#ifndef WSCLIENT_H
#define WSCLIENT_H

#include "seasocks/Server.h"
#include "seasocks/WebSocket.h"
#include <filesystem>
#include <chrono>
#include <string>
#include "structures.h"

static constexpr int DATASIZE = 0x2000;
enum ParserState {
  StateIdle = 0,
  StateHeader,
  StateData,
  StateReply,
};

class WsClient {
  seasocks::WebSocket * ws;
  int                 & pollfd;
  TrigerSettings        trigerSettings;
  bool                  running;
  int                   fd;
  const size_t          reclen;
  char                * recbuff;
  int                   recindex;
  
  ParserState           state;
  int                   packet_cnt;
  char                * packet_buf;
  SendHeader            header;
  public:
    explicit WsClient(seasocks::WebSocket * p, int & fd) : ws (p), pollfd (fd),
             trigerSettings(), running(false), fd(0), reclen(0x4000ul),
             recindex(0), state(StateIdle), packet_cnt(0) {
      recbuff    = new char [reclen];
      packet_buf = new char [DATASIZE];
    }
    virtual ~WsClient() {
      delete [] recbuff;
      delete [] packet_buf;
    };
    bool start   ();
    void stop    ();
    void send    (const char * data);
    void receive ();
  protected:
    void SendTrigerMode (int n);
    void SendTrigerEdge (int n);
    void SendTrigerChan (int n);
    void SendBaseRange  (int n);
    void SettingChanged (int n);
    void SendVoltage (int ch, int n);
    
    void Start          ();
    void send_trig_mode ();
    int  write (const char * data, const int len);
    void received_pack  ();
    void parse_input    (const char * data, const long len);
    void parse_header   ();
    void parse_packet   ();
    void parse_reply    (const char * data, const int len);
};

#endif // WSCLIENT_H