/*

     File: SAMAsset.h

 Abstract: SimpleAssetManager asset class.

  Version: 1.0

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 redistribute this Apple software.

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 Neither the name, trademarks, service marks or logos of Apple Inc. may

 be used to endorse or promote products derived from the Apple Software

 without specific prior written permission from Apple.  Except as

 expressly stated in this notice, no other rights or licenses, express or

 implied, are granted by Apple herein, including but not limited to any

 patent rights that may be infringed by your derivative works or by other

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 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

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 */

#import <Foundation/Foundation.h>

#import "SAMObject.h"

#import <AVFoundation/AVFoundation.h>

// Simple Asset Manager metadata keys

const NSString*     kSAMMetadataKeyManagedAsset;

const NSString*     kSAMMetadataKeyPreparedAsset;

const NSString*     kSAMMetadataKeyExpirationDate;

@interface SAMAsset : SAMObject

+ (BOOL)isMediaExtension:(NSString*)extension;

+ (BOOL)isDescExtension:(NSString*)extension;

/* init and dealloc */

- (instancetype)init;

- (instancetype)init:(NSURL*)url;

- (instancetype)init:(NSString*)assetName at:(NSURL*)location media:(NSString*)mediaExt desc:(NSString*)descExt;

- (void)dealloc;

/* properties */

@property (nonatomic, readonly) NSURL* principalURL;

@property (nonatomic, readonly) NSURL* folderLocation;

@property (nonatomic, readwrite) NSString* mediaExtension;

@property (nonatomic, readwrite) NSString* descExtension;

@property (nonatomic, readonly) BOOL hasMedia;

@property (nonatomic, readonly) BOOL hasDescription;

@property (nonatomic, readonly) NSDictionary    *locationInfo;

    // a dictinoary that contains base name, folder location, media extension, and description extension

@property (nonatomic, readonly) NSURL           *mediaFile;

@property (nonatomic, readonly) NSURL           *descFile;

@property (nonatomic, readwrite) NSDictionary   *metadata;

@property (nonatomic, readwrite) NSDictionary   *dataOptions;

- (void)loadMedia;

- (void)loadDescription;

/* metadata and data options */

- (void)addMetadata:(id)value forKey:(const NSString*)key;

- (void)setDataOption:(id)option forKey:(NSString*)key;

- (id)dataOptionForKey:(NSString*)key;

/* conveinence properties */

@property (readonly) NSString* duration;

@property (readonly) CGSize frameSize;

@property (readonly) NSString* frameDuration;

@property (readonly) NSString* episodeID;

@property (readonly) NSNumber* episodeNumber;

@property (readonly) BOOL mediaLoaded;

@property (readonly) BOOL descriptionLoaded;

@property (readonly) BOOL hasRoles;

@end