global class SMSUtil{

   Public static Twilio_Setting__c setting{get;set;}
   List<Task> msgList;
   Public static Id recordId;
   public  SMSUtil(){
       // recordId = recrdId;
         System.debug(' ============ In Constructor of SMSUtil ==========');
     try{
            setting = [select id, name, AccountId__c, Auth_Token__c, From_Number__c from Twilio_Setting__c where name='Twilio Account'];
        }
        catch(Exception ex){
            ApexPages.Message myMsg = new ApexPages.Message(ApexPages.Severity.ERROR,'Please add custom settings with name "Twilio Account"');
            ApexPages.addMessage(myMsg);
        }

   }
   @future(callout=true)
   public static void sendSms(String toNumber, String body){

         try{

         System.debug(' ============ In SendSMS method ==========');

       //  recordId  = recrdId;
        setting = [select id, name, AccountId__c, Auth_Token__c, From_Number__c from Twilio_Setting__c where name='Twilio Account'];
        string url='https://api.twilio.com/2010-04-01/Accounts/'+setting.AccountId__c+'/Messages.json';
        string username = setting.AccountId__c;
        string password = setting.Auth_Token__c;


        HttpRequest req = new HttpRequest(); // error on this line
        req.setEndpoint(url);
        req.setMethod('POST');
        req.setBody('From='+EncodingUtil.urlEncode(setting.From_Number__c, 'UTF-8')+'&To='+EncodingUtil.urlEncode(toNumber, 'UTF-8')+'&Body='+EncodingUtil.urlEncode(body, 'UTF-8'));


        system.debug('***'+req.getBody());


        Blob headerValue = Blob.valueOf(username +':' +password);
        req.setHeader('X-Twilio-Client', 'salesforce-3.2.0');
        req.setHeader('User-Agent', 'twilio-salesforce/3.2.0');
        req.setHeader('Accept', 'application/json');
        req.setHeader('Accept-Charset', 'utf-8');
        String authorizationHeader = 'Basic ' + EncodingUtil.base64Encode(headerValue);
        req.setHeader('Authorization',authorizationHeader);
        req.setTimeout(120000);
        Http h = new Http();
        HttpResponse response = h.send(req);
        if(response.getStatusCode()==201){


             system.debug('JSON Response =======>>>  '+response.getBody());

            Map<string,Object> obj = (Map<string,Object>)JSON.deserializeUntyped(response.getBody());
            //msg.fintechLLC__Message_Date__c = datetime.now();
           //msg.fintechLLC__Message__c= (string)obj.get('body');
             system.debug('Messgae Has been Sent');

        }
        else{
            system.debug('Messgae Not Send');
        }


        }Catch(Exception e){
        System.debug('Error on Line'+e.getLineNumber() +e.getMessage());

    }
    }


}