//
//  SelectImageHandler.h
//  Starbuds
//
//  Created by 翟玉磊 on 2020/1/7.
//  Copyright © 2020 翟玉磊. All rights reserved.
//  此类只处理本地图片的选择和浏览 视频和gif图片没有添加处理方法

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@protocol SelectImageHandlerDelegate <NSObject>

@optional
/// 选择回调
- (void)didFinishPickingPhotos:(NSArray<UIImage *>*)photos sourceAssets:(NSArray *)assets isSelectOriginalPhoto:(BOOL)isSelectOriginalPhoto;

/// 预览回调
- (void)previewImageDidFinishPhotos:(NSArray<UIImage *>*)photos sourceAssets:(NSArray *)assets isSelectOriginalPhoto:(BOOL)isSelectOriginalPhoto;

@end

@interface SelectImageHandler : NSObject

@property (nonatomic, readwrite, weak) id<SelectImageHandlerDelegate>delegate;

/// 父控制器
@property (nonatomic, readwrite, strong) UIViewController *parentController;

/// Default is 9 / 默认最大可选9张图片
@property (nonatomic, readwrite, assign) NSInteger maxImagesCount;

#pragma mark — ------单选模式------
/// 单选模式,maxImagesCount为1时才生效
@property (nonatomic, assign) BOOL showSelectBtn;        ///< 在单选模式下，照片列表页中，显示选择按钮,默认为NO
@property (nonatomic, assign) BOOL allowCrop;            ///< 允许裁剪,默认为YES，showSelectBtn为NO才生效
/// 是否圆形裁剪 默认NO不进行圆形裁剪  只有allowCropSwitch为YES时才有效
@property (nonatomic, readwrite, assign) BOOL needCircleCrop;
/// 是否正方形裁剪
@property (nonatomic, assign) BOOL allowSquareCrop;   
/// 是否横图裁剪
@property (nonatomic, assign) BOOL allowHorizontalCrop;

#pragma mark — ------单选模式------

/// 显示图片选择控制器
/// @param maxCount 能选择的最大数量
/// @param parentController 父控制器且支持代理
- (void)showImagePickerControllerWithMaxCount:(NSInteger)maxCount parentController:(UIViewController*)parentController;

/// 预览图片
/// @param selectedPhotos 选中的图片数组
/// @param selectedAssets 选中图片数组的相册数据
/// @param index 选中的索引
/// @param parentController 父控制器
- (void)previewImagePickerWithSelectedPhotos:(NSArray *)selectedPhotos selectedAssets:(NSArray *)selectedAssets index:(NSInteger)index parentController:(UIViewController*)parentController;
@end

NS_ASSUME_NONNULL_END