/**
 * Minimal Event interface implementation
 *
 * Original implementation by Sven Fuchs: https://gist.github.com/995028
 * Modifications and tests by Christian Johansen.
 *
 * @author Sven Fuchs (svenfuchs@artweb-design.de)
 * @author Christian Johansen (christian@cjohansen.no)
 * @license BSD
 *
 * Copyright (c) 2011 Sven Fuchs, Christian Johansen
 */
if (typeof sinon === "undefined") {
    this.sinon = {};
}

(function () {
    "use strict";

    var push = [].push;

    function makeApi(sinon) {
        sinon.Event = function Event(type, bubbles, cancelable, target) {
            this.initEvent(type, bubbles, cancelable, target);
        };

        sinon.Event.prototype = {
            initEvent: function (type, bubbles, cancelable, target) {
                this.type = type;
                this.bubbles = bubbles;
                this.cancelable = cancelable;
                this.target = target;
            },

            stopPropagation: function () {},

            preventDefault: function () {
                this.defaultPrevented = true;
            }
        };

        sinon.ProgressEvent = function ProgressEvent(type, progressEventRaw, target) {
            this.initEvent(type, false, false, target);
            this.loaded = typeof progressEventRaw.loaded === "number" ? progressEventRaw.loaded : null;
            this.total = typeof progressEventRaw.total === "number" ? progressEventRaw.total : null;
            this.lengthComputable = !!progressEventRaw.total;
        };

        sinon.ProgressEvent.prototype = new sinon.Event();

        sinon.ProgressEvent.prototype.constructor = sinon.ProgressEvent;

        sinon.CustomEvent = function CustomEvent(type, customData, target) {
            this.initEvent(type, false, false, target);
            this.detail = customData.detail || null;
        };

        sinon.CustomEvent.prototype = new sinon.Event();

        sinon.CustomEvent.prototype.constructor = sinon.CustomEvent;

        sinon.EventTarget = {
            addEventListener: function addEventListener(event, listener) {
                this.eventListeners = this.eventListeners || {};
                this.eventListeners[event] = this.eventListeners[event] || [];
                push.call(this.eventListeners[event], listener);
            },

            removeEventListener: function removeEventListener(event, listener) {
                var listeners = this.eventListeners && this.eventListeners[event] || [];

                for (var i = 0, l = listeners.length; i < l; ++i) {
                    if (listeners[i] === listener) {
                        return listeners.splice(i, 1);
                    }
                }
            },

            dispatchEvent: function dispatchEvent(event) {
                var type = event.type;
                var listeners = this.eventListeners && this.eventListeners[type] || [];

                for (var i = 0; i < listeners.length; i++) {
                    if (typeof listeners[i] === "function") {
                        listeners[i].call(this, event);
                    } else {
                        listeners[i].handleEvent(event);
                    }
                }

                return !!event.defaultPrevented;
            }
        };
    }

    var isNode = typeof module !== "undefined" && module.exports && typeof require === "function";
    var isAMD = typeof define === "function" && typeof define.amd === "object" && define.amd;

    function loadDependencies(require) {
        var sinon = require("./core");
        makeApi(sinon);
    }

    if (isAMD) {
        define(loadDependencies);
    } else if (isNode) {
        loadDependencies(require);
    } else {
        makeApi(sinon); // eslint-disable-line no-undef
    }
}());
