//
//  RAPhotoItemModel.m
//  Apex And Drivers
//
//  Created by Jack on 2018/10/30.
//  Copyright © 2018年 USAI. All rights reserved.
//

#import "RAPhotoItemModel.h"
#import "UIImage+RedAnt.h"

@implementation RAPhotoItemModel
@synthesize photo = _photo;

#pragma mark - Setter

- (void)setUrl:(NSString *)url {
    _url = url;
    dispatch_async(dispatch_get_global_queue(0, 0), ^{
        UIImage *img = [UIImage ra_imageWithURL:[NSURL URLWithString:url]];
        dispatch_async(dispatch_get_main_queue(), ^{
            self.photo = img;
        });
    });
}

- (void)setPhoto:(UIImage *)photo {
    _photo = photo;
    if (_delegate && [_delegate respondsToSelector:@selector(refreshUI)]) {
        
        id<RAPhotoModelDelegate> dlgt = _delegate;
        dispatch_async(dispatch_get_main_queue(), ^{
            [dlgt refreshUI];
        });
    }
}

- (void)setDelegate:(id<RAPhotoModelDelegate>)delegate {
    if (_delegate && [_delegate respondsToSelector:@selector(unbind)]) {
        [_delegate unbind];
    }
    _delegate = delegate;
}

#pragma mark - Getter

- (UIImage *)photo {
    if (!_photo) {
        if (self.placeHolder) {
            return [UIImage imageNamed:self.placeHolder];
        } else {
            return nil;
        }
    }
    return _photo;
}

- (BOOL)isEmpty {
    return _photo == nil;
}

@end