//
//  <%= config[:class_prefix] %>AppDelegate+Frank.h
//  <%= config[:project_name] %>
//
//  Created by <%= config[:project_creator] %> on 06/02/2013.
//  Copyright (c) 2013 <%= config[:organization_name] %>. All rights reserved.
//

#import "<%= config[:class_prefix] %>AppDelegate+Frank.h"
#import <CoreData/CoreData.h>
#import <JSONKit/JSONKit.h>
#import <RestKit/RestKit.h>

@implementation <%= config[:class_prefix] %>AppDelegate (Frank)

- (void) seedCoreData:(NSString *)json
{
    NSDictionary *objectsDictionary = [json objectFromJSONString];

    NSManagedObjectContext *managedObjectContext = [RKObjectManager sharedManager].objectStore.managedObjectContextForCurrentThread;

    for (NSString *objectKey in objectsDictionary)
    {
        [self createObjectWithEntityName:objectKey configuredWithDictionary:[objectsDictionary objectForKey:objectKey] inManagedObjectContext:managedObjectContext];
    }

    NSError *error = nil;
    if (![managedObjectContext save:&error]) {
        NSLog(@"Error saving: %@", [error localizedDescription]);
    }
}

- (NSManagedObject *)createObjectWithEntityName:(NSString *)entityName configuredWithDictionary:(NSDictionary *)dictionary inManagedObjectContext:(NSManagedObjectContext *)context
{
    NSManagedObject *object = [NSEntityDescription insertNewObjectForEntityForName:entityName inManagedObjectContext:context];

    NSEntityDescription *objectEntityDescription = [object entity];

    NSDictionary *attributes = [objectEntityDescription attributesByName];
    NSDictionary *relationships = [objectEntityDescription relationshipsByName];

    for (NSString *key in [dictionary allKeys])
    {
        if ([[attributes allKeys] containsObject:key])
        {
            id value = [dictionary objectForKey:key];
            if (value != [NSNull null])
            {
                [object setValue:value forKey:key];
            }
        }
        else if ([[relationships allKeys] containsObject:key])
        {
            NSRelationshipDescription *relationshipDescription = [relationships objectForKey:key];

            NSString *destinationEntityName = [[relationshipDescription destinationEntity] name];

            if ([relationshipDescription isToMany])
            {
                NSMutableSet *relationshipSet = [NSMutableSet set];
                for (NSDictionary *toManyRelationshipObject in [dictionary objectForKey:key])
                {
                    NSManagedObject *destinationObject = [self createObjectWithEntityName:destinationEntityName
                                                                 configuredWithDictionary:toManyRelationshipObject
                                                                   inManagedObjectContext:context];

                    [relationshipSet addObject:destinationObject];
                }

                [object setValue:relationshipSet forKey:key];
            }
            else
            {
                NSManagedObject *destinationObject = [self createObjectWithEntityName:destinationEntityName
                                                             configuredWithDictionary:[dictionary objectForKey:key]
                                                               inManagedObjectContext:context];

                [object setValue:destinationObject forKey:key];
            }
        }
    }

    return object;
}

@end