/*
 Input Mask plugin dependencyLib
 http://github.com/RobinHerbots/jquery.inputmask
 Copyright (c) 2010 -  Robin Herbots
 Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
 */
(function (factory) {
    if (typeof define === "function" && define.amd) {
        define(["../global/window", "../global/document"], factory);
    } else if (typeof exports === "object") {
        module.exports = factory(require("../global/window"), require("../global/document"));
    } else {
        window.dependencyLib = factory(window, document);
    }
}
(function (window, document) {

    //helper functions

    // Use a stripped-down indexOf as it's faster than native
    // http://jsperf.com/thor-indexof-vs-for/5
    function indexOf(list, elem) {
        var i = 0,
            len = list.length;
        for (; i < len; i++) {
            if (list[i] === elem) {
                return i;
            }
        }
        return -1;
    }

    function isWindow(obj) {
        return obj != null && obj === obj.window;
    }

    function isArraylike(obj) {
        // Support: iOS 8.2 (not reproducible in simulator)
        // `in` check used to prevent JIT error (gh-2145)
        // hasOwn isn't used here due to false negatives
        // regarding Nodelist length in IE
        var length = "length" in obj && obj.length,
            ltype = typeof obj;

        if (ltype === "function" || isWindow(obj)) {
            return false;
        }

        if (obj.nodeType === 1 && length) {
            return true;
        }

        return ltype === "array" || length === 0 ||
            typeof length === "number" && length > 0 && (length - 1) in obj;
    }

    function isValidElement(elem) {
        return elem instanceof Element;
    }

    function DependencyLib(elem) {
        if (elem instanceof DependencyLib) {
            return elem;
        }
        if (!(this instanceof DependencyLib)) {
            return new DependencyLib(elem);
        }
        if (elem !== undefined && elem !== null && elem !== window) {
            this[0] = elem.nodeName ? elem : (elem[0] !== undefined && elem[0].nodeName ? elem[0] : document.querySelector(elem));
            if (this[0] !== undefined && this[0] !== null) {
                this[0].eventRegistry = this[0].eventRegistry || {};
            }
        }
    }

    function getWindow(elem) {
        return isWindow(elem) ?
            elem :
            elem.nodeType === 9 ?
                elem.defaultView || elem.parentWindow :
                false;
    }

    DependencyLib.prototype = {
        on: function (events, handler) {
            if (isValidElement(this[0])) {
                var eventRegistry = this[0].eventRegistry,
                    elem = this[0];

                function addEvent(ev, namespace) {
                    //register domevent
                    if (elem.addEventListener) { // all browsers except IE before version 9
                        elem.addEventListener(ev, handler, false);
                    } else if (elem.attachEvent) { // IE before version 9
                        elem.attachEvent("on" + ev, handler);
                    }
                    eventRegistry[ev] = eventRegistry[ev] || {};
                    eventRegistry[ev][namespace] = eventRegistry[ev][namespace] || [];
                    eventRegistry[ev][namespace].push(handler);
                }

                var _events = events.split(" ");
                for (var endx = 0; endx < _events.length; endx++) {
                    var nsEvent = _events[endx].split("."),
                        ev = nsEvent[0],
                        namespace = nsEvent[1] || "global";
                    addEvent(ev, namespace);
                }
            }
            return this;
        },
        off: function (events, handler) {
            if (isValidElement(this[0])) {
                var eventRegistry = this[0].eventRegistry,
                    elem = this[0];

                function removeEvent(ev, namespace, handler) {
                    if (ev in eventRegistry === true) {
                        //unbind to dom events
                        if (elem.removeEventListener) { // all browsers except IE before version 9
                            elem.removeEventListener(ev, handler, false);
                        } else if (elem.detachEvent) { // IE before version 9
                            elem.detachEvent("on" + ev, handler);
                        }
                        if (namespace === "global") {
                            for (var nmsp in eventRegistry[ev]) {
                                eventRegistry[ev][nmsp].splice(eventRegistry[ev][nmsp].indexOf(handler), 1);
                            }
                        } else {
                            eventRegistry[ev][namespace].splice(eventRegistry[ev][namespace].indexOf(handler), 1);
                        }
                    }
                }

                function resolveNamespace(ev, namespace) {
                    var evts = [],
                        hndx, hndL;
                    if (ev.length > 0) {
                        if (handler === undefined) {
                            for (hndx = 0, hndL = eventRegistry[ev][namespace].length; hndx < hndL; hndx++) {
                                evts.push({
                                    ev: ev,
                                    namespace: namespace && namespace.length > 0 ? namespace : "global",
                                    handler: eventRegistry[ev][namespace][hndx]
                                });
                            }
                        } else {
                            evts.push({
                                ev: ev,
                                namespace: namespace && namespace.length > 0 ? namespace : "global",
                                handler: handler
                            });
                        }
                    } else if (namespace.length > 0) {
                        for (var evNdx in eventRegistry) {
                            for (var nmsp in eventRegistry[evNdx]) {
                                if (nmsp === namespace) {
                                    if (handler === undefined) {
                                        for (hndx = 0, hndL = eventRegistry[evNdx][nmsp].length; hndx < hndL; hndx++) {
                                            evts.push({
                                                ev: evNdx,
                                                namespace: nmsp,
                                                handler: eventRegistry[evNdx][nmsp][hndx]
                                            });
                                        }
                                    } else {
                                        evts.push({
                                            ev: evNdx,
                                            namespace: nmsp,
                                            handler: handler
                                        });
                                    }
                                }
                            }
                        }
                    }

                    return evts;
                }

                var _events = events.split(" ");
                for (var endx = 0; endx < _events.length; endx++) {
                    var nsEvent = _events[endx].split("."),
                        offEvents = resolveNamespace(nsEvent[0], nsEvent[1]);
                    for (var i = 0, offEventsL = offEvents.length; i < offEventsL; i++) {
                        removeEvent(offEvents[i].ev, offEvents[i].namespace, offEvents[i].handler);
                    }
                }
            }
            return this;
        },
        trigger: function (events /* , args... */) {
            if (isValidElement(this[0])) {
                var eventRegistry = this[0].eventRegistry,
                    elem = this[0];
                var _events = typeof events === "string" ? events.split(" ") : [events.type];
                for (var endx = 0; endx < _events.length; endx++) {
                    var nsEvent = _events[endx].split("."),
                        ev = nsEvent[0],
                        namespace = nsEvent[1] || "global";
                    if (document !== undefined && namespace === "global") {
                        //trigger domevent
                        var evnt, i, params = {
                            bubbles: true,
                            cancelable: true,
                            detail: Array.prototype.slice.call(arguments, 1)
                        };
                        // The custom event that will be created
                        if (document.createEvent) {
                            try {
                                evnt = new CustomEvent(ev, params);
                            } catch (e) {
                                evnt = document.createEvent("CustomEvent");
                                evnt.initCustomEvent(ev, params.bubbles, params.cancelable, params.detail);
                            }
                            if (events.type) DependencyLib.extend(evnt, events);
                            elem.dispatchEvent(evnt);
                        } else {
                            evnt = document.createEventObject();
                            evnt.eventType = ev;
                            if (events.type) DependencyLib.extend(evnt, events);
                            elem.fireEvent("on" + evnt.eventType, evnt);
                        }
                    } else if (eventRegistry[ev] !== undefined) {
                        arguments[0] = arguments[0].type ? arguments[0] : DependencyLib.Event(arguments[0]);
                        if (namespace === "global") {
                            for (var nmsp in eventRegistry[ev]) {
                                for (i = 0; i < eventRegistry[ev][nmsp].length; i++) {
                                    eventRegistry[ev][nmsp][i].apply(elem, arguments);
                                }
                            }
                        } else {
                            for (i = 0; i < eventRegistry[ev][namespace].length; i++) {
                                eventRegistry[ev][namespace][i].apply(elem, arguments);
                            }
                        }
                    }
                }
            }
            return this;
        }
    };

    //static
    DependencyLib.isFunction = function (obj) {
        return typeof obj === "function";
    };
    DependencyLib.noop = function () {
    };
    DependencyLib.isArray = Array.isArray;
    DependencyLib.inArray = function (elem, arr, i) {
        return arr == null ? -1 : indexOf(arr, elem, i);
    };
    DependencyLib.valHooks = undefined;


    DependencyLib.isPlainObject = function (obj) {
        // Not plain objects:
        // - Any object or value whose internal [[Class]] property is not "[object Object]"
        // - DOM nodes
        // - window
        if (typeof obj !== "object" || obj.nodeType || isWindow(obj)) {
            return false;
        }

        if (obj.constructor && !Object.hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf")) {
            return false;
        }

        // If the function hasn't returned already, we're confident that
        // |obj| is a plain object, created by {} or constructed with new Object
        return true;
    };

    DependencyLib.extend = function () {
        var options, name, src, copy, copyIsArray, clone,
            target = arguments[0] || {},
            i = 1,
            length = arguments.length,
            deep = false;

        // Handle a deep copy situation
        if (typeof target === "boolean") {
            deep = target;

            // Skip the boolean and the target
            target = arguments[i] || {};
            i++;
        }

        // Handle case when target is a string or something (possible in deep copy)
        if (typeof target !== "object" && !DependencyLib.isFunction(target)) {
            target = {};
        }

        // Extend jQuery itself if only one argument is passed
        if (i === length) {
            target = this;
            i--;
        }

        for (; i < length; i++) {
            // Only deal with non-null/undefined values
            if ((options = arguments[i]) != null) {
                // Extend the base object
                for (name in options) {
                    src = target[name];
                    copy = options[name];

                    // Prevent never-ending loop
                    if (target === copy) {
                        continue;
                    }

                    // Recurse if we're merging plain objects or arrays
                    if (deep && copy && (DependencyLib.isPlainObject(copy) || (copyIsArray = DependencyLib.isArray(copy)))) {
                        if (copyIsArray) {
                            copyIsArray = false;
                            clone = src && DependencyLib.isArray(src) ? src : [];

                        } else {
                            clone = src && DependencyLib.isPlainObject(src) ? src : {};
                        }

                        // Never move original objects, clone them
                        target[name] = DependencyLib.extend(deep, clone, copy);

                        // Don't bring in undefined values
                    } else if (copy !== undefined) {
                        target[name] = copy;
                    }
                }
            }
        }

        // Return the modified object
        return target;
    };

    DependencyLib.each = function (obj, callback) {
        var value, i = 0;

        if (isArraylike(obj)) {
            for (var length = obj.length; i < length; i++) {
                value = callback.call(obj[i], i, obj[i]);
                if (value === false) {
                    break;
                }
            }
        } else {
            for (i in obj) {
                value = callback.call(obj[i], i, obj[i]);
                if (value === false) {
                    break;
                }
            }
        }

        return obj;
    };

    DependencyLib.data = function (owner, key, value) {
        if (value === undefined) {
            return owner.__data ? owner.__data[key] : null;
        } else {
            owner.__data = owner.__data || {};
            owner.__data[key] = value;
        }
    };

    if (typeof window.CustomEvent === "function") {
        DependencyLib.Event = window.CustomEvent;
    }
    else {
        DependencyLib.Event = function (event, params) {
            params = params || {bubbles: false, cancelable: false, detail: undefined};
            var evt = document.createEvent('CustomEvent');
            evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
            return evt;
        }
        DependencyLib.Event.prototype = window.Event.prototype;
    }

    return DependencyLib;
}));
