//
//  TZImageManager.h
//  TZImagePickerController
//
//  Created by 谭真 on 16/1/4.
//  Copyright © 2016年 谭真. All rights reserved.
//  图片资源获取管理类

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
#import <AVFoundation/AVFoundation.h>
#import <Photos/Photos.h>
#import "DCTZAssetModel.h"

@class DCTZAlbumModel,DCTZAssetModel;
@protocol DCTZImagePickerControllerDelegate;
@interface DCTZImageManager : NSObject

@property (nonatomic, strong) PHCachingImageManager *cachingImageManager;

+ (instancetype)manager NS_SWIFT_NAME(default());
+ (void)deallocManager;

@property (weak, nonatomic) id<DCTZImagePickerControllerDelegate> pickerDelegate;

@property (nonatomic, assign) BOOL shouldFixOrientation;

/// Default is 600px / 默认600像素宽
@property (nonatomic, assign) CGFloat photoPreviewMaxWidth;
/// The pixel width of output image, Default is 828px / 导出图片的宽度，默认828像素宽
@property (nonatomic, assign) CGFloat photoWidth;

/// Default is 4, Use in photos collectionView in TZPhotoPickerController
/// 默认4列, TZPhotoPickerController中的照片collectionView
@property (nonatomic, assign) NSInteger columnNumber;

/// Sort photos ascending by modificationDate，Default is YES
/// 对照片排序，按修改时间升序，默认是YES。如果设置为NO,最新的照片会显示在最前面，内部的拍照按钮会排在第一个
@property (nonatomic, assign) BOOL sortAscendingByModificationDate;

/// Minimum selectable photo width, Default is 0
/// 最小可选中的图片宽度，默认是0，小于这个宽度的图片不可选中
@property (nonatomic, assign) NSInteger minPhotoWidthSelectable;
@property (nonatomic, assign) NSInteger minPhotoHeightSelectable;
@property (nonatomic, assign) BOOL hideWhenCanNotSelect;

@property (nonatomic, assign) BOOL isSelectOriginalPhoto;


/// Return YES if Authorized 返回YES如果得到了授权
- (BOOL)authorizationStatusAuthorized;
+ (NSInteger)authorizationStatus;
- (void)requestAuthorizationWithCompletion:(void (^)(void))completion;

/// Get Album 获得相册/相册数组
- (void)getCameraRollAlbum:(BOOL)allowPickingVideo allowPickingImage:(BOOL)allowPickingImage needFetchAssets:(BOOL)needFetchAssets completion:(void (^)(DCTZAlbumModel *model))completion;
- (void)getAllAlbums:(BOOL)allowPickingVideo allowPickingImage:(BOOL)allowPickingImage needFetchAssets:(BOOL)needFetchAssets completion:(void (^)(NSArray<DCTZAlbumModel *> *models))completion;

/// Get Assets 获得Asset数组
- (void)getAssetsFromFetchResult:(id)result completion:(void (^)(NSArray<DCTZAssetModel *> *models))completion;
- (void)getAssetsFromFetchResult:(id)result allowPickingVideo:(BOOL)allowPickingVideo allowPickingImage:(BOOL)allowPickingImage completion:(void (^)(NSArray<DCTZAssetModel *> *models))completion;
- (void)getAssetFromFetchResult:(id)result atIndex:(NSInteger)index allowPickingVideo:(BOOL)allowPickingVideo allowPickingImage:(BOOL)allowPickingImage completion:(void (^)(DCTZAssetModel *model))completion;

/// Get photo 获得照片
- (void)getPostImageWithAlbumModel:(DCTZAlbumModel *)model completion:(void (^)(UIImage *postImage))completion;

- (int32_t)getPhotoWithAsset:(id)asset completion:(void (^)(UIImage *photo,NSDictionary *info,BOOL isDegraded))completion;
- (int32_t)getPhotoWithAsset:(id)asset photoWidth:(CGFloat)photoWidth completion:(void (^)(UIImage *photo,NSDictionary *info,BOOL isDegraded))completion;
- (int32_t)getPhotoWithAsset:(id)asset completion:(void (^)(UIImage *photo,NSDictionary *info,BOOL isDegraded))completion progressHandler:(void (^)(double progress, NSError *error, BOOL *stop, NSDictionary *info))progressHandler networkAccessAllowed:(BOOL)networkAccessAllowed;
- (int32_t)getPhotoWithAsset:(id)asset photoWidth:(CGFloat)photoWidth completion:(void (^)(UIImage *photo,NSDictionary *info,BOOL isDegraded))completion progressHandler:(void (^)(double progress, NSError *error, BOOL *stop, NSDictionary *info))progressHandler networkAccessAllowed:(BOOL)networkAccessAllowed;
- (int32_t)requestImageDataForAsset:(id)asset completion:(void (^)(NSData *imageData, NSString *dataUTI, UIImageOrientation orientation, NSDictionary *info))completion progressHandler:(void (^)(double progress, NSError *error, BOOL *stop, NSDictionary *info))progressHandler;

/// Get full Image 获取原图
/// 如下两个方法completion一般会调多次，一般会先返回缩略图，再返回原图(详见方法内部使用的系统API的说明)，如果info[PHImageResultIsDegradedKey] 为 YES，则表明当前返回的是缩略图，否则是原图。
- (void)getOriginalPhotoWithAsset:(id)asset completion:(void (^)(UIImage *photo,NSDictionary *info))completion;
- (void)getOriginalPhotoWithAsset:(id)asset newCompletion:(void (^)(UIImage *photo,NSDictionary *info,BOOL isDegraded))completion;
// 该方法中，completion只会走一次
- (void)getOriginalPhotoDataWithAsset:(id)asset completion:(void (^)(NSData *data,NSDictionary *info,BOOL isDegraded))completion;

/// Save photo 保存照片
- (void)savePhotoWithImage:(UIImage *)image completion:(void (^)(NSError *error))completion;
- (void)savePhotoWithImage:(UIImage *)image location:(CLLocation *)location completion:(void (^)(NSError *error))completion;

/// Save video 保存视频
- (void)saveVideoWithUrl:(NSURL *)url completion:(void (^)(NSError *error))completion;
- (void)saveVideoWithUrl:(NSURL *)url location:(CLLocation *)location completion:(void (^)(NSError *error))completion;

/// Get video 获得视频
- (void)getVideoWithAsset:(id)asset completion:(void (^)(AVPlayerItem * playerItem, NSDictionary * info))completion;
- (void)getVideoWithAsset:(id)asset progressHandler:(void (^)(double progress, NSError *error, BOOL *stop, NSDictionary *info))progressHandler completion:(void (^)(AVPlayerItem *, NSDictionary *))completion;

/// Export video 导出视频 presetName: 预设名字，默认值是AVAssetExportPreset640x480
- (void)getVideoOutputPathWithAsset:(id)asset success:(void (^)(NSString *outputPath))success failure:(void (^)(NSString *errorMessage, NSError *error))failure;
- (void)getVideoOutputPathWithAsset:(id)asset presetName:(NSString *)presetName success:(void (^)(NSString *outputPath))success failure:(void (^)(NSString *errorMessage, NSError *error))failure;
/// Deprecated, Use -getVideoOutputPathWithAsset:failure:success:
- (void)getVideoOutputPathWithAsset:(id)asset completion:(void (^)(NSString *outputPath))completion __attribute__((deprecated("Use -getVideoOutputPathWithAsset:failure:success:")));

/// Get photo bytes 获得一组照片的大小
- (void)getPhotosBytesWithArray:(NSArray *)photos completion:(void (^)(NSString *totalBytes))completion;

/// Judge is a assets array contain the asset 判断一个assets数组是否包含这个asset
- (BOOL)isAssetsArray:(NSArray *)assets containAsset:(id)asset;

- (NSString *)getAssetIdentifier:(id)asset;
- (BOOL)isCameraRollAlbum:(id)metadata;

/// 检查照片大小是否满足最小要求
- (BOOL)isPhotoSelectableWithAsset:(id)asset;
- (CGSize)photoSizeWithAsset:(id)asset;

/// 修正图片转向
- (UIImage *)fixOrientation:(UIImage *)aImage;

/// 获取asset的资源类型
- (DCTZAssetModelMediaType)getAssetType:(id)asset;
/// 缩放图片至新尺寸
- (UIImage *)scaleImage:(UIImage *)image toSize:(CGSize)size;

@end

//@interface TZSortDescriptor : NSSortDescriptor
//
//@end