/*
 * APICloud JavaScript Library
 * Copyright (c) 2014 apicloud.com
 */
(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('$api.css Function need el param, el param must be DOM Element');
            return;
        }
        if (typeof css == 'string' && css.indexOf(':') > 0) {
            el.style && (el.style.cssText += ';' + css);
        }
    };
    u.cssVal = function(el, prop) {
        if (!u.isElement(el)) {
            console.warn('$api.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);