//
//  SDLTextAndGraphicUpdateOperation.m
//  SmartDeviceLink
//
//  Created by Joel Fischer on 8/13/20.
//  Copyright © 2020 smartdevicelink. All rights reserved.
//

#import "SDLTextAndGraphicUpdateOperation.h"

#import "SDLArtwork.h"
#import "SDLConnectionManagerType.h"
#import "SDLError.h"
#import "SDLFileManager.h"
#import "SDLGlobals.h"
#import "SDLImage.h"
#import "SDLLogMacros.h"
#import "SDLMetadataTags.h"
#import "SDLSetDisplayLayout.h"
#import "SDLShow.h"
#import "SDLTemplateConfiguration.h"
#import "SDLTextAndGraphicState.h"
#import "SDLVersion.h"
#import "SDLWindowCapability.h"
#import "SDLWindowCapability+ScreenManagerExtensions.h"

NS_ASSUME_NONNULL_BEGIN

@interface SDLTextAndGraphicUpdateOperation ()

@property (weak, nonatomic) id<SDLConnectionManagerType> connectionManager;
@property (weak, nonatomic) SDLFileManager *fileManager;
@property (strong, nonatomic) SDLWindowCapability *currentCapabilities;
@property (strong, nonatomic) SDLTextAndGraphicState *updatedState;

@property (copy, nonatomic, nullable) CurrentDataUpdatedHandler currentDataUpdatedHandler;
@property (copy, nonatomic, nullable) SDLTextAndGraphicUpdateCompletionHandler updateCompletionHandler;

@property (copy, nonatomic, nullable) NSError *internalError;

@end

@implementation SDLTextAndGraphicUpdateOperation

- (instancetype)initWithConnectionManager:(id<SDLConnectionManagerType>)connectionManager fileManager:(SDLFileManager *)fileManager currentCapabilities:(SDLWindowCapability *)currentCapabilities currentScreenData:(SDLTextAndGraphicState *)currentData newState:(SDLTextAndGraphicState *)newState currentScreenDataUpdatedHandler:(CurrentDataUpdatedHandler)currentDataUpdatedHandler updateCompletionHandler:(nullable SDLTextAndGraphicUpdateCompletionHandler)updateCompletionHandler {
    self = [self init];
    if (!self) { return nil; }

    _connectionManager = connectionManager;
    _fileManager = fileManager;
    _currentCapabilities = currentCapabilities;
    _currentScreenData = currentData;
    _updatedState = newState;
    _currentDataUpdatedHandler = currentDataUpdatedHandler;
    _updateCompletionHandler = updateCompletionHandler;

    return self;
}

- (void)start {
    [super start];
    if (self.cancelled) {
        // Make sure the update handler is called
        [self finishOperation];
        return;
    }

    // Build a show with everything from `self.newState`, we'll pull things out later if we can.
    SDLShow *fullShow = [[SDLShow alloc] init];
    fullShow.alignment = self.updatedState.alignment;
    fullShow = [self sdl_assembleShowText:fullShow];
    fullShow = [self sdl_assembleShowImages:fullShow];
    fullShow = [self sdl_assembleLayout:fullShow];

    __weak typeof(self) weakSelf = self;
    if ([self sdl_showSupportsTemplateConfiguration]) {
        // Everything (template, text, and images) can be updated using a single Show request
        [self sdl_updateGraphicsAndShow:fullShow];
    } else if (self.sdl_shouldUpdateTemplateConfig) {
        // The template must first be updated using SetDisplayLayout request. Then a Show request is sent. 
        [self sdl_sendSetDisplayLayoutWithTemplateConfiguration:self.updatedState.templateConfig completionHandler:^(NSError * _Nullable error) {
            __strong typeof(weakSelf) strongSelf = weakSelf;
            if (strongSelf.isCancelled) {
                [strongSelf finishOperation];
                return;
            } else if (error != nil) {
                strongSelf.internalError = error;
                [strongSelf finishOperation];
                return;
            }

            [strongSelf sdl_updateGraphicsAndShow:fullShow];
        }];
    } else {
        // The template does not need to be updated. Just send the show.
        [self sdl_updateGraphicsAndShow:fullShow];
    }
}

- (void)updateStateDataWithErrorData:(SDLTextAndGraphicState *)errorData {
    self.updatedState.textField1 = errorData.textField1 == self.updatedState.textField1 ? self.currentScreenData.textField1 : self.updatedState.textField1;
    self.updatedState.textField2 = errorData.textField2 == self.updatedState.textField2 ? self.currentScreenData.textField2 : self.updatedState.textField2;
    self.updatedState.textField3 = errorData.textField3 == self.updatedState.textField3 ? self.currentScreenData.textField3 : self.updatedState.textField3;
    self.updatedState.textField4 = errorData.textField4 == self.updatedState.textField4 ? self.currentScreenData.textField4 : self.updatedState.textField4;
    self.updatedState.mediaTrackTextField = errorData.mediaTrackTextField == self.updatedState.mediaTrackTextField ? self.currentScreenData.mediaTrackTextField : self.updatedState.mediaTrackTextField;
    self.updatedState.title = errorData.title == self.updatedState.title ? self.currentScreenData.title : self.updatedState.title;
    self.updatedState.primaryGraphic = errorData.primaryGraphic == self.updatedState.primaryGraphic ? self.currentScreenData.primaryGraphic : self.updatedState.primaryGraphic;
    self.updatedState.secondaryGraphic = errorData.secondaryGraphic == self.updatedState.secondaryGraphic ? self.currentScreenData.secondaryGraphic : self.updatedState.secondaryGraphic;
    self.updatedState.alignment = errorData.alignment == self.updatedState.alignment ? self.currentScreenData.alignment : self.updatedState.alignment;
    self.updatedState.textField1Type = errorData.textField1Type == self.updatedState.textField1Type ? self.currentScreenData.textField1Type : self.updatedState.textField1Type;
    self.updatedState.textField2Type = errorData.textField2Type == self.updatedState.textField2Type ? self.currentScreenData.textField2Type : self.updatedState.textField2Type;
    self.updatedState.textField3Type = errorData.textField3Type == self.updatedState.textField3Type ? self.currentScreenData.textField3Type : self.updatedState.textField3Type;
    self.updatedState.textField4Type = errorData.textField4Type == self.updatedState.textField4Type ? self.currentScreenData.textField4Type : self.updatedState.textField4Type;
    self.updatedState.templateConfig = errorData.templateConfig == self.updatedState.templateConfig ? self.currentScreenData.templateConfig : self.updatedState.templateConfig;
}

#pragma mark - Send Show / Set Display Layout

- (void)sdl_updateGraphicsAndShow:(SDLShow *)show {
    __weak typeof(self) weakSelf = self;
    if (!([self sdl_shouldUpdatePrimaryImage] || [self sdl_shouldUpdateSecondaryImage])) {
        SDLLogV(@"No images to send, sending text");
        // If there are no images to update, just send the text
        [self sdl_sendShow:[self sdl_extractTextAndLayoutFromShow:show] withHandler:^(NSError * _Nullable error) {
            __strong typeof(weakSelf) strongSelf = weakSelf;
            if (error != nil) {
                strongSelf.internalError = error;
            }
            [strongSelf finishOperation];
        }];
    } else if (![self.fileManager fileNeedsUpload:self.updatedState.primaryGraphic] && ![self.fileManager fileNeedsUpload:self.updatedState.secondaryGraphic]) {
        SDLLogV(@"Images already uploaded, sending full update");
        // The files to be updated are already uploaded, send the full show immediately
        [self sdl_sendShow:show withHandler:^(NSError * _Nullable error) {
            __strong typeof(weakSelf) strongSelf = weakSelf;
            if (error != nil) {
                strongSelf.internalError = error;
            }
            [strongSelf finishOperation];
        }];
    } else {
        SDLLogV(@"Images need to be uploaded, sending text and uploading images");

        // Send the text immediately
        [self sdl_sendShow:[self sdl_extractTextAndLayoutFromShow:show] withHandler:^(NSError * _Nullable error) {
            __strong typeof(weakSelf) strongSelf = weakSelf;
            if (self.cancelled) {
                [strongSelf finishOperation];
                return;
            } else if (error != nil) {
                // The show to change the text / layout failed, so fail the operation
                self.internalError = error;
                [strongSelf finishOperation];
                return;
            }

            [strongSelf sdl_uploadImagesAndSendWhenDone:^(NSError * _Nullable error) {
                __strong typeof(weakSelf) strongSelf = weakSelf;
                if (error != nil) {
                    strongSelf.internalError = error;
                }
                [strongSelf finishOperation];
            }];
        }];
    }
}

- (void)sdl_sendShow:(SDLShow *)show withHandler:(void (^)(NSError *_Nullable error))handler {
    __weak typeof(self)weakSelf = self;
    [self.connectionManager sendConnectionRequest:show withResponseHandler:^(__kindof SDLRPCRequest * _Nullable request, __kindof SDLRPCResponse * _Nullable response, NSError * _Nullable error) {
        __strong typeof(weakSelf) strongSelf = weakSelf;
        SDLLogV(@"Text and Graphic Show completed. Request: %@, response: %@", request, response);

        if (response.success.boolValue) {
            SDLLogD(@"Text and Graphic Show completed successfully");
            [strongSelf sdl_updateCurrentScreenDataFromShow:request];
        } else {
            SDLLogD(@"Text and Graphic Show failed");
            self.currentDataUpdatedHandler(nil, error, self.updatedState);
        }

        handler(error);
    }];
}

- (void)sdl_sendSetDisplayLayoutWithTemplateConfiguration:(SDLTemplateConfiguration *)configuration completionHandler:(void (^)(NSError *_Nullable error))handler {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
    SDLSetDisplayLayout *setLayout = [[SDLSetDisplayLayout alloc] initWithLayout:configuration.template dayColorScheme:configuration.dayColorScheme nightColorScheme:configuration.nightColorScheme];
#pragma clang diagnostic pop

    __weak typeof(self)weakSelf = self;
    [self.connectionManager sendConnectionRequest:setLayout withResponseHandler:^(__kindof SDLRPCRequest * _Nullable request, __kindof SDLRPCResponse * _Nullable response, NSError * _Nullable error) {
        __strong typeof(weakSelf) strongSelf = weakSelf;
        SDLLogV(@"Text and Graphic SetDisplayLayout completed. Request: %@, response: %@", request, response);

        if (response.success.boolValue) {
            SDLLogD(@"Text and Graphic SetDisplayLayout succeeded. New layout: %@", setLayout.displayLayout);
            [strongSelf sdl_updateCurrentScreenDataFromSetDisplayLayout:request];
        } else {
            SDLLogD(@"Text and Graphic SetDisplayLayout failed to change to new layout: %@", setLayout.displayLayout);
            self.currentDataUpdatedHandler(nil, error, nil);
        }

        handler(error);
    }];
}

#pragma mark - Uploading Images

- (void)sdl_uploadImagesAndSendWhenDone:(void (^)(NSError *_Nullable error))handler {
    __weak typeof(self)weakSelf = self;
    [self sdl_uploadImagesWithCompletionHandler:^(NSError *_Nullable error) {
        __strong typeof(weakSelf) strongSelf = weakSelf;

        SDLShow *showWithGraphics = [self sdl_createImageOnlyShowWithPrimaryArtwork:self.updatedState.primaryGraphic secondaryArtwork:self.updatedState.secondaryGraphic];
        if (showWithGraphics != nil) {
            SDLLogD(@"Sending update with the successfully uploaded images");
            [strongSelf sdl_sendShow:showWithGraphics withHandler:^(NSError * _Nullable error) {
                return handler(error);
            }];
        } else {
            SDLLogW(@"All images failed to upload. No graphics to show, skipping update.");
            return handler(error);
        }
    }];
}

- (void)sdl_uploadImagesWithCompletionHandler:(void (^)(NSError *_Nullable error))handler {
    NSMutableArray<SDLArtwork *> *artworksToUpload = [NSMutableArray array];
    if ([self sdl_shouldUpdatePrimaryImage] && !self.updatedState.primaryGraphic.isStaticIcon) {
        [artworksToUpload addObject:self.updatedState.primaryGraphic];
    }
    if ([self sdl_shouldUpdateSecondaryImage] && !self.updatedState.secondaryGraphic.isStaticIcon) {
        [artworksToUpload addObject:self.updatedState.secondaryGraphic];
    }

    if (artworksToUpload.count == 0) {
        SDLLogD(@"No artworks need an upload, sending them without upload instead");
        return handler(nil);
    }

    __weak typeof(self) weakSelf = self;
    [self.fileManager uploadArtworks:artworksToUpload progressHandler:^BOOL(NSString * _Nonnull artworkName, float uploadPercentage, NSError * _Nullable error) {
        __strong typeof(weakSelf) strongSelf = weakSelf;
        if (strongSelf.isCancelled) {
            [strongSelf finishOperation];
            return NO;
        }

        return YES;
    } completionHandler:^(NSArray<NSString *> * _Nonnull artworkNames, NSError * _Nullable error) {
        if (error != nil) {
            SDLLogW(@"Text and graphic manager artwork failed to upload with error: %@", error.localizedDescription);
        }

        handler(error);
    }];
}


#pragma mark - Assembly of Shows

#pragma mark Images

- (SDLShow *)sdl_assembleShowImages:(SDLShow *)show {
    if (![self sdl_shouldUpdatePrimaryImage] && ![self sdl_shouldUpdateSecondaryImage]) {
        return show;
    }

    if ([self sdl_shouldUpdatePrimaryImage]) {
        show.graphic = self.updatedState.primaryGraphic.imageRPC;
    }
    if ([self sdl_shouldUpdateSecondaryImage]) {
        show.secondaryGraphic = self.updatedState.secondaryGraphic.imageRPC;
    }

    return show;
}

- (nullable SDLShow *)sdl_createImageOnlyShowWithPrimaryArtwork:(nullable SDLArtwork *)primaryArtwork secondaryArtwork:(nullable SDLArtwork *)secondaryArtwork  {
    SDLShow *newShow = [[SDLShow alloc] init];
    newShow.graphic = [self sdl_shouldRPCIncludeImage:primaryArtwork] ? primaryArtwork.imageRPC : nil;
    newShow.secondaryGraphic = [self sdl_shouldRPCIncludeImage:secondaryArtwork] ? secondaryArtwork.imageRPC : nil;

    if (newShow.graphic == nil && newShow.secondaryGraphic == nil) {
        SDLLogV(@"No graphics to upload");
        return nil;
    }

    return newShow;
}

#pragma mark Text

- (SDLShow *)sdl_assembleShowText:(SDLShow *)show {
    [self sdl_setBlankTextFieldsWithShow:show];

    if (self.updatedState.mediaTrackTextField != nil && [self sdl_shouldUpdateMediaTextField]) {
        show.mediaTrack = self.updatedState.mediaTrackTextField;
    }

    if (self.updatedState.title != nil && [self sdl_shouldUpdateTitleField]) {
        show.templateTitle = self.updatedState.title;
    }

    NSArray *nonNilFields = [self sdl_findNonNilTextFields];
    if (nonNilFields.count == 0) { return show; }

    // If the template is updating, we don't yet know it's capabilities. Just assume the template supports the max number of textfields. 
    NSUInteger numberOfLines = ![self sdl_shouldUpdateTemplateConfig] ? self.currentCapabilities.maxNumberOfMainFieldLines : 4;
    if (numberOfLines == 1) {
        show = [self sdl_assembleOneLineShowText:show withShowFields:nonNilFields];
    } else if (numberOfLines == 2) {
        show = [self sdl_assembleTwoLineShowText:show];
    } else if (numberOfLines == 3) {
        show = [self sdl_assembleThreeLineShowText:show];
    } else if (numberOfLines == 4) {
        show = [self sdl_assembleFourLineShowText:show];
    }

    return show;
}

- (SDLShow *)sdl_assembleOneLineShowText:(SDLShow *)show withShowFields:(NSArray<NSString *> *)fields {
    NSMutableString *showString1 = [NSMutableString stringWithString:fields[0]];
    for (NSUInteger i = 1; i < fields.count; i++) {
        [showString1 appendFormat:@" - %@", fields[i]];
    }
    show.mainField1 = showString1.copy;

    NSMutableArray<SDLMetadataType> *metadataArray = [NSMutableArray array];
    self.updatedState.textField1Type ? [metadataArray addObject:self.updatedState.textField1Type] : nil;
    self.updatedState.textField2Type ? [metadataArray addObject:self.updatedState.textField2Type] : nil;
    self.updatedState.textField3Type ? [metadataArray addObject:self.updatedState.textField3Type] : nil;
    self.updatedState.textField4Type ? [metadataArray addObject:self.updatedState.textField4Type] : nil;
    show.metadataTags.mainField1 = [metadataArray copy];

    return show;
}

- (SDLShow *)sdl_assembleTwoLineShowText:(SDLShow *)show {
    NSMutableString *tempString = [NSMutableString string];
    if (self.updatedState.textField1.length > 0) {
        // If text 1 exists, put it in slot 1
        [tempString appendString:self.updatedState.textField1];
        show.metadataTags.mainField1 = self.updatedState.textField1Type.length > 0 ? @[self.updatedState.textField1Type] : @[];
    }

    if (self.updatedState.textField2.length > 0) {
        if (!(self.updatedState.textField3.length > 0 || self.updatedState.textField4.length > 0)) {
            // If text 3 & 4 do not exist, put it in slot 2
            show.mainField2 = self.updatedState.textField2;
            show.metadataTags.mainField2 = self.updatedState.textField2Type.length > 0 ? @[self.updatedState.textField2Type] : @[];
        } else if (self.updatedState.textField1.length > 0) {
            // If text 1 exists, put it in slot 1 formatted
            [tempString appendFormat:@" - %@", self.updatedState.textField2];
            show.metadataTags.mainField1 = self.updatedState.textField2Type.length > 0 ? [show.metadataTags.mainField1 arrayByAddingObjectsFromArray:@[self.updatedState.textField2Type]] : show.metadataTags.mainField1;
        } else {
            // If text 1 does not exist, put it in slot 1 unformatted
            [tempString appendString:self.updatedState.textField2];
            show.metadataTags.mainField1 = self.updatedState.textField2Type.length > 0 ? @[self.updatedState.textField2Type] : @[];
        }
    }

    show.mainField1 = [tempString copy];

    tempString = [NSMutableString string];
    if (self.updatedState.textField3.length > 0) {
        // If text 3 exists, put it in slot 2
        [tempString appendString:self.updatedState.textField3];
        show.metadataTags.mainField2 = self.updatedState.textField3Type.length > 0 ? @[self.updatedState.textField3Type] : @[];
    }

    if (self.updatedState.textField4.length > 0) {
        if (self.updatedState.textField3.length > 0) {
            // If text 3 exists, put it in slot 2 formatted
            [tempString appendFormat:@" - %@", self.updatedState.textField4];
            show.metadataTags.mainField2 = self.updatedState.textField4Type.length > 0 ? [show.metadataTags.mainField2 arrayByAddingObjectsFromArray:@[self.updatedState.textField4Type]] : show.metadataTags.mainField2;
        } else {
            // If text 3 does not exist, put it in slot 3 unformatted
            [tempString appendString:self.updatedState.textField4];
            show.metadataTags.mainField2 = self.updatedState.textField4Type.length > 0 ? @[self.updatedState.textField4Type] : @[];
        }
    }

    if (tempString.length > 0) {
        show.mainField2 = [tempString copy];
    }

    return show;
}

- (SDLShow *)sdl_assembleThreeLineShowText:(SDLShow *)show {
    if (self.updatedState.textField1.length > 0) {
        show.mainField1 = self.updatedState.textField1;
        show.metadataTags.mainField1 = self.updatedState.textField1Type.length > 0 ? @[self.updatedState.textField1Type] : @[];
    }

    if (self.updatedState.textField2.length > 0) {
        show.mainField2 = self.updatedState.textField2;
        show.metadataTags.mainField2 = self.updatedState.textField2Type.length > 0 ? @[self.updatedState.textField2Type] : @[];
    }

    NSMutableString *tempString = [NSMutableString string];
    if (self.updatedState.textField3.length > 0) {
        [tempString appendString:self.updatedState.textField3];
        show.metadataTags.mainField3 = self.updatedState.textField3Type.length > 0 ? @[self.updatedState.textField3Type] : @[];
    }

    if (self.updatedState.textField4.length > 0) {
        if (self.updatedState.textField3.length > 0) {
            // If text 3 exists, put it in slot 3 formatted
            [tempString appendFormat:@" - %@", self.updatedState.textField4];
            show.metadataTags.mainField3 = self.updatedState.textField4Type.length > 0 ? [show.metadataTags.mainField3 arrayByAddingObjectsFromArray:@[self.updatedState.textField4Type]] : show.metadataTags.mainField3;
        } else {
            // If text 3 does not exist, put it in slot 3 formatted
            [tempString appendString:self.updatedState.textField4];
            show.metadataTags.mainField3 = self.updatedState.textField4Type.length > 0 ? @[self.updatedState.textField4Type] : @[];
        }
    }

    show.mainField3 = [tempString copy];

    return show;
}

- (SDLShow *)sdl_assembleFourLineShowText:(SDLShow *)show {
    if (self.updatedState.textField1.length > 0) {
        show.mainField1 = self.updatedState.textField1;
        show.metadataTags.mainField1 = self.updatedState.textField1Type.length > 0 ? @[self.updatedState.textField1Type] : @[];
    }

    if (self.updatedState.textField2.length > 0) {
        show.mainField2 = self.updatedState.textField2;
        show.metadataTags.mainField2 = self.updatedState.textField2Type.length > 0 ? @[self.updatedState.textField2Type] : @[];
    }

    if (self.updatedState.textField3.length > 0) {
        show.mainField3 = self.updatedState.textField3;
        show.metadataTags.mainField3 = self.updatedState.textField3Type.length > 0 ? @[self.updatedState.textField3Type] : @[];
    }

    if (self.updatedState.textField4.length > 0) {
        show.mainField4 = self.updatedState.textField4;
        show.metadataTags.mainField4 = self.updatedState.textField4Type.length > 0 ? @[self.updatedState.textField4Type] : @[];
    }

    return show;
}

- (SDLShow *)sdl_setBlankTextFieldsWithShow:(SDLShow *)show {
    show.mainField1 = @"";
    show.mainField2 = @"";
    show.mainField3 = @"";
    show.mainField4 = @"";
    show.mediaTrack = @"";
    show.templateTitle = @"";
    show.metadataTags = [[SDLMetadataTags alloc] init];

    return show;
}

#pragma mark Layout

- (SDLShow *)sdl_assembleLayout:(SDLShow *)show {
    if (![self sdl_showSupportsTemplateConfiguration] || !self.sdl_shouldUpdateTemplateConfig) { return show; }

    show.templateConfiguration = self.updatedState.templateConfig;
    return show;
}

#pragma mark - Extraction

- (SDLShow *)sdl_extractTextAndLayoutFromShow:(SDLShow *)show {
    SDLShow *newShow = [[SDLShow alloc] init];
    newShow.mainField1 = show.mainField1;
    newShow.mainField2 = show.mainField2;
    newShow.mainField3 = show.mainField3;
    newShow.mainField4 = show.mainField4;
    newShow.mediaTrack = show.mediaTrack;
    newShow.templateTitle = show.templateTitle;
    newShow.metadataTags = show.metadataTags;
    newShow.alignment = show.alignment;

    if ([self sdl_showSupportsTemplateConfiguration]) {
        newShow.templateConfiguration = show.templateConfiguration;
    }

    return newShow;
}

#pragma mark - Update Current Screen Data

- (void)sdl_updateCurrentScreenDataFromShow:(SDLShow *)show {
    // If the items are nil, they were not updated, so we can't just set it directly
    self.currentScreenData.mediaTrackTextField = show.mediaTrack ? self.updatedState.mediaTrackTextField : self.currentScreenData.mediaTrackTextField;
    self.currentScreenData.title = show.templateTitle ? self.updatedState.title : self.currentScreenData.title;
    self.currentScreenData.alignment = show.alignment ? self.updatedState.alignment : self.currentScreenData.alignment;
    self.currentScreenData.primaryGraphic = show.graphic ? self.updatedState.primaryGraphic : self.currentScreenData.primaryGraphic;
    self.currentScreenData.secondaryGraphic = show.secondaryGraphic ? self.updatedState.secondaryGraphic : self.currentScreenData.secondaryGraphic;

    // This is intentionally checking `mainField1` because the fields may be in different places based on the capabilities, then check it's own field in case that's the only field thats being used.
    self.currentScreenData.textField1 = show.mainField1 ? self.updatedState.textField1 : self.currentScreenData.textField1;
    self.currentScreenData.textField2 = (show.mainField1 || show.mainField2) ? self.updatedState.textField2 : self.currentScreenData.textField2;
    self.currentScreenData.textField3 = (show.mainField1 || show.mainField3) ? self.updatedState.textField3 : self.currentScreenData.textField3;
    self.currentScreenData.textField4 = (show.mainField1 || show.mainField4) ? self.updatedState.textField4 : self.currentScreenData.textField4;

    // This is intentionally checking show.metadataTags.mainField1 because the tags may be in different places based on the capabilities, then check its own field in case that's the only field that's being used.
    self.currentScreenData.textField1Type = show.metadataTags.mainField1 ? self.updatedState.textField1Type : self.currentScreenData.textField1Type;
    self.currentScreenData.textField2Type = (show.metadataTags.mainField1 || show.metadataTags.mainField2) ? self.updatedState.textField2Type : self.currentScreenData.textField2Type;
    self.currentScreenData.textField3Type = (show.metadataTags.mainField1 || show.metadataTags.mainField3) ? self.updatedState.textField3Type : self.currentScreenData.textField3Type;
    self.currentScreenData.textField4Type = (show.metadataTags.mainField1 || show.metadataTags.mainField4) ? self.updatedState.textField4Type : self.currentScreenData.textField4Type;

    self.currentScreenData.templateConfig = show.templateConfiguration ? self.updatedState.templateConfig : self.currentScreenData.templateConfig;

    if (self.currentDataUpdatedHandler != nil) {
        self.currentDataUpdatedHandler(self.currentScreenData, nil, nil);
    }
}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
- (void)sdl_updateCurrentScreenDataFromSetDisplayLayout:(SDLSetDisplayLayout *)setDisplayLayout {
#pragma clang diagnostic pop
    self.currentScreenData.templateConfig = [[SDLTemplateConfiguration alloc] initWithTemplate:setDisplayLayout.displayLayout dayColorScheme:setDisplayLayout.dayColorScheme nightColorScheme:setDisplayLayout.nightColorScheme];

    if (self.currentDataUpdatedHandler != nil) {
        self.currentDataUpdatedHandler(self.currentScreenData, nil, nil);
    }
}

#pragma mark - Should Update

- (BOOL)sdl_shouldRPCIncludeImage:(nullable SDLArtwork *)artwork {
    if (artwork == nil) { return NO; }

    return (artwork.isStaticIcon || [self.fileManager hasUploadedFile:artwork]);
}

- (BOOL)sdl_shouldUpdatePrimaryImage {
    // If the template is updating, we don't yet know it's capabilities. Just assume the template supports the primary image. 
    BOOL templateSupportsPrimaryArtwork = [self.currentCapabilities hasImageFieldOfName:SDLImageFieldNameGraphic] || [self sdl_shouldUpdateTemplateConfig];
    BOOL graphicNameMatchesExisting = [self.currentScreenData.primaryGraphic.name isEqualToString:self.updatedState.primaryGraphic.name];
    BOOL shouldOverwriteGraphic = self.updatedState.primaryGraphic.overwrite;
    BOOL graphicExists = (self.updatedState.primaryGraphic != nil);

    return (templateSupportsPrimaryArtwork && (shouldOverwriteGraphic || !graphicNameMatchesExisting) && graphicExists);
}

- (BOOL)sdl_shouldUpdateSecondaryImage {
    // If the template is updating, we don't yet know it's capabilities. Just assume the template supports the secondary image. 
    BOOL templateSupportsSecondaryArtwork = [self.currentCapabilities hasImageFieldOfName:SDLImageFieldNameSecondaryGraphic] || [self sdl_shouldUpdateTemplateConfig];
    BOOL graphicNameMatchesExisting = [self.currentScreenData.secondaryGraphic.name isEqualToString:self.updatedState.secondaryGraphic.name];
    BOOL shouldOverwriteGraphic = self.updatedState.secondaryGraphic != nil && self.updatedState.secondaryGraphic.overwrite;
    BOOL graphicExists = (self.updatedState.secondaryGraphic != nil);

    // Cannot detect if there is a secondary image below v5.0, so we'll just try to detect if the primary image is allowed and allow the secondary image if it is.
    if ([[SDLGlobals sharedGlobals].rpcVersion isGreaterThanOrEqualToVersion:[SDLVersion versionWithMajor:5 minor:0 patch:0]]) {
        return (templateSupportsSecondaryArtwork && (shouldOverwriteGraphic || !graphicNameMatchesExisting) && graphicExists);
    } else {
        return ([self.currentCapabilities hasImageFieldOfName:SDLImageFieldNameGraphic] && (shouldOverwriteGraphic || !graphicNameMatchesExisting) && graphicExists);
    }
}

- (BOOL)sdl_shouldUpdateMediaTextField {
    // If the template is updating, we don't yet know it's capabilities. Just assume the template supports the media text field. 
    return [self.currentCapabilities hasTextFieldOfName:SDLTextFieldNameMediaTrack] || [self sdl_shouldUpdateTemplateConfig];
}

- (BOOL)sdl_shouldUpdateTitleField {
    // If the template is updating, we don't yet know it's capabilities. Just assume the template supports the template title. 
    return [self.currentCapabilities hasTextFieldOfName:SDLTextFieldNameTemplateTitle] || [self sdl_shouldUpdateTemplateConfig];
}

- (BOOL)sdl_shouldUpdateTemplateConfig {
    return (_updatedState.templateConfig != nil) && ![_updatedState.templateConfig isEqual:_currentScreenData.templateConfig];
}

- (NSArray<NSString *> *)sdl_findNonNilTextFields {
    NSMutableArray *array = [NSMutableArray array];
    (self.updatedState.textField1.length > 0) ? [array addObject:self.updatedState.textField1] : nil;
    (self.updatedState.textField2.length > 0) ? [array addObject:self.updatedState.textField2] : nil;
    (self.updatedState.textField3.length > 0) ? [array addObject:self.updatedState.textField3] : nil;
    (self.updatedState.textField4.length > 0) ? [array addObject:self.updatedState.textField4] : nil;

    return [array copy];
}

#pragma mark - Version Check

- (BOOL)sdl_showSupportsTemplateConfiguration {
    return [[SDLGlobals sharedGlobals].rpcVersion isGreaterThanOrEqualToVersion:[SDLVersion versionWithMajor:6 minor:0 patch:0]];
}

#pragma mark - Operation Overrides

- (void)finishOperation {
    SDLLogV(@"Finishing text and graphic update operation");
    if (self.isCancelled) {
        self.internalError = [NSError sdl_textAndGraphicManager_pendingUpdateSuperseded];
    }

    if (self.updateCompletionHandler != nil) {
        self.updateCompletionHandler(self.error);
    }
    [super finishOperation];
}

- (nullable NSString *)name {
    return @"com.sdl.textandgraphic.update";
}

- (NSOperationQueuePriority)queuePriority {
    return NSOperationQueuePriorityNormal;
}

- (nullable NSError *)error {
    return self.internalError;
}

@end

NS_ASSUME_NONNULL_END