/*
 * ConsistentPhrase.cpp
 *
 *  Created on: 20 Feb 2014
 *      Author: hieu
 */
#include <sstream>
#include "ConsistentPhrase.h"
#include "Word.h"
#include "NonTerm.h"
#include "Parameter.h"

using namespace std;

ConsistentPhrase::ConsistentPhrase(
  int sourceStart, int sourceEnd,
  int targetStart, int targetEnd,
  const Parameter &params)
  :corners(4)
  ,m_hieroNonTerm(*this, params.hieroNonTerm, params.hieroNonTerm)
{
  corners[0] = sourceStart;
  corners[1] = sourceEnd;
  corners[2] = targetStart;
  corners[3] = targetEnd;
}

ConsistentPhrase::~ConsistentPhrase()
{
  // TODO Auto-generated destructor stub
}

bool ConsistentPhrase::operator<(const ConsistentPhrase &other) const
{
  return corners < other.corners;
}

void ConsistentPhrase::AddNonTerms(const std::string &source,
                                   const std::string &target)
{
  m_nonTerms.push_back(NonTerm(*this, source, target));
}

bool ConsistentPhrase::TargetOverlap(const ConsistentPhrase &other) const
{
  if ( other.corners[3] < corners[2] || other.corners[2] > corners[3])
    return false;

  return true;
}

std::string ConsistentPhrase::Debug() const
{
  stringstream out;
  out << "[" << corners[0] << "-" << corners[1]
      << "][" << corners[2] << "-" << corners[3] << "]";

  out << "NT:";
  for (size_t i = 0; i < m_nonTerms.size(); ++i) {
    const NonTerm &nonTerm = m_nonTerms[i];
    out << nonTerm.GetLabel(Moses::Input) << ":" << nonTerm.GetLabel(Moses::Output);
  }

  return out.str();
}