#include "enum.h"
#include "fatal-error.h"
#include <sstream>

namespace ns3 {

Enum::Enum ()
  : m_v ()
{}
Enum::Enum (int v)
  : m_v (v)
{}
void 
Enum::Set (int v)
{
  m_v = v;
}
int 
Enum::Get (void) const
{
  return m_v;
}

Attribute
Enum::Copy (void) const
{
  return Attribute::Create<Enum> (*this);
}
std::string 
Enum::SerializeToString (Ptr<const AttributeChecker> checker) const
{
  const EnumChecker *p = dynamic_cast<const EnumChecker *> (PeekPointer (checker));
  NS_ASSERT (p != 0);
  for (EnumChecker::ValueSet::const_iterator i = p->m_valueSet.begin (); i != p->m_valueSet.end (); i++)
    {
      if (i->first == m_v)
	{
	  return i->second;
	}
    }
  
  NS_FATAL_ERROR ("The user has set an invalid C++ value in this Enum");
  // quiet compiler.
  return "";
}
bool 
Enum::DeserializeFromString (std::string value, Ptr<const AttributeChecker> checker)
{
  const EnumChecker *p = dynamic_cast<const EnumChecker *> (PeekPointer (checker));
  NS_ASSERT (p != 0);
  for (EnumChecker::ValueSet::const_iterator i = p->m_valueSet.begin (); i != p->m_valueSet.end (); i++)
    {
      if (i->second == value)
	{
	  m_v = i->first;
	  return true;
	}
    }
  return false;
}

Enum::Enum (Attribute value)
{
  const Enum *v = value.DynCast<const Enum *> ();
  if (v == 0)
    {
      NS_FATAL_ERROR ("assigning non-Enum value to Enum value.");
    }
  m_v = v->m_v;
}
Enum::operator Attribute () const
{
  return Attribute::Create<Enum> (*this);
}



EnumChecker::EnumChecker ()
{}

void 
EnumChecker::AddDefault (int v, std::string name)
{
  m_valueSet.push_front (std::make_pair (v, name));
}
void 
EnumChecker::Add (int v, std::string name)
{
  m_valueSet.push_back (std::make_pair (v, name));
}
bool 
EnumChecker::Check (Attribute value) const
{
  const Enum *p = value.DynCast<const Enum *> ();
  if (p == 0)
    {
      return false;
    }
  for (ValueSet::const_iterator i = m_valueSet.begin (); i != m_valueSet.end (); i++)
    {
      if (i->first == p->Get ())
	{
	  return true;
	}
    }
  return false;
}
Attribute 
EnumChecker::Create (void) const
{
  return Attribute::Create<Enum> ();
}


Ptr<const AttributeChecker> 
MakeEnumChecker (int v1, std::string n1,
		 int v2, std::string n2,
		 int v3, std::string n3,
		 int v4, std::string n4,
		 int v5, std::string n5,
		 int v6, std::string n6,
		 int v7, std::string n7,
		 int v8, std::string n8,
		 int v9, std::string n9,
		 int v10, std::string n10,
		 int v11, std::string n11,
		 int v12, std::string n12)
{
  Ptr<EnumChecker> checker = Create<EnumChecker> ();
  checker->AddDefault (v1, n1);
  if (n2 == "")
    {
      return checker;
    }
  checker->Add (v2, n2);
  if (n3 == "")
    {
      return checker;
    }
  checker->Add (v3, n3);
  if (n4 == "")
    {
      return checker;
    }
  checker->Add (v4, n4);
  if (n5 == "")
    {
      return checker;
    }
  checker->Add (v5, n5);
  if (n6 == "")
    {
      return checker;
    }
  checker->Add (v6, n6);
  if (n7 == "")
    {
      return checker;
    }
  checker->Add (v7, n7);
  if (n8 == "")
    {
      return checker;
    }
  checker->Add (v8, n8);
  if (n9 == "")
    {
      return checker;
    }
  checker->Add (v9, n9);
  if (n10 == "")
    {
      return checker;
    }
  checker->Add (v10, n10);
  if (n11 == "")
    {
      return checker;
    }
  checker->Add (v11, n11);
  if (n12 == "")
    {
      return checker;
    }
  checker->Add (v12, n12);
  return checker;
}


} // namespace ns3