#ifndef EthernetUDPWrapper_h
#define EthernetUDPWrapper_h

#ifndef Arduino_H
#include <Arduino.h>
#endif

#ifndef Ethernet_h
#include <Ethernet.h>
#endif

#ifndef EthernetUDP_h
#include <EthernetUDP.h>
#endif

class EthernetUDPWrapper {
    private:
        unsigned int _CS_pin;

        byte _mac[6] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};  // MAC address for ethernet module. Arbitrarily kept the same as example code.
        unsigned int _udp_port;  // UDP port we will be using. Set DAQ GUI to match. Just don't change it to one that is being used by other services
        IPAddress _ip;  // IP address of the Actuator Box. Set the router to bind to this IP address. Also update DAQ GUI code to match. IP address can change to whatever is needed

        EthernetUDP _UDP;

        char _incoming_packet_buffer[UDP_TX_PACKET_MAX_SIZE];
        int _incoming_packet_size = 0;
        IPAddress _remote_ip_address;  // IP address of the sender
        unsigned int _remote_udp_port;  // UDP port used by sender


        char _outgoing_packet_buffer[UDP_TX_PACKET_MAX_SIZE];
        int _outgoing_packet_size = 0;

    public:
        EthernetUDPWrapper(unsigned int pin, unsigned int port, IPAddress ip);
        bool begin();

        // Checks for a new message available and buffers it into _incoming_packet_buffer
        bool is_message_available();

        // Returns the pointer to the c_string with the message
        char* get_incoming_packet();
        // Returns the length of the buffered incoming packet
        int get_incoming_packet_length();

        // Sends a response to the last sender
        void send_response(char* msg, int length);
};
#endif