#ifndef _SHCSDK_H
#define _SHCSDK_H

#ifdef WIN32

# if defined(SHCSDK_EXPORTS)
#  define WIN32DLL __declspec(dllexport)
# else
#  define WIN32DLL __declspec(dllimport)
# endif

#else

# define WIN32DLL

typedef long long INT64;
//typedef int bool;

#endif


typedef void *HSHSDK;
typedef void *HSHFILELIST;

typedef struct {
	char         *path;
	INT64        size;
	char         *lastModified;
	char		 *lastModified_gmt;
	unsigned int attr;
	char         *source;
} SHFILE_STRUCT, *PSHFILE_STRUCT;

// For SHFILE.attr
enum SHCSDK_FILEATTR {
	SHFILEATTR_FOLDER = 0x00000001,
};

// For write policy
enum SHCSDK_WRITEPOLICY {
	SHWRITEPOLICY_NONE      = 0,
	SHWRITEPOLICY_OVERWRITE,
	SHWRITEPOLICY_APPEND,
};

// For error number
enum SHCSDK_ERRNO {
	SHCERRNO_UNDEFINED     = 30000,
	SHCERRNO_INVALIDHDL    = 30001,
	SHCERRNO_INVALIDFLHDL  = 30002,
	SHCERRNO_SERVICE       = 30003,
	SHCERRNO_AUTHORIZATION = 30004,
	SHCERRNO_ISBUSY        = 30005,
	SHCERRNO_EXISTSFILE    = 30006,
	SHCERRNO_NOEXISTSFILE  = 30007,
	SHCERRNO_NOAVAILQUOTA  = 30008,
	SHCERRNO_ALREADYEXIST  = 30009,
	SHCERRNO_MAX           = SHCERRNO_ALREADYEXIST + 1,
};

// Callback function format
typedef int (*sh_callback)(
	void  *param,  // Callback function's param
	INT64 progress // Progress
);

typedef int (*down_stream)(
	void* userval,
	const char* buf,
	size_t len
);
	

#ifdef __cplusplus
extern "C" {
#endif

// Initialization
WIN32DLL HSHSDK sh_init(
	const char  *url,        // Url
	const char  *authString, // Authentication string
	sh_callback proc,        // Callback function
	void        *param);     // Callback function's Param

// Termination
WIN32DLL void sh_free(
	HSHSDK hshsdk); // SDK HANDLE


WIN32DLL int sh_get_error_number(
	HSHSDK hshsdk); // SDK handle
WIN32DLL const char* sh_get_error_message(
	HSHSDK hshsdk);	// SDK handle


WIN32DLL HSHFILELIST sh_get_filelist(
	HSHSDK       hshsdk, // SDK handle
	const char   *path,  // Path
	unsigned int depth); // 0 : itself
                         // 1 : 1 depth children
                         // 2 : all children

WIN32DLL long sh_get_filelist_count(
	HSHSDK       hshsdk, // SDK handle
	HSHFILELIST  hshfl); // File list handle

WIN32DLL PSHFILE_STRUCT sh_get_file(
	HSHSDK        hshsdk, // SDK handle
	HSHFILELIST   hshfl,  // File list handle
	long          index); // File index

WIN32DLL void sh_free_filelist(
	HSHSDK       hshsdk, // SDK handle
	HSHFILELIST  hshfl); // File list handle

WIN32DLL int sh_make_directory(
	HSHSDK     hshsdk,     // SDK handle
	const char *drectory); // Directory Path

WIN32DLL int sh_copy(
	HSHSDK     hshsdk,     // SDK handle
	const char *srcPath,   // Source file | directory
	const char *dstPath,   // Destination file | directory
	int        overwrite); // 0 : Don't overwrite
                           // 1 : Overwrite

WIN32DLL int sh_move(
	HSHSDK     hshsdk,     // SDK handle
	const char *srcPath,   // Source file | directory
	const char *dstPath,   // Destination file | directory
	int        overwrite); // 0 : Don't overwrite
                           // 1 : Overwrite

WIN32DLL int sh_delete(
	HSHSDK     hshsdk, // SDK handle
	const char *path); // File | directory

WIN32DLL int sh_upload(
	HSHSDK     hshsdk,      // SDK handle
	const char *srcPath,    // Source file
	const char *dstPath,    // Destination file
	int        writePolicy, // Write policy flag
	INT64      availQuota); // Avail quota

WIN32DLL int sh_download(
	HSHSDK     hshsdk,      // SDK handle
	const char *srcPath,    // Source file
	const char *dstPath,    // Destination file
	int        writePolicy, // Write policy flag
	INT64      availQuota); // Avail quota

WIN32DLL int sh_upload_buffer(
	HSHSDK     hshsdk,      // SDK handle
	down_stream proc,
	void* userval,			// User-supplied value for callback
	const char *dstPath,    // Destination file
	INT64      availQuota); // Avail quota

WIN32DLL int sh_download_buffer(
	HSHSDK     hshsdk,      // SDK handle
	const char *srcPath,    // Source file
	down_stream proc,
	void*	   userval		// User-supplied value for callback
	); // Avail quota

WIN32DLL int sh_encrypt(
	const char *text,       // String (< 1000 bytes)
	char       *encrypted); // Encrypted String (1000 bytes)

WIN32DLL int sh_set_limit(
    HSHSDK	   hshsdk,		// SDK handle
	int		   nLimit);		// Limit value

WIN32DLL int sh_get_limit(
    HSHSDK	   hshsdk		// SDK handle
	);		// Limit value

WIN32DLL INT64 sh_get_filepos(
	HSHSDK		hshsdk		// SDK handle
	);

WIN32DLL bool sh_file_exist(
	HSHSDK		hshsdk,		// SDK Handle
	const char	*path);		// file/folder Path

WIN32DLL void sh_set_C_timeout(
	int second				// Time out (Second)
);

WIN32DLL int sh_set_sessionID(
    HSHSDK		hshsdk,		// SDK Handle
    const char  *pszID);

WIN32DLL const char* sh_get_sessionID(
	HSHSDK		hshsdk		// SDK Handle
	);

WIN32DLL int sh_set_auth_expire(
	HSHSDK		hshsdk,		// SDK Handle
	int			ntime		// Expire time
	);

WIN32DLL int sh_get_auth_expire(
	HSHSDK		hshsdk		// SDK Handle
	);

#ifdef __cplusplus
}
#endif

#endif