/* *
 *
 *  (c) 2010-2021 Kacper Madej
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
'use strict';
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
var SMAIndicator = SeriesRegistry.seriesTypes.sma;
import U from '../../../Core/Utilities.js';
var merge = U.merge, extend = U.extend;
/* *
 *
 *  Class
 *
 * */
/**
 * The Zig Zag series type.
 *
 * @private
 * @class
 * @name Highcharts.seriesTypes.zigzag
 *
 * @augments Highcharts.Series
 */
var ZigzagIndicator = /** @class */ (function (_super) {
    __extends(ZigzagIndicator, _super);
    function ZigzagIndicator() {
        /* *
         *
         *  Static Properties
         *
         * */
        var _this = _super !== null && _super.apply(this, arguments) || this;
        /* *
         *
         *  Properties
         *
         * */
        _this.data = void 0;
        _this.points = void 0;
        _this.options = void 0;
        return _this;
    }
    /* *
     *
     *  Functions
     *
     * */
    ZigzagIndicator.prototype.getValues = function (series, params) {
        var lowIndex = params.lowIndex, highIndex = params.highIndex, deviation = params.deviation / 100, deviations = {
            'low': 1 + deviation,
            'high': 1 - deviation
        }, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, zigzag = [], xData = [], yData = [], i, j, zigzagPoint, firstZigzagLow, firstZigzagHigh, directionUp, zigzagLen, exitLoop = false, yIndex = false;
        // Exit if not enught points or no low or high values
        if (!xVal || xVal.length <= 1 ||
            (yValLen &&
                (typeof yVal[0][lowIndex] === 'undefined' ||
                    typeof yVal[0][highIndex] === 'undefined'))) {
            return;
        }
        // Set first zigzag point candidate
        firstZigzagLow = yVal[0][lowIndex];
        firstZigzagHigh = yVal[0][highIndex];
        // Search for a second zigzag point candidate,
        // this will also set first zigzag point
        for (i = 1; i < yValLen; i++) {
            // requried change to go down
            if (yVal[i][lowIndex] <= firstZigzagHigh * deviations.high) {
                zigzag.push([xVal[0], firstZigzagHigh]);
                // second zigzag point candidate
                zigzagPoint = [xVal[i], yVal[i][lowIndex]];
                // next line will be going up
                directionUp = true;
                exitLoop = true;
                // requried change to go up
            }
            else if (yVal[i][highIndex] >= firstZigzagLow * deviations.low) {
                zigzag.push([xVal[0], firstZigzagLow]);
                // second zigzag point candidate
                zigzagPoint = [xVal[i], yVal[i][highIndex]];
                // next line will be going down
                directionUp = false;
                exitLoop = true;
            }
            if (exitLoop) {
                xData.push(zigzag[0][0]);
                yData.push(zigzag[0][1]);
                j = i++;
                i = yValLen;
            }
        }
        // Search for next zigzags
        for (i = j; i < yValLen; i++) {
            if (directionUp) { // next line up
                // lower when going down -> change zigzag candidate
                if (yVal[i][lowIndex] <= zigzagPoint[1]) {
                    zigzagPoint = [xVal[i], yVal[i][lowIndex]];
                }
                // requried change to go down -> new zigzagpoint and
                // direction change
                if (yVal[i][highIndex] >=
                    zigzagPoint[1] * deviations.low) {
                    yIndex = highIndex;
                }
            }
            else { // next line down
                // higher when going up -> change zigzag candidate
                if (yVal[i][highIndex] >= zigzagPoint[1]) {
                    zigzagPoint = [xVal[i], yVal[i][highIndex]];
                }
                // requried change to go down -> new zigzagpoint and
                // direction change
                if (yVal[i][lowIndex] <=
                    zigzagPoint[1] * deviations.high) {
                    yIndex = lowIndex;
                }
            }
            if (yIndex !== false) { // new zigzag point and direction change
                zigzag.push(zigzagPoint);
                xData.push(zigzagPoint[0]);
                yData.push(zigzagPoint[1]);
                zigzagPoint = [xVal[i], yVal[i][yIndex]];
                directionUp = !directionUp;
                yIndex = false;
            }
        }
        zigzagLen = zigzag.length;
        // no zigzag for last point
        if (zigzagLen !== 0 &&
            zigzag[zigzagLen - 1][0] < xVal[yValLen - 1]) {
            // set last point from zigzag candidate
            zigzag.push(zigzagPoint);
            xData.push(zigzagPoint[0]);
            yData.push(zigzagPoint[1]);
        }
        return {
            values: zigzag,
            xData: xData,
            yData: yData
        };
    };
    /**
     * Zig Zag indicator.
     *
     * This series requires `linkedTo` option to be set.
     *
     * @sample stock/indicators/zigzag
     *         Zig Zag indicator
     *
     * @extends      plotOptions.sma
     * @since        6.0.0
     * @product      highstock
     * @requires     stock/indicators/indicators
     * @requires     stock/indicators/zigzag
     * @optionparent plotOptions.zigzag
     */
    ZigzagIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
        /**
         * @excluding index, period
         */
        params: {
            // Index and period are unchangeable, do not inherit (#15362)
            index: void 0,
            period: void 0,
            /**
             * The point index which indicator calculations will base - low
             * value.
             *
             * For example using OHLC data, index=2 means the indicator will be
             * calculated using Low values.
             */
            lowIndex: 2,
            /**
             * The point index which indicator calculations will base - high
             * value.
             *
             * For example using OHLC data, index=1 means the indicator will be
             * calculated using High values.
             */
            highIndex: 1,
            /**
             * The threshold for the value change.
             *
             * For example deviation=1 means the indicator will ignore all price
             * movements less than 1%.
             */
            deviation: 1
        }
    });
    return ZigzagIndicator;
}(SMAIndicator));
extend(ZigzagIndicator.prototype, {
    nameComponents: ['deviation'],
    nameSuffixes: ['%'],
    nameBase: 'Zig Zag'
});
SeriesRegistry.registerSeriesType('zigzag', ZigzagIndicator);
/* *
 *
 *  Default Export
 *
 * */
export default ZigzagIndicator;
/* *
 *
 *  API Options
 *
 * */
/**
 * A `Zig Zag` series. If the [type](#series.zigzag.type) option is not
 * specified, it is inherited from [chart.type](#chart.type).
 *
 * @extends   series,plotOptions.zigzag
 * @since     6.0.0
 * @product   highstock
 * @excluding dataParser, dataURL
 * @requires  stock/indicators/indicators
 * @requires  stock/indicators/zigzag
 * @apioption series.zigzag
 */
''; // adds doclets above to transpiled file
