// Re-written simple SDL_net socket client example | Nov 2011 | r3dux
// Library dependencies: libSDL, libSDL_net

// IMPORTANT: This project will only build successfully in Debug mode on Windows!

#include <iostream>
#include <string>
#include <cstdlib>
#include <SDL.h>
#include <SDL_net.h>
#include "ClientSocket.h"
#include "SocketException.h"
#include "Main.h"
using namespace std;

int main(int argc, char *argv[])
{
	// Initialise SDL_net (Note: We don't initialise or use normal SDL at all - only the SDL_net library!)
	if (SDLNet_Init() == -1)
	{
		cerr << "Failed to intialise SDL_net: " << SDLNet_GetError() << std::endl;
		exit(-1);
	}

	// Create a pointer to a ServerSocket object
	ClientSocket *cs;

	try
	{
		// Now try to instantiate the client socket
		// Parameters: server address, port number, buffer size (i.e. max message size)
		// Note: You can provide the serverURL as a dot-quad ("1.2.3.4") or a hostname ("server.foo.com")
		cs = new ClientSocket("127.0.0.1", 1234, 512);
	}
	catch (SocketException e)
	{
		cerr << "Something went wrong creating a ClientSocket object." << std::endl;
		cerr << "Error is: " << e.what()   << std::endl;
		cerr << "Terminating application." << std::endl;
		exit(-1);
	}

	try
	{
		// Attempt to connect to the server at the provided address and port
		cs->connectToServer();

		string receivedMessage = "";

		cout << "Use /quit to disconnect or /shutdown to shutdown the server." << endl;

		// Display the initial prompt
		cs->displayPrompt();

		// Run the main loop...
		do
		{
			// Check if we've received a message
			receivedMessage = cs->checkForIncomingMessages();

			// If so then...
			if (receivedMessage != "")
			{
				// Display the message and then blank it...
				cs->displayMessage(receivedMessage);

				// and then re-display the prompt along with any typed-but-not-yet-sent input
				cs->displayPrompt();
			}

			// Get and deal with input from the user in a non-blocking manner
			cs->getUserInput();

		// ... until we decide to quit or the server is shut down
		} while ( (cs->getShutdownStatus() == false));

	}
	catch (SocketException e)
	{
		cerr << "Caught an exception in the main loop..." << endl;
		cerr << e.what() << endl;
		cerr << "Terminating application." << endl;
	}

	// Shutdown SDLNet - our ClientSocket will clean up after itself on destruction
	SDLNet_Quit();

	return 0;
}