#import "RNPhotoEditor.h"

@implementation RNPhotoEditor

- (dispatch_queue_t)methodQueue
{
    return dispatch_get_main_queue();
}
RCT_EXPORT_MODULE()

NSString *_editImagePath = nil;
NSString *_currentLanguageId = nil;

RCTResponseSenderBlock _onDoneEditing = nil;
RCTResponseSenderBlock _onCancelEditing = nil;

- (void)imageEditor:(CLImageEditor*)editor didFinishEdittingWithImage:(UIImage*)image {
    if (_onDoneEditing == nil) return;
    
    NSError* error;
    
    BOOL isPNG = [_editImagePath.pathExtension.lowercaseString isEqualToString:@"png"];
    NSString* path = _editImagePath;
    NSString *fileName = [_editImagePath lastPathComponent];
    //    if ([path containsString:@"file://"]) {
    //        NSURL *url = [NSURL URLWithString:_editImagePath];
    //        path = url.path;
    //    }
    //
    NSURL *rnPhotoEditorFolferPath;
    if (@available(iOS 10, *)) {
        rnPhotoEditorFolferPath = [[[NSFileManager defaultManager] temporaryDirectory] URLByAppendingPathComponent:@"rnphotoeditor"];
    }
    else {
        rnPhotoEditorFolferPath = [NSURL fileURLWithPath:NSTemporaryDirectory()];
        rnPhotoEditorFolferPath = [rnPhotoEditorFolferPath URLByAppendingPathComponent:@"rnphotoeditor"];
    }
    
    BOOL isFolder;
    if(![[NSFileManager defaultManager] fileExistsAtPath:rnPhotoEditorFolferPath.path isDirectory:&isFolder]) {
        [[NSFileManager defaultManager] createDirectoryAtPath:rnPhotoEditorFolferPath.path withIntermediateDirectories:NO attributes:nil error:nil];
    }
    path = [[rnPhotoEditorFolferPath URLByAppendingPathComponent:fileName] path];
    
    
    [isPNG ? UIImagePNGRepresentation(image) : UIImageJPEGRepresentation(image, 0.8) writeToFile:path options:NSDataWritingAtomic error:&error];
    if (error != nil)
        NSLog(@"write error %@", error);
    [editor dismissViewControllerAnimated:YES completion:nil];
    _onDoneEditing(@[path]);
}

- (void)imageEditorDidCancel:(CLImageEditor*)editor {
    if (_onCancelEditing == nil) return;
    [editor dismissViewControllerAnimated:YES completion:nil];
    _onCancelEditing(@[_editImagePath]);
}


RCT_EXPORT_METHOD(Edit:(nonnull NSDictionary *)props onDone:(RCTResponseSenderBlock)onDone onCancel:(RCTResponseSenderBlock)onCancel) {
    
    dispatch_async(dispatch_get_main_queue(), ^{
        _editImagePath = [props objectForKey: @"path"];
        _currentLanguageId = [props objectForKey:@"language"];
        _onDoneEditing = onDone;
        _onCancelEditing = onCancel;
        
        //        PhotoEditorViewController *photoEditor = [[PhotoEditorViewController alloc] initWithNibName:@"PhotoEditorViewController" bundle: [NSBundle bundleForClass:[PhotoEditorViewController class]]];
        //
        // Process Image for Editing
        UIImage *image = [UIImage imageWithContentsOfFile:_editImagePath];
        if (image == nil) {
            NSURL *url = [NSURL URLWithString:_editImagePath];
            NSData *data = [NSData dataWithContentsOfURL:url];
            
            image = [UIImage imageWithData:data];
        }
        //
        //        photoEditor.image = image;
        //
        //        // Process Stickers
        //        NSArray *stickers = [props objectForKey: @"stickers"];
        //        NSMutableArray *imageStickers = [[NSMutableArray alloc] initWithCapacity:stickers.count];
        //
        //        for (NSString *sticker in stickers) {
        //            [imageStickers addObject: [UIImage imageNamed: sticker]];
        //        }
        //
        //        photoEditor.stickers = imageStickers;
        //
        //        //Process Controls
        //        NSArray *hiddenControls = [props objectForKey: @"hiddenControls"];
        //        NSMutableArray *passHiddenControls = [[NSMutableArray alloc] initWithCapacity:hiddenControls.count];
        //
        //        for (NSString *hiddenControl in hiddenControls) {
        //            [passHiddenControls addObject: [[NSString alloc] initWithString: hiddenControl]];
        //        }
        //
        //        photoEditor.hiddenControls = passHiddenControls;
        //
        //        //Process Colors
        //        NSArray *colors = [props objectForKey: @"colors"];
        //        NSMutableArray *passColors = [[NSMutableArray alloc] initWithCapacity:colors.count];
        //
        //        for (NSString *color in colors) {
        //            [passColors addObject: [self colorWithHexString: color]];
        //        }
        //
        //        photoEditor.colors = passColors;
        //
        //        // Invoke Editor
        //        photoEditor.photoEditorDelegate = self;
        
        CLImageEditor *photoEditor = [[CLImageEditor alloc] initWithImage:image delegate:NULL];
        photoEditor.delegate = self;
        
        // The default modal presenting is page sheet in ios 13, not full screen
        if (@available(iOS 13, *)) {
            [photoEditor setModalPresentationStyle: UIModalPresentationFullScreen];
        }
        
        id<UIApplicationDelegate> app = [[UIApplication sharedApplication] delegate];
        UINavigationController *rootViewController = ((UINavigationController*) app.window.rootViewController);
        
        if (rootViewController.presentedViewController) {
            [rootViewController.presentedViewController presentViewController:photoEditor animated:YES completion:nil];
            return;
        }
        
        [rootViewController presentViewController:photoEditor animated:YES completion:nil];
    });
}


//RCT_EXPORT_METHOD(Edit:(nonnull NSDictionary *)props onDone:(RCTResponseSenderBlock)onDone onCancel:(RCTResponseSenderBlock)onCancel) {
//
//    dispatch_async(dispatch_get_main_queue(), ^{
//        _editImagePath = [props objectForKey: @"path"];
//
//        _onDoneEditing = onDone;
//        _onCancelEditing = onCancel;
//
//        PhotoEditorViewController *photoEditor = [[PhotoEditorViewController alloc] initWithNibName:@"PhotoEditorViewController" bundle: [NSBundle bundleForClass:[PhotoEditorViewController class]]];
//
//        // Process Image for Editing
//        UIImage *image = [UIImage imageWithContentsOfFile:_editImagePath];
//        if (image == nil) {
//            NSURL *url = [NSURL URLWithString:_editImagePath];
//            NSData *data = [NSData dataWithContentsOfURL:url];
//
//            image = [UIImage imageWithData:data];
//        }
//
//        photoEditor.image = image;
//
//        // Process Stickers
//        NSArray *stickers = [props objectForKey: @"stickers"];
//        NSMutableArray *imageStickers = [[NSMutableArray alloc] initWithCapacity:stickers.count];
//
//        for (NSString *sticker in stickers) {
//            [imageStickers addObject: [UIImage imageNamed: sticker]];
//        }
//
//        photoEditor.stickers = imageStickers;
//
//        //Process Controls
//        NSArray *hiddenControls = [props objectForKey: @"hiddenControls"];
//        NSMutableArray *passHiddenControls = [[NSMutableArray alloc] initWithCapacity:hiddenControls.count];
//
//        for (NSString *hiddenControl in hiddenControls) {
//            [passHiddenControls addObject: [[NSString alloc] initWithString: hiddenControl]];
//        }
//
//        photoEditor.hiddenControls = passHiddenControls;
//
//        //Process Colors
//        NSArray *colors = [props objectForKey: @"colors"];
//        NSMutableArray *passColors = [[NSMutableArray alloc] initWithCapacity:colors.count];
//
//        for (NSString *color in colors) {
//            [passColors addObject: [self colorWithHexString: color]];
//        }
//
//        photoEditor.colors = passColors;
//
//        // Invoke Editor
//        photoEditor.photoEditorDelegate = self;
//
//    // The default modal presenting is page sheet in ios 13, not full screen
//    if (@available(iOS 13, *)) {
//            [photoEditor setModalPresentationStyle: UIModalPresentationFullScreen];
//        }
//
//        id<UIApplicationDelegate> app = [[UIApplication sharedApplication] delegate];
//        UINavigationController *rootViewController = ((UINavigationController*) app.window.rootViewController);
//
//        if (rootViewController.presentedViewController) {
//            [rootViewController.presentedViewController presentViewController:photoEditor animated:YES completion:nil];
//            return;
//        }
//
//        [rootViewController presentViewController:photoEditor animated:YES completion:nil];
//    });
//}


- (CGFloat) colorComponentFrom: (NSString *) string start: (NSUInteger) start length: (NSUInteger) length {
    NSString *substring = [string substringWithRange: NSMakeRange(start, length)];
    NSString *fullHex = length == 2 ? substring : [NSString stringWithFormat: @"%@%@", substring, substring];
    unsigned hexComponent;
    [[NSScanner scannerWithString: fullHex] scanHexInt: &hexComponent];
    return hexComponent / 255.0;
}

- (UIColor *) colorWithHexString: (NSString *) hexString {
    NSString *colorString = [[hexString stringByReplacingOccurrencesOfString: @"#" withString: @""] uppercaseString];
    CGFloat alpha, red, blue, green;
    switch ([colorString length]) {
        case 3: // #RGB
            alpha = 1.0f;
            red   = [self colorComponentFrom: colorString start: 0 length: 1];
            green = [self colorComponentFrom: colorString start: 1 length: 1];
            blue  = [self colorComponentFrom: colorString start: 2 length: 1];
            break;
        case 4: // #ARGB
            alpha = [self colorComponentFrom: colorString start: 0 length: 1];
            red   = [self colorComponentFrom: colorString start: 1 length: 1];
            green = [self colorComponentFrom: colorString start: 2 length: 1];
            blue  = [self colorComponentFrom: colorString start: 3 length: 1];
            break;
        case 6: // #RRGGBB
            alpha = 1.0f;
            red   = [self colorComponentFrom: colorString start: 0 length: 2];
            green = [self colorComponentFrom: colorString start: 2 length: 2];
            blue  = [self colorComponentFrom: colorString start: 4 length: 2];
            break;
        case 8: // #AARRGGBB
            alpha = [self colorComponentFrom: colorString start: 0 length: 2];
            red   = [self colorComponentFrom: colorString start: 2 length: 2];
            green = [self colorComponentFrom: colorString start: 4 length: 2];
            blue  = [self colorComponentFrom: colorString start: 6 length: 2];
            break;
        default:
            return nil;
    }
    return [UIColor colorWithRed: red green: green blue: blue alpha: alpha];
}


@end