/*
 * JavaScript Library
 * Copyright (c) 2014
 */
(function(window){
    var u = {};
    var isAndroid = (/android/gi).test(navigator.appVersion);
    var uzStorage = function(){
        var ls = window.localStorage;
        if(isAndroid){
           ls = os.localStorage();
        }
        return ls;
    };
    function parseArguments(url, data, fnSuc, dataType) {
        if (typeof(data) == 'function') {
            dataType = fnSuc;
            fnSuc = data;
            data = undefined;
        }
        if (typeof(fnSuc) != 'function') {
            dataType = fnSuc;
            fnSuc = undefined;
        }
        return {
            url: url,
            data: data,
            fnSuc: fnSuc,
            dataType: dataType
        };
    }
    u.trim = function(str){
        if(String.prototype.trim){
            return str == null ? "" : String.prototype.trim.call(str);
        }else{
            return str.replace(/(^\s*)|(\s*$)/g, "");
        }
    };
    u.trimAll = function(str){
        return str.replace(/\s*/g,'');
    };
    u.isElement = function(obj){
        return !!(obj && obj.nodeType == 1);
    };
    u.isArray = function(obj){
        if(Array.isArray){
            return Array.isArray(obj);
        }else{
            return obj instanceof Array;
        }
    };
    u.isEmptyObject = function(obj){
        if(JSON.stringify(obj) === '{}'){
            return true;
        }
        return false;
    };
    u.addEvt = function(el, name, fn, useCapture){
        if(!u.isElement(el)){
            console.warn('$api.addEvt Function need el param, el param must be DOM Element');
            return;
        }
        useCapture = useCapture || false;
        if(el.addEventListener) {
            el.addEventListener(name, fn, useCapture);
        }
    };
    u.rmEvt = function(el, name, fn, useCapture){
        if(!u.isElement(el)){
            console.warn('$api.rmEvt Function need el param, el param must be DOM Element');
            return;
        }
        useCapture = useCapture || false;
        if (el.removeEventListener) {
            el.removeEventListener(name, fn, useCapture);
        }
    };
    u.one = function(el, name, fn, useCapture){
        if(!u.isElement(el)){
            console.warn('$api.one Function need el param, el param must be DOM Element');
            return;
        }
        useCapture = useCapture || false;
        var that = this;
        var cb = function(){
            fn && fn();
            that.rmEvt(el, name, cb, useCapture);
        };
        that.addEvt(el, name, cb, useCapture);
    };
    u.dom = function(el, selector){
        if(arguments.length === 1 && typeof arguments[0] == 'string'){
            if(document.querySelector){
                return document.querySelector(arguments[0]);
            }
        }else if(arguments.length === 2){
            if(el.querySelector){
                return el.querySelector(selector);
            }
        }
    };
    u.domAll = function(el, selector){
        if(arguments.length === 1 && typeof arguments[0] == 'string'){
            if(document.querySelectorAll){
                return document.querySelectorAll(arguments[0]);
            }
        }else if(arguments.length === 2){
            if(el.querySelectorAll){
                return el.querySelectorAll(selector);
            }
        }
    };
    u.byId = function(id){
        return document.getElementById(id);
    };
    u.first = function(el, selector){
        if(arguments.length === 1){
            if(!u.isElement(el)){
                console.warn('$api.first Function need el param, el param must be DOM Element');
                return;
            }
            return el.children[0];
        }
        if(arguments.length === 2){
            return this.dom(el, selector+':first-child');
        }
    };
    u.last = function(el, selector){
        if(arguments.length === 1){
            if(!u.isElement(el)){
                console.warn('$api.last Function need el param, el param must be DOM Element');
                return;
            }
            var children = el.children;
            return children[children.length - 1];
        }
        if(arguments.length === 2){
            return this.dom(el, selector+':last-child');
        }
    };
    u.eq = function(el, index){
        return this.dom(el, ':nth-child('+ index +')');
    };
    u.not = function(el, selector){
        return this.domAll(el, ':not('+ selector +')');
    };
    u.prev = function(el){
        if(!u.isElement(el)){
            console.warn('$api.prev Function need el param, el param must be DOM Element');
            return;
        }
        var node = el.previousSibling;
        if(node.nodeType && node.nodeType === 3){
            node = node.previousSibling;
            return node;
        }
    };
    u.next = function(el){
        if(!u.isElement(el)){
            console.warn('$api.next Function need el param, el param must be DOM Element');
            return;
        }
        var node = el.nextSibling;
        if(node.nodeType && node.nodeType === 3){
            node = node.nextSibling;
            return node;
        }
    };
    u.closest = function(el, selector){
        if(!u.isElement(el)){
            console.warn('$api.closest Function need el param, el param must be DOM Element');
            return;
        }
        var doms, targetDom;
        var isSame = function(doms, el){
            var i = 0, len = doms.length;
            for(i; i<len; i++){
                if(doms[i].isSameNode(el)){
                    return doms[i];
                }
            }
            return false;
        };
        var traversal = function(el, selector){
            doms = u.domAll(el.parentNode, selector);
            targetDom = isSame(doms, el);
            while(!targetDom){
                el = el.parentNode;
                if(el != null && el.nodeType == el.DOCUMENT_NODE){
                    return false;
                }
                traversal(el, selector);
            }

            return targetDom;
        };

        return traversal(el, selector);
    };
    u.contains = function(parent,el){
        var mark = false;
        if(el === parent){
            mark = true;
            return mark;
        }else{
            do{
                el = el.parentNode;
                if(el === parent){
                    mark = true;
                    return mark;
                }
            }while(el === document.body || el === document.documentElement);

            return mark;
        }

    };
    u.remove = function(el){
        if(el && el.parentNode){
            el.parentNode.removeChild(el);
        }
    };
    u.attr = function(el, name, value){
        if(!u.isElement(el)){
            console.warn('$api.attr Function need el param, el param must be DOM Element');
            return;
        }
        if(arguments.length == 2){
            return el.getAttribute(name);
        }else if(arguments.length == 3){
            el.setAttribute(name, value);
            return el;
        }
    };
    u.removeAttr = function(el, name){
        if(!u.isElement(el)){
            console.warn('$api.removeAttr Function need el param, el param must be DOM Element');
            return;
        }
        if(arguments.length === 2){
            el.removeAttribute(name);
        }
    };
    u.hasCls = function(el, cls){
        if(!u.isElement(el)){
            console.warn('$api.hasCls Function need el param, el param must be DOM Element');
            return;
        }
        if(el.className.indexOf(cls) > -1){
            return true;
        }else{
            return false;
        }
    };
    u.addCls = function(el, cls){
        if(!u.isElement(el)){
            console.warn('$api.addCls Function need el param, el param must be DOM Element');
            return;
        }
        if('classList' in el){
            el.classList.add(cls);
        }else{
            var preCls = el.className;
            var newCls = preCls +' '+ cls;
            el.className = newCls;
        }
        return el;
    };
    u.removeCls = function(el, cls){
        if(!u.isElement(el)){
            console.warn('$api.removeCls Function need el param, el param must be DOM Element');
            return;
        }
        if('classList' in el){
            el.classList.remove(cls);
        }else{
            var preCls = el.className;
            var newCls = preCls.replace(cls, '');
            el.className = newCls;
        }
        return el;
    };
    u.toggleCls = function(el, cls){
        if(!u.isElement(el)){
            console.warn('$api.toggleCls Function need el param, el param must be DOM Element');
            return;
        }
       if('classList' in el){
            el.classList.toggle(cls);
        }else{
            if(u.hasCls(el, cls)){
                u.removeCls(el, cls);
            }else{
                u.addCls(el, cls);
            }
        }
        return el;
    };
    u.val = function(el, val){
        if(!u.isElement(el)){
            console.warn('$api.val Function need el param, el param must be DOM Element');
            return;
        }
        if(arguments.length === 1){
            switch(el.tagName){
                case 'SELECT':
                    var value = el.options[el.selectedIndex].value;
                    return value;
                    break;
                case 'INPUT':
                    return el.value;
                    break;
                case 'TEXTAREA':
                    return el.value;
                    break;
            }
        }
        if(arguments.length === 2){
            switch(el.tagName){
                case 'SELECT':
                    el.options[el.selectedIndex].value = val;
                    return el;
                    break;
                case 'INPUT':
                    el.value = val;
                    return el;
                    break;
                case 'TEXTAREA':
                    el.value = val;
                    return el;
                    break;
            }
        }

    };
    u.prepend = function(el, html){
        if(!u.isElement(el)){
            console.warn('$api.prepend Function need el param, el param must be DOM Element');
            return;
        }
        el.insertAdjacentHTML('afterbegin', html);
        return el;
    };
    u.append = function(el, html){
        if(!u.isElement(el)){
            console.warn('$api.append Function need el param, el param must be DOM Element');
            return;
        }
        el.insertAdjacentHTML('beforeend', html);
        return el;
    };
    u.before = function(el, html){
        if(!u.isElement(el)){
            console.warn('$api.before Function need el param, el param must be DOM Element');
            return;
        }
        el.insertAdjacentHTML('beforebegin', html);
        return el;
    };
    u.after = function(el, html){
        if(!u.isElement(el)){
            console.warn('$api.after Function need el param, el param must be DOM Element');
            return;
        }
        el.insertAdjacentHTML('afterend', html);
        return el;
    };
    u.html = function(el, html){
        if(!u.isElement(el)){
            console.warn('$api.html Function need el param, el param must be DOM Element');
            return;
        }
        if(arguments.length === 1){
            return el.innerHTML;
        }else if(arguments.length === 2){
            el.innerHTML = html;
            return el;
        }
    };
    u.text = function(el, txt){
        if(!u.isElement(el)){
            console.warn('$api.text Function need el param, el param must be DOM Element');
            return;
        }
        if(arguments.length === 1){
            return el.textContent;
        }else if(arguments.length === 2){
            el.textContent = txt;
            return el;
        }
    };
    u.offset = function(el){
        if(!u.isElement(el)){
            console.warn('$api.offset Function need el param, el param must be DOM Element');
            return;
        }
        var sl = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);
        var st = Math.max(document.documentElement.scrollTop, document.body.scrollTop);

        var rect = el.getBoundingClientRect();
        return {
            l: rect.left + sl,
            t: rect.top + st,
            w: el.offsetWidth,
            h: el.offsetHeight
        };
    };
    u.css = function(el, css){
        if(!u.isElement(el)){
            console.warn('$apiutil.css Function need el param, el param must be DOM Element');
            return;
        }
        if(typeof css == 'string' && css.indexOf(':') > 0){
            el.style && (el.style.cssText += ';' + css);
        }
    };
    u.cssVal = function(el, prop){
        if(!u.isElement(el)){
            console.warn('$apiutil.cssVal Function need el param, el param must be DOM Element');
            return;
        }
        if(arguments.length === 2){
            var computedStyle = window.getComputedStyle(el, null);
            return computedStyle.getPropertyValue(prop);
        }
    };
    u.jsonToStr = function(json){
        if(typeof json === 'object'){
            return JSON && JSON.stringify(json);
        }
    };
    u.strToJson = function(str){
        if(typeof str === 'string'){
            return JSON && JSON.parse(str);
        }
    };
    u.setStorage = function(key, value){
        if(arguments.length === 2){
            var v = value;
            if(typeof v == 'object'){
                v = JSON.stringify(v);
                v = 'obj-'+ v;
            }else{
                v = 'str-'+ v;
            }
            var ls = uzStorage();
            if(ls){
                ls.setItem(key, v);
            }
        }
    };
    u.getStorage = function(key){
        var ls = uzStorage();
        if(ls){
            var v = ls.getItem(key);
            if(!v){return;}
            if(v.indexOf('obj-') === 0){
                v = v.slice(4);
                return JSON.parse(v);
            }else if(v.indexOf('str-') === 0){
                return v.slice(4);
            }
        }
    };
    u.rmStorage = function(key){
        var ls = uzStorage();
        if(ls && key){
            ls.removeItem(key);
        }
    };
    u.clearStorage = function(){
        var ls = uzStorage();
        if(ls){
            ls.clear();
        }
    };
    u.fixIos7Bar = function(el){
        return u.fixStatusBar(el);
    };
    u.fixStatusBar = function(el){
        if(!u.isElement(el)){
            console.warn('$api.fixStatusBar Function need el param, el param must be DOM Element');
            return 0;
        }
        el.style.paddingTop = api.safeArea.top + 'px';
        return el.offsetHeight;
    };
    u.fixTabBar = function(el){
        if(!u.isElement(el)){
            console.warn('$api.fixTabBar Function need el param, el param must be DOM Element');
            return 0;
        }
        el.style.paddingBottom = api.safeArea.bottom + 'px';
        return el.offsetHeight;
    };
    u.toast = function(title, text, time){
        var opts = {};
        var show = function(opts, time){
            api.showProgress(opts);
            setTimeout(function(){
                api.hideProgress();
            },time);
        };
        if(arguments.length === 1){
            var time = time || 500;
            if(typeof title === 'number'){
                time = title;
            }else{
                opts.title = title+'';
            }
            show(opts, time);
        }else if(arguments.length === 2){
            var time = time || 500;
            var text = text;
            if(typeof text === "number"){
                var tmp = text;
                time = tmp;
                text = null;
            }
            if(title){
                opts.title = title;
            }
            if(text){
                opts.text = text;
            }
            show(opts, time);
        }
        if(title){
            opts.title = title;
        }
        if(text){
            opts.text = text;
        }
        time = time || 500;
        show(opts, time);
    };
    u.post = function(/*url,data,fnSuc,dataType*/){
        var argsToJson = parseArguments.apply(null, arguments);
        var json = {};
        var fnSuc = argsToJson.fnSuc;
        argsToJson.url && (json.url = argsToJson.url);
        argsToJson.data && (json.data = argsToJson.data);
        if(argsToJson.dataType){
            var type = argsToJson.dataType.toLowerCase();
            if (type == 'text'||type == 'json') {
                json.dataType = type;
            }
        }else{
            json.dataType = 'json';
        }
        json.method = 'post';
        api.ajax(json,
            function(ret,err){
                if (ret) {
                    fnSuc && fnSuc(ret);
                }
            }
        );
    };
    u.get = function(/*url,fnSuc,dataType*/){
        var argsToJson = parseArguments.apply(null, arguments);
        var json = {};
        var fnSuc = argsToJson.fnSuc;
        argsToJson.url && (json.url = argsToJson.url);
        //argsToJson.data && (json.data = argsToJson.data);
        if(argsToJson.dataType){
            var type = argsToJson.dataType.toLowerCase();
            if (type == 'text'||type == 'json') {
                json.dataType = type;
            }
        }else{
            json.dataType = 'text';
        }
        json.method = 'get';
        api.ajax(json,
            function(ret,err){
                if (ret) {
                    fnSuc && fnSuc(ret);
                }
            }
        );
    };

/*end*/


    window.$api = u;

})(window);