//TileView.m

#import "TileView.h"
#import "config.h"

@implementation TileView

-(id)initWithFrame:(CGRect)frame
{
    NSAssert(NO, @"Use initWithLetter:andSideLength instead");
    return nil;
}

-(instancetype)initWithLetter:(NSString *)letter andSideLength:(float)sideLength
{
    UIImage* img = [UIImage imageNamed:@"tile.png"];
    self = [super initWithImage:img];

    if(self != nil){
        float scale = sideLength / img.size.width;
        self.frame = CGRectMake(0, 0, img.size.width*scale, img.size.height*scale);

        //add a letter on top
        UILabel* lblChar = [[UILabel alloc] initWithFrame:self.bounds];
        [self addSubview: lblChar];

        //save the letter
        _letter = letter;

        // enable user interaction
        self.userInteractionEnabled = YES;
    }

    return self;
}

-(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
    [[self controller] addPossibleLetter:self.letter];
}

@end