		                }
		            });

		            breakArrayT.sort(function (a, b) {
		                var ret;
		                if (a.value === b.value) {
		                    ret = (a.move === 'in' ? 0 : 1) - (b.move === 'in' ? 0 : 1);
		                } else {
		                    ret = a.value - b.value;
		                }
		                return ret;
		            });

		            // Simplify the breaks
		            inBrk = 0;
		            start = min;

		            each(breakArrayT, function (brk) {
		                inBrk += (brk.move === 'in' ? 1 : -1);

		                if (inBrk === 1 && brk.move === 'in') {
		                    start = brk.value;
		                }
		                if (inBrk === 0) {
		                    breakArray.push({
		                        from: start,
		                        to: brk.value,
		                        len: brk.value - start - (brk.size || 0)
		                    });
		                    length += brk.value - start - (brk.size || 0);
		                }
		            });

		            axis.breakArray = breakArray;

		            // Used with staticScale, and below, the actual axis length when
		            // breaks are substracted.
		            axis.unitLength = max - min - length + pointRangePadding;

		            fireEvent(axis, 'afterBreaks');

		            if (axis.options.staticScale) {
		                axis.transA = axis.options.staticScale;
		            } else if (axis.unitLength) {
		                axis.transA *= (max - axis.min + pointRangePadding) /
		                    axis.unitLength;
		            }

		            if (pointRangePadding) {
		                axis.minPixelPadding = axis.transA * axis.minPointOffset;
		            }

		            axis.min = min;
		            axis.max = max;
		        };
		    }
		});

		wrap(Series.prototype, 'generatePoints', function (proceed) {

		    proceed.apply(this, stripArguments(arguments));

		    var series = this,
		        xAxis = series.xAxis,
		        yAxis = series.yAxis,
		        points = series.points,
		        point,
		        i = points.length,
		        connectNulls = series.options.connectNulls,
		        nullGap;


		    if (xAxis && yAxis && (xAxis.options.breaks || yAxis.options.breaks)) {
		        while (i--) {
		            point = points[i];

		            // Respect nulls inside the break (#4275)
		            nullGap = point.y === null && connectNulls === false;
		            if (
		                !nullGap &&
		                (
		                    xAxis.isInAnyBreak(point.x, true) ||
		                    yAxis.isInAnyBreak(point.y, true)
		                )
		            ) {
		                points.splice(i, 1);
		                if (this.data[i]) {
		                    // Removes the graphics for this point if they exist
		                    this.data[i].destroyElements();
		                }
		            }
		        }
		    }

		});

		function drawPointsWrapped(proceed) {
		    proceed.apply(this);
		    this.drawBreaks(this.xAxis, ['x']);
		    this.drawBreaks(this.yAxis, pick(this.pointArrayMap, ['y']));
		}

		H.Series.prototype.drawBreaks = function (axis, keys) {
		    var series = this,
		        points = series.points,
		        breaks,
		        threshold,
		        eventName,
		        y;

		    if (!axis) {
		        return; // #5950
		    }

		    each(keys, function (key) {
		        breaks = axis.breakArray || [];
		        threshold = axis.isXAxis ?
		            axis.min :
		            pick(series.options.threshold, axis.min);
		        each(points, function (point) {
		            y = pick(point['stack' + key.toUpperCase()], point[key]);
		            each(breaks, function (brk) {
		                eventName = false;

		                if (
		                    (threshold < brk.from && y > brk.to) ||
		                    (threshold > brk.from && y < brk.from)
		                ) {
		                    eventName = 'pointBreak';

		                } else if (
		                    (threshold < brk.from && y > brk.from && y < brk.to) ||
		                    (threshold > brk.from && y > brk.to && y < brk.from)
		                ) {
		                    eventName = 'pointInBreak';
		                }
		                if (eventName) {
		                    fireEvent(axis, eventName, { point: point, brk: brk });
		                }
		            });
		        });
		    });
		};


		/**
		 * Extend getGraphPath by identifying gaps in the data so that we can draw a gap
		 * in the line or area. This was moved from ordinal axis module to broken axis
		 * module as of #5045.
		 */
		H.Series.prototype.gappedPath = function () {
		    var currentDataGrouping = this.currentDataGrouping,
		        groupingSize = currentDataGrouping && currentDataGrouping.totalRange,
		        gapSize = this.options.gapSize,
		        points = this.points.slice(),
		        i = points.length - 1,
		        yAxis = this.yAxis,
		        xRange,
		        stack;

		    /**
		     * Defines when to display a gap in the graph, together with the
		     * [gapUnit](plotOptions.series.gapUnit) option.
		     *
		     * In case when `dataGrouping` is enabled, points can be grouped into a
		     * larger time span. This can make the grouped points to have a greater
		     * distance than the absolute value of `gapSize` property, which will result
		     * in disappearing graph completely. To prevent this situation the mentioned
		     * distance between grouped points is used instead of previously defined
		     * `gapSize`.
		     *
		     * In practice, this option is most often used to visualize gaps in
		     * time series. In a stock chart, intraday data is available for daytime
		     * hours, while gaps will appear in nights and weekends.
		     *
		     * @type    {Number}
		     * @see     [gapUnit](plotOptions.series.gapUnit) and
		     *          [xAxis.breaks](#xAxis.breaks)
		     * @sample  {highstock} stock/plotoptions/series-gapsize/
		     *          Setting the gap size to 2 introduces gaps for weekends in daily
		     *          datasets.
		     * @default 0
		     * @product highstock
		     * @apioption plotOptions.series.gapSize
		     */

		    /**
		     * Together with [gapSize](plotOptions.series.gapSize), this option defines
		     * where to draw gaps in the graph.
		     *
		     * When the `gapUnit` is `relative` (default), a gap size of 5 means
		     * that if the distance between two points is greater than five times
		     * that of the two closest points, the graph will be broken.
		     *
		     * When the `gapUnit` is `value`, the gap is based on absolute axis values,
		     * which on a datetime axis is milliseconds. This also applies to the
		     * navigator series that inherits gap options from the base series.
		     *
		     * @type {String}
		     * @see [gapSize](plotOptions.series.gapSize)
		     * @default relative
		     * @validvalue ["relative", "value"]
		     * @since 5.0.13
		     * @product highstock
		     * @apioption plotOptions.series.gapUnit
		     */

		    if (gapSize && i > 0) { // #5008

		        // Gap unit is relative
		        if (this.options.gapUnit !== 'value') {
		            gapSize *= this.closestPointRange;
		        }

		        // Setting a new gapSize in case dataGrouping is enabled (#7686)
		        if (groupingSize && groupingSize > gapSize) {
		            gapSize = groupingSize;
		        }

		        // extension for ordinal breaks
		        while (i--) {
		            if (points[i + 1].x - points[i].x > gapSize) {
		                xRange = (points[i].x + points[i + 1].x) / 2;

		                points.splice( // insert after this one
		                    i + 1,
		                    0,
		                    {
		                        isNull: true,
		                        x: xRange
		                    }
		                );

		                // For stacked chart generate empty stack items, #6546
		                if (this.options.stacking) {
		                    stack = yAxis.stacks[this.stackKey][xRange] =
		                        new H.StackItem(
		                            yAxis,
		                            yAxis.options.stackLabels,
		                            false,
		                            xRange,
		                            this.stack
		                        );
		                    stack.total = 0;
		                }
		            }
		        }
		    }

		    // Call base method
		    return this.getGraphPath(points);
		};

		wrap(H.seriesTypes.column.prototype, 'drawPoints', drawPointsWrapped);
		wrap(H.Series.prototype, 'drawPoints', drawPointsWrapped);

	}(Highcharts));
}));
