#include "filefunctions.h"
#include "debugging.h"

#include <string>

using namespace filefunctions;

std::string filefunctions::filefunctions_wd;

#ifdef __linux__
    // Linux methods
    Ej implementerat
#elif _WIN32
    // Windows methods
#include <windows.h>

STATUS_CODE filefunctions::cd(std::string const &path_arg, COMMAND_FLAGS flags)
{
    DWORD attr;
    std::string path;

    if(flags&CF_RELATIVE)
    {
        int path_len = GetCurrentDirectory(0, nullptr);
        LPTSTR temp = (LPTSTR)malloc((path_len+1)*sizeof(char));
        if(!GetCurrentDirectory(path_len+1, temp))
            return SC_INVALID_PATH;
        path = std::string(temp);
        DEBUG("path: " << temp);
        free(temp);
    }

    path += "\\" + path_arg;

    attr = GetFileAttributes(path.c_str());

    DEBUG("__CD__ Path: " << path);
    DEBUG("__CD__ Attr: " << std::hex << attr);

    if(attr == FILE_ATTRIBUTE_DIRECTORY)
    {
        filefunctions_wd = path;
        return SC_SUCCESS;
    }

    return SC_INVALID_PATH;
}


STATUS_CODE filefunctions::mv(std::string const &src_arg, std::string const &dest_arg, COMMAND_FLAGS flags)
{
    std::string src, dest;
    DWORD attr;

    if(flags & CF_RELATIVE)
    {
        src = filefunctions_wd;
        dest = filefunctions_wd;
    }
    src += "\\" + src_arg;
    dest += "\\" + dest_arg;

    attr = GetFileAttributes(src.c_str());
    if (attr == INVALID_FILE_ATTRIBUTES)
    {
        return SC_DOES_NOT_EXIST;
    }
    else if(attr & FILE_ATTRIBUTE_DIRECTORY)
    {
        return SC_IS_DIRECTORY;
    }

    mkdir(dest.substr(0,dest.find_last_of('\\')));

    return SC_SUCCESS;
}

STATUS_CODE filefunctions::mkdir(std::string const &arg_path, COMMAND_FLAGS flags)
{
    std::string path;

    if(flags & CF_RELATIVE)
        path = filefunctions_wd + "\\" + arg_path;
    else
        path = arg_path;
    DEBUG("__MKDIR__ Path: " << path);

    DWORD attr = GetFileAttributes(path.c_str());

    if(attr == FILE_ATTRIBUTE_DIRECTORY)
    {
        DEBUG("__MKDIR__ SUCCESS Attr: " << attr);
        return SC_SUCCESS;
    }
    else if(attr != INVALID_FILE_ATTRIBUTES)
    {
        DEBUG("__MKDIR__ FAILED Attr: " << attr);
        return SC_IS_NOT_DIRECTORY;
    }

    size_t parent_separator = path.find_last_of('\\');
    if(parent_separator == std::string::npos)
    {
        DEBUG("__MKDIR__ Invalid path");
        return SC_INVALID_PATH;
    }
    std::string parent = path.substr(0,parent_separator);
    DEBUG("__MKDIR__ Parent: " << parent);

    if(mkdir(parent) == SC_SUCCESS)
    {
        if(CreateDirectory(path.c_str(), nullptr))
        {
            DEBUG("__MKDIR__ Created directory: " << path);
            return SC_SUCCESS;
        }
        else
        {
            DEBUG("__MKDIR__ CreateDirectory failed");
            return SC_OTHER_FAILIURE;
        }
    }
    else
    {
        DEBUG("__MKDIR__ mkdir(" << parent << ") failed");
        return SC_OTHER_FAILIURE;
    }
}
//STATUS_CODE filefunctions::rm(std::string const &path, COMMAND_FLAGS flags = CF_NONE);

std::string filefunctions::pwd(void)
{
    return filefunctions_wd;
}

//std::queue<File_Struct> filefunctions::ls(std::string path = filefunctions_wd);


#else
    // Fail?
    Hård fail som fan!
#endif // __linux__