/*

    Copyright (C) 2015 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    Basic class representing a player in the Four-In-A-Row game.

 */

#import "AAPLPlayer.h"

@interface AAPLPlayer ()

@property (readwrite) AAPLChip chip;

@property (nonatomic, readwrite, copy) NSString *name;

@end

@implementation AAPLPlayer

- (instancetype)initWithChip:(AAPLChip)chip {

    self = [super init];

    if (self) {

        _chip = chip;

    }

    return self;

}

+ (AAPLPlayer *)redPlayer {

    return [self playerForChip:AAPLChipRed];

}

+ (AAPLPlayer *)blackPlayer {

    return [self playerForChip:AAPLChipBlack];

}

+ (AAPLPlayer *)playerForChip:(AAPLChip)chip {

    if (chip == AAPLChipNone) {

        return nil;

    }

    // Chip enum is 0/1/2, array is 0/1.

    return [self allPlayers][chip - 1];

}

+ (NSArray<AAPLPlayer *> *)allPlayers {

    static NSArray<AAPLPlayer *> *allPlayers = nil;

    if (allPlayers == nil) {

        allPlayers = @[

           [[AAPLPlayer alloc] initWithChip:AAPLChipRed],

           [[AAPLPlayer alloc] initWithChip:AAPLChipBlack],

        ];

    }

    return allPlayers;

}

- (UIColor *)color {

    switch (self.chip) {

        case AAPLChipRed:

            return [UIColor redColor];

        case AAPLChipBlack:

            return [UIColor blackColor];

        default:

            return nil;

    }

}

- (NSString *)name {

    switch (self.chip) {

        case AAPLChipRed:

            return @"Red";

        case AAPLChipBlack:

            return @"Black";

        default:

            return nil;

    }

}

- (NSString *)debugDescription {

    switch (self.chip) {

        case AAPLChipRed:

            return @"X";

        case AAPLChipBlack:

            return @"O";

        default:

            return @" ";

    }

}

- (AAPLPlayer *)opponent {

    switch (self.chip) {

        case AAPLChipRed:

            return [AAPLPlayer blackPlayer];

        case AAPLChipBlack:

            return [AAPLPlayer redPlayer];

        default:

            return nil;

    }

}

@end