/*
  Copyright (c) 2013 Arduino LLC. All right reserved.

  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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/

#ifndef _BRIDGE_CLIENT_H_
#define _BRIDGE_CLIENT_H_

#include <Bridge.h>
#include <Client.h>

class BridgeClient : public Client {
  public:
    // Constructor with a user provided BridgeClass instance
    BridgeClient(uint8_t _h, BridgeClass &_b = Bridge);
    BridgeClient(BridgeClass &_b = Bridge);
    ~BridgeClient();

    // Stream methods
    // (read message)
    virtual int available();
    virtual int read();
    virtual int read(uint8_t *buf, size_t size);
    virtual int peek();
    // (write response)
    virtual size_t write(uint8_t);
    virtual size_t write(const uint8_t *buf, size_t size);
    virtual void flush();
    // TODO: add optimized function for block write

    virtual operator bool () {
      return opened;
    }

    BridgeClient& operator=(const BridgeClient &_x);

    virtual void stop();
    virtual uint8_t connected();

    virtual int connect(IPAddress ip, uint16_t port);
    virtual int connect(const char *host, uint16_t port);

  private:
    BridgeClass &bridge;
    uint8_t handle;
    boolean opened;

  private:
    void doBuffer();
    uint8_t buffered;
    uint8_t readPos;
    static const int BUFFER_SIZE = 64;
    uint8_t buffer[BUFFER_SIZE];

};

#endif // _BRIDGE_CLIENT_H_