/* gphoto2-filesys.h
 *
 * Copyright © 2000 Scott Fritzinger
 *
 * Contributions:
 * 	Lutz Müller <lutz@users.sf.net> (2001)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __GPHOTO2_FILESYS_H__
#define __GPHOTO2_FILESYS_H__

#include <time.h>

#include <gphoto2-context.h>
#include <gphoto2-list.h>
#include <gphoto2-file.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef enum {
	GP_FILE_INFO_NONE            = 0,
	GP_FILE_INFO_TYPE            = 1 << 0,
	GP_FILE_INFO_NAME            = 1 << 1,
	GP_FILE_INFO_SIZE            = 1 << 2,
	GP_FILE_INFO_WIDTH           = 1 << 3,
	GP_FILE_INFO_HEIGHT          = 1 << 4,
	GP_FILE_INFO_PERMISSIONS     = 1 << 5,
	GP_FILE_INFO_STATUS	     = 1 << 6,
	GP_FILE_INFO_MTIME	     = 1 << 7,
	GP_FILE_INFO_ALL             = 0xFF
} CameraFileInfoFields;

typedef enum {
	GP_FILE_PERM_NONE       = 0,
	GP_FILE_PERM_READ       = 1 << 0,
	GP_FILE_PERM_DELETE     = 1 << 1,
	GP_FILE_PERM_ALL        = 0xFF
} CameraFilePermissions;

typedef enum {
	GP_FILE_STATUS_NOT_DOWNLOADED,
	GP_FILE_STATUS_DOWNLOADED
} CameraFileStatus;

typedef struct _CameraFileInfoFile CameraFileInfoFile;
struct _CameraFileInfoFile {
	CameraFileInfoFields fields;
	CameraFileStatus status;
	unsigned long size;
	char type[64];

	unsigned int width, height;
	char name[64];
	CameraFilePermissions permissions;
	time_t mtime;
};

typedef struct _CameraFileInfoPreview CameraFileInfoPreview;
struct _CameraFileInfoPreview {
	CameraFileInfoFields fields;
	CameraFileStatus status;
	unsigned long size;
	char type[64];

	unsigned int width, height;
};

typedef struct _CameraFileInfoAudio CameraFileInfoAudio;
struct _CameraFileInfoAudio {
	CameraFileInfoFields fields;
	CameraFileStatus status;
	unsigned long size;
	char type[64];
};

typedef struct _CameraFileInfo CameraFileInfo;
struct _CameraFileInfo {
	CameraFileInfoPreview preview;
	CameraFileInfoFile    file;
	CameraFileInfoAudio   audio;
};

/* You don't really want to know what's inside, do you? */
typedef struct _CameraFilesystem CameraFilesystem;

int gp_filesystem_new	 (CameraFilesystem **fs);
int gp_filesystem_free	 (CameraFilesystem *fs);

/* Manual editing */
int gp_filesystem_append           (CameraFilesystem *fs, const char *folder,
			            const char *filename, GPContext *context);
int gp_filesystem_set_info_noop    (CameraFilesystem *fs, const char *folder,
				    CameraFileInfo info, GPContext *context);
int gp_filesystem_set_file_noop    (CameraFilesystem *fs, const char *folder,
				    CameraFile *file, GPContext *context);
int gp_filesystem_delete_file_noop (CameraFilesystem *fs, const char *folder,
				    const char *filename, GPContext *context);
int gp_filesystem_reset            (CameraFilesystem *fs);

/* Information retrieval */
int gp_filesystem_count	       (CameraFilesystem *fs, const char *folder,
				GPContext *context);
int gp_filesystem_name         (CameraFilesystem *fs, const char *folder,
			        int filenumber, const char **filename,
				GPContext *context);
int gp_filesystem_get_folder   (CameraFilesystem *fs, const char *filename,
			        const char **folder, GPContext *context);
int gp_filesystem_number       (CameraFilesystem *fs, const char *folder,
				const char *filename, GPContext *context);

/* Listings */
typedef int (*CameraFilesystemListFunc) (CameraFilesystem *fs,
					 const char *folder, CameraList *list,
					 void *data, GPContext *context);
int gp_filesystem_set_list_funcs (CameraFilesystem *fs,
				  CameraFilesystemListFunc file_list_func,
				  CameraFilesystemListFunc folder_list_func,
				  void *data);
int gp_filesystem_list_files     (CameraFilesystem *fs, const char *folder,
				  CameraList *list, GPContext *context);
int gp_filesystem_list_folders   (CameraFilesystem *fs, const char *folder,
				  CameraList *list, GPContext *context);

/* File information */
typedef int (*CameraFilesystemSetInfoFunc) (CameraFilesystem *fs,
					    const char *folder,
					    const char *filename,
					    CameraFileInfo info, void *data,
					    GPContext *context);
typedef int (*CameraFilesystemGetInfoFunc) (CameraFilesystem *fs,
					    const char *folder,
					    const char *filename,
					    CameraFileInfo *info, void *data,
					    GPContext *context);
int gp_filesystem_set_info_funcs (CameraFilesystem *fs,
				  CameraFilesystemGetInfoFunc get_info_func,
				  CameraFilesystemSetInfoFunc set_info_func,
				  void *data);
int gp_filesystem_get_info       (CameraFilesystem *fs, const char *folder,
				  const char *filename, CameraFileInfo *info,
				  GPContext *context);
int gp_filesystem_set_info       (CameraFilesystem *fs, const char *folder,
				  const char *filename, CameraFileInfo info,
				  GPContext *context);

/* Files */
typedef int (*CameraFilesystemGetFileFunc)    (CameraFilesystem *fs,
					       const char *folder,
					       const char *filename,
					       CameraFileType type,
					       CameraFile *file, void *data,
					       GPContext *context);
typedef int (*CameraFilesystemDeleteFileFunc) (CameraFilesystem *fs,
					       const char *folder,
					       const char *filename,
					       void *data, GPContext *context);
int gp_filesystem_set_file_funcs (CameraFilesystem *fs,
				  CameraFilesystemGetFileFunc get_file_func,
				  CameraFilesystemDeleteFileFunc del_file_func,
				  void *data);
int gp_filesystem_get_file       (CameraFilesystem *fs, const char *folder,
				  const char *filename, CameraFileType type,
				  CameraFile *file, GPContext *context);
int gp_filesystem_delete_file    (CameraFilesystem *fs, const char *folder,
				  const char *filename, GPContext *context);

/* Folders */
typedef int (*CameraFilesystemPutFileFunc)   (CameraFilesystem *fs,
					      const char *folder,
					      CameraFile *file, void *data,
					      GPContext *context);
typedef int (*CameraFilesystemDeleteAllFunc) (CameraFilesystem *fs,
					      const char *folder, void *data,
					      GPContext *context);
typedef int (*CameraFilesystemDirFunc)       (CameraFilesystem *fs,
					      const char *folder,
					      const char *name, void *data,
					      GPContext *context);
int gp_filesystem_set_folder_funcs (CameraFilesystem *fs,
				  CameraFilesystemPutFileFunc put_file_func,
				  CameraFilesystemDeleteAllFunc delete_all_func,
				  CameraFilesystemDirFunc make_dir_func,
				  CameraFilesystemDirFunc remove_dir_func,
				  void *data);

typedef struct _CameraFilesystemFuncs CameraFilesystemFuncs;
struct _CameraFilesystemFuncs {
	CameraFilesystemListFunc	file_list_func;
	CameraFilesystemListFunc	folder_list_func;
	CameraFilesystemPutFileFunc	put_file_func;
	CameraFilesystemDeleteAllFunc	delete_all_func;
	CameraFilesystemGetInfoFunc	get_info_func;
	CameraFilesystemSetInfoFunc	set_info_func;
	CameraFilesystemDirFunc		make_dir_func;
	CameraFilesystemDirFunc		remove_dir_func;
	CameraFilesystemGetFileFunc	get_file_func;
	CameraFilesystemDeleteFileFunc	del_file_func;

	/* for later use. Remove one if you add a new function */
	void				*unused[32];
};
int gp_filesystem_set_funcs	(CameraFilesystem *fs,
				 CameraFilesystemFuncs *funcs,
				 void *data);
int gp_filesystem_put_file   (CameraFilesystem *fs, const char *folder,
			      CameraFile *file, GPContext *context);
int gp_filesystem_delete_all (CameraFilesystem *fs, const char *folder,
			      GPContext *context);
int gp_filesystem_make_dir   (CameraFilesystem *fs, const char *folder,
			      const char *name, GPContext *context);
int gp_filesystem_remove_dir (CameraFilesystem *fs, const char *folder,
			      const char *name, GPContext *context);

/* For debugging */
int gp_filesystem_dump         (CameraFilesystem *fs);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __GPHOTO2_FILESYS_H__ */
