global class ScheduleReportNew implements Schedulable{

    global Set<String> emailList;
    global string schId;


    global void execute(SchedulableContext SC) {
        if(emailList.size() > 0){
            List<string> emailIds = new List<string>();
            emailIds.addAll(emailList);

            Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
            mail.setToAddresses(emailIds);
            mail.setSubject('Report Generated');
            mail.setBccSender(false);
            mail.setUseSignature(false);
            mail.setPlainTextBody('Please find Report enclosed with this email.');

            PageReference pg = new PageReference('/apex/PreviewReportNew?schId='+schId);
            blob pdfBlob = pg.getContent();

            List<Messaging.Emailfileattachment> fileAttachments = new List<Messaging.Emailfileattachment>();
            Messaging.Emailfileattachment efa = new Messaging.Emailfileattachment();
            efa.setFileName('Report - ('+Datetime.now().formatGMT('yyyy-MM-dd')+')' + '.pdf');
            efa.setBody(pdfBlob);
            fileAttachments.add(efa);

            mail.setFileAttachments(fileAttachments);
            Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
        }
    }
    public ScheduleReportNew (){}

    public ScheduleReportNew (Set<String> emailids, Id attachMentId) {

    }

    public ScheduleReportNew (Set<String> emailids, string schId) {
        emailList = emailids;
        this.schId = schId;
    }

}