/* *
 *
 *  (c) 2019 Torstein Honsi
 *
 *  Item series type for Highcharts
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
'use strict';
import H from '../parts/Globals.js';
import U from '../parts/Utilities.js';
var defined = U.defined, isNumber = U.isNumber, objectEach = U.objectEach;
import '../parts/Series.js';
var extend = H.extend, fireEvent = H.fireEvent, 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, 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();
            fireEvent(this, 'afterTranslate');
        }
    },
    // 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;
        /**
         * @private
         * @param {Highcharts.ItemRowContainerObject} item
         * Wrapped object with angle and row
         * @return {void}
         */
        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
 */
''; // adds the doclets above to the transpiled file