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#include "dictionary/dictionary_impl.h"

#include "base/singleton.h"
#include "data_manager/user_dictionary_manager.h"
#include "dictionary/pos_matcher.h"
#include "dictionary/suppression_dictionary.h"
#include "dictionary/system/system_dictionary.h"
#include "dictionary/system/value_dictionary.h"
#include "dictionary/user_dictionary.h"

namespace mozc {
namespace {

#ifdef MOZC_USE_SEPARATE_DICTIONARY
const char *kDictionaryData_data = NULL;
const size_t kDictionaryData_size = 0;
#else
#include "dictionary/embedded_dictionary_data.h"
#endif  // MOZC_USE_SEPARATE_DICTIONARY

DictionaryInterface *g_dictionary = NULL;

char* g_dictionary_address = const_cast<char*>(kDictionaryData_data);
int g_dictionary_size = kDictionaryData_size;

class MozcDictionaryImpl : public DictionaryImpl {
 private:
  MozcDictionaryImpl() : DictionaryImpl(
      SystemDictionary::CreateSystemDictionaryFromImage(g_dictionary_address,
                                                        g_dictionary_size),
      ValueDictionary::CreateValueDictionaryFromImage(g_dictionary_address,
                                                      g_dictionary_size),
      UserDictionaryManager::GetUserDictionaryManager()->GetUserDictionary(),
      SuppressionDictionary::GetSuppressionDictionary(),
      Singleton<POSMatcher>::get()) {}
  virtual ~MozcDictionaryImpl() {}

  friend class Singleton<MozcDictionaryImpl>;
};
}  // namespace

DictionaryInterface *DictionaryFactory::GetDictionary() {
  if (g_dictionary == NULL) {
    if (!g_dictionary_address || g_dictionary_size == 0) {
      LOG(FATAL) << "Dictionary address/size is/are not set yet.";
      CHECK(false);
    }
    return Singleton<MozcDictionaryImpl>::get();
  } else {
    return g_dictionary;
  }
}

void DictionaryFactory::SetDictionary(DictionaryInterface *dictionary) {
  g_dictionary = dictionary;
}

void DictionaryFactory::SetDictionaryData(void *address, size_t size) {
  g_dictionary_address = reinterpret_cast<char*>(address);
  g_dictionary_size = size;
}

}  // namespace mozc