//

//  gameSetup.m

//  hwengine

//

//  Created by Vittorio on 10/01/10.

//  Copyright 2010 __MyCompanyName__. All rights reserved.

//

#import <pthread.h>

#import "SDL_uikitappdelegate.h"

#import "gameSetup.h"

#import "SDL_net.h"

#import "PascalImports.h"

#define IPC_PORT 51342

#define IPC_PORT_STR "51342"

#define BUFFER_SIZE 256

@implementation gameSetup

void engineProtocolThread () {

	TCPsocket sd, csd; /* Socket descriptor, Client socket descriptor */

	IPaddress ip;

	int idx, eProto;

	BOOL serverQuit, clientQuit;

	char buffer[BUFFER_SIZE], string[BUFFER_SIZE];

	Uint8 msgSize;

	Uint16 gameTicks;

	if (SDLNet_Init() < 0) {

		fprintf(stderr, "SDLNet_Init: %s\n", SDLNet_GetError());

		exit(EXIT_FAILURE);

	}

	/* Resolving the host using NULL make network interface to listen */

	if (SDLNet_ResolveHost(&ip, NULL, IPC_PORT) < 0) {

		fprintf(stderr, "SDLNet_ResolveHost: %s\n", SDLNet_GetError());

		exit(EXIT_FAILURE);

	}

	/* Open a connection with the IP provided (listen on the host's port) */

	if (!(sd = SDLNet_TCP_Open(&ip))) {

		fprintf(stderr, "SDLNet_TCP_Open: %s\n", SDLNet_GetError());

		exit(EXIT_FAILURE);

	}

	NSLog(@"engineProtocolThread - Waiting for a client");

	serverQuit = NO;

	while (!serverQuit) {

		/* This check the sd if there is a pending connection.

		 * If there is one, accept that, and open a new socket for communicating */

		if ((csd = SDLNet_TCP_Accept(sd))) {

			NSLog(@"engineProtocolThread - Client found");

			//first byte of the command alwayas contain the size of the command

			SDLNet_TCP_Recv(csd, &msgSize, sizeof(Uint8));

			SDLNet_TCP_Recv(csd, buffer, msgSize);

			gameTicks = SDLNet_Read16(&buffer[msgSize - 2]);

			NSLog(@"engineProtocolThread - %d: received [%s]", gameTicks, buffer);

			if ('C' == buffer[0]) {

				NSLog(@"engineProtocolThread - Client found and connected");

				clientQuit = NO;

			} else {

				NSLog(@"engineProtocolThread - wrong Connected message, closing");

				clientQuit = YES;

			}

			while (!clientQuit){

				/* Now we can communicate with the client using csd socket

				 * sd will remain opened waiting other connections */

				idx = 0;

				msgSize = 0;

				memset(buffer, 0, BUFFER_SIZE);

				memset(string, 0, BUFFER_SIZE);

				SDLNet_TCP_Recv(csd, &msgSize, sizeof(Uint8));

				SDLNet_TCP_Recv(csd, buffer, msgSize);

				gameTicks = SDLNet_Read16(&buffer[msgSize - 2]);

				NSLog(@"engineProtocolThread - %d: received [%s]", gameTicks, buffer);

				switch (buffer[0]) {

					case '?':

						NSLog(@"Ping? Pong!");

						string[idx++] = 0x01;

						string[idx++] = '!';

						SDLNet_TCP_Send(csd, string, idx);

						break;

					case 'E':

						NSLog(@"ERROR - last console line: [%s]", buffer);

						clientQuit = YES;

						break;

					default:

						sscanf(buffer, "%*s %d", &eProto);

						if (HW_protoVer() == eProto) {

							NSLog(@"Setting protocol version %s", buffer);

						} else {

							NSLog(@"ERROR - wrong protocol number: [%s] - expecting %d", buffer, eProto);

							clientQuit = YES;

						}

						break;

				} 

				/*

				 // Terminate this connection 

				 if(strcmp(buffer, "exit") == 0)	{

				 quit2 = 1;

				 printf("Terminate connection\n");

				 }

				 // Quit the thread

				 if(strcmp(buffer, "quit") == 0)	{

				 quit2 = 1;

				 quit = 1;

				 printf("Quit program\n");

				 }

				 */

			}

		}

		/* Close the client socket */

		SDLNet_TCP_Close(csd);

	}

	SDLNet_TCP_Close(sd);

	SDLNet_Quit();

	pthread_exit(NULL);

}

void setupArgsForLocalPlay() {

	forward_argc = 18;

	forward_argv = (char **)realloc(forward_argv, forward_argc * sizeof(char *));

	//forward_argv[i] = malloc( (strlen(argv[i])+1) * sizeof(char));

	forward_argv[ 1] = forward_argv[0];	// (UNUSED)

	forward_argv[ 2] = "320";			// cScreenWidth (NO EFFECT)

	forward_argv[ 3] = "480";			// cScreenHeight (NO EFFECT)

	forward_argv[ 4] = "32";			// cBitsStr

	forward_argv[ 5] = IPC_PORT_STR;	// ipcPort; <- (MAIN TODO)

	forward_argv[ 6] = "1";				// cFullScreen (NO EFFECT)

	forward_argv[ 7] = "0";				// isSoundEnabled (TOSET)

	forward_argv[ 8] = "1";				// cVSyncInUse (UNUSED)

	forward_argv[ 9] = "en.txt";		// cLocaleFName (TOSET)

	forward_argv[10] = "100";			// cInitVolume (TOSET)

	forward_argv[11] = "8";				// cTimerInterval

	forward_argv[12] = "Data";			// PathPrefix

	forward_argv[13] = "1";				// cShowFPS (TOSET?)

	forward_argv[14] = "0";				// cAltDamage (TOSET)

	forward_argv[15] = "Koda";			// UserNick (DecodeBase64(ParamStr(15)) FTW) <- TODO

	forward_argv[16] = "0";				// isMusicEnabled (TOSET)

	forward_argv[17] = "0";				// cReducedQuality

	return;

}

@end