/**
 *  @file  operator-id.cc
 *  @brief Operator for the ID extension. Described in RFC2971 Oct 2000.
 *  @author Erwin Hoffmann
 *  @date 22.09.2023
 */

#include "depot.h"
#include "globals.h"
#include "iodevice.h"
#include "iofactory.h"
#include "operators.h"
#include "recursivedescent.h"
#include "session.h"

#include <iostream>
#include <string>

using namespace Binc;

IdOperator::IdOperator() {}

IdOperator::~IdOperator() {}

const std::string IdOperator::getName() const
{
  return "ID";
}

Session::State IdOperator::getState() const
{
  return Session::State(Session::NONAUTHENTICATED | Session::AUTHENTICATED
                        | Session::SELECTED);
}

Operator::ProcessResult IdOperator::process(Depot &depot, Request &command)
{
  bincClient << "* ID (\"name\" \"Binc IMAP\""
             << " \"version\" \"" << BINC_VERSION "\")" << std::endl;

  return Operator::ProcessResult::OK;
}

Parser::ParseResult IdOperator::parse(Request &c_in, Parser &p)
{
  constexpr auto ACCEPT = Parser::ParseResult::ACCEPT;

  Session &session = Session::getInstance();

  if (c_in.getUidMode()) return Parser::ParseResult::REJECT;

  Parser::ParseResult res;
  if ((res = p.expectSPACE()) != ACCEPT && (res = p.expectCRLF()) != ACCEPT) {
    session.setLastError("Expected SPACE or CRLF");
    return res;
  }

  c_in.setName("ID");

  return ACCEPT;
}