/**
 * @license Highcharts JS v7.1.3 (2019-08-14)
 *
 * Item series type for Highcharts
 *
 * (c) 2019 Torstein Honsi
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        factory['default'] = factory;
        module.exports = factory;
    } else if (typeof define === 'function' && define.amd) {
        define('highcharts/modules/item-series', ['highcharts'], function (Highcharts) {
            factory(Highcharts);
            factory.Highcharts = Highcharts;
            return factory;
        });
    } else {
        factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
    }
}(function (Highcharts) {
    var _modules = Highcharts ? Highcharts._modules : {};
    function _registerModule(obj, path, args, fn) {
        if (!obj.hasOwnProperty(path)) {
            obj[path] = fn.apply(null, args);
        }
    }
    _registerModule(_modules, 'modules/item-series.src.js', [_modules['parts/Globals.js'], _modules['parts/Utilities.js']], function (H, U) {
        /* *
         *
         *  (c) 2019 Torstein Honsi
         *
         *  Item series type for Highcharts
         *
         *  License: www.highcharts.com/license
         *
         * */



        var defined = U.defined,
            isNumber = U.isNumber,
            objectEach = U.objectEach;


        var extend = H.extend,
            merge = H.merge,
            piePoint = H.seriesTypes.pie.prototype.pointClass.prototype;

        /**
         * The item series type.
         *
         * @requires module:modules/item-series
         *
         * @private
         * @class
         * @name Highcharts.seriesTypes.item
         *
         * @augments Highcharts.seriesTypes.pie
         */
        H.seriesType(
            'item',
            // Inherits pie as the most tested non-cartesian series with individual
            // point legend, tooltips etc. Only downside is we need to re-enable
            // marker options.
            'pie',
            /**
             * An item chart is an infographic chart where a number of items are laid
             * out in either a rectangular or circular pattern. It can be used to
             * visualize counts within a group, or for the circular pattern, typically
             * a parliament.
             *
             * The circular layout has much in common with a pie chart. Many of the item
             * series options, like `center`, `size` and data label positioning, are
             * inherited from the pie series and don't apply for rectangular layouts.
             *
             * @sample       highcharts/demo/parliament-chart
             *               Parliament chart (circular item chart)
             * @sample       highcharts/series-item/rectangular
             *               Rectangular item chart
             * @sample       highcharts/series-item/symbols
             *               Infographic with symbols
             *
             * @extends      plotOptions.pie
             * @since        7.1.0
             * @product      highcharts
             * @excluding    borderColor, borderWidth, depth, dragDrop, linecap, shadow,
             *               slicedOffset
             * @optionparent plotOptions.item
             */
            {
                /**
                 * In circular view, the end angle of the item layout, in degrees where
                 * 0 is up.
                 *
                 * @sample highcharts/demo/parliament-chart
                 *         Parliament chart
                 * @type {undefined|number}
                 */
                endAngle: undefined,
                /**
                 * In circular view, the size of the inner diameter of the circle. Can
                 * be a percentage or pixel value. Percentages are relative to the outer
                 * perimeter. Pixel values are given as integers.
                 *
                 * If the `rows` option is set, it overrides the `innerSize` setting.
                 *
                 * @sample highcharts/demo/parliament-chart
                 *         Parliament chart
                 * @type {string|number}
                 */
                innerSize: '40%',
                /**
                 * The padding between the items, given in relative size where the size
                 * of the item is 1.
                 * @type {number}
                 */
                itemPadding: 0.1,
                /**
                 * The layout of the items in rectangular view. Can be either
                 * `horizontal` or `vertical`.
                 * @sample highcharts/series-item/symbols
                 *         Horizontal layout
                 * @type {string}
                 */
                layout: 'vertical',
                /**
                 * @extends plotOptions.series.marker
                 */
                marker: merge(
                    H.defaultOptions.plotOptions.line.marker,
                    {
                        radius: null
                    }
                ),
                /**
                 * The number of rows to display in the rectangular or circular view. If
                 * the `innerSize` is set, it will be overridden by the `rows` setting.
                 *
                 * @sample highcharts/series-item/rows-columns
                 *         Fixed row count
                 * @type {number}
                 */
                rows: undefined,
                showInLegend: true,
                /**
                 * In circular view, the start angle of the item layout, in degrees
                 * where 0 is up.
                 *
                 * @sample highcharts/demo/parliament-chart
                 *         Parliament chart
                 * @type {undefined|number}
                 */
                startAngle: undefined
            },
            // Prototype members
            {
                translate: function () {
                    if (!this.slots) {
                        this.slots = [];
                    }
                    if (
                        isNumber(this.options.startAngle) &&
                        isNumber(this.options.endAngle)
                    ) {
                        H.seriesTypes.pie.prototype.translate.call(this);
                        this.slots = this.getSlots();
                    } else {
                        this.generatePoints();
                    }
                },

                // Get the semi-circular slots
                getSlots: function () {
                    var center = this.center,
                        diameter = center[2],
                        innerSize = center[3],
                        row,
                        slots = this.slots,
                        x,
                        y,
                        rowRadius,
                        rowLength,
                        colCount,
                        increment,
                        angle,
                        col,
                        itemSize = 0,
                        rowCount,
                        fullAngle = this.endAngleRad - this.startAngleRad,
                        itemCount = Number.MAX_VALUE,
                        finalItemCount,
                        rows,
                        testRows,
                        rowsOption = this.options.rows,
                        // How many rows (arcs) should be used
                        rowFraction = (diameter - innerSize) / diameter;

                    // Increase the itemSize until we find the best fit
                    while (itemCount > this.total) {

                        finalItemCount = itemCount;

                        // Reset
                        slots.length = 0;
                        itemCount = 0;

                        // Now rows is the last successful run
                        rows = testRows;
                        testRows = [];

                        itemSize++;

                        // Total number of rows (arcs) from the center to the
                        // perimeter
                        rowCount = diameter / itemSize / 2;

                        if (rowsOption) {
                            innerSize = ((rowCount - rowsOption) / rowCount) * diameter;

                            if (innerSize >= 0) {
                                rowCount = rowsOption;

                            // If innerSize is negative, we are trying to set too
                            // many rows in the rows option, so fall back to
                            // treating it as innerSize 0
                            } else {
                                innerSize = 0;
                                rowFraction = 1;
                            }


                        } else {
                            rowCount = Math.floor(rowCount * rowFraction);
                        }

                        for (row = rowCount; row > 0; row--) {
                            rowRadius = (innerSize + (row / rowCount) *
                                (diameter - innerSize - itemSize)) / 2;
                            rowLength = fullAngle * rowRadius;
                            colCount = Math.ceil(rowLength / itemSize);
                            testRows.push({
                                rowRadius: rowRadius,
                                rowLength: rowLength,
                                colCount: colCount
                            });

                            itemCount += colCount + 1;
                        }
                    }

                    if (!rows) {
                        return;
                    }

                    // We now have more slots than we have total items. Loop over
                    // the rows and remove the last slot until the count is correct.
                    // For each iteration we sort the last slot by the angle, and
                    // remove those with the highest angles.
                    var overshoot = finalItemCount - this.total;
                    function cutOffRow(item) {
                        if (overshoot > 0) {
                            item.row.colCount--;
                            overshoot--;
                        }
                    }
                    while (overshoot > 0) {
                        rows
                            // Return a simplified representation of the angle of
                            // the last slot within each row.
                            .map(function (row) {
                                return {
                                    angle: row.colCount / row.rowLength,
                                    row: row
                                };
                            })
                            // Sort by the angles...
                            .sort(function (a, b) {
                                return b.angle - a.angle;
                            })
                            // ...so that we can ignore the items with the lowest
                            // angles...
                            .slice(
                                0,
                                Math.min(overshoot, Math.ceil(rows.length / 2))
                            )
                            // ...and remove the ones with the highest angles
                            .forEach(cutOffRow);
                    }

                    rows.forEach(function (row) {
                        var rowRadius = row.rowRadius,
                            colCount = row.colCount;
                        increment = colCount ? fullAngle / colCount : 0;
                        for (col = 0; col <= colCount; col += 1) {
                            angle = this.startAngleRad + col * increment;
                            x = center[0] + Math.cos(angle) * rowRadius;
                            y = center[1] + Math.sin(angle) * rowRadius;
                            slots.push({ x: x, y: y, angle: angle });
                        }
                    }, this);

                    // Sort by angle
                    slots.sort(function (a, b) {
                        return a.angle - b.angle;
                    });

                    this.itemSize = itemSize;
                    return slots;

                },

                getRows: function () {
                    var rows = this.options.rows,
                        cols,
                        ratio;

                    // Get the row count that gives the most square cells
                    if (!rows) {
                        ratio = this.chart.plotWidth / this.chart.plotHeight;
                        rows = Math.sqrt(this.total);

                        if (ratio > 1) {
                            rows = Math.ceil(rows);
                            while (rows > 0) {
                                cols = this.total / rows;
                                if (cols / rows > ratio) {
                                    break;
                                }
                                rows--;
                            }
                        } else {
                            rows = Math.floor(rows);
                            while (rows < this.total) {
                                cols = this.total / rows;
                                if (cols / rows < ratio) {
                                    break;
                                }
                                rows++;
                            }
                        }
                    }
                    return rows;
                },

                drawPoints: function () {
                    var series = this,
                        options = this.options,
                        renderer = series.chart.renderer,
                        seriesMarkerOptions = options.marker,
                        borderWidth = this.borderWidth,
                        crisp = borderWidth % 2 ? 0.5 : 1,
                        i = 0,
                        rows = this.getRows(),
                        cols = Math.ceil(this.total / rows),
                        cellWidth = this.chart.plotWidth / cols,
                        cellHeight = this.chart.plotHeight / rows,
                        itemSize = this.itemSize || Math.min(cellWidth, cellHeight);

                    /*
                    this.slots.forEach(slot => {
                        this.chart.renderer.circle(slot.x, slot.y, 6)
                            .attr({
                                fill: 'silver'
                            })
                            .add(this.group);
                    });
                    //*/

                    this.points.forEach(function (point) {
                        var attr,
                            graphics,
                            pointAttr,
                            pointMarkerOptions = point.marker || {},
                            symbol = (
                                pointMarkerOptions.symbol ||
                                seriesMarkerOptions.symbol
                            ),
                            r = H.pick(
                                pointMarkerOptions.radius,
                                seriesMarkerOptions.radius
                            ),
                            size = defined(r) ? 2 * r : itemSize,
                            padding = size * options.itemPadding,
                            x,
                            y,
                            width,
                            height;

                        point.graphics = graphics = point.graphics || {};

                        if (!series.chart.styledMode) {
                            pointAttr = series.pointAttribs(
                                point,
                                point.selected && 'select'
                            );
                        }

                        if (!point.isNull && point.visible) {

                            if (!point.graphic) {
                                point.graphic = renderer.g('point')
                                    .add(series.group);
                            }

                            for (var val = 0; val < point.y; val++) {

                                // Semi-circle
                                if (series.center && series.slots) {

                                    // Fill up the slots from left to right
                                    var slot = series.slots.shift();
                                    x = slot.x - itemSize / 2;
                                    y = slot.y - itemSize / 2;

                                } else if (options.layout === 'horizontal') {
                                    x = cellWidth * (i % cols);
                                    y = cellHeight * Math.floor(i / cols);
                                } else {
                                    x = cellWidth * Math.floor(i / rows);
                                    y = cellHeight * (i % rows);
                                }

                                x += padding;
                                y += padding;
                                width = Math.round(size - 2 * padding);
                                height = width;

                                if (series.options.crisp) {
                                    x = Math.round(x) - crisp;
                                    y = Math.round(y) + crisp;
                                }
                                attr = {
                                    x: x,
                                    y: y,
                                    width: width,
                                    height: height
                                };
                                if (r !== undefined) {
                                    attr.r = r;
                                }


                                if (graphics[val]) {
                                    graphics[val].animate(attr);
                                } else {
                                    graphics[val] = renderer
                                        .symbol(
                                            symbol,
                                            null,
                                            null,
                                            null,
                                            null, {
                                                backgroundSize: 'within'
                                            }
                                        )
                                        .attr(extend(attr, pointAttr))
                                        .add(point.graphic);
                                }
                                graphics[val].isActive = true;


                                i++;
                            }
                        }
                        objectEach(graphics, function (graphic, key) {
                            if (!graphic.isActive) {
                                graphic.destroy();
                                delete graphics[key];
                            } else {
                                graphic.isActive = false;
                            }
                        });
                    });
                },
                drawDataLabels: function () {
                    if (this.center && this.slots) {
                        H.seriesTypes.pie.prototype.drawDataLabels.call(this);

                    // else, it's just a dot chart with no natural place to put the
                    // data labels
                    } else {
                        this.points.forEach(function (point) {
                            point.destroyElements({ dataLabel: 1 });
                        });
                    }
                },

                // Fade in the whole chart
                animate: function (init) {
                    if (init) {
                        this.group.attr({
                            opacity: 0
                        });
                    } else {
                        this.group.animate({
                            opacity: 1
                        }, this.options.animation);
                        this.animate = null;
                    }
                }
            },
            // Point class
            {
                connectorShapes: piePoint.connectorShapes,
                getConnectorPath: piePoint.getConnectorPath,
                setVisible: piePoint.setVisible,
                getTranslate: piePoint.getTranslate
            }
        );


        /**
         * An `item` series. If the [type](#series.item.type) option is not specified,
         * it is inherited from [chart.type](#chart.type).
         *
         * @extends   series,plotOptions.item
         * @excluding dataParser, dataURL, stack, xAxis, yAxis
         * @product   highcharts
         * @apioption series.item
         */

        /**
         * An array of data points for the series. For the `item` 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. Example:
         *    ```js
         *    data: [0, 5, 3, 5]
         *    ```
         *
         * 2. An array of objects with named values. The following snippet shows only a
         *    few settings, see the complete options set below. If the total number of
         *    data points exceeds the series'
         *    [turboThreshold](#series.item.turboThreshold),
         *    this option is not available.
         *    ```js
         *    data: [{
         *        y: 1,
         *        name: "Point2",
         *        color: "#00FF00"
         *    }, {
         *        y: 7,
         *        name: "Point1",
         *        color: "#FF00FF"
         *    }]
         *    ```
         *
         * @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
         *
         * @type      {Array<number|Array<string,(number|null)>|null|*>}
         * @extends   series.pie.data
         * @excludes  sliced
         * @product   highcharts
         * @apioption series.item.data
         */

        /**
         * The sequential index of the data point in the legend.
         *
         * @type      {number}
         * @product   highcharts
         * @apioption series.pie.data.legendIndex
         */

    });
    _registerModule(_modules, 'masters/modules/item-series.src.js', [], function () {


    });
}));