#ifndef SFTP_H_INCLUDED
#define SFTP_H_INCLUDED
#include "HTPublic.h"
#include "HTType.h"
#include <list>
#include "libssh2.h"
#include "libssh2_sftp.h"
#include "libssh2_publickey.h"
#include "openssl/des.h"
#include "openssl/sha.h"
#include "openssl/md5.h"
#include <string>

//#include "SSH.h"
#pragma pack (push ,1)
#pragma comment(lib,"libssh2.lib") 
//#pragma comment(lib,"libeay32.lib")
//#pragma comment(lib,"ssleay32.lib")
#pragma comment(lib,"ws2_32.lib") 
#pragma comment(lib,"crypt32.lib") 

using namespace std;
typedef struct
{
    int  iFileSize;
    char szFileName[256];
}ST_FILES_LIST;
#pragma pack (pop)

class SSH {
private:
    string ip;
    unsigned short port;
    int sock;

    SSH(const SSH&);
    SSH& operator=(const SSH&);

public:
    bool connected;
    void* session;

    bool connectTo(const string&, const string&);
    void disconnect(void);
public:
    SSH(string, unsigned short);
    virtual ~SSH(void); 

    virtual bool openSession(const string&, const string&) = 0;
    virtual void closeSession(void) = 0;
};


class SFTP : public SSH {
private:
    void* sftpSession;
    char m_LastErrMsg[128];

    SFTP(const SFTP&);
    SFTP& operator=(const SFTP&);
public:

    SFTP(string, unsigned short = 22);
    virtual ~SFTP(void);

    virtual bool openSession(const string&, const string&);
    virtual void closeSession(void);
    char *getLastErrMsg();

    bool exists(const string&) const;
    utint64 size(const string&) const;
    utint64 sizeEx(const void*) const;
    void* open(const string&, const unsigned int) const;
    void seek(const void*, const utint64) const;
    long read(const void*, char*, const unsigned int) const;
    long write(const void*, const char*, const unsigned int) const;
    int close(const void*) const;
    bool mkdir(const string&) const;
    void rmdir(const string&) const;
    list<ST_FILES_LIST> ls(const string& = "./", const unsigned int = FILTER_FILE | FILTER_PATH | FILTER_LONG) const;
    void rm(const string&) const;
    bool rename(const string&, const string&) const;
    int  download(const char* remoteFile, const char* localPath, int &error);

    static const unsigned int READ;
    static const unsigned int WRITE;
    static const unsigned int CREATE;

    static const unsigned int FILTER_FILE;
    static const unsigned int FILTER_PATH;
    static const unsigned int FILTER_LONG;
};
#endif // SFTP_H_INCLUDED