//
//  P4SpecEntityDescriptionAdditions.m
//  P4ObjectLayer
//
//  Created by Michael Bishop on 9/8/10.
//  Copyright 2010 Numerical Garden, LLC. All rights reserved.
//

#import <Cocoa/Cocoa.h>
#import "P4SpecEntityDescriptionAdditions.h"

NSString * const kP4SpecManager = @"P4SpecManager";
NSString * const kP4IdentifierPropertyName = @"P4IdentifierPropertyName";
NSString * const kP4LastAcccessPropertyName = @"P4LastAcccessPropertyName";
NSString * const kP4InverseFetchedPropertyRelationships = @"P4InverseFetchedPropertyRelationships";
NSString * const kP4SpecKeyToMOKeyMapping = @"P4SpecKeyToMOKeyMapping";
NSString * const kNGAFetchedProperties = @"NGAFetchedProperties";
NSString * const kP4SpecTypeKey = @"P4SpecTypeKey";
NSString * const kP4SpecPropertyAliases = @"P4SpecPropertyAliases";
NSString * const kP4SpecSummaryProperties = @"P4SpecSummaryProperties";
NSString * const kP4SpecDescriptionKey = @"P4SpecDescription";
NSString * const kP4PropertyDescriptionSpecTag = @"specTag";

@implementation NSEntityDescription (P4SpecEntityDescriptionAdditions)

-(P4SpecManager*)manager
{
    return [[self userInfo] objectForKey:kP4SpecManager];
}

-(NSString*)identifierPropertyName
{
    return [[self userInfo] objectForKey:kP4IdentifierPropertyName];
}

-(NSString*)lastAccessedPropertyName
{
    return [[self userInfo] objectForKey:kP4LastAcccessPropertyName];
}

-(NSArray*)inverseFetchedProperties
{
    return [[self userInfo] objectForKey:kP4InverseFetchedPropertyRelationships];
}

-(void)setInverseFetchedProperties:(NSArray*)fetchedProperties
{
    NSMutableDictionary * mutableUserInfo = [[[self userInfo] mutableCopy] autorelease];
    [mutableUserInfo setObject:fetchedProperties forKey:kP4InverseFetchedPropertyRelationships];
    [self setUserInfo:mutableUserInfo];
}

-(NSDictionary*)specKeyToMOKeyMapping
{
    return [[self userInfo] objectForKey:kP4SpecKeyToMOKeyMapping];
}


-(NSDictionary*)fetchedPropertyDescriptions
{
    return [[self userInfo] objectForKey:kNGAFetchedProperties];
}

-(void)setFetchedPropertyDescriptions:(NSDictionary*)fetchedProperties
{
    NSMutableDictionary * mutableUserInfo = [[[self userInfo] mutableCopy] autorelease];
    [mutableUserInfo setObject:fetchedProperties forKey:kNGAFetchedProperties];
    [self setUserInfo:mutableUserInfo];
}

-(NSString*)type
{
    return [[self userInfo] objectForKey:kP4SpecTypeKey];
}

-(NSSet*)allMappedSpecKeys
{
    NSDictionary * mapping = [self specKeyToMOKeyMapping];
    return [NSSet setWithArray:[mapping allValues]];
}

-(NSDictionary*)summaryPropertyDescriptions
{
    return [[self userInfo] objectForKey:kP4SpecSummaryProperties];
}

-(NSString*)specTagForPropertyName:(NSString*)propertyName
{
    return [[[[self attributesByName] objectForKey:propertyName] userInfo] objectForKey:kP4PropertyDescriptionSpecTag]; 
}


-(P4SpecDescription*)specDescription
{
    return [[self userInfo] objectForKey:kP4SpecDescriptionKey];
}


@end