#pragma once

#include <unordered_map>
#include "DataSpec/DNACommon/PAK.hpp"
#include "DataSpec/DNACommon/STRG.hpp"

namespace DataSpec::DNAMP2
{

struct STRG : ISTRG
{
    AT_DECL_EXPLICIT_DNA_YAML
    AT_DECL_DNAV
    void _read(athena::io::IStreamReader& reader);
    std::vector<std::pair<FourCC, std::vector<std::u16string>>> langs;
    std::unordered_map<FourCC, std::vector<std::u16string>*> langMap;
    std::map<std::string, int32_t> names;

    int32_t lookupIdx(std::string_view name) const
    {
        auto search = names.find(name.data());
        if (search == names.end())
            return -1;
        return search->second;
    }

    size_t count() const
    {
        size_t retval = 0;
        for (const auto& item : langs)
        {
            size_t sz = item.second.size();
            if (sz > retval)
                retval = sz;
        }
        return retval;
    }
    std::string getUTF8(const FourCC& lang, size_t idx) const
    {
        auto search = langMap.find(lang);
        if (search != langMap.end())
            return hecl::Char16ToUTF8(search->second->at(idx));
        return std::string();
    }
    std::u16string getUTF16(const FourCC& lang, size_t idx) const
    {
        auto search = langMap.find(lang);
        if (search != langMap.end())
            return search->second->at(idx);
        return std::u16string();
    }
    hecl::SystemString getSystemString(const FourCC& lang, size_t idx) const
    {
        auto search = langMap.find(lang);
        if (search != langMap.end())
#if HECL_UCS2
            return hecl::Char16ToWide(search->second->at(idx));
#else
            return hecl::Char16ToUTF8(search->second->at(idx));
#endif
        return hecl::SystemString();
    }

    static bool Extract(PAKEntryReadStream& rs, const hecl::ProjectPath& outPath)
    {
        STRG strg;
        strg.read(rs);
        athena::io::TransactionalFileWriter writer(outPath.getAbsolutePath());
        athena::io::ToYAMLStream(strg, writer);
        return true;
    }

    static bool Cook(const hecl::ProjectPath& inPath, const hecl::ProjectPath& outPath)
    {
        STRG strg;
        athena::io::FileReader reader(inPath.getAbsolutePath());
        athena::io::FromYAMLStream(strg, reader);
        athena::io::TransactionalFileWriter ws(outPath.getAbsolutePath());
        strg.write(ws);
        return true;
    }
};

}