//
//  FlycutStore.h
//  Flycut
//
//  Flycut by Gennadiy Potapov and contributors. Based on Jumpcut by Steve Cook.
//  Copyright 2011 General Arcade. All rights reserved.
//
//  This code is open-source software subject to the MIT License; see the homepage
//  at <https://github.com/TermiT/Flycut> for details.
//


#import <Foundation/Foundation.h>
#import "FlycutClipping.h"

@protocol FlycutStoreDelegate <NSObject>
@optional
- (void)beginUpdates; // allow multiple insert/delete of rows and sections to be animated simultaneously. Nestable

- (void)endUpdates; // only call insert/delete/reload calls or change the editing state inside an update block.  otherwise things like row count, etc. may be invalid.

- (void)insertClippingAtIndex:(int)index;
- (void)deleteClippingAtIndex:(int)index;
- (void)reloadClippingAtIndex:(int)index;
- (void)moveClippingAtIndex:(int)index toIndex:(int)newIndex;
@end

@protocol FlycutStoreDeleteDelegate <NSObject>
@optional
- (void)willDeleteClippingFromStore:(id)store AtIndex:(int)index;
@end

@interface FlycutStore : NSObject {

    // Our various listener-related preferences
    int jcRememberNum;		// The max we will allow users to display; 20
    int jcDisplayNum;		// How many the user actually wants to display; defaults to 10
    int jcDisplayLen;		// How many characters to display in the menu; defaults to 37

	// Our status information
	bool modifiedSinceLastSaveStore;
	NSUInteger insertionJournalCountLastSave;
	NSUInteger deletionJournalCountLastSave;
    
    // hash -- key values to clippings
    // initially we will use PasteboardCount as the key value, but this will not be guaranteed
    // to be unique once we allow for saving. Instead, we should use seconds since day 0 or some such.
    // NSMutableDictionary * jcClippings;

    // array -- stores key values for the last jcRememberNum text pasteboard items
    NSMutableArray *jcList;
	NSMutableArray *insertionJournal;
	NSMutableArray *deletionJournal;
}

-(id) initRemembering:(int)nowRemembering
        displaying:(int)nowDisplaying
        withDisplayLength:(int)displayLength;

// Set various values
-(void) setRememberNum:(int)nowRemembering;
-(void) setDisplayNum:(int)nowDisplaying;
-(void) setDisplayLen:(int)newDisplayLength;
-(void) clearModifiedSinceLastSaveStore;
-(void) pruneJournals;
-(void) clearInsertionJournalCount:(NSUInteger)count;
-(void) clearDeletionJournalCount:(NSUInteger)count;

// Retrieve various values
-(int) rememberNum;
-(int) displayLen;
-(int) jcListCount;
-(bool) modifiedSinceLastSaveStore;
-(NSArray *) insertionJournal;
-(NSArray *) deletionJournal;
-(FlycutClipping *) clippingAtPosition:(int)index;
-(NSString *) clippingContentsAtPosition:(int)index;
-(NSString *) clippingDisplayStringAtPosition:(int)index;
-(NSString *) clippingTypeAtPosition:(int)index;
-(NSArray *) previousContents:(int)howMany;
-(NSArray *) previousDisplayStrings:(int)howMany;
-(NSArray *) previousDisplayStrings:(int)howMany containing:(NSString*)search;
-(NSArray *) previousIndexes:(int)howMany containing:(NSString*)search; // This method is in newest-first order.
-(int) indexOfClipping:(FlycutClipping*) clipping;
-(int) indexOfClipping:(NSString *)clipping ofType:(NSString *)type fromAppLocalizedName:(NSString *)appLocalizedName fromAppBundleURL:(NSString *)bundleURL atTimestamp:(int) timestamp;
-(bool) removeDuplicates;

// Add a clipping
-(bool) addClipping:(NSString *)clipping ofType:(NSString *)type fromAppLocalizedName:(NSString *)appLocalizedName fromAppBundleURL:(NSString *)bundleURL atTimestamp:(NSInteger) timestamp;
-(void) addClipping:(FlycutClipping*) clipping;
-(void) insertClipping:(FlycutClipping*) clipping atIndex:(int) index;

// Delete a clipping
-(void) clearItem:(int)index;

// Delete all list clippings
-(void) clearList;

// Merge all list clippings
-(void) mergeList;

// Move the clipping at index to the top
-(void) clippingMoveToTop:(int)index;
-(void) clippingMoveFrom:(int)index To:(int)toIndex;

/** optional delegate (not retained) */
@property (nonatomic, nullable, assign) id<FlycutStoreDelegate> delegate;

/** optional delegate (not retained) */
@property (nonatomic, nullable, assign) id<FlycutStoreDeleteDelegate> deleteDelegate;

// Delete all named clippings
@end