/**
 *  @file imapparser.cc
 *  @brief Implementation of the common items for parsing IMAP input
 *  @author Andreas Aardal Hanssen
 *  @date 2002-2005
 */

#include "imapparser.h"

#include "convert.h"

#include <exception>
#include <iostream>
#include <map>
#include <string>
#include <vector>

#include <stdio.h>

using namespace Binc;
using std::string;

Request::Request()
  : uidmode(false)
  , extra(nullptr)
  , flags()
  , statuses()
  , bset()
  , searchkey()
  , fatt()
{}

Request::~Request()
{
  if (extra != nullptr) delete extra;
}

void Request::setUidMode()
{
  uidmode = true;
}

bool Request::getUidMode() const
{
  return uidmode;
}

void Request::setTag(string &t_in)
{
  tag = t_in;
}

const string &Request::getTag() const
{
  return tag;
}

void Request::setMode(const string &m_in)
{
  mode = m_in;
}

const string &Request::getMode() const
{
  return mode;
}

void Request::setName(const string &s_in)
{
  name = s_in;
}

const string &Request::getName() const
{
  return name;
}

void Request::setAuthType(const string &s_in)
{
  authtype = s_in;
}

const string &Request::getAuthType() const
{
  return authtype;
}

void Request::setLiteral(const string &s_in)
{
  literal = s_in;
}

const string &Request::getLiteral() const
{
  return literal;
}

void Request::setDate(const string &s_in)
{
  date = s_in;
}

const string &Request::getDate() const
{
  return date;
}

void Request::setCharSet(const string &s_in)
{
  charset = s_in;
  uppercase(charset);
}

const string &Request::getCharSet() const
{
  return charset;
}

void Request::setUserID(const string &s_in)
{
  userid = s_in;
}

const string &Request::getUserID() const
{
  return userid;
}

void Request::setPassword(const string &s_in)
{
  password = s_in;
}

const string &Request::getPassword() const
{
  return password;
}

void Request::setMailbox(const string &s_in)
{
  mailbox = s_in;
}

const string &Request::getMailbox() const
{
  return mailbox;
}

void Request::setListMailbox(const string &s_in)
{
  listmailbox = s_in;
}

const string &Request::getListMailbox() const
{
  return listmailbox;
}

void Request::setContextInfo(const string &s_in)
{
  contextInfo = s_in;
}

const string &Request::getContextInfo() const
{
  return contextInfo;
}

void Request::setNewMailbox(const string &s_in)
{
  newmailbox = s_in;
}

const string &Request::getNewMailbox() const
{
  return newmailbox;
}

SequenceSet &Request::getSet()
{
  return bset;
}

std::vector<string> &Request::getStatuses()
{
  return statuses;
}

std::vector<string> &Request::getFlags()
{
  return flags;
}

SequenceSet::SequenceSet() : limited(true), nullSet(false) {}

SequenceSet::SequenceSet(const SequenceSet &copy)
  : limited(copy.limited)
  , nullSet(copy.nullSet)
  , internal(copy.internal)
{}

SequenceSet &SequenceSet::operator=(const SequenceSet &copy)
{
  limited = copy.limited;
  nullSet = copy.nullSet;
  internal = copy.internal;

  return *this;
}

SequenceSet::~SequenceSet() {}

SequenceSet &SequenceSet::null()
{
  static SequenceSet nil;
  nil.nullSet = true;
  return nil;
}

bool SequenceSet::isNull() const
{
  return nullSet;
}

SequenceSet &SequenceSet::all()
{
  static bool initialized = false;
  static SequenceSet all;

  if (!initialized) {
    all.addRange(1, (unsigned int)-1);
    initialized = true;
  }

  return all;
}

SequenceSet::Range::Range(unsigned int a, unsigned int b)
{
  if (a > b) {
    from = b;
    to = a;
  } else {
    from = a;
    to = b;
  }
}

void SequenceSet::addRange(unsigned int a, unsigned int b)
{
  if (a == (unsigned int)-1 || b == (unsigned int)-1) limited = false;
  internal.push_back(Range(a, b));
}

void SequenceSet::addNumber(unsigned int a)
{
  if (a == (unsigned int)-1) limited = false;
  internal.push_back(Range(a, a));
}

bool SequenceSet::isInSet(unsigned int n) const
{
  unsigned int maxvalue = 0;
  for (const auto &r : internal) {
    if (r.from > maxvalue)
      maxvalue = r.from;
    else if (r.to > maxvalue)
      maxvalue = r.to;

    if (n >= r.from && n <= r.to) return true;
  }

  return (n > maxvalue && !limited);
}

BincImapParserFetchAtt::BincImapParserFetchAtt(const std::string &typeName) : type(typeName)
{
  offsetstart = 0;
  offsetlength = (unsigned int)-1;
  hassection = false;
}

string BincImapParserFetchAtt::toString()
{
  string tmp;
  if (type == "BODY.PEEK")
    tmp = "BODY";
  else
    tmp = type;

  if (type == "BODY" || type == "BODY.PEEK") {
    if (hassection) {
      tmp += "[";
      tmp += section;
      if (sectiontext != "") {
        if (section != "") tmp += ".";
        tmp += sectiontext;

        if (headerlist.size() > 0) {
          tmp += " (";
          for (auto i = headerlist.cbegin(); i != headerlist.cend(); ++i) {
            if (i != headerlist.cbegin()) tmp += " ";
            tmp += Binc::toImapString(*i);
          }
          tmp += ")";
        }
      }
      tmp += "]";

      if (offsetstart == 0 && offsetlength == (unsigned int)-1)
        tmp += " ";
      else
        tmp += "<" + Binc::toString(offsetstart) + "> ";
    }
  }

  return tmp;
}

BincImapParserSearchKey::BincImapParserSearchKey()
{
  type = 0;
  number = 0;
}

const SequenceSet &BincImapParserSearchKey::getSet() const
{
  return bset;
}