#ifndef NITRO_FS_FILE_H_
#define NITRO_FS_FILE_H_

#include "nitro.h"

#include "FS_archive.h"

struct FSFile;

#define FS_DMA_NOT_USE ((u32)~0)

typedef struct FSDirPos
{
    struct FSArchive *arc;
    u16 own_id;
    u16 index;
    u32 pos;
}
FSDirPos;

typedef struct FSFileID
{
    struct FSArchive *arc;
    u32 file_id;
}
FSFileID;

typedef struct
{
    union
    {
        FSFileID file_id;
        FSDirPos dir_id;
    };
    u32 is_directory;
    u32 name_len;
    char name[128];
}
FSDirEntry;


typedef struct
{
    FSDirPos pos;
}
FSSeekDirInfo;


typedef struct
{
    FSDirEntry *p_entry;
    BOOL skip_string;
}
FSReadDirInfo;


typedef struct
{
    FSDirPos pos;
    const char *path;
    BOOL find_directory;
    union
    {
        FSFileID *file;
        FSDirPos *dir;
    }
        result;
}
FSFindPathInfo;


typedef struct
{
    u8 *buf;
    u32 buf_len;
    u16 total_len;
    u16 dir_id;
}
FSGetPathInfo;


typedef struct
{
    FSFileID id;
}
FSOpenFileFastInfo;


typedef struct
{
    u32 top;
    u32 bottom;
    u32 index;
}
FSOpenFileDirectInfo;


typedef struct
{
    u32 reserved;
}
FSCloseFileInfo;


typedef struct
{
    void *dst;
    u32 len_org;
    u32 len;
}
FSReadFileInfo;


typedef struct
{
    const void *src;
    u32 len_org;
    u32 len;
}
FSWriteFileInfo;

typedef struct FSFile
{
    FSFileLink link;
    struct FSArchive *arc;
    u32 stat;
    FSCommandType command;
    FSResult error;
    OSThreadQueue queue[1];
    u32 filler; // Figure out what this actually is
    union {
        struct
        {
            u32 own_id;
            u32 top;
            u32 bottom;
            u32 pos;
        } file;
        struct
        {
            FSDirPos pos;
            u32 parent;
        } dir;
    } prop;

    union {
        FSReadFileInfo readfile;
        FSWriteFileInfo writefile;

        FSSeekDirInfo seekdir;
        FSReadDirInfo readdir;
        FSFindPathInfo findpath;
        FSGetPathInfo getpath;
        FSOpenFileFastInfo openfilefast;
        FSOpenFileDirectInfo openfiledirect;
        FSCloseFileInfo closefile;
    };
}
FSFile;

u32 FS_SetDefaultDMA(u32 dma_no); // returns the previous selection
void FS_InitFile(FSFile * p_file);

#endif //NITRO_FS_FILE_H_