#include <windows.h>
#include <msvcrt/io.h>
#include <msvcrt/string.h>
#include <msvcrt/internal/file.h>


/*
 * @implemented
 */
int _findclose(int handle)
{
    // check no wildcards or invalid handle
    if (handle == 0 || handle == -1)
       return 0;
    return FindClose((void*)handle);
}

/*
 * @implemented
 */
int _findfirst(const char* _name, struct _finddata_t* result)
{
    WIN32_FIND_DATAA FindFileData;
    char dir[MAX_PATH];
    long hFindFile;
    int len = 0;

    if (_name == NULL || _name[0] == 0) {
        len = GetCurrentDirectoryA(MAX_PATH-4,dir);
        if (dir[len-1] != '\\') {
            dir[len] = '\\';
            dir[len+1] = 0;
        }
        strcat(dir,"*.*");
    } else {
        strcpy(dir,_name);
    }

    hFindFile = (long)FindFirstFileA(dir, &FindFileData);
    if (hFindFile == -1) {
        memset(result,0,sizeof(struct _finddata_t));
        return -1;
    }

    result->attrib = FindFileData.dwFileAttributes;
    result->time_create = FileTimeToUnixTime(&FindFileData.ftCreationTime,NULL);
    result->time_access = FileTimeToUnixTime(&FindFileData.ftLastAccessTime,NULL);
    result->time_write = FileTimeToUnixTime(&FindFileData.ftLastWriteTime,NULL);
    result->size = FindFileData.nFileSizeLow;
    strncpy(result->name,FindFileData.cFileName,MAX_PATH);

    // if no wildcard the find file handle can be closed right away
    // a return value of 0 can flag this.

    if (!strchr(dir,'*') && !strchr(dir,'?')) {
        _findclose(hFindFile);
        return 0;
    }

    return hFindFile;
}

/*
 * @implemented
 */
int _findnext(int handle, struct _finddata_t* result)
{
    WIN32_FIND_DATAA FindFileData;

    // check no wildcards or invalid handle
    if (handle == 0 || handle == -1)
        return 0;

    if (!FindNextFileA((void*)handle, &FindFileData))
        return -1;

    result->attrib = FindFileData.dwFileAttributes;
    result->time_create = FileTimeToUnixTime(&FindFileData.ftCreationTime,NULL);
    result->time_access = FileTimeToUnixTime(&FindFileData.ftLastAccessTime,NULL);
    result->time_write = FileTimeToUnixTime(&FindFileData.ftLastWriteTime,NULL);
    result->size = FindFileData.nFileSizeLow;
    strncpy(result->name,FindFileData.cFileName, MAX_PATH);

    return 0;
}