//
//  KMGOCRManager.h
//  
//
//
//
//

#import <Foundation/Foundation.h>

typedef NS_ENUM(NSUInteger, KMOCRType) {
    KMOCRType_Google,
    KMOCRType_Apple
};

extern NSString * KMGOCRLanguageCodeKey;
extern NSString * KMGOCRLanguageStringKey;

@interface KMGOCRResult : NSObject

@property (nonatomic,retain) NSString *text;
@property (nonatomic,retain) NSString *locale;
@property (nonatomic,assign) CGRect    textBounds;

@end

@class KMGOCRManager;
@protocol KMGOCRManagerDelegate <NSObject>
@optional
- (void)GOCRManagerDidStartOCR:(KMGOCRManager *)manager;
- (void)GOCRManagerDidFinishOCR:(KMGOCRManager *)manager;

- (void)GOCRManager:(KMGOCRManager *)manager didCancelOCRImageAtIndex:(NSInteger)index;

- (void)GOCRManager:(KMGOCRManager *)manager didStartOCRImageAtIndex:(NSInteger)index;
- (void)GOCRManager:(KMGOCRManager *)manager didFinishOCRImageAtIndex:(NSInteger)index results:(NSArray<KMGOCRResult *> *)results;
- (void)CHOCRManager:(KMGOCRManager *)manager didFinishOCRImageAtIndex:(NSInteger)index results:(NSArray *)results;//17方案
- (void)GOCRManager:(KMGOCRManager *)manager didFailureOCRImageAtIndex:(NSInteger)index error:(NSError *)error;

@end

@interface KMGOCRManager : NSObject

@property (nonatomic,assign) id<KMGOCRManagerDelegate> delegate;

@property (nonatomic,readonly) NSMutableArray *images;

@property (nonatomic,assign) KMOCRType OCRType;

@property (nonatomic,retain) NSMutableArray *selectedLanguages;

/* isGOCR : GOCR=NO/OCR=YES */
@property (nonatomic,assign) BOOL isOCR;

+ (KMGOCRManager *)defaultManager;

+ (NSArray *)languages;

- (void)createPDFFile:(NSString *)filePath imagePaths:(NSArray *)paths results:(NSArray *)resultsArray scale:(CGFloat)scale;

- (void)recognitionImages:(NSArray *)images withLanguages:(NSArray *)languages;
//- (void)recognitionImages:(NSArray *)images withLanguages:(NSArray *)languages fileType:(NSString * _Nullable)fileType filePath:(NSURL *)filePath;
/**
   Google OCR 设置参数进行转档.
   @param images 需要转档的NSImage 数组对象
   @param languages 设置的识别s语言
   @param fileType 设置转档的文件格式，可为空
   @param filePath 设置保存文件的路径，可为空
*/
- (void)recognitionImages:(NSArray *)images withLanguages:(NSArray *)languages fileType:(NSString * _Nullable)fileType filePath:(NSURL * _Nullable)filePath;

- (void)cancelRecognition;

@end


@interface KMOCROperationQueue : NSOperationQueue

+ (instancetype)sharedInstance;

- (void)addOCROperation:(NSOperation *)op;

#pragma mark - cancel

- (void)cancelAll;

@end