#ifndef FTPCLIENT_H
#define FTPCLIENT_H

#include "TCPClient.h"
#include "FTPServer.h"
#include "Dictionary.h"

class FTPClient : public TCPClient
{
  template<typename T>
  friend class FTPServer;
  public:
	FTPClient(WiFiClient client, uint8_t id, uint16_t clientCommandDataBufferSize = 255);
	virtual ~FTPClient();
  protected:
  private:
    FTPClient(const FTPClient &Object) : TCPClient(Object){}
    void setDataClient(WiFiClient dataClient); //Also known as the data socket
    boolean parseCommandAndParameters(void);
    void setUsername(const char *username);
    void setCurrentDirectory(const char *dir);
    void setCurrentFile(const char *file);
    void startTimeout();
    void closeDataConnection();

    char _ftpCommand[5] = {'\0'};
    Dictionary<DictionaryHelper::StringEntity> *_cmdParameters = NULL;
    boolean _loggedIn = false;
    char *_username = NULL;
    char *_currentDirectory = NULL;
    char *_currentFile = NULL;
    size_t _fileSentBytes = 0;
    size_t _fileRecvBytes = 0;
    boolean _waitingForDataConnection = false;
    boolean _fileIsBeeingReceived = false;
    uint64_t _actionTimeout = 0;
    boolean _dataClientConnected = false;
    
    FTPServer<FTPClient>::FTPClientState _ftpClientState = FTPServer<FTPClient>::FTPClientState::INIT;
    FTPServer<FTPClient>::BinaryFlag _binaryFlag = FTPServer<FTPClient>::BinaryFlag::OFF;
    FTPServer<FTPClient>::FTPClientDataTransfer _dataTransferPending = FTPServer<FTPClient>::FTPClientDataTransfer::NONE;
    WiFiClient _dataClient; //data socket
};

#endif //FTPCLIENT_H