//
//  DBPost.m
//  DiscussionBoard
//
//  Created by Jeremy Ellison on 1/7/11.
//  Copyright 2011 Two Toasters. All rights reserved.
//

#import <RestKit/Support/NSDictionary+RKAdditions.h>
#import "DBPost.h"

@implementation DBPost

@dynamic attachmentContentType;
@dynamic attachmentFileName;
@dynamic attachmentFileSize;
@dynamic attachmentPath;
@dynamic attachmentUpdatedAt;
@dynamic body;
@dynamic createdAt;
@dynamic topicID;
@dynamic updatedAt;
@dynamic userID;
@dynamic postID;
@dynamic username;
@dynamic user;
@dynamic topic;

@synthesize newAttachment = _newAttachment;

/**
 * The property mapping dictionary. This method declares how elements in the JSON
 * are mapped to properties on the object
 */
+ (NSDictionary*)elementToPropertyMappings {
	return [NSDictionary dictionaryWithKeysAndObjects:
			@"id",@"postID",
			@"topic_id",@"topicID",
			@"user_id",@"userID",
			@"created_at",@"createdAt",
			@"updated_at",@"updatedAt",
			@"attachment_content_type", @"attachmentContentType",
			@"attachment_file_name", @"attachmentFileName",
			@"attachment_file_size", @"attachmentFileSize",
			@"attachment_path", @"attachmentPath",
			@"attachment_updated_at", @"attachmentUpdatedAt",
			@"body", @"body",
			@"user_login", @"username",
			nil];
}

/**
 * Informs RestKit which property contains the primary key for identifying
 * this object. This is used to ensure that existing objects are updated during mapping
 */
+ (NSString*)primaryKeyProperty {
	return @"postID";
}

/**
 * Informs RestKit which properties contain the primary key values that
 * can be used to hydrate relationships to other objects. This hint enables
 * RestKit to automatically maintain true Core Data relationships between objects
 * in your local store.
 *
 * Here we have asked RestKit to connect the 'user' relationship by performing a
 * primary key lookup with the value in 'userID' property. This is the declarative
 * equivalent of doing self.user = [DBUser objectWithPrimaryKeyValue:self.userID];
 */
+ (NSDictionary*)relationshipToPrimaryKeyPropertyMappings {
	return [NSDictionary dictionaryWithKeysAndObjects:
			@"user", @"userID",
			@"topic", @"topicID",
			nil];
}

/**
 * Return a serializable representation of this object's properties. This
 * serialization will be encoded by the router into a request body and
 * sent to the remote service.
 *
 * A default implementation of paramsForSerialization is provided by the
 * RKObject/RKManagedObject base classes, but can be overloaded in the subclass
 * for customization. This is useful for including things like transient properties
 * in your payloads.
 */
- (NSObject<RKRequestSerializable>*)paramsForSerialization {
	// TODO: This is broken!
	// TODO: The Rails router does not respect paramsForSerialization. Need to fix that!
	RKParams* params = [RKParams params];
	[params setValue:self.body forParam:@"body"];
	NSLog(@"Self Body: %@", self.body);
	if (_newAttachment) {
		NSData* data = UIImagePNGRepresentation(_newAttachment);
		NSLog(@"Data Size: %d", [data length]);
		RKParamsAttachment* attachment = [params setData:data MIMEType:@"application/octet-stream" forParam:@"attachment"];
		attachment.fileName = @"image.png";
	}

	return params;
}

- (BOOL)isNewRecord {
	return [[self postID] intValue] == 0;
}

@end