//
//  PAGCacheManager.h
//  BUAdSDK
//
//  Created by 李盛 on 2018/9/19.
//  Copyright © 2018年 bytedance. All rights reserved.
//

#import <Foundation/Foundation.h>


extern NSString *PAGCacheConfigurationKey;
extern NSString *PAGCacheFinishedErrorKey;

@class PAGCacheConfiguration;
@interface PAGCacheManager : NSObject

+ (instancetype)shared;

// 设置缓存目录
+ (void)setCacheDirectory:(NSString *)cacheDirectory;

// 获取缓存目录
+ (NSString *)cacheDirectory:(NSString *)cachePath;

/// 获取视频本地缓存
/// @param url 服务端视频地址
+ (NSString *)cachedFilePathForURL:(NSURL *)url cachePath:(NSString *)cachePath;

/// 获取视频配置文件
/// @param url 服务端视频地址
+ (PAGCacheConfiguration *)cacheConfigurationForURL:(NSURL *)url cachePath:(NSString *)cachePath;

/// 删除本地超出缓存大小的缓存文件
/// 当该文件正在缓存、或正在被播放器占用时不会被删除
/// 内部使用异步线程删除，线程非阻塞
- (void)clearOverSizeCache:(NSString *)cachePath;

- (void)cacheResourceUseBegin:(NSURL *)url;

- (void)cacheResourceUseEnd:(NSURL *)url;

- (void)clearSpecifiedResource:(NSURL *)url cachePath:(NSString *)cachePath;

@end