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// localizedtexts.cpp
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#include "common.h"
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void LocalizedTexts_Init (void)
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{
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   // this function opens and parses the INI files containing the localized texts and fills the
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   // global language_t structure.
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   static wchar_t lngfile_pattern[MAX_PATH];
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   static wchar_t lngfile_pathname[MAX_PATH];
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   void *inifile;
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   text_t *text;
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   int text_index;
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   wchar_t *id_string;
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   wchar_t *filter_char;
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   WIN32_FIND_DATA wfd;
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   HANDLE hFind;
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   language_count = 0;
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   swprintf_s (lngfile_pattern, sizeof (lngfile_pattern), L"%s\\data\\languages\\*.ini", app_path); // build the search pattern string out of the path
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   hFind = FindFirstFile (lngfile_pattern, &wfd); // initiate search from that point
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   if (hFind != INVALID_HANDLE_VALUE)
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   {
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      // start examining search results...
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      do
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      {
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         // open the INI file
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         swprintf_s (lngfile_pathname, WCHAR_SIZEOF (lngfile_pathname), L"%s\\data\\languages\\%s", app_path, wfd.cFileName);
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         inifile = INIFile_LoadINIFile (lngfile_pathname);
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         // consistency check (FIXME: this should never happen)
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         if (inifile == NULL)
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            continue;
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         // file successfully opened, reallocate languages structure to hold one language more
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         languages = (language_t *) SAFE_realloc (languages, language_count, language_count + 1, sizeof (language_t), false);
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         // read the number of known localized texts and mallocate enough space for them
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         languages[language_count].text_count = INIFile_GetNumberOfEntries (inifile, L"texts");
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         languages[language_count].texts = (text_t *) SAFE_malloc (languages[language_count].text_count, sizeof (text_t), true);
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         // now read all of them
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         for (text_index = 0; text_index < languages[language_count].text_count; text_index++)
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         {
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            text = &languages[language_count].texts[text_index]; // quick access to text
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            id_string = INIFile_GetEntryName (inifile, L"texts", text_index); // read this entry
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            if (id_string == NULL)
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            {
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               MessageBox (NULL, L"There is an inconsistency in Chess Giants's language file.\n\nPlease reinstall the program to fix the problem.", L"Chess Giants", MB_ICONERROR | MB_OK);
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               continue; // consistency check
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            }
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            text->id_string = _wcsdup (id_string); // have a copy of ID string and save it
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            text->localized_string = (wchar_t *) SAFE_malloc (65536, sizeof (wchar_t), false); // allocate big space for localized string...
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            wcscpy_s (text->localized_string, 65536, INIFile_ReadEntryAsString (inifile, L"texts", text->id_string, text->id_string)); // ... read it...
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            text->localized_string = (wchar_t *) SAFE_realloc (text->localized_string, 65536, wcslen (text->localized_string) + 1, sizeof (wchar_t), false); // and resize correctly
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            // conventionally, all texts whose ID end in "FileFilter" are file filters. Convert them for Windows API.
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            // Reminder: INI file key entries are LOWERCASE.
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            if (wcsistr (text->id_string, L"FileFilter") != NULL)
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            {
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               filter_char = text->localized_string; // convert vertical bars into string terminator characters
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               while (*filter_char != 0) { if (*filter_char == L'|') *filter_char = 0; filter_char++; }
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            }
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         }
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         // close the INI file
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         INIFile_FreeINIFile (inifile);
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         // save the language name (and chop off the trailing ".ini" suffix)
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         wcscpy_s (languages[language_count].name, WCHAR_SIZEOF (languages[language_count].name), wfd.cFileName);
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         languages[language_count].name[wcslen (languages[language_count].name) - 4] = 0;
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         language_count++; // we've identified one language more
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      } while (FindNextFile (hFind, &wfd)); // ...and don't stop as long as there are files to go
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      FindClose (hFind); // close the search handle
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   }
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   return; // finished loading texts
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}
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void LocalizedTexts_Shutdown (void)
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{
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   // this function unloads all the contents of the localized texts array, freeing
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   // the associated memory space, and resets the text_count variable to zero.
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   int language_index;
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   int text_index;
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   // cycle through all the localized texts and free their mallocated space
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   for (language_index = 0; language_index < language_count; language_index++)
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   {
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      for (text_index = 0; text_index < languages[language_index].text_count; text_index++)
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      {
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         SAFE_free ((void **) &languages[language_index].texts[text_index].id_string);
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         SAFE_free ((void **) &languages[language_index].texts[text_index].localized_string);
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      }
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      SAFE_free ((void **) &languages[language_index].texts); // free the texts array themselves
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      languages[language_index].text_count = 0; // reset the localized texts count
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   }
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   SAFE_free ((void **) &languages); // free the languages array themselves
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   language_count = 0; // and reset the languages count
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   return; // finished unloading texts
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}
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wchar_t *LocalizedTexts_GetLocalizedTextFor (wchar_t *id_string)
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{
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   // this function returns the localized text corresponding to a given id string
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   language_t *language;
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   int text_index;
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   if ((language_id < 0) || (language_id > language_count))
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      return (L""); // FIXME: something is really fucked up here
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   language = &languages[language_id]; // quick access to language
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   // cycle through all the localized texts and find the one we want
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   // NOTE: case-insensitive comparison mandatory, for dictionary entries are lowercase.
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   for (text_index = 0; text_index < language->text_count; text_index++)
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      if (_wcsicmp (language->texts[text_index].id_string, id_string) == 0)
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         return (language->texts[text_index].localized_string); // when found, return a pointer to it
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   Debug_Log (L"===WARNING: translation missing for string ID [%s]!===\n", id_string);
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   return (id_string); // when not found, return the ID string itself
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}