/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#ifndef plLocalization_h_inc
#define plLocalization_h_inc

#include "hsStlUtils.h"

class plLocalization
{
public:
    enum Language
    {
        kEnglish,
        kFrench,
        kGerman,
        kSpanish,
        kItalian,
        kJapanese,

        kNumLanguages,
    };
    
    enum encodingTypes
    {
        Enc_Unencoded,  // This can also mean that python did the decoding for us and we don't need to tweak it on our end
        Enc_Split_String,
        Enc_Hybrid_Split_String,
        Enc_UTF8,
        Enc_UTF16,
        Enc_Unicode_Escape,
        Enc_Raw_Unicode_Escape,
        Enc_Latin_1,
        Enc_ASCII,
        Enc_MBCS
    };

protected:
    static Language fLanguage;
    static const char* fLangTags[kNumLanguages];
    static const char* fLangNames[kNumLanguages];
    static bool fUsesUnicode[kNumLanguages];
    static encodingTypes fUnicodeEncoding[kNumLanguages];

    static hsBool IGetLocalized(const char* name, Language lang, char* localizedName);

public:
    // Sets the default language, as determined by the installer
    static void SetDefaultLanguage();
    
    static void SetLanguage(Language lang) { fLanguage = lang; }
    static Language GetLanguage() { return fLanguage; }

    static const char* GetLanguageName(Language lang) { return fLangNames[lang]; }

    static hsBool UsingUnicode() { return fUsesUnicode[fLanguage]; }
    static encodingTypes UnicodeEncoding() { return fUnicodeEncoding[fLanguage]; }

    // Returns true if we're using localized assets.  If it returns false, you
    // don't need to bother calling GetLocalized
    static hsBool IsLocalized() { return fLanguage != kEnglish; }

    // Pass in a key name and this will give you the localized name
    // Returns false if the original keyname is not for a localized asset
    static hsBool GetLocalized(const char* name, char* localizedName) { return IGetLocalized(name, fLanguage, localizedName); }

    //
    // Export only
    //
    // When you're exporting an asset that could be localized, you'll want to do
    // a loop something like this to try and find any localized versions.
    //
    // for (int i = 0; i < plLocalization::GetNumLocales(); i++)
    // {
    //     char localName[MAX_PATH];
    //     if (plLocalization::ExportGetLocalized(fileName, i, localName))
    //     {
    //         ...
    //     }
    // }
    //
    static int GetNumLocales() { return kNumLanguages - 1; }
    static hsBool ExportGetLocalized(const char* name, int lang, char* localizedName);
    // Just tells us if this is localized, doesn't actually convert it for us
    static hsBool IsLocalizedName(const char* name) { return IGetLocalized(name, kEnglish, nil); }

    // Converts a vector of translated strings to a encoded string that can be decoded by StringToLocal()
    // The index in the vector of a string is it's language
    static std::string LocalToString(const std::vector<std::string> & localizedText);
    // Converts a string encoded by LocalToString to a vector of translated strings
    static std::vector<std::string> StringToLocal(const std::string & localizedText);
    static std::vector<std::wstring> StringToLocal(const std::wstring & localizedText);
};

#endif // plLocalization_h_inc