/*

File: PlayingCard.m

Abstract: A standard Western playing card.

Version: 1.0

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*/


#import "PlayingCard.h"
#import "QuartzUtils.h"


/**  WARNING: THIS CODE REQUIRES GARBAGE COLLECTION!
 **  This sample application uses Objective-C 2.0 garbage collection.
 **  Therefore, the source code in this file does NOT perform manual object memory management.
 **  If you reuse any of this code in a process that isn't garbage collected, you will need to
 **  add all necessary retain/release/autorelease calls, and implement -dealloc methods,
 **  otherwise unpleasant leakage will occur!
 **/


@implementation PlayingCard


+ (NSRange) serialNumberRange;
{
    return NSMakeRange(1,52);
}


- (CALayer*) createFront
{
    CALayer *front = [super createFront];
    NSString *name = [NSString stringWithFormat: @"%@%@",
                      self.rankString, self.suitString];
    
    CGColorRef suitColor = self.suitColor;
    CATextLayer *label;
    label = AddTextLayer(front, name, [NSFont systemFontOfSize: 18],
                         kCALayerMaxXMargin | kCALayerMinYMargin);
    label.foregroundColor = suitColor;
    label = AddTextLayer(front, name, [NSFont systemFontOfSize: 18],
                         kCALayerMaxXMargin | kCALayerMaxYMargin);
    label.foregroundColor = suitColor;
    label.anchorPoint = CGPointMake(1,1);
    [label setValue: [NSNumber numberWithFloat: M_PI] forKeyPath: @"transform.rotation"];
    
    label = AddTextLayer(front, self.faceSymbol, [NSFont systemFontOfSize: 80],
                         kCALayerWidthSizable | kCALayerHeightSizable);
    label.foregroundColor = suitColor;
    return front;
}


- (CardRank) rank       {return (self.serialNumber-1)%13 + 1;}
- (CardSuit) suit       {return (self.serialNumber-1)/13;}

- (CardColor) color
{
    CardSuit suit = self.suit;
    return suit==kSuitDiamonds || suit==kSuitHearts ?kColorRed :kColorBlack;
}


- (NSString*) suitString
{
    return [@"\u2663\u2666\u2665\u2660" substringWithRange: NSMakeRange(self.suit,1)];
}

- (NSString*) rankString
{
    CardRank rank = self.rank;
    if( rank == 10 )
        return @"10";
    else
        return [@"A234567890JQK" substringWithRange: NSMakeRange(rank-1,1)];
}

- (CGColorRef) suitColor
{
    static CGColorRef kSuitColor[4];
    if( ! kSuitColor[0] ) {
        kSuitColor[0] = kSuitColor[3] = kBlackColor;
        kSuitColor[1] = kSuitColor[2] = CGColorCreateGenericRGB(1, 0, 0, 1);
    }
    return kSuitColor[self.suit];
}


- (NSString*) faceSymbol
{
    int rank = self.rank;
    if( rank < kRankJack )
        return self.suitString;
    else
        return [@"\u265E\u265B\u265A" substringWithRange: NSMakeRange(rank-kRankJack,1)]; // actually chess symbols
}


- (NSString*) description
{
    return [NSString stringWithFormat: @"%@[%@%@]",self.class,self.rankString,self.suitString];
}


@end
