#import "UIImage+TG.h"

#import <objc/runtime.h>

static const void *staticBackdropImageDataKey = "staticBackdropImageDataKey";
static const void *extendedInsetsKey = &extendedInsetsKey;
static const void *degradedKey = &degradedKey;
static const void *editedKey = &editedKey;
static const void *fromCloudKey = &fromCloudKey;

@implementation UIImage (TG)

- (NSDictionary *)attachmentsDictionary
{
    NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
    
    TGStaticBackdropImageData *staticBackdropImageData = [self staticBackdropImageData];
    if (staticBackdropImageData != nil)
        dict[[[NSString alloc] initWithCString:staticBackdropImageDataKey encoding:NSUTF8StringEncoding]] = staticBackdropImageData;
    
    return dict;
}

- (void)setAttachmentsFromDictionary:(NSDictionary *)attachmentsDictionary
{
    [self setStaticBackdropImageData:attachmentsDictionary[[[NSString alloc] initWithCString:staticBackdropImageDataKey encoding:NSUTF8StringEncoding]]];
}

- (TGStaticBackdropImageData *)staticBackdropImageData
{
    return objc_getAssociatedObject(self, staticBackdropImageDataKey);
}

- (void)setStaticBackdropImageData:(TGStaticBackdropImageData *)staticBackdropImageData
{
    objc_setAssociatedObject(self, staticBackdropImageDataKey, staticBackdropImageData, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (UIEdgeInsets)extendedEdgeInsets
{
    id value = objc_getAssociatedObject(self, extendedInsetsKey);
    if (value != nil)
        return [(NSValue *)value UIEdgeInsetsValue];
    return UIEdgeInsetsZero;
}

- (void)setExtendedEdgeInsets:(UIEdgeInsets)edgeInsets
{
    objc_setAssociatedObject(self, extendedInsetsKey, [NSValue valueWithUIEdgeInsets:edgeInsets], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (bool)degraded
{
    id value = objc_getAssociatedObject(self, degradedKey);
    if (value != nil)
        return [(NSNumber *)value boolValue];
    return false;
}

- (void)setDegraded:(bool)degraded
{
    objc_setAssociatedObject(self, degradedKey, @(degraded), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (bool)edited
{
    id value = objc_getAssociatedObject(self, editedKey);
    if (value != nil)
        return [(NSNumber *)value boolValue];
    return false;
}

- (void)setEdited:(bool)edited
{
    objc_setAssociatedObject(self, editedKey, @(edited), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (bool)fromCloud
{
    id value = objc_getAssociatedObject(self, fromCloudKey);
    if (value != nil)
        return [(NSNumber *)value boolValue];
    return false;
}

- (void)setFromCloud:(bool)fromCloud
{
    objc_setAssociatedObject(self, fromCloudKey, @(fromCloud), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

@end