// 转义聊天内容中的特殊字符
function replaceContent(content) {
    // 支持的html标签
    var html = function (end) {
        return new RegExp('\\n*\\[' + (end || '') + '(pre|div|span|p|table|thead|th|tbody|tr|td|ul|li|ol|li|dl|dt|dd|h2|h3|h4|h5)([\\s\\S]*?)\\]\\n*', 'g');
    };
    content = (content || '').replace(/&(?!#?[a-zA-Z0-9]+;)/g, '&')
        .replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/'/g, '&#39;').replace(/"/g, '&quot;') // XSS
        .replace(/@(\S+)(\s+?|$)/g, '@<a href="javascript:;">$1</a>$2') // 转义@

        .replace(/face\[([^\s\[\]]+?)\]/g, function (face) {  // 转义表情
            var alt = face.replace(/^face/g, '');
            return '<img alt="' + alt + '" title="' + alt + '" src="' + faces[alt] + '">';
        })
        .replace(/img\[([^\s]+?)\]/g, function (img) {  // 转义图片
            return '<img class="layui-mylink-photos" onclick="showBigPic(this)"  id="" payment="" src="' + img.replace(/(^img\[)|(\]$)/g, '') + '" width="100px" height="100px">';
        })
        .replace(/file\([\s\S]+?\)\[[\s\S]*?\]/g, function (str) { // 转义文件
            var href = (str.match(/file\(([\s\S]+?)\)\[/) || [])[1];
            var text = (str.match(/\)\[([\s\S]*?)\]/) || [])[1];
            if (!href) return str;
            return '<a class="layui-mylink-file" href="' + href + '" download target="_blank"><i class="layui-icon">&#xe61e;</i><cite>' + (text || href) + '</cite></a>';
        })
        .replace(/a\([\s\S]+?\)\[[\s\S]*?\]/g, function (str) { // 转义链接
            var href = (str.match(/a\(([\s\S]+?)\)\[/) || [])[1];
            var text = (str.match(/\)\[([\s\S]*?)\]/) || [])[1];
            if (!href) return str;
            return '<a href="' + href + '" target="_blank">' + (text || href) + '</a>';
        }).replace(html(), '\<$1 $2\>').replace(html('/'), '\</$1\>') // 转移HTML代码
        .replace(/\n/g, '<br>') // 转义换行

    return content;
};

// 表情替换
var faces = function () {
    var alt = getFacesIcon(), arr = {};
    layui.each(alt, function (index, item) {
        arr[item] = '/static/service/js/layui/images/face/' + index + '.png';
    });
    return arr;
}();

// 表情对应数组
function getFacesIcon() {
    return ["[白眼]", "[抱歉]", "[崩溃]", "[啵一个]", "[不理你了]", "[不要]", "[呲牙]", "[打呼]", "[担心]", "[得意]", "[发抖]",
        "[犯错]", "[愤怒]", "[感冒]", "[鬼脸]", "[汗]", "[吼吼]", "[焦虑]", "[惊呆]", "[囧]", "[可爱]", "[可怕]",
        "[冷汗]", "[冷漠]", "[脸红]", "[流鼻涕]", "[流口水]", "[流泪]", "[冒金星]", "[么么哒]", "[难受]", "[气死了]", "[色]", "[傻笑]", "[生气]",
        "[使眼色]", "[是吗]", "[睡]", "[思考]", "[天使]", "[调皮]", "[偷笑]", "[吐舌头]", "[微笑]", "[委屈]", "[无语]", "[嫌弃]", "[笑哭]",
        "[笑死了]"
    ]
}

/**
 * 生成uuid
 * @param {*} prefix 前缀
 */
function uuid(prefix = '') {
    // 生成随机值
    function S4() {
        return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
    }
    var id = prefix + (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4());
    return id;
}

/**
 * 获取时间
 */
function getTime() {
    var myDate = new Date();
    var year = myDate.getFullYear();
    var month = myDate.getMonth() + 1;
    var date = myDate.getDate();
    var hour = myDate.getHours();
    var minute = myDate.getMinutes();
    var s = myDate.getSeconds();
    if (date < 10) date = '0' + date;
    if (month < 10) month = '0' + month;
    if (hour < 10) hour = '0' + hour;
    if (minute < 10) minute = '0' + minute;
    if (s < 10) s = '0' + s;


    return year + '-' + month + "-" + date + " " + hour + ':' + minute + ':' + s;
}

/**
 * 检测消息聊天时间
 * @param {*} chat_list_id 
 * @param {*} chat_list_id 
 * @return true: 显示时间， false: 不显示时间 
 */
function checkMegTime(next_time = '', new_data, msg_time) {
    // 最新的一个时间块
    if (!next_time) return true;
    //replace方法将-转为/
    var next_time_begin = new Date(next_time.replace(/-/g, "/"));
    var new_time_begin = new Date(new_data.replace(/-/g, "/"));
    // 相差是时间毫秒
    var date_diff = new_time_begin.getTime() - next_time_begin.getTime();
    var leave1 = date_diff % (24 * 3600 * 1000) //计算天数后剩余的毫秒数
    // 计算相差分钟数
    var leave2 = leave1 % (3600 * 1000) //计算小时数后剩余的毫秒数
    var minutes = Math.floor(leave2 / (60 * 1000)) //计算相差分钟数

    if (minutes >= msg_time) return true;
    return false;
}

function getCutout(obj) {
    var index = obj.lastIndexOf("[");
    obj = obj.substring(index, obj.length);
    return obj;
}