/* This file provided by Facebook is for non-commercial testing and evaluation
 * purposes only.  Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#import "CommentsNode.h"
#import "TextStyles.h"

@interface CommentsNode ()
@property (nonatomic, strong) ASImageNode *iconNode;
@property (nonatomic, strong) ASTextNode *countNode;
@property (nonatomic, assign) NSInteger commentsCount;
@end

@implementation CommentsNode

- (instancetype)initWithCommentsCount:(NSInteger)comentsCount {
    
    self = [super init];
    if (self) {
        _commentsCount = comentsCount;
        
        _iconNode = [[ASImageNode alloc] init];
        _iconNode.image = [UIImage imageNamed:@"icon_comment.png"];
        [self addSubnode:_iconNode];
        
        _countNode = [[ASTextNode alloc] init];
        if (_commentsCount > 0) {
           _countNode.attributedString = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%zd", _commentsCount] attributes:[TextStyles cellControlStyle]];
        }
        [self addSubnode:_countNode];
        
        // make it tappable easily
        self.hitTestSlop = UIEdgeInsetsMake(-10, -10, -10, -10);
    }
    
    return self;
    
}

- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize {
    
    ASStackLayoutSpec *mainStack =  [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal spacing:6.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsCenter children:@[self.iconNode, self.countNode]];
    
    // set sizeRange to make width fixed to 60
    ASRelativeSize min = ASRelativeSizeMake(ASRelativeDimensionMakeWithPoints(60.0), ASRelativeDimensionMakeWithPoints(0.0));
    ASRelativeSize max = ASRelativeSizeMake(ASRelativeDimensionMakeWithPoints(60.0), ASRelativeDimensionMakeWithPoints(40.0));
    mainStack.sizeRange = ASRelativeSizeRangeMake(min,max);
    return [ASStaticLayoutSpec staticLayoutSpecWithChildren:@[mainStack]];
}


@end