//

//  gameSetup.m

//  hwengine

//

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

//  Copyright 2010 __MyCompanyName__. All rights reserved.

//

#import "GameSetup.h"

#import "SDL_uikitappdelegate.h"

#import "SDL_net.h"

#import "PascalImports.h"

#include <sys/types.h>

#include <sys/sysctl.h>

#define BUFFER_SIZE 256

@implementation GameSetup

-(id) init {

}

-(void) dealloc {

    [systemSettings release];

	[super dealloc];

}

#pragma mark -

#pragma mark Thread/Network relevant code

-(void) startThread: (NSString *) selector {

	SEL usage = NSSelectorFromString(selector);

	[NSThread detachNewThreadSelector:usage toTarget:self withObject:nil];

}

-(int) sendToEngine: (NSString *)string {

	Uint8 length = [string length];

	SDLNet_TCP_Send(csd, &length , 1);

	return SDLNet_TCP_Send(csd, [string UTF8String], length);

}

-(void) engineProtocol {

	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

	IPaddress ip;

	int eProto;

	BOOL clientQuit, serverQuit;

	char buffer[BUFFER_SIZE], string[BUFFER_SIZE];

	Uint8 msgSize;

	Uint16 gameTicks;

	if (SDLNet_Init() < 0) {

		NSLog(@"SDLNet_Init: %s", SDLNet_GetError());

		exit(EXIT_FAILURE);

	}

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

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

		NSLog(@"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))) {

		NSLog(@"SDLNet_TCP_Open: %s %\n", SDLNet_GetError(), ipcPort);

		exit(EXIT_FAILURE);

	}

	NSLog(@"engineProtocol - Waiting for a client on port %d", ipcPort);

	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 */

		csd = SDLNet_TCP_Accept(sd);

		if (NULL != csd) {

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

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

				NSLog(@"engineProtocol - sending game config");

				// send config data data

				/*

				seed is arbitrary string

				addteam <32charsMD5hash> <color> <team name>

				addhh <level> <health> <hedgehog name>

				  <level> is 0 for human, 1-5 for bots (5 is the most stupid)

				ammostore is one byte/number for each ammocount then one for each probability or so

				*/

				// local game

				[self sendToEngine:@"TL"];

				// seed info

				[self sendToEngine:@"eseed {232c1b42-7d39-4ee6-adf8-4240e1f1efb8}"];

				// various flags

				[self sendToEngine:@"e$gmflags 256"]; 

				[self sendToEngine:@"e$damagepct 100"];

				[self sendToEngine:@"e$turntime 45000"];

				[self sendToEngine:@"e$minestime 3000"];

				[self sendToEngine:@"e$landadds 4"];

				[self sendToEngine:@"e$sd_turns 15"];

				[self sendToEngine:@"e$casefreq 5"];

				// dimension of the map

				[self sendToEngine:@"e$template_filter 1"];

				// theme info

				[self sendToEngine:@"etheme Compost"];

			} else {

				NSLog(@"engineProtocolThread - wrong message or client closed connection");

				clientQuit = YES;

			}

			while (!clientQuit){

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

				 * sd will remain opened waiting other connections */

				msgSize = 0;

				memset(buffer, 0, BUFFER_SIZE);

				memset(string, 0, BUFFER_SIZE);

				if (SDLNet_TCP_Recv(csd, &msgSize, sizeof(Uint8)) <= 0)

					clientQuit = YES;

				if (SDLNet_TCP_Recv(csd, buffer, msgSize) <=0)

					clientQuit = YES;

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

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

				switch (buffer[0]) {

					case '?':

						NSLog(@"Ping? Pong!");

						[self sendToEngine:@"!"];

						break;

					case 'E':

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

						clientQuit = YES;

						break;

					case 'e':

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

						short int netProto;

						char *versionStr;

						/*

                        HW_versionInfo(&netProto, &versionStr);

						if (netProto == eProto) {

							NSLog(@"Setting protocol version %d (%s)", eProto, versionStr);

						} else {

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

							clientQuit = YES;

						}

                        */

						break;

					case 'i':

						switch (buffer[1]) {

							case 'r':

								NSLog(@"Winning team: %s", &buffer[2]);

								break;

							case 'k':

								NSLog(@"Best Hedgehog: %s", &buffer[2]);

								break;

						}

						break;

					default:

						// empty packet or just statistics

						break;

					// missing case for exiting right away

				}

			}

			NSLog(@"Engine exited, closing server");

			// wait a little to let the client close cleanly

			[NSThread sleepForTimeInterval:2];

			// Close the client socket

			SDLNet_TCP_Close(csd);

			serverQuit = YES;

		}

	}

	SDLNet_TCP_Close(sd);

	SDLNet_Quit();

	[pool release];

	[NSThread exit];

}

#pragma mark -

#pragma mark Setting methods

-(const char **)getSettings {

	NSString *ipcString = [[NSString alloc] initWithFormat:@"%d", ipcPort];

	NSString *localeString = [[NSString alloc] initWithFormat:@"%@.txt", [[NSLocale currentLocale] objectForKey:NSLocaleLanguageCode]];

    CGRect screenBounds = [[UIScreen mainScreen] bounds];

    NSString *wSize = [[NSString alloc] initWithFormat:@"%d", (int) screenBounds.size.width];

    NSString *hSize = [[NSString alloc] initWithFormat:@"%d", (int) screenBounds.size.height];

	const char **gameArgs = (const char**) malloc(sizeof(char*) * 8);

    /*

    size_t size;

    // Set 'oldp' parameter to NULL to get the size of the data returned so we can allocate appropriate amount of space

    sysctlbyname("hw.machine", NULL, &size, NULL, 0); 

    char *name = malloc(size);

    // Get the platform name

    sysctlbyname("hw.machine", name, &size, NULL, 0);

    NSString *machine = [[NSString alloc] initWithUTF8String:name];

    free(name);

   	const char **gameArgs = (const char**) malloc(sizeof(char*) * 9);

    // if the machine is less than iphone 3gs or less than ipod touch 3g use reduced graphics (land array)

    if ([machine hasPrefix:@"iPhone1"] || ([machine hasPrefix:@"iPod"] && ([machine hasSuffix:@"1,1"] || [machine hasSuffix:@"2,1"])))

        gameArgs[8] = "1";

    else

        gameArgs[8] = "0";

    [machine release];

    */

	gameArgs[0] = [[systemSettings objectForKey:@"username"] UTF8String];	//UserNick

	gameArgs[1] = [ipcString UTF8String];                                   //ipcPort

	gameArgs[2] = [[systemSettings objectForKey:@"sounds"] UTF8String];     //isSoundEnabled

	gameArgs[3] = [[systemSettings objectForKey:@"music"] UTF8String];      //isMusicEnabled

	gameArgs[4] = [localeString UTF8String];                                //cLocaleFName

	gameArgs[5] = [[systemSettings objectForKey:@"alternate"] UTF8String];	//cAltDamage

	gameArgs[6] = [wSize UTF8String];                                       //cScreenHeight

    gameArgs[7] = [hSize UTF8String];                                       //cScreenWidth

    [wSize release];

    [hSize release];

	[localeString release];

	[ipcString release];

	return gameArgs;

}

@end