#include "__POP3_LIST.h"
#include "POP3Server.h"

namespace mail {

   int __POP3_LIST::processCommand(coreutils::ZString request, POP3Session &session, POP3Server &server) {
      if (!session.authenticated) {
         session.out << "-ERR Not authenticated" << CRLF;
         return 1;
      }

      request.skipWhitespace();
      coreutils::ZString numArg = request.getTokenExclude(" ");

      if (numArg.getLength() > 0) {
         int msgNum = numArg.asInteger();
         MailFolder::Message *message = pop3FindMessage(session, msgNum);
         if (!message) {
            session.out << "-ERR No such message" << CRLF;
            return 1;
         }
         session.out << "+OK " << msgNum << " " << (int)message->size << CRLF;
         return 1;
      }

      const auto &messages = session.mailbox.messages();
      int count = 0;
      long totalSize = 0;
      for (size_t i = 0; i < messages.size(); ++i) {
         if (session.deletedMarks.count((int)(i + 1)) == 0) {
            ++count;
            totalSize += (long)messages[i].size;
         }
      }
      session.out << "+OK " << count << " messages (" << totalSize << " octets)" << CRLF;
      for (size_t i = 0; i < messages.size(); ++i)
         if (session.deletedMarks.count((int)(i + 1)) == 0)
            session.out << (i + 1) << " " << (int)messages[i].size << CRLF;
      session.out << "." << CRLF;
      return 1;
   }

}