//
//  UIColor+UIColor_OWS.m
//  Signal
//
//  Created by Dylan Bourgeois on 25/11/14.
//  Copyright (c) 2014 Open Whisper Systems. All rights reserved.
//

#import "UIColor+OWS.h"
#import "Cryptography.h"

@implementation UIColor (OWS)


+ (UIColor*) ows_materialBlueColor {
    // blue: #2090EA
    return [UIColor colorWithRed:32.f/255.f green:144.f/255.f blue:234.f/255.f  alpha:1.f];
}

+ (UIColor*) ows_blackColor {
    // black: #080A00
    return [UIColor colorWithRed:8.f/255.f green:10.f/255.f blue:0./255.f  alpha:1.f];
}


+ (UIColor*) ows_darkGrayColor {
    return [UIColor colorWithRed:81.f/255.f green:81.f/255.f blue:81.f/255.f alpha:1.f];
}

+ (UIColor*) ows_darkBackgroundColor {
    return [UIColor colorWithRed:35.f/255.f green:31.f/255.f blue:32.f/255.f alpha:1.f];
}

+ (UIColor *) ows_fadedBlueColor {
    // blue: #B6DEF4
    return [UIColor colorWithRed:182.f/255.f green:222.f/255.f blue:244.f/255.f  alpha:1.f];
}

+ (UIColor *) ows_yellowColor {
    // gold: #FFBB5C
    return [UIColor colorWithRed:245.f/255.f green:186.f/255.f blue:98.f/255.f alpha:1.f];
}

+ (UIColor *) ows_greenColor {
    // green: #BF4240
    return [UIColor colorWithRed:66.f/255.f green:191.f/255.f blue:64.f/255.f alpha:1.f];
}

+ (UIColor *) ows_redColor {
    // red: #FF3867
    return [UIColor colorWithRed:255./255.f green:56.f/255.f blue:103.f/255.f alpha:1.f];
}

+ (UIColor *) ows_lightBackgroundColor {
    return [UIColor colorWithRed:242.f/255.f green:242.f/255.f blue:242.f/255.f alpha:1.f];
}

+ (UIColor*) backgroundColorForContact:(NSString*)contactIdentifier {
    NSArray *colors = @[[UIColor colorWithRed:204.f/255.f green:148.f/255.f blue:102.f/255.f alpha:1.f],
                        [UIColor colorWithRed:187.f/255.f green:104.f/255.f blue:62.f/255.f alpha:1.f],
                        [UIColor colorWithRed:145.f/255.f green:78.f/255.f blue:48.f/255.f alpha:1.f],
                        [UIColor colorWithRed:122.f/255.f green:63.f/255.f blue:41.f/255.f alpha:1.f],
                        [UIColor colorWithRed:80.f/255.f green:46.f/255.f blue:27.f/255.f alpha:1.f],
                        [UIColor colorWithRed:57.f/255.f green:45.f/255.f blue:19.f/255.f alpha:1.f],
                        [UIColor colorWithRed:37.f/255.f green:38.f/255.f blue:13.f/255.f alpha:1.f],
                        [UIColor colorWithRed:23.f/255.f green:31.f/255.f blue:10.f/255.f alpha:1.f],
                        [UIColor colorWithRed:6.f/255.f green:19.f/255.f blue:10.f/255.f alpha:1.f],
                        [UIColor colorWithRed:13.f/255.f green:4.f/255.f blue:16.f/255.f alpha:1.f],
                        [UIColor colorWithRed:27.f/255.f green:12.f/255.f blue:44.f/255.f alpha:1.f],
                        [UIColor colorWithRed:18.f/255.f green:17.f/255.f blue:64.f/255.f alpha:1.f],
                        [UIColor colorWithRed:20.f/255.f green:42.f/255.f blue:77.f/255.f alpha:1.f],
                        [UIColor colorWithRed:18.f/255.f green:55.f/255.f blue:68.f/255.f alpha:1.f],
                        [UIColor colorWithRed:18.f/255.f green:68.f/255.f blue:61.f/255.f alpha:1.f],
                        [UIColor colorWithRed:19.f/255.f green:73.f/255.f blue:26.f/255.f alpha:1.f],
                        [UIColor colorWithRed:13.f/255.f green:48.f/255.f blue:15.f/255.f alpha:1.f],
                        [UIColor colorWithRed:44.f/255.f green:165.f/255.f blue:137.f/255.f alpha:1.f],
                        [UIColor colorWithRed:137.f/255.f green:181.f/255.f blue:48.f/255.f alpha:1.f],
                        [UIColor colorWithRed:208.f/255.f green:204.f/255.f blue:78.f/255.f alpha:1.f],
                        [UIColor colorWithRed:227.f/255.f green:162.f/255.f blue:150.f/255.f alpha:1.f]];
    NSData *contactData = [contactIdentifier dataUsingEncoding:NSUTF8StringEncoding];
    
    NSUInteger hashingLength = 8;
    unsigned long long choose;
    NSData *hashData = [Cryptography computeSHA256:contactData truncatedToBytes:hashingLength];
    [hashData getBytes:&choose length:hashingLength];
    return [colors objectAtIndex:(choose % [colors count])];
}


@end