#ifndef _LIB_R_FS_H_
#define _LIB_R_FS_H_

#include <r_types.h>
#include <r_list.h>
#include <r_io.h>

#ifdef __cplusplus
extern "C" {
#endif

R_LIB_VERSION_HEADER (r_fs);

struct r_fs_plugin_t;
struct r_fs_root_t;
struct r_fs_t;

typedef struct r_fs_t {
	RIOBind iob;
	RList /*<RFSPlugin>*/ *plugins;
	RList /*<RFSRoot>*/ *roots;
	int view;
	void *ptr;
} RFS;

typedef struct r_fs_file_t {
	char *name;
	char *path;
	ut64 off;
	ut32 size;
	ut8 *data;
	void *ctx;
	char type;
	ut64 time;
	struct r_fs_plugin_t *p;
	struct r_fs_root_t *root;
	void *ptr; // internal pointer
} RFSFile;

typedef struct r_fs_root_t {
	char *path;
	ut64 delta;
	struct r_fs_plugin_t *p;
	void *ptr;
	RIOBind iob;
} RFSRoot;

typedef struct r_fs_plugin_t {
	const char *name;
	const char *desc;
	RFSFile* (*slurp)(RFSRoot *root, const char *path);
	RFSFile* (*open)(RFSRoot *root, const char *path);
	boolt (*read)(RFSFile *fs, ut64 addr, int len);
	void (*close)(RFSFile *fs);
	RList *(*dir)(RFSRoot *root, const char *path, int view);
	void (*init)();
	void (*fini)();
	int (*mount)(RFSRoot *root);
	void (*umount)(RFSRoot *root);
} RFSPlugin;

typedef struct r_fs_partition_t {
	int number;
	ut64 start;
	ut64 length;
	int index;
	int type;
} RFSPartition;

#define R_FS_FILE_TYPE_DIRECTORY 'd'
#define R_FS_FILE_TYPE_REGULAR 'r'
#define R_FS_FILE_TYPE_DELETED 'x'
#define R_FS_FILE_TYPE_SPECIAL 's'
#define R_FS_FILE_TYPE_MOUNT 'm'

typedef struct r_fs_partition_type_t {
	const char *name;
	void *ptr;
} RFSPartitionType;
#define R_FS_PARTITIONS_LENGTH (int)(sizeof (partitions)/sizeof(RFSPartitionType)-1)

enum {
	R_FS_VIEW_NORMAL = 0,
	R_FS_VIEW_DELETED = 1,
	R_FS_VIEW_SPECIAL = 2,
	R_FS_VIEW_ALL = 0xff,
};

#ifdef R_API
R_API RFS *r_fs_new();
R_API void r_fs_view(RFS* fs, int view);
R_API void r_fs_free(RFS* fs);
R_API void r_fs_add(RFS *fs, RFSPlugin *p);
R_API void r_fs_del(RFS *fs, RFSPlugin *p);
R_API RFSRoot *r_fs_mount(RFS* fs, const char *fstype, const char *path, ut64 delta);
R_API boolt r_fs_umount(RFS* fs, const char *path);
R_API RList *r_fs_root(RFS *fs, const char *path);
R_API RFSFile *r_fs_open(RFS* fs, const char *path);
R_API void r_fs_close(RFS* fs, RFSFile *file);
R_API int r_fs_read(RFS* fs, RFSFile *file, ut64 addr, int len);
R_API RFSFile *r_fs_slurp(RFS* fs, const char *path);
R_API RList *r_fs_dir(RFS* fs, const char *path);
R_API int r_fs_dir_dump(RFS* fs, const char *path, const char *name);
R_API RList *r_fs_find_name(RFS* fs, const char *name, const char *glob);
R_API RList *r_fs_find_off(RFS* fs, const char *name, ut64 off);
R_API RList *r_fs_partitions(RFS* fs, const char *ptype, ut64 delta);
R_API char *r_fs_name(RFS *fs, ut64 offset);
R_API int r_fs_prompt(RFS *fs, const char *root);

/* file.c */
R_API RFSFile *r_fs_file_new(RFSRoot *root, const char *path);
R_API void r_fs_file_free(RFSFile *file);
R_API RFSRoot *r_fs_root_new(const char *path, ut64 delta);
R_API void r_fs_root_free(RFSRoot *root);
R_API RFSPartition *r_fs_partition_new(int num, ut64 start, ut64 length);
R_API void r_fs_partition_free(RFSPartition *p);
R_API const char *r_fs_partition_type(const char *part, int type);
R_API const char *r_fs_partition_type_get(int n);
R_API int r_fs_partition_get_size(); // WTF. wrong function name

/* plugins */
extern RFSPlugin r_fs_plugin_ext2;
extern RFSPlugin r_fs_plugin_fat;
extern RFSPlugin r_fs_plugin_ntfs;
extern RFSPlugin r_fs_plugin_hfs;
extern RFSPlugin r_fs_plugin_hfsplus;
extern RFSPlugin r_fs_plugin_reiserfs;
extern RFSPlugin r_fs_plugin_tar;
extern RFSPlugin r_fs_plugin_iso9660;
extern RFSPlugin r_fs_plugin_udf;
extern RFSPlugin r_fs_plugin_ufs;
extern RFSPlugin r_fs_plugin_ufs2;
extern RFSPlugin r_fs_plugin_sfs;
extern RFSPlugin r_fs_plugin_tar;
extern RFSPlugin r_fs_plugin_btrfs;
extern RFSPlugin r_fs_plugin_jfs;
extern RFSPlugin r_fs_plugin_afs;
extern RFSPlugin r_fs_plugin_affs;
extern RFSPlugin r_fs_plugin_cpio;
extern RFSPlugin r_fs_plugin_xfs;
extern RFSPlugin r_fs_plugin_fb;
extern RFSPlugin r_fs_plugin_minix;
extern RFSPlugin r_fs_plugin_posix;
#endif

#ifdef __cplusplus
}
#endif

#endif