(function(mod) {
    if (typeof exports == "object" && typeof module == "object") // commonjs 规范
        module.exports = mod;
    else if (typeof define == "function" && define.amd) // amd 规范
        return define(['jquery', 'jquery.validate'], mod);
    else // plain browser env 浏览器
        this.tools = mod();
})(function() {
    var tools = {};

    tools.check_cookie = function() {
        if (window.navigator.cookieenabled)
            return true;
        else {
            alert("浏览器配置错误，cookie不可用！");
            return false;
        }
    };

    tools.set_cookie = function(name, value) {
        var days = 30; //此 cookie 将被保存 30 天
        var exp = new date(); //new date("december 31, 9998");
        exp.settime(exp.gettime() + days * 24 * 60 * 60 * 1000);
        document.cookie = name + "=" + escape(value) + ";expires=" + exp.togmtstring();
    };

    tools.get_cookie = function(name) {
        var arr = document.cookie.match(new regexp("(^| )" + name + "=([^;]*)(;|$)"));
        if (arr !== null) {
            return unescape(arr[2]);
        } else {
            return null;
        }

        // var regexp = new regexp("(?:^" + name + "|;\s*"+ name + ")=(.*?)(?:;|$)", "g");
        // var result = regexp.exec(document.cookie);
        // return (result === null) ? null : result[1];
    };

    tools.del_cookie = function(name) {
        var exp = new date();
        exp.settime(exp.gettime() - 1);
        var cval = getcookie(name);
        if (cval !== null) {
            document.cookie = name + "=" + cval + ";expires=" + exp.togmtstring();
        }
    };

    // 检测空对象
    // 空则返回true
    tools.isemptyvalue = function(value) {
        var type;
        if (value === null) { // 等同于 value === undefined || value === null
            return true;
        }
        type = object.prototype.tostring.call(value).slice(8, -1);
        switch (type) {
            case 'string':
                return !!$.trim(value);
            case 'array':
                return !value.length;
            case 'object':
                // return $.isemptyobject(value);
                return !value.length;
            default:
                return false;
        }
    };

    tools.isempty = function(v) {
        if (v instanceof string) {
            var r = /^\s*$/;
            return r.test(v);
        } else if (v instanceof array) {
            return !v.length;
        } else if (v instanceof object) {
            return v === {};
        } else {
            return false;
        }
    };

    tools.is_set = function(value) {
        if (typeof(value) == "undefined") {
            return false;
        } else {
            return true;
        }
    };

    // 解析url路径
    tools.parseurl = function(url) {
        var a = document.createelement('a');
        a.href = url;
        return {
            source: url,
            protocol: a.protocol.replace(':', ''),
            host: a.hostname,
            port: a.port,
            query: a.search,
            params: (function() {
                var ret = [],
                    seg = a.search.replace(/^\?/, '').split('&'),
                    len = seg.length,
                    i = 0,
                    s;
                for (; i < len; i++) {
                    if (!seg[i]) { continue; }
                    s = seg[i].split('=');
                    ret[i] = { "key": s[0], "val": s[1] };
                }
                return ret;
            })(),
            file: (a.pathname.match(/\/([^\/?#]+)$/i) || [, ''])[1],
            hash: a.hash.replace('#', ''),
            path: a.pathname.replace(/^([^\/])/, '/$1'),
            relative: (a.href.match(/tps?:\/\/[^\/]+(.+)/) || [, ''])[1],
            segments: a.pathname.replace(/^\//, '').split('/')
        };
    };

    // todo: url params change

    /**
     * 图片头数据加载就绪事件
     * @version	2011.05.27
     * @author	tangbin
     * @see		http://www.planeart.cn/?p=1121
     * @param	{string}	图片路径
     * @param	{function}	尺寸就绪
     * @param	{function}	加载完毕 (可选)
     * @param	{function}	加载错误 (可选)
     * @example imgready('http://www.google.com.hk/intl/zh-cn/images/logo_cn.png', function () {
            alert('size ready: width=' + this.width + '; height=' + this.height);
        });
     */
    tools.imgready = (function() {
        var list = [];
        var intervalid = null;

        // 用来执行队列
        var tick = function() {
            var i = 0;
            for (; i < list.length; i++) {
                list[i].end ? list.splice(i--, 1) : list[i]();
            }!list.length && stop();
        };

        // 停止所有定时器队列
        var stop = function() {
            clearinterval(intervalid);
            intervalid = null;
        };

        return function(url, ready, load, error) {
            var onready, width, height, newwidth, newheight,
                img = new image();

            img.src = url;

            // 如果图片被缓存，则直接返回缓存数据
            if (img.complete) {
                ready.call(img);
                load && load.call(img);
                return;
            }

            width = img.width;
            height = img.height;

            // 加载错误后的事件
            img.onerror = function() {
                error && error.call(img);
                onready.end = true;
                img = img.onload = img.onerror = null;
            };

            // 图片尺寸就绪
            onready = function() {
                newwidth = img.width;
                newheight = img.height;
                if (newwidth !== width || newheight !== height ||
                    // 如果图片已经在其他地方加载可使用面积检测
                    newwidth * newheight > 1024
                ) {
                    ready.call(img);
                    onready.end = true;
                }
            };

            onready();

            // 完全加载完毕的事件
            img.onload = function() {
                // onload在定时器时间差范围内可能比onready快
                // 这里进行检查并保证onready优先执行
                !onready.end && onready();
                load && load.call(img);
                // ie gif动画会循环执行onload，置空onload即可
                img = img.onload = img.onerror = null;
            };

            // 加入队列中定期执行
            if (!onready.end) {
                list.push(onready);
                // 无论何时只允许出现一个定时器，减少浏览器性能损耗
                if (intervalid === null) intervalid = setinterval(tick, 40);
            };
        };
    })();

    // 一部加载页面对分页按钮处理 ,id 带有 #
    tools.load_page = function(_url, nodeid) {
        var _load_page = function(__url) {
            $.ajax({
                    url: __url,
                    type: 'get',
                    datatype: 'html'
                })
                .done(function(data) {
                    console.log("success");
                    $(nodeid).html(data);
                    $(nodeid + " .pagination a").each(function(index, el) {
                        var elhref = $(el).attr('href');
                        if (elhref == '#') {
                            elhref = __url;
                            $(el).attr('data-href', __url);
                        } else {
                            $(el).attr('data-href', elhref);
                        }
                        $(el).attr('href', 'javascript:void(0)');
                        // $(el).attr('href',"javascript:tools.load_page('"+elhref+"','"+nodeid+"')");
                    });
                })
                .fail(function() {
                    // console.log("error");
                })
                .always(function() {
                    // console.log("complete");
                });
        };

        _load_page(_url);

        $(nodeid).delegate('a[data-href]', 'click', function() {
            _load_page($(this).attr('data-href'));
        });
    };


    /**
     * @brief 创建表单验证
     * 注意引用  jquery.validate.js 和 jquery.validate.lang.cn.js
     * @param frm  表单 id
     * @param rules 验证规则
     */
    tools.make_validate = function(frm, rules, messages, inline) {
        if (inline === 0) {
            inline = "block";
        } else {
            inline = "inline";
        }
        $('#' + frm).validate({
            ignore: ".ignore", // 忽略
            rules: rules,
            onchange: true,
            onblur: true,
            messages: messages,
            errorclass: "help-" + inline + " validate",
            errorelement: "span",
            highlight: function(element, errorclass, validclass) {
                $(element).parents('.control-group').removeclass('success').addclass('error');
                $(element).removeclass('success').addclass('error');
                $(element).nextall('span.validate').remove();
            },
            unhighlight: function(element, errorclass, validclass) {
                $(element).parents('.control-group').removeclass('error').addclass('success');
                $(element).removeclass('error').addclass('success');
                $(element).nextall('span.validate').remove();
            },
            errorplacement: function(error, element) {
                if (inline == "block") {
                    error.appendto(element.parents(".control-group"));
                } else {
                    element.after(error);
                }
            }
        });
    };

    /**
     * @brief 创建表单验证
               带有返回函数, 可以验证后直接用ajax处理
     * 注意引用  jquery.validate.js 和 jquery.validate.lang.cn.js
     * @param frm  表单 id
     * @param rules 验证规则
     */
    tools.make_validate_submit = function(frm, rules, messages, submit_fun, inline) {
        if (inline === 0) {
            inline = "block";
        } else {
            inline = "inline";
        }
        $('#' + frm).validate({
            ignore: ".ignore", // 忽略
            rules: rules,
            onchange: true,
            onblur: true,
            messages: messages,
            errorclass: "help-inline validate",
            errorelement: "span",
            highlight: function(element, errorclass, validclass) {
                $(element).parents('.control-group').removeclass('success').addclass('error');
                $(element).removeclass('success').addclass('error');
                $(element).nextall('span.validate').remove();
            },
            unhighlight: function(element, errorclass, validclass) {
                $(element).parents('.control-group').removeclass('error').addclass('success');
                $(element).removeclass('error').addclass('success');
                $(element).nextall('span.validate').remove();
            },
            errorplacement: function(error, element) {
                if (inline == "block") {
                    error.appendto(element.parents(".control-group"));
                } else {
                    element.after(error);
                }
            },
            submithandler: function(form) {
                submit_fun(form);
            }
        });
    };

    return tools;
});