/* *
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
import H from '../parts/Globals.js';
import U from '../parts/Utilities.js';
var extend = U.extend, isArray = U.isArray, isNumber = U.isNumber, isObject = U.isObject, pick = U.pick;
var isBoolean = function (x) {
    return typeof x === 'boolean';
}, isFn = function (x) {
    return typeof x === 'function';
}, merge = H.merge;
/* eslint-disable valid-jsdoc */
/**
 * @todo Combine buildTree and buildNode with setTreeValues
 * @todo Remove logic from Treemap and make it utilize this mixin.
 * @private
 */
var setTreeValues = function setTreeValues(tree, options) {
    var before = options.before, idRoot = options.idRoot, mapIdToNode = options.mapIdToNode, nodeRoot = mapIdToNode[idRoot], levelIsConstant = (isBoolean(options.levelIsConstant) ?
        options.levelIsConstant :
        true), points = options.points, point = points[tree.i], optionsPoint = point && point.options || {}, childrenTotal = 0, children = [], value;
    extend(tree, {
        levelDynamic: tree.level - (levelIsConstant ? 0 : nodeRoot.level),
        name: pick(point && point.name, ''),
        visible: (idRoot === tree.id ||
            (isBoolean(options.visible) ? options.visible : false))
    });
    if (isFn(before)) {
        tree = before(tree, options);
    }
    // First give the children some values
    tree.children.forEach(function (child, i) {
        var newOptions = extend({}, options);
        extend(newOptions, {
            index: i,
            siblings: tree.children.length,
            visible: tree.visible
        });
        child = setTreeValues(child, newOptions);
        children.push(child);
        if (child.visible) {
            childrenTotal += child.val;
        }
    });
    tree.visible = childrenTotal > 0 || tree.visible;
    // Set the values
    value = pick(optionsPoint.value, childrenTotal);
    extend(tree, {
        children: children,
        childrenTotal: childrenTotal,
        isLeaf: tree.visible && !childrenTotal,
        val: value
    });
    return tree;
};
/**
 * @private
 */
var getColor = function getColor(node, options) {
    var index = options.index, mapOptionsToLevel = options.mapOptionsToLevel, parentColor = options.parentColor, parentColorIndex = options.parentColorIndex, series = options.series, colors = options.colors, siblings = options.siblings, points = series.points, getColorByPoint, chartOptionsChart = series.chart.options.chart, point, level, colorByPoint, colorIndexByPoint, color, colorIndex;
    /**
     * @private
     */
    function variation(color) {
        var colorVariation = level && level.colorVariation;
        if (colorVariation) {
            if (colorVariation.key === 'brightness') {
                return H.color(color).brighten(colorVariation.to * (index / siblings)).get();
            }
        }
        return color;
    }
    if (node) {
        point = points[node.i];
        level = mapOptionsToLevel[node.level] || {};
        getColorByPoint = point && level.colorByPoint;
        if (getColorByPoint) {
            colorIndexByPoint = point.index % (colors ?
                colors.length :
                chartOptionsChart.colorCount);
            colorByPoint = colors && colors[colorIndexByPoint];
        }
        // Select either point color, level color or inherited color.
        if (!series.chart.styledMode) {
            color = pick(point && point.options.color, level && level.color, colorByPoint, parentColor && variation(parentColor), series.color);
        }
        colorIndex = pick(point && point.options.colorIndex, level && level.colorIndex, colorIndexByPoint, parentColorIndex, options.colorIndex);
    }
    return {
        color: color,
        colorIndex: colorIndex
    };
};
/**
 * Creates a map from level number to its given options.
 *
 * @private
 * @function getLevelOptions
 * @param {object} params
 *        Object containing parameters.
 *        - `defaults` Object containing default options. The default options
 *           are merged with the userOptions to get the final options for a
 *           specific level.
 *        - `from` The lowest level number.
 *        - `levels` User options from series.levels.
 *        - `to` The highest level number.
 * @return {Highcharts.Dictionary<object>|null}
 *         Returns a map from level number to its given options.
 */
var getLevelOptions = function getLevelOptions(params) {
    var result = null, defaults, converted, i, from, to, levels;
    if (isObject(params)) {
        result = {};
        from = isNumber(params.from) ? params.from : 1;
        levels = params.levels;
        converted = {};
        defaults = isObject(params.defaults) ? params.defaults : {};
        if (isArray(levels)) {
            converted = levels.reduce(function (obj, item) {
                var level, levelIsConstant, options;
                if (isObject(item) && isNumber(item.level)) {
                    options = merge({}, item);
                    levelIsConstant = (isBoolean(options.levelIsConstant) ?
                        options.levelIsConstant :
                        defaults.levelIsConstant);
                    // Delete redundant properties.
                    delete options.levelIsConstant;
                    delete options.level;
                    // Calculate which level these options apply to.
                    level = item.level + (levelIsConstant ? 0 : from - 1);
                    if (isObject(obj[level])) {
                        extend(obj[level], options);
                    }
                    else {
                        obj[level] = options;
                    }
                }
                return obj;
            }, {});
        }
        to = isNumber(params.to) ? params.to : 1;
        for (i = 0; i <= to; i++) {
            result[i] = merge({}, defaults, isObject(converted[i]) ? converted[i] : {});
        }
    }
    return result;
};
/**
 * Update the rootId property on the series. Also makes sure that it is
 * accessible to exporting.
 *
 * @private
 * @function updateRootId
 *
 * @param {object} series
 *        The series to operate on.
 *
 * @return {string}
 *         Returns the resulting rootId after update.
 */
var updateRootId = function (series) {
    var rootId, options;
    if (isObject(series)) {
        // Get the series options.
        options = isObject(series.options) ? series.options : {};
        // Calculate the rootId.
        rootId = pick(series.rootNode, options.rootId, '');
        // Set rootId on series.userOptions to pick it up in exporting.
        if (isObject(series.userOptions)) {
            series.userOptions.rootId = rootId;
        }
        // Set rootId on series to pick it up on next update.
        series.rootNode = rootId;
    }
    return rootId;
};
var result = {
    getColor: getColor,
    getLevelOptions: getLevelOptions,
    setTreeValues: setTreeValues,
    updateRootId: updateRootId
};
export default result;
