#include <fstream>

#include <Wt/Mail/Client.h>
#include <Wt/Mail/Message.h>

using namespace std;
using namespace Wt;

std::string SendSMTPEMail(DBAccess::Database *db, std::string const &smtpDomain, std::string const &smtpHost, int port, std::string const &sourceEMail, std::string const &pwd, std::string const &sourceEMailName, std::string const &usrMailBox, std::string const &subject, std::string const &msg, std::string const &attachment)
{

    Mail::Message mailMessage;
    bool okToGo = true;
    filebuf sourceFile;
    if (attachment.length()) {
        try {
            if (sourceFile.open(attachment.c_str(), ios::in | ios::binary)) {
                string mimeType(GetFileMimeType(db, attachment));
                mailMessage.addAttachment(mimeType, attachment, &istream(&sourceFile));
            }
            else
                okToGo = false;
        }
        catch (...) {
            okToGo = false;
        }
    }
    string errorMsg;
    if (okToGo) {
        mailMessage.setFrom(Mail::Mailbox(sourceEMail, sourceEMailName));
        mailMessage.setDate(WLocalDateTime::currentServerDateTime());
        mailMessage.setSubject(subject);
        mailMessage.addRecipient(Mail::RecipientType::To, Mail::Mailbox(usrMailBox));
        mailMessage.setBody(msg);
        Mail::Client mailClient(smtpDomain);
        mailClient.setSslCertificateVerificationEnabled(false);
        mailClient.enableAuthentication(sourceEMail, pwd, Mail::AuthenticationMethod::Login);
        mailClient.setTransportEncryption(Mail::TransportEncryption::StartTLS);
        if (mailClient.connect(smtpHost, port)) {
            if (mailClient.send(mailMessage))
                errorMsg = "AllOk";
            else
                errorMsg = WString::tr("bad.email.send").arg(usrMailBox).toUTF8();
        else
            errorMsg = WString::tr("bad.host.connect").toUTF8();
    }
    else
        errorMsg = WString::tr("bad.email.attachment").arg(usrMailBox).arg(attachment).toUTF8();
    sourceFile.close();
    return(errorMsg);

}