/*

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