//
// Copyright (c) 2014 Mixpanel. All rights reserved.

#import "MPValueTransformers.h"

@implementation MPCGPointToNSDictionaryValueTransformer

+ (Class)transformedValueClass
{
    return [NSDictionary class];
}

+ (BOOL)allowsReverseTransformation
{
    return YES;
}

- (id)transformedValue:(id)value
{
    if ([value respondsToSelector:@selector(CGPointValue)]) {
        CGPoint point = [value CGPointValue];
        point.x = isnormal(point.x) ? point.x : 0.0f;
        point.y = isnormal(point.y) ? point.y : 0.0f;
        return CFBridgingRelease(CGPointCreateDictionaryRepresentation(point));
    }

    return nil;
}

- (id)reverseTransformedValue:(id)value
{
    CGPoint point = CGPointZero;
    if ([value isKindOfClass:[NSDictionary class]] && CGPointMakeWithDictionaryRepresentation((__bridge CFDictionaryRef)value, &point)) {
        return [NSValue valueWithCGPoint:point];
    }

    return [NSValue valueWithCGPoint:CGPointZero];
}

@end