#include "__IMAP_DELETE.h"
#include "IMAPArgs.h"
#include "IMAPServer.h"
#include <filesystem>

namespace mail {

   int __IMAP_DELETE::processCommand(coreutils::ZString &request, IMAPSession &session, IMAPServer &server) {
      if (session.state == IMAPSession::NOT_AUTHENTICATED) {
         session.out << session.tag << " NO Not authenticated" << CRLF;
         return 1;
      }

      coreutils::ZString nameArg = IMAPArgs::nextArgument(request);
      std::string folderName = IMAPArgs::normalizeFolderName(IMAPArgs::unwrap(nameArg));
      coreutils::ZString userNameZ(session.userName);

      if (!IMAPArgs::isValidFolderName(folderName) || !server.mailFileSystem.ifFolderExists(userNameZ, folderName)) {
         session.out << session.tag << " NO Mailbox does not exist" << CRLF;
         return 1;
      }
      // RFC 3501 6.3.4 permits refusing to delete INBOX outright rather
      // than implementing its special "move messages out, keep INBOX
      // itself" semantics.
      if (folderName == "Inbox") {
         session.out << session.tag << " NO INBOX cannot be deleted" << CRLF;
         return 1;
      }

      std::error_code errorCode;
      std::filesystem::remove_all(server.mailFileSystem.getFolderPath(userNameZ, folderName).str(), errorCode);
      if (errorCode) {
         session.out << session.tag << " NO DELETE failed" << CRLF;
         return 1;
      }

      if (session.state == IMAPSession::SELECTED && session.selectedFolderName == folderName)
         session.state = IMAPSession::AUTHENTICATED;

      session.out << session.tag << " OK DELETE completed" << CRLF;
      return 1;
   }

}