"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports["default"] = void 0;

var _leaflet = require("leaflet");

var _BouncingOptions = _interopRequireDefault(require("./BouncingOptions.js"));

var _Cache = _interopRequireDefault(require("./Cache.js"));

var _Styles = _interopRequireDefault(require("./Styles.js"));

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {"default": obj};
}

function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
    }
}

function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
    }
}

function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
}

function _defineProperty(obj, key, value) {
    if (key in obj) {
        Object.defineProperty(obj, key, {value: value, enumerable: true, configurable: true, writable: true});
    } else {
        obj[key] = value;
    }
    return obj;
}

var bonceEndEvent = 'bounceend';

var BouncingMotion = /*#__PURE__*/function () {
    // TODO: check if this cache working right (keys don't need prefix)

    /**
     * Constructor.
     *
     * @param marker {Marker}  marker
     * @param position {Point}  marker current position on the map canvas
     * @param bouncingOptions {BouncingOptions}  options of bouncing animation
     */
    function BouncingMotion(marker, position, bouncingOptions) {
        _classCallCheck(this, BouncingMotion);

        _defineProperty(this, "marker", void 0);

        _defineProperty(this, "position", void 0);

        _defineProperty(this, "bouncingOptions", void 0);

        _defineProperty(this, "moveSteps", void 0);

        _defineProperty(this, "moveDelays", void 0);

        _defineProperty(this, "resizeSteps", void 0);

        _defineProperty(this, "resizeDelays", void 0);

        _defineProperty(this, "isBouncing", false);

        _defineProperty(this, "iconStyles", void 0);

        _defineProperty(this, "shadowStyles", void 0);

        _defineProperty(this, "bouncingAnimationPlaying", false);

        this.marker = marker;
        this.position = position;
        this.updateBouncingOptions(bouncingOptions);
    }

    _createClass(BouncingMotion, [{
        key: "updateBouncingOptions",
        value: function updateBouncingOptions(options) {
            this.bouncingOptions = options instanceof _BouncingOptions["default"] ? options : this.bouncingOptions.override(options);
            var _this$bouncingOptions = this.bouncingOptions,
                bounceHeight = _this$bouncingOptions.bounceHeight,
                bounceSpeed = _this$bouncingOptions.bounceSpeed,
                elastic = _this$bouncingOptions.elastic;
            this.moveSteps = BouncingMotion.cache.get("moveSteps_".concat(bounceHeight), function () {
                return BouncingMotion.calculateSteps(bounceHeight);
            });
            this.moveDelays = BouncingMotion.cache.get("moveDelays_".concat(bounceHeight, "_").concat(bounceSpeed), function () {
                return BouncingMotion.calculateDelays(bounceHeight, bounceSpeed);
            });

            if (elastic) {
                var _this$bouncingOptions2 = this.bouncingOptions,
                    contractHeight = _this$bouncingOptions2.contractHeight,
                    contractSpeed = _this$bouncingOptions2.contractSpeed;
                this.resizeSteps = BouncingMotion.cache.get("resizeSteps_".concat(contractHeight), function () {
                    return BouncingMotion.calculateSteps(contractHeight);
                });
                this.resizeDelays = BouncingMotion.cache.get("resizeDelays_".concat(contractHeight, "_").concat(contractSpeed), function () {
                    return BouncingMotion.calculateDelays(contractHeight, contractSpeed);
                });
            }

            this.recalculateMotion(this.position);
        }
    }, {
        key: "resetStyles",
        value: function resetStyles(marker) {
            this.iconStyles = _Styles["default"].ofMarker(marker);

            if (marker._shadow) {
                this.shadowStyles = _Styles["default"].parse(marker._shadow.style.cssText);
            }
        }
        /**
         * Recalculates bouncing motion for new marker position.
         * @param position {Point} new marker position
         */

    }, {
        key: "recalculateMotion",
        value: function recalculateMotion(position) {
            this.position = position;
        }
        /**
         * @param times {number|null}
         */

    }, {
        key: "bounce",
        value: function bounce() {
            var times = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

            if (this.bouncingAnimationPlaying) {
                this.isBouncing = true;
                return;
            }

            this.isBouncing = true;
            this.bouncingAnimationPlaying = true;
            this.move(times);
        }
    }, {
        key: "stopBouncing",
        value: function stopBouncing() {
            this.isBouncing = false;
        }
        /**
         * @param times {number|null}
         */

    }, {
        key: "move",
        value: function move() {
            var _this = this;

            var times = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

            if (times !== null) {
                if (!--times) {
                    this.isBouncing = false; // this is the last bouncing

                    this.bouncingAnimationPlaying = false;
                }
            }
            /* Launch timeouts for every step of the movement animation */


            var i = this.moveSteps.length;

            while (i--) {
                setTimeout(function (step) {
                    return _this.makeMoveStep(step);
                }, this.moveDelays[i], this.moveSteps[i]);
            }

            setTimeout(function () {
                return _this.afterMove(times);
            }, this.moveDelays[this.moveSteps.length - 1]);
        }
    }, {
        key: "afterMove",
        value: function afterMove(times) {
            var _this2 = this;

            if (this.isBouncing) {
                setTimeout(function () {
                    return _this2.move(times);
                }, this.bouncingOptions.bounceSpeed);
            } else {
                this.bouncingAnimationPlaying = false;
                this.marker.fire(bonceEndEvent);
            }
        }
        /**
         * @param step {number}
         */

    }, {
        key: "makeMoveStep",
        value: function makeMoveStep(step) {
            this.marker._icon.style.cssText = this.iconStyles.toString();

            if (this.marker._shadow) {
                this.marker._shadow.style.cssText = this.shadowStyles.toString();
            }
        }
        /**
         * Returns calculated array of animation steps. This function used to calculate both movement
         * and resizing animations.
         *
         * @param height {number}  height of movement or resizing (px)
         *
         * @return {number[]} array of animation steps
         */

    }], [{
        key: "calculateSteps",
        value: function calculateSteps(height) {
            /* Calculate the sequence of animation steps:
             * steps = [1 .. height] concat [height-1 .. 0]
             */
            var i = 1;
            var steps = [];

            while (i <= height) {
                steps.push(i++);
            }

            i = height;

            while (i--) {
                steps.push(i);
            }

            return steps;
        }
        /**
         * Returns calculated array of delays between animation start and the steps of animation. This
         * function used to calculate both movement and resizing animations. Element with index i of
         * this array contains the delay in milliseconds between animation start and the step number i.
         *
         * @param height {number}  height of movement or resizing (px)
         * @param speed {number}  speed coefficient
         *
         * @return {number[]} array of delays before steps of animation
         */

    }, {
        key: "calculateDelays",
        value: function calculateDelays(height, speed) {
            // Calculate delta time for bouncing animation
            // Delta time to movement in one direction
            var deltas = []; // time between steps of animation

            deltas[height] = speed;
            deltas[0] = 0;
            var i = height;

            while (--i) {
                deltas[i] = Math.round(speed / (height - i));
            } // Delta time for movement in two directions


            i = height;

            while (i--) {
                deltas.push(deltas[i]);
            } // Calculate move delays (cumulated deltas)
            // TODO: instead of deltas.lenght write bounceHeight * 2 - 1


            var delays = []; // delays before steps from beginning of animation

            var totalDelay = 0;

            for (i = 0; i < deltas.length; i++) {
                totalDelay += deltas[i];
                delays.push(totalDelay);
            }

            return delays;
        }
    }]);

    return BouncingMotion;
}();

exports["default"] = BouncingMotion;

_defineProperty(BouncingMotion, "cache", new _Cache["default"]());