var app = {

    // 简单的点击实现元素展开和收缩的功能
    clickToggle: function(elea, eleb) {
        $(elea).click(function() {
            if (!$(eleb).is(':visible')) {
                $(this).addClass('clicked');
                $(eleb).slideDown();
            } else {
                $(this).removeClass('clicked');
                $(eleb).slideUp();
            }
        })
    },

    //返回顶部
    backTop: function(ele, time) {
        $(ele).click(function() {
            $('html, body').animate({
                scrollTop: '0'
            }, time);
        })
    },

    // 随机数字
    RndNum: function(n) {
        var rand = "";
        for (var i = 0; i < n; i++)
            rand += Math.floor(Math.random() * 10);
        return rand;
    },

    //切换验证码图片
    changCode: function(url, width, height) {
        var rand = new Date().getTime();
        var str = url + 'source/include/imagecode.php?act=verifycode&width=' + width + '&height=' + height + '&random=' + rand + this.RndNum(4);
        $("#checkCodeImg").attr("src", str);
    },

    // tab 切换
    tabs: function(tabs, tab_box, _event) {
        $(tab_box).hide();
        $(tab_box).eq(0).show();
        $(tabs).eq(0).addClass('on');
        $(tabs).bind(_event, function() {
            $(this).addClass("on").siblings().removeClass("on");
            var _index = $(this).index();
            $(tab_box).eq(_index).show().siblings().hide();
        })
    },

    // 手机站跳转
    mobile: function() {
        if ((navigator.userAgent.match(/(iPhone|iPod|Android|ios)/i))) {
            var pathname = location.pathname;
            var urlArray = pathname.split("/");
            var murl = '';

            if ((this.config.mUrl.match(urlArray[1]))) {
                for (i = 2; i < urlArray.length; i++) {
                    murl = murl + "/" + urlArray[i];
                }
                murl = (this.config.mUrl + murl).replace('m//', 'm/');
            } else {
                murl = this.config.mUrl + pathname.substr(1);
            }

            if (urlArray[2] == 'p') {
                window.location.href = this.config.mUrl;
            } else {
                location.replace(murl);
            }
            location.replace(murl);
        }
    },

    // 是否支持 placeholder 属性
    placeholderSupport: function() {
        return 'placeholder' in document.createElement('input');
    },
    // ie9 兼容 placeholder
    iePlaceholder: function() {
        $("[placeholder]").each(function() {
            var _this = $(this);
            _this.wrapAll('<div class="input-box"></div>');
            var left = _this.css("padding-left");
            _this.parent().append('<span class="placeholder" data-type="placeholder" style="left: ' + left + '">' + _this.attr("placeholder") + '</span>');
            if (_this.val() != "") {
                _this.parent().find("span.placeholder").hide();
            } else {
                _this.parent().find("span.placeholder").show();
            }
        }).on("focus", function() {
            $(this).parent().find("span.placeholder").hide();
        }).on("blur", function() {
            var _this = $(this);
            if (_this.val() != "") {
                _this.parent().find("span.placeholder").hide();
            } else {
                _this.parent().find("span.placeholder").show();
            }
        });
        // 点击表示placeholder的标签相当于触发input
        $("span.placeholder").on("click", function() {
            $(this).hide();
            $(this).siblings("[placeholder]").trigger("click");
            $(this).siblings("[placeholder]").trigger("focus");
        });
        $("input[name='checkcode']").css('width', '100%').parents('.input-box').css('display', 'inline-block');
    },
    // 防复制代码
    antiClone: function() {
        // 防止ctrl+C
        document.onkeydown = function(e) {
            var e = e || event;
            if (e.ctrlKey == 1 && e.keyCode == 67) {
                return false;
            }
        };
        // 阻止复制
        document.body.oncopy = function() { return false; };
        //禁止选取
        document.body.onselectstart = document.body.oncontextmenu = function() { return false; };
    },
    // 访客统计
    judgeTerminalBrowser: function(userAgent) {
        var data = {
            os: undefined,
            browser: undefined
        };
        var terminal = {
            'windows nt 10': 'Windows 10',
            'windows nt 6.3': 'Windows 8.1',
            'windows nt 6.2': 'Windows 8',
            'windows nt 6.1': 'Windows 7',
            'windows nt 6.0': 'Windows Vista',
            'windows nt 5.2': 'Windows Server 2003XP x64',
            'windows nt 5.1': 'Windows XP',
            'windows xp': 'Windows XP',
            'windows nt 5.0': 'Windows 2000',
            'windows me': 'Windows ME',
            'win98': 'Windows 98',
            'win95': 'Windows 95',
            'win16': 'Windows 3.11',
            'macintosh|mac os x': 'Mac OS X',
            'mac_powerpc': 'Mac OS 9',
            'linux': 'Linux',
            'ubuntu': 'Ubuntu',
            'phone': 'iPhone',
            'pod': 'iPod',
            'pad': 'iPad',
            'android': 'Android',
            'blackberry': 'BlackBerry',
            'webos': 'Mobile',
            'freebsd': 'FreeBSD',
            'sunos': 'Solaris'
        };


        Object.keys(terminal).forEach(function(key) {
            if (new RegExp(key).test(userAgent.toLowerCase())) {
                data.os = terminal[key];
                return true;
            }
        });

        if (regs = userAgent.match(/MSIE\s(\d+)\..*/)) {
            // ie 除11
            data.browser = 'IE ' + regs['1'];
        } else if (regs = userAgent.match(/Firefox\/(\d+)\..*/)) {
            data.browser = 'FIREFOX';
        } else if (regs = userAgent.match(/Opera[\s|\/](\d+)\..*/)) {
            data.browser = 'OPERA';
        } else if (regs = userAgent.match(/Chrome\/(\d+)\..*/)) {
            data.browser = 'CHROME';
        } else if (regs = userAgent.match(/Safari\/(\d+)\..*$/)) {
            // chrome浏览器都声明了safari
            data.browser = 'SAFARI';
        } else if (regs = userAgent.match(/rv:(\d+)\..*/)) {
            // ie 11
            data.browser = 'IE ' + regs['1'];
        }

        $.ajax({
            url: this.config.homeUrl + 'source/include/visitor.php',
            type: 'POST',
            contentType: 'application/x-www-form-urlencoded',
            data: data
        })
    }
};