/*

File: Recipe.m

Abstract: The "Recipe" entity (NSManagedObject subclass)

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*/

#import "Recipe.h"

#import "RecipeMedia.h"

#import "Ingredient.h"

#import "Cuisine.h"

#import "Chef.h"

@implementation Recipe 

/**

    Overridden initialize method, used to set up the list of dependent keys

    for notification.  Here we want to ensure the cuisinesArray value is updated

    every time the "cuisines" relationship changes.

*/

+ (void)initialize {

    if ( self == [Recipe class] ) {

        [self setKeys:[NSArray arrayWithObject:@"cuisines"] triggerChangeNotificationsForDependentKey:@"cuisineArray"];

    }

}

/**

    Creates a copy of this Recipe object in the specified context and store.  

    This is used to copy instances from one store to another (since we cannot 

    create cross-store relationships.)

*/

- (CRManagedObject *) copyToContext: (NSManagedObjectContext *)context andStore:(id)store {

    // insert a new Recipe first

    Recipe *newRecipe = [NSEntityDescription insertNewObjectForEntityForName:@"Recipe" inManagedObjectContext:context];

    if ( store ) {

        [context assignObject:newRecipe toPersistentStore:store];

    }

    // use API on the base class to copy the properties

    [newRecipe copyAttributesFromObject: self];

    // copy the ingredients, media, chef, and cuisine.  note that we want to always create

    // new ingredient and media copies, but will use existing chef and cuisines

    [newRecipe copyToOneRelationshipForKey: @"chef" fromObject:self useExisting:YES];

    [newRecipe copyToManyRelationshipForKey: @"cuisines" fromObject:self useExisting:YES];

    [newRecipe copyToManyRelationshipForKey: @"ingredients" fromObject:self useExisting:NO];

    [newRecipe copyToManyRelationshipForKey: @"recipeMedia" fromObject:self useExisting:NO];

    // return

    return newRecipe;

}

/**

    Returns the contents of the "cuisines" relationship in array format, rather

    than the Core Data standard set format.  This is a convenience accessor that

    is dependently bound to the "cuisines" relationship.

*/

- (NSArray *)cuisineArray {

    return [[self valueForKey:@"cuisines"] allObjects];    

}

/**

    Returns a comma separated string of the cuisine (names) for this recipe.

    This is a convenience accessor in order to display all of the cuisines for 

    a given recipe in a single view (cell).

*/

- (NSString *) cuisinesAsString {

    // Return a string of the cuisine names separated by commas

    NSArray *cuisines = [self cuisineArray];

    if ( cuisines && [cuisines count] > 0 ) {

        return [[cuisines valueForKey: @"name"] componentsJoinedByString: @", "];

    }

    // no cuisines -- return nothing

    return nil;

}

- (NSString *)chefFullName {

    return [[self chef] valueForKey:@"fullName"];

}

/**

    Returns the icon for the recipe.  In this case, the icon is hard-coded for

    all recipes, but some day it may be necessary to change this implementation

    to include a mutator so some recipes could have different icons.

*/

- (NSImage *)recipeIcon {

    return [NSImage imageNamed:@"image_recipe"];

}

/**

    Returns the display color for the Recipes" entity:  in this case, Recipes

    always use "green" as their display color.

*/

- (NSColor *)displayColor {

    NSColor *color = [NSColor greenColor];

    return color;

}

#pragma mark

#pragma mark Core Data accessors/mutators/validation methods

#pragma mark

- (short)cookingTime  {

    NSNumber *tmpValue;

    [self willAccessValueForKey: @"cookingTime"];

    tmpValue = [self primitiveValueForKey: @"cookingTime"];

    [self didAccessValueForKey: @"cookingTime"];

    return (tmpValue!=nil) ? [tmpValue shortValue] : 0;

}

- (void)setCookingTime:(short)value  {

    [self willChangeValueForKey: @"cookingTime"];

    [self setPrimitiveValue: [NSNumber numberWithShort: value]

                     forKey: @"cookingTime"];

    [self didChangeValueForKey: @"cookingTime"];

}

- (NSCalendarDate *)lastPreparationDate {

    NSCalendarDate * tmpValue;

    [self willAccessValueForKey: @"lastPreparationDate"];

    tmpValue = [self primitiveValueForKey: @"lastPreparationDate"];

    [self didAccessValueForKey: @"lastPreparationDate"];

    return tmpValue;

}

- (void)setLastPreparationDate:(NSCalendarDate *)value {

    [self willChangeValueForKey: @"lastPreparationDate"];

    [self setPrimitiveValue: value forKey: @"lastPreparationDate"];

    [self didChangeValueForKey: @"lastPreparationDate"];

}

- (NSString *)detailDescription {

    NSString * tmpValue;

    [self willAccessValueForKey: @"detailDescription"];

    tmpValue = [self primitiveValueForKey: @"detailDescription"];

    [self didAccessValueForKey: @"detailDescription"];

    return tmpValue;

}

- (void)setDetailDescription:(NSString *)value {

    [self willChangeValueForKey: @"detailDescription"];

    [self setPrimitiveValue: value forKey: @"detailDescription"];

    [self didChangeValueForKey: @"detailDescription"];

}

- (NSString *)name {

    NSString * tmpValue;

    [self willAccessValueForKey: @"name"];

    tmpValue = [self primitiveValueForKey: @"name"];

    [self didAccessValueForKey: @"name"];

    return tmpValue;

}

- (void)setName:(NSString *)value {

    [self willChangeValueForKey: @"name"];

    [self setPrimitiveValue: value forKey: @"name"];

    [self didChangeValueForKey: @"name"];

}

- (short)preparationTime {

    NSNumber *tmpValue;

    [self willAccessValueForKey: @"preparationTime"];

    tmpValue = [self primitiveValueForKey: @"preparationTime"];

    [self didAccessValueForKey: @"preparationTime"];

    return (tmpValue!=nil) ? [tmpValue shortValue] : 0;

}

- (void)setPreparationTime:(short)value {

    [self willChangeValueForKey: @"preparationTime"];

    [self setPrimitiveValue: [NSNumber numberWithShort: value]

                     forKey: @"preparationTime"];

    [self didChangeValueForKey: @"preparationTime"];

}

- (NSData *)directions {

    NSData * tmpValue;

    [self willAccessValueForKey: @"directions"];

    tmpValue = [self primitiveValueForKey: @"directions"];

    [self didAccessValueForKey: @"directions"];

    return tmpValue;

}

- (void)setDirections:(NSData *)value {

    [self willChangeValueForKey: @"directions"];

    [self setPrimitiveValue: value forKey: @"directions"];

    [self didChangeValueForKey: @"directions"];

}

- (short)numberOfServings {

    NSNumber *tmpValue;

    [self willAccessValueForKey: @"numberOfServings"];

    tmpValue = [self primitiveValueForKey: @"numberOfServings"];

    [self didAccessValueForKey: @"numberOfServings"];

    return (tmpValue!=nil) ? [tmpValue shortValue] : 0;

}

- (void)setNumberOfServings:(short)value {

    [self willChangeValueForKey: @"numberOfServings"];

    [self setPrimitiveValue: [NSNumber numberWithShort: value]

                     forKey: @"numberOfServings"];

    [self didChangeValueForKey: @"numberOfServings"];

}

- (void)addRecipeMediaObject:(RecipeMedia *)value {    

    NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];

    [self willChangeValueForKey:@"recipeMedia" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];

    [[self primitiveValueForKey: @"recipeMedia"] addObject: value];

    [self didChangeValueForKey:@"recipeMedia" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];

    [changedObjects release];

}

- (void)removeRecipeMediaObject:(RecipeMedia *)value {

    NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];

    [self willChangeValueForKey:@"recipeMedia" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];

    [[self primitiveValueForKey: @"recipeMedia"] removeObject: value];

    [self didChangeValueForKey:@"recipeMedia" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];

    [changedObjects release];

}

- (void)addIngredientsObject:(Ingredient *)value {    

    NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];

    [self willChangeValueForKey:@"ingredients" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];

    [[self primitiveValueForKey: @"ingredients"] addObject: value];

    [self didChangeValueForKey:@"ingredients" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];

    [changedObjects release];

}

- (void)removeIngredientsObject:(Ingredient *)value {

    NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];

    [self willChangeValueForKey:@"ingredients" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];

    [[self primitiveValueForKey: @"ingredients"] removeObject: value];

    [self didChangeValueForKey:@"ingredients" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];

    [changedObjects release];

}

- (void)addCuisinesObject:(Cuisine *)value {    

    NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];

    [self willChangeValueForKey:@"cuisines" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];

    [[self primitiveValueForKey: @"cuisines"] addObject: value];

    [self didChangeValueForKey:@"cuisines" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];

    [changedObjects release];

}

- (void)removeCuisinesObject:(Cuisine *)value {

    NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];

    [self willChangeValueForKey:@"cuisines" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];

    [[self primitiveValueForKey: @"cuisines"] removeObject: value];

    [self didChangeValueForKey:@"cuisines" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];

    [changedObjects release];

}

- (Chef *)chef {

    id tmpObject;

    [self willAccessValueForKey: @"chef"];

    tmpObject = [self primitiveValueForKey: @"chef"];

    [self didAccessValueForKey: @"chef"];

    return tmpObject;

}

- (void)setChef:(Chef *)value {

    [self willChangeValueForKey: @"chef"];

    [self setPrimitiveValue: value forKey: @"chef"];

    [self didChangeValueForKey: @"chef"];

}

@end