#pragma once

#include <ESP8266WiFi.h>
#include <WiFiUdp.h>

/// <summary>
/// Connects to a PixelHub server, receives commands, and acts upon them.
/// </summmary>
class PixelBot
{
public:
	PixelBot();
	~PixelBot();
	
	/// <summary>
	/// Listens for beacon pings that reveal the location of the PixelHub server.
	/// </summary>
	/// <description>
	/// Upon receiving a ping it parses the message to figure out the location of the PixelHub server.
	/// Once done it fills out a few private variables ready for the TCP connection.
	/// </description>
	void FindServer();
	
	/// <summary>
	/// Connects the TCP transport connection to the PixelHub server.
	/// </summary>
	bool Connect();
	/// <summary>
	/// Starts the main listening loop that handles commands from the PixelHub server.
	/// </summary>
	void Listen();
	/// <summary>
	/// Performs a single tick of the listen loop.
	/// Very useful if you want to do other things at the same time as handling commands from the PixelHub server.
	/// </summary>
	bool Tick();
  
private:
	// ~~~ Manual Settings ~~~ //
	char desiredRemoteRole[7] = { 's', 'e', 'r', 'v', 'e', 'r', '\0' };
	// ~~~ Automatic Settings ~~~ //
	// The IP address of the remote PixelHub server. Autofilled by the FindServer() method.
	char serverIp[16];
	// The port number that the PixelHub server is running on. Autofilled by the FindServer() method.
	int serverPort = -1;
	
	// ~~~ Auto Discovery System ~~~ //
	
	// The multicast address that the PixelHub beacon is broadcasting on.
	IPAddress beaconAddress = IPAddress(239, 62, 148, 30);
	// The multicast port number that the PixelHub beacon is broadcasting on.
	unsigned int beaconPort = 5050;
	
	// The size of the datagram buffer that is used to buffer incoming messages.
	int datagramBufferSize = 256;

	// ~~~ PixelHub Server Client ~~~ //
	
	// The TCP client to use as the PixelHub server transport connection.
	WiFiClient tcpClient = WiFiClient();

	bool processCommand(String command);
};