#import "STXPost.h"

#import "STXUser.h"

#import "STXComment.h"

@interface STXPost () <NSCoding, NSCopying>

@property (copy, nonatomic) NSString *postID;

@property (copy, nonatomic) NSDate *postDate;

@property (copy, nonatomic) NSURL *imageURL;

@property (copy, nonatomic) NSURL *link;

@property (copy, nonatomic) NSDictionary *caption;

@property (copy, nonatomic) NSDictionary *userDictionary;

@property (copy, nonatomic) NSDictionary *likes;

@property (copy, nonatomic) NSArray *comments;

@property (copy, nonatomic) NSDictionary *commentsDictionary;

@property (nonatomic) BOOL liked;

@implementation STXPost

#pragma mark - NSCoding

- (void)encodeWithCoder:(NSCoder *)encoder

{

[encoder encodeObject:_postID forKey:@"postID"];

[encoder encodeObject:_postDate forKey:@"postDate"];

[encoder encodeObject:_imageURL forKey:@"imageURL"];

[encoder encodeObject:_link forKey:@"link"];

[encoder encodeObject:_caption forKey:@"caption"];

[encoder encodeObject:_userDictionary forKey:@"userDictionary"];

[encoder encodeObject:_likes forKey:@"likes"];

[encoder encodeObject:_comments forKey:@"comments"];

[encoder encodeObject:_commentsDictionary forKey:@"commentsDictionary"];

[encoder encodeBool:_liked forKey:@"liked"];

}

- (instancetype)initWithCoder:(NSCoder *)decoder

{

self = [super init];

if (self) {

_postID = [decoder decodeObjectForKey:@"postID"];

_postDate = [decoder decodeObjectForKey:@"postDate"];

_imageURL = [decoder decodeObjectForKey:@"imageURL"];

_link = [decoder decodeObjectForKey:@"link"];

_caption = [decoder decodeObjectForKey:@"caption"];

_userDictionary = [decoder decodeObjectForKey:@"userDictionary"];

_likes = [decoder decodeObjectForKey:@"likes"];

_comments = [decoder decodeObjectForKey:@"comments"];

_commentsDictionary = [decoder decodeObjectForKey:@"commentsDictionary"];

_liked = [decoder decodeBoolForKey:@"liked"];

}

return self;

}

- (instancetype)copyWithZone:(NSZone *)zone

{

STXPost *theCopy = [[STXPost allocWithZone:zone] init]; // use designated initializer

[theCopy setPostID:[_postID copy]];

[theCopy setPostDate:[_postDate copy]];

[theCopy setImageURL:[_imageURL copy]];

[theCopy setLink:[_link copy]];

[theCopy setCaption:[_caption copy]];

[theCopy setUserDictionary:[_userDictionary copy]];

[theCopy setLikes:[_likes copy]];

[theCopy setComments:[_comments copy]];

[theCopy setCommentsDictionary:[_commentsDictionary copy]];

[theCopy setLiked:_liked];

return theCopy;

}

- (instancetype)initWithDictionary:(NSDictionary *)dictionary

{

self = [super init];

if (self) {

NSArray *errors;

NSDictionary *mappingDictionary = @{ @"id": KZProperty(postID),

@"link": KZProperty(link),

@"caption": KZProperty(caption),

@"user": KZProperty(userDictionary),

@"user_has_liked": KZProperty(liked),

@"images": @{ @"standard_resolution": @{ @"url": KZBox(URL, imageURL) } },

@"likes": KZProperty(likes),

@"comments": KZProperty(commentsDictionary) };

[KZPropertyMapper mapValuesFrom:dictionary toInstance:self usingMapping:mappingDictionary errors:&errors];

}

return self;

}

#pragma mark - NSObject

- (NSUInteger)hash

{

return [_postID hash];

}

- (BOOL)isEqualToPost:(STXPost *)post

{

return [post.postID isEqualToString:_postID];

}

- (BOOL)isEqual:(id)object

{

if (self == object) {

return YES;

}

if (![object isKindOfClass:[STXPost class]]) {

return NO;

}

return [self isEqualToPost:(STXPost *)object];

}

- (NSString *)description

{

NSDictionary *dictionary = @{ @"postID": self.postID, @"postDate": self.postDate, @"sharedURL": self.sharedURL };

return [NSString stringWithFormat:@"<%@: %p> %@", NSStringFromClass([self class]), self, dictionary];

}

#pragma mark - STXPostItem

- (NSDate *)postDate

{

NSTimeInterval createdTime = [[self.caption stringValueForComplexKeyPath:@"created_time"] doubleValue];

return [NSDate dateWithTimeIntervalSince1970:createdTime];

}

- (NSString *)captionText

{

return [self.caption stringValueForComplexKeyPath:@"text"];

}

- (NSURL *)sharedURL

{

return self.link;

}

- (NSURL *)photoURL

{

return self.imageURL;

}

- (NSArray *)comments

{

if (_comments == nil) {

NSMutableArray *mutableComments = [NSMutableArray array];

NSArray *commentsArray = [[self.commentsDictionary valueForComplexKeyPath:@"data"] objectWithJSONSafeObjects];

for (NSDictionary *commentDictionary in commentsArray) {

STXComment *comment = [[STXComment alloc] initWithDictionary:commentDictionary];

[mutableComments addObject:comment];

}

_comments = [mutableComments copy];

}

return [_comments copy];

}

- (NSInteger)totalLikes

{

NSNumber *count = [self.likes valueForComplexKeyPath:@"count"];

return [count integerValue];

}

- (NSInteger)totalComments

{

NSNumber *count = [self.commentsDictionary valueForComplexKeyPath:@"count"];

return [count integerValue];

}

- (id<STXUserItem>)user

{

STXUser *user = [[STXUser alloc] initWithDictionary:self.userDictionary];

return user;

}