/* *
 *
 *  (c) 2009-2020 Øystein Moseng
 *
 *  Code for sonifying single points.
 *
 *  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 error = U.error, merge = U.merge, pick = U.pick;
/**
 * Define the parameter mapping for an instrument.
 *
 * @requires module:modules/sonification
 *
 * @interface Highcharts.PointInstrumentMappingObject
 */ /**
* Define the volume of the instrument. This can be a string with a data
* property name, e.g. `'y'`, in which case this data property is used to define
* the volume relative to the `y`-values of the other points. A higher `y` value
* would then result in a higher volume. This option can also be a fixed number
* or a function. If it is a function, this function is called in regular
* intervals while the note is playing. It receives three arguments: The point,
* the dataExtremes, and the current relative time - where 0 is the beginning of
* the note and 1 is the end. The function should return the volume of the note
* as a number between 0 and 1.
* @name Highcharts.PointInstrumentMappingObject#volume
* @type {string|number|Function}
*/ /**
* Define the duration of the notes for this instrument. This can be a string
* with a data property name, e.g. `'y'`, in which case this data property is
* used to define the duration relative to the `y`-values of the other points. A
* higher `y` value would then result in a longer duration. This option can also
* be a fixed number or a function. If it is a function, this function is called
* once before the note starts playing, and should return the duration in
* milliseconds. It receives two arguments: The point, and the dataExtremes.
* @name Highcharts.PointInstrumentMappingObject#duration
* @type {string|number|Function}
*/ /**
* Define the panning of the instrument. This can be a string with a data
* property name, e.g. `'x'`, in which case this data property is used to define
* the panning relative to the `x`-values of the other points. A higher `x`
* value would then result in a higher panning value (panned further to the
* right). This option can also be a fixed number or a function. If it is a
* function, this function is called in regular intervals while the note is
* playing. It receives three arguments: The point, the dataExtremes, and the
* current relative time - where 0 is the beginning of the note and 1 is the
* end. The function should return the panning of the note as a number between
* -1 and 1.
* @name Highcharts.PointInstrumentMappingObject#pan
* @type {string|number|Function|undefined}
*/ /**
* Define the frequency of the instrument. This can be a string with a data
* property name, e.g. `'y'`, in which case this data property is used to define
* the frequency relative to the `y`-values of the other points. A higher `y`
* value would then result in a higher frequency. This option can also be a
* fixed number or a function. If it is a function, this function is called in
* regular intervals while the note is playing. It receives three arguments:
* The point, the dataExtremes, and the current relative time - where 0 is the
* beginning of the note and 1 is the end. The function should return the
* frequency of the note as a number (in Hz).
* @name Highcharts.PointInstrumentMappingObject#frequency
* @type {string|number|Function}
*/
/**
 * @requires module:modules/sonification
 *
 * @interface Highcharts.PointInstrumentOptionsObject
 */ /**
* The minimum duration for a note when using a data property for duration. Can
* be overridden by using either a fixed number or a function for
* instrumentMapping.duration. Defaults to 20.
* @name Highcharts.PointInstrumentOptionsObject#minDuration
* @type {number|undefined}
*/ /**
* The maximum duration for a note when using a data property for duration. Can
* be overridden by using either a fixed number or a function for
* instrumentMapping.duration. Defaults to 2000.
* @name Highcharts.PointInstrumentOptionsObject#maxDuration
* @type {number|undefined}
*/ /**
* The minimum pan value for a note when using a data property for panning. Can
* be overridden by using either a fixed number or a function for
* instrumentMapping.pan. Defaults to -1 (fully left).
* @name Highcharts.PointInstrumentOptionsObject#minPan
* @type {number|undefined}
*/ /**
* The maximum pan value for a note when using a data property for panning. Can
* be overridden by using either a fixed number or a function for
* instrumentMapping.pan. Defaults to 1 (fully right).
* @name Highcharts.PointInstrumentOptionsObject#maxPan
* @type {number|undefined}
*/ /**
* The minimum volume for a note when using a data property for volume. Can be
* overridden by using either a fixed number or a function for
* instrumentMapping.volume. Defaults to 0.1.
* @name Highcharts.PointInstrumentOptionsObject#minVolume
* @type {number|undefined}
*/ /**
* The maximum volume for a note when using a data property for volume. Can be
* overridden by using either a fixed number or a function for
* instrumentMapping.volume. Defaults to 1.
* @name Highcharts.PointInstrumentOptionsObject#maxVolume
* @type {number|undefined}
*/ /**
* The minimum frequency for a note when using a data property for frequency.
* Can be overridden by using either a fixed number or a function for
* instrumentMapping.frequency. Defaults to 220.
* @name Highcharts.PointInstrumentOptionsObject#minFrequency
* @type {number|undefined}
*/ /**
* The maximum frequency for a note when using a data property for frequency.
* Can be overridden by using either a fixed number or a function for
* instrumentMapping.frequency. Defaults to 2200.
* @name Highcharts.PointInstrumentOptionsObject#maxFrequency
* @type {number|undefined}
*/
/**
 * An instrument definition for a point, specifying the instrument to play and
 * how to play it.
 *
 * @interface Highcharts.PointInstrumentObject
 */ /**
* An Instrument instance or the name of the instrument in the
* Highcharts.sonification.instruments map.
* @name Highcharts.PointInstrumentObject#instrument
* @type {Highcharts.Instrument|string}
*/ /**
* Mapping of instrument parameters for this instrument.
* @name Highcharts.PointInstrumentObject#instrumentMapping
* @type {Highcharts.PointInstrumentMappingObject}
*/ /**
* Options for this instrument.
* @name Highcharts.PointInstrumentObject#instrumentOptions
* @type {Highcharts.PointInstrumentOptionsObject|undefined}
*/ /**
* Callback to call when the instrument has stopped playing.
* @name Highcharts.PointInstrumentObject#onEnd
* @type {Function|undefined}
*/
/**
 * Options for sonifying a point.
 * @interface Highcharts.PointSonifyOptionsObject
 */ /**
* The instrument definitions for this point.
* @name Highcharts.PointSonifyOptionsObject#instruments
* @type {Array<Highcharts.PointInstrumentObject>}
*/ /**
* Optionally provide the minimum/maximum values for the points. If this is not
* supplied, it is calculated from the points in the chart on demand. This
* option is supplied in the following format, as a map of point data properties
* to objects with min/max values:
*  ```js
*      dataExtremes: {
*          y: {
*              min: 0,
*              max: 100
*          },
*          z: {
*              min: -10,
*              max: 10
*          }
*          // Properties used and not provided are calculated on demand
*      }
*  ```
* @name Highcharts.PointSonifyOptionsObject#dataExtremes
* @type {object|undefined}
*/ /**
* Callback called when the sonification has finished.
* @name Highcharts.PointSonifyOptionsObject#onEnd
* @type {Function|undefined}
*/
import utilities from './utilities.js';
// Defaults for the instrument options
// NOTE: Also change defaults in Highcharts.PointInstrumentOptionsObject if
//       making changes here.
var defaultInstrumentOptions = {
    minDuration: 20,
    maxDuration: 2000,
    minVolume: 0.1,
    maxVolume: 1,
    minPan: -1,
    maxPan: 1,
    minFrequency: 220,
    maxFrequency: 2200
};
/* eslint-disable no-invalid-this, valid-jsdoc */
/**
 * Sonify a single point.
 *
 * @sample highcharts/sonification/point-basic/
 *         Click on points to sonify
 * @sample highcharts/sonification/point-advanced/
 *         Sonify bubbles
 *
 * @requires module:modules/sonification
 *
 * @function Highcharts.Point#sonify
 *
 * @param {Highcharts.PointSonifyOptionsObject} options
 * Options for the sonification of the point.
 *
 * @return {void}
 */
function pointSonify(options) {
    var point = this, chart = point.series.chart, dataExtremes = options.dataExtremes || {}, 
    // Get the value to pass to instrument.play from the mapping value
    // passed in.
    getMappingValue = function (value, makeFunction, allowedExtremes) {
        // Function. Return new function if we try to use callback,
        // otherwise call it now and return result.
        if (typeof value === 'function') {
            return makeFunction ?
                function (time) {
                    return value(point, dataExtremes, time);
                } :
                value(point, dataExtremes);
        }
        // String, this is a data prop.
        if (typeof value === 'string') {
            // Find data extremes if we don't have them
            dataExtremes[value] = dataExtremes[value] ||
                utilities.calculateDataExtremes(point.series.chart, value);
            // Find the value
            return utilities.virtualAxisTranslate(pick(point[value], point.options[value]), dataExtremes[value], allowedExtremes);
        }
        // Fixed number or something else weird, just use that
        return value;
    };
    // Register playing point on chart
    chart.sonification.currentlyPlayingPoint = point;
    // Keep track of instruments playing
    point.sonification = point.sonification || {};
    point.sonification.instrumentsPlaying =
        point.sonification.instrumentsPlaying || {};
    // Register signal handler for the point
    var signalHandler = point.sonification.signalHandler =
        point.sonification.signalHandler ||
            new utilities.SignalHandler(['onEnd']);
    signalHandler.clearSignalCallbacks();
    signalHandler.registerSignalCallbacks({ onEnd: options.onEnd });
    // If we have a null point or invisible point, just return
    if (point.isNull || !point.visible || !point.series.visible) {
        signalHandler.emitSignal('onEnd');
        return;
    }
    // Go through instruments and play them
    options.instruments.forEach(function (instrumentDefinition) {
        var instrument = typeof instrumentDefinition.instrument === 'string' ?
            H.sonification.instruments[instrumentDefinition.instrument] :
            instrumentDefinition.instrument, mapping = instrumentDefinition.instrumentMapping || {}, extremes = merge(defaultInstrumentOptions, instrumentDefinition.instrumentOptions), id = instrument.id, onEnd = function (cancelled) {
            // Instrument on end
            if (instrumentDefinition.onEnd) {
                instrumentDefinition.onEnd.apply(this, arguments);
            }
            // Remove currently playing point reference on chart
            if (chart.sonification &&
                chart.sonification.currentlyPlayingPoint) {
                delete chart.sonification.currentlyPlayingPoint;
            }
            // Remove reference from instruments playing
            if (point.sonification && point.sonification.instrumentsPlaying) {
                delete point.sonification.instrumentsPlaying[id];
                // This was the last instrument?
                if (!Object.keys(point.sonification.instrumentsPlaying).length) {
                    signalHandler.emitSignal('onEnd', cancelled);
                }
            }
        };
        // Play the note on the instrument
        if (instrument && instrument.play) {
            point.sonification.instrumentsPlaying[instrument.id] =
                instrument;
            instrument.play({
                frequency: getMappingValue(mapping.frequency, true, { min: extremes.minFrequency, max: extremes.maxFrequency }),
                duration: getMappingValue(mapping.duration, false, { min: extremes.minDuration, max: extremes.maxDuration }),
                pan: getMappingValue(mapping.pan, true, { min: extremes.minPan, max: extremes.maxPan }),
                volume: getMappingValue(mapping.volume, true, { min: extremes.minVolume, max: extremes.maxVolume }),
                onEnd: onEnd,
                minFrequency: extremes.minFrequency,
                maxFrequency: extremes.maxFrequency
            });
        }
        else {
            error(30);
        }
    });
}
/**
 * Cancel sonification of a point. Calls onEnd functions.
 *
 * @requires module:modules/sonification
 *
 * @function Highcharts.Point#cancelSonify
 *
 * @param {boolean} [fadeOut=false]
 *        Whether or not to fade out as we stop. If false, the points are
 *        cancelled synchronously.
 *
 * @return {void}
 */
function pointCancelSonify(fadeOut) {
    var playing = this.sonification && this.sonification.instrumentsPlaying, instrIds = playing && Object.keys(playing);
    if (instrIds && instrIds.length) {
        instrIds.forEach(function (instr) {
            playing[instr].stop(!fadeOut, null, 'cancelled');
        });
        this.sonification.instrumentsPlaying = {};
        this.sonification.signalHandler.emitSignal('onEnd', 'cancelled');
    }
}
var pointSonifyFunctions = {
    pointSonify: pointSonify,
    pointCancelSonify: pointCancelSonify
};
export default pointSonifyFunctions;