//Copyright 2022, FOSS-VG Developers and Contributers
//
//This program is free software: you can redistribute it and/or modify it
//under the terms of the GNU Affero General Public License as published
//by the Free Software Foundation, version 3.
//
//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 Affero General Public License for more details.
//
//You should have received a copy of the GNU Affero General Public License
//version 3 along with this program.
//If not, see https://www.gnu.org/licenses/agpl-3.0.en.html

#include <tinyutf8/tinyutf8.h>
#include <string>
#include "error.h++"

#include "java_string.h++"

namespace JavaCompat {
    //FIXME: contrary to what I said, we need to explicitly pass the data
    // size because files could have been tampered with or corrupted
    tiny_utf8::string importJavaString(uint8_t data[]) {
        std::string stdString;
        uint16_t size = static_cast<uint16_t>(data[0])<<8 | static_cast<uint16_t>(data[1]);

        for(uint8_t i=2; i<size+2; i++){
            if(i != 0){
                if(data[i] == 0x80 && data[i-1] == 0xc0){
                    stdString[stdString.length() - 1] = '\0';
                    continue;
                }
            }
            stdString.push_back((char) data[i]);
        }
        return tiny_utf8::string(stdString);
    }
    /*
    ErrorOr<uint8_t*> exportJavaString(tiny_utf8::string data) {
        return ErrorOr(nullptr);
    }
    */
}