#include <Foundation/Foundation.h>
#include <objc/Object.h>
#include <stdio.h>

@interface Hello : NSObject
+ (instancetype)new;
- (void)sayHello;
@end

@implementation Hello 

+ (instancetype)new {
	return [[self alloc] init];
}

- (void)sayHello {
	printf("Hello from Objective-C!\n");
}

@end

@interface ExtendedHello: Hello
- (void)sayHello;
- (void)baldNiko;
@end

@implementation ExtendedHello

- (void)baldNiko {
	printf("67 67 bald niko 67\n");
}

- (void)sayHello {
	[super sayHello];
	[self baldNiko];
}

@end

@interface DoubleExtendedHello: ExtendedHello
- (void)baldNiko;
@end

@implementation DoubleExtendedHello

- (void)baldNiko {
	printf("bald niko with CHEESE !!!\n");
}

@end

@interface Player : NSObject {
	int x;
	int y;
	NSString *name;
}

- (instancetype)init;
- (void)setX:(int)x;
- (void)setY:(int)y;
- (void)setName:(NSString *)name;
- (void)sayHi;
@end

@implementation Player 

- (instancetype)init {
	self = [super init];
	if (self) {
		x = 0;
		y = 0;
		name = @"Player";
	}

	return self;
}

- (void)setX:(int)val {
	x = val;
}

- (void)setY:(int)val {
	y = val;
}

- (void)setName:(NSString *)val {
	name = val;
}

- (void)sayHi {
	printf("Hello, I'm %s, and I am at X: %d, Y: %d!\n", [name UTF8String], x, y);
}

@end

int main(void) {
	Hello *hello = [Hello new];
	[hello sayHello];

	NSString *string = @"Test\n";
	printf([string UTF8String]);

	ExtendedHello *ehello = [ExtendedHello new];
	[ehello sayHello];

	DoubleExtendedHello *dehello = [DoubleExtendedHello new];
	[dehello sayHello];

	Player *player = [Player new];
	[player setName:@"John Hackclub"];
	[player sayHi];

	return 0;
}