Admin tool - Verify.js

/*
activation_example:!verify-admin @Astrid, !verify-admin -help
regex:^!verify-admin\u0020?
flags:gi
*/

if (current.channel == 'GD51HTR46' || current.channel == 'G9LAJG7G8' || current.channel == 'G7M4AP6U8') { //admin channels on sndevs
    var messageBody = '';
    var userId = '';
    var description = '';
    var verificationStatus = null;
    var slacker = new x_snc_slackerbot.Slacker();
  
    // Grab user ID and then prep invocation if User-visible info provided
    var invocation = current.text.replace(/^!verify-admin\u0020?/gi,'').trim();
    var paramArr = invocation.split(' ');

    if(paramArr.length == 0){
        messageBody = '!verify-admin must be called with a user tag, followed by an optional parameter and optional description. For example: `!verify-admin @Astrid -unv Is an Impasta`\n\nThe full list of accepted triggers can be found by sending `!verify-admin -help`';
    }

    if(paramArr.length == 1){
        if(paramArr[0] == '-help'){
            messageBody = 'Admin Tool - Verify user\nA parser for setting user verification and descriptions. *Note:* This parser can only be triggered from admin channels specified.\n\nUsage: `!verify-admin @username [-v|-unv] [message]`\nExamples:\n`!verify-admin @Astrid -unv Is an Impasta`\n`!verify-admin @Astrid Some Role, Some Company`\n`!verify-admin @Astrid -v`\n\nSupported flags:\n-v: Verify the user\n-unv: Remove verification from user\n-help: Show this message';
        } else {
            messageBody = '!verify-admin must be called with a user tag, followed by an optional parameter and optional description. For example: `!verify-admin @Astrid -unv Is an Impasta`\n\nThe full list of accepted triggers can be found by sending `!verify-admin -help`';
        }
    }

    if(paramArr.length >= 2){
        if(/^<@.*?>$/.test(paramArr[0])){
            userId = paramArr[0].replace(/[<>@]/g,'');
            paramArr.shift();
        } else {
            messageBody = '!verify-admin must be called with a user tag, followed by an optional parameter and optional description. For example: `!verify-admin @Astrid -unv Is an Impasta`\n\nThe full list of accepted triggers can be found by sending `!verify-admin -help`';
        }
    }
    
    if(messageBody.length > 0 || userId.length == 0){
        if(messageBody.length == 0 && userId.length == 0){
            messageBody = 'The provided user details are malformed, meaning the user cannot be verified.';
        }
        slacker.send_chat(current, messageBody, true);
    } else {
        if(paramArr.indexOf('-v') > -1 && paramArr.indexOf('-unv') > -1){
            messageBody = 'Please only provide one verify parameter in your message. Verification message ignored.';
            slacker.send_chat(current, messageBody, true);
        } else {
            if(paramArr.indexOf('-v') > -1){
                verificationStatus = true;
            }

            if(paramArr.indexOf('-unv') > -1){
                verificationStatus = false;
            }

            if(verificationStatus != null){
                paramArr = paramArr.filter(function(val){
                    return (val != '-v' && val != '-unv');
                })
            }

            description = paramArr.join(' ');
            var grUser = new GlideRecord('x_snc_slackerbot_user');
            if(grUser.get('user_id',userId)){
                verificationStatus != null ? grUser.setValue('verified',verificationStatus) : null;
                description.length > 0 ? grUser.setValue('user_info',description) : null;
                grUser.update();

                messageBody = 'Updated <@' + userId + '>\'s verification information. Run `!verify` or `!whois` to verify output.';
            } else {
                messageBody += 'I\'m afraid I can\'t do that as the user does not exist.';
            }
            slacker.send_chat(current, messageBody, true);
        }
    }
  }