/**
  * @RDE_HEADER@
  * $Id$
  * $HeadURL$
  * $Author$
  */

#include "symbol_table.h"
#include "symbol_reader.h"

#include <QtCore/QDir>
#include <QtCore/QDirIterator>
#include <QtCore/QFile>
#include <NGLLogger/NGLLoggerBootstrap.h>

namespace SymbologyXML
{


SymbolTable::SymbolTable(const char *loggerName)
  : logger(NGL::NGLLoggerBootstrap::getNGLRootLogger().getNGLLogger(loggerName))
{
  DEBUG_LOG(logger) << LOGFUNCTION ;
  DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
} // SymbolTable::SymbolTable()


SymbolTable::~SymbolTable()
{
  DEBUG_LOG(logger) << LOGFUNCTION ;
  clear();
  DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
} // SymbolTable::SymbolTable()

bool SymbolTable::loadSymbolFromFile(const QString &filename, bool replace)
{
  QFile file(filename);

  SymbolReader sr;
  Symbol* s = new Symbol();
  if ( !sr.read(&file, *s) ) {
    ERROR_LOG(logger) << LOGFUNCTION << ": Failed to read xml-symbol '"
                          << filename << "'" ;
    return false;
  }
  DEBUG_LOG(logger) << LOGFUNCTION
                     << ": id '" << s->id() << "'"
                     << " '0x" << std::hex << s->id() << "'"
                     << " cP="<< s->getPrimitives().count()
                     << " file '" << filename << "'";
  if (replace)
    m_map.insert(s->id(), s);
  else
    m_map.insertMulti(s->id(), s);

  return true;
} // bool SymbolTable::loadSymbolFromFile(const QString &filename, bool replace)


bool SymbolTable::setDirectory(const QString &directory, const QStringList &nameFilters) {
  DEBUG_LOG(logger) << LOGFUNCTION
      << " dir='" << directory << "'";

  if (directory.isEmpty())
    return true;

  QDir dir(directory);
  bool result = dir.exists();
  if ( !result ) {
    ERROR_LOG(logger) << LOGFUNCTION << ": Failed to read dir '"
                        << dir.absolutePath().toLatin1().data() << "'"
                        ;
  } else {
    clear();  // alte Caches aufräumen
    m_directory = directory + QLatin1Char('/');
    if ( nameFilters.isEmpty() ) {
      // No filters, assume that all files should be read
      QDirIterator dirIt(directory, QDir::Files|QDir::Readable|QDir::NoDotAndDotDot);
      while(dirIt.hasNext()) {
        bool bRet = loadSymbolFromFile(dirIt.next());
        if( !bRet ) {
          result = false;
        }
      }
    } else {
      QDirIterator dirIt(directory, nameFilters, QDir::Files|QDir::Readable|QDir::NoDotAndDotDot);
      while(dirIt.hasNext()) {
        bool bRet = loadSymbolFromFile(dirIt.next());
        if( !bRet ) {
          result = false;
        }
      }
    }
  }
  DEBUG_LOG(logger) << "END " << LOGFUNCTION
    << " dir='" << directory << "'"
    << " count=" << this->size();
  return result;
} // bool SymbolTable::setDirectory(const QString &directory, const QStringList & nameFilters = QStringList())

bool SymbolTable::updateSymbol(int id, bool replace) {
  DEBUG_LOG(logger) << LOGFUNCTION ;

  bool bRet = false;
  // Der Dateiname muss "symbol_%04d.xml" sein!
  QString filename(QString::asprintf("symbol_%04d.xml", id));
  bRet = loadSymbolFromFile( m_directory + filename, replace);

  DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
  return bRet;
} // bool SymbolTable::updateSymbol(int id, bool replace)


Symbol* SymbolTable::value(const int key, Symbol *defaultValue) const
{
  DEBUG_LOG(logger) << LOGFUNCTION ;

  const QList<Symbol*> &allValues = m_map.values(key);
  for (Symbol *symbol : allValues)
  {
    if (!symbol)
      continue;
    bool match = symbol->getAffil() == SymbolTypes::AFFIL_UNDEFINED;
    match &= symbol->getDimen() == SymbolTypes::DIMEN_UNDEFINED;
    match &= symbol->transformed() == false;
    if (match)
    {
      DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
      return symbol;
    }
  }
  DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
  return m_map.value(key, defaultValue);
} // Symbol SymbolTable::value(const int &key, const Symbol *defaultValue) const


QList<Symbol*> SymbolTable::values(int key) const
{
  return m_map.values(key);
} // QList<Symbol*> values(int key) const



Symbol* SymbolTable::operator[](const int &key)
{
  DEBUG_LOG(logger) << LOGFUNCTION ;

  const QList<Symbol*> &allValues = m_map.values(key);
  for (Symbol *symbol : allValues)
  {
    if (!symbol)
      continue;
    bool match = symbol->getAffil() == SymbolTypes::AFFIL_UNDEFINED;
    match &= symbol->getDimen() == SymbolTypes::DIMEN_UNDEFINED;
    match &= symbol->transformed() == false;
    if (match)
    {
      DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
      return symbol;
    }
  }
  DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
  return m_map[key];
} // Symbol* SymbolTable::operator[](const int &key)


const Symbol* SymbolTable::operator[](const int &key) const
{
  DEBUG_LOG(logger) << LOGFUNCTION ;

  const QList<Symbol*> &allValues = m_map.values(key);
  for (const Symbol *symbol : allValues)
  {
    if (!symbol)
      continue;
    bool match = symbol->getAffil() == SymbolTypes::AFFIL_UNDEFINED;
    match &= symbol->getDimen() == SymbolTypes::DIMEN_UNDEFINED;
    match &= symbol->transformed() == false;
    if (match)
    {
      DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
      return symbol;
    }
  }
  DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
  return m_map[key];
} // const Symbol* SymbolTable::operator[](const int &key) const


void SymbolTable::rotateAllSymbolPrimitives()
{
  DEBUG_LOG(logger) << LOGFUNCTION
    << " m_map.count = " <<m_map.count();

  for (Symbol *s : qAsConst(m_map))
     s->rotatePrimitives();
  DEBUG_LOG(logger) << "END " << LOGFUNCTION ;
} // void SymbolTable::rotateAllSymbolPrimitives()


bool SymbolTable::contains(int key) const
{
  return m_map.contains(key);
} // void SymbolTable::contains(int key)

int SymbolTable::size() const
{
  return m_map.size();
} // void SymbolTable::size()

void SymbolTable::clear()
{
  qDeleteAll(m_map);
  m_map.clear();
} // void SymbolTable::clear()

} // namespace SymbologyXML