package gui

// imageGui.go implements an image editor and pages to view images

import "fyne.io/fyne/v2"
import "fyne.io/fyne/v2/widget"
import "fyne.io/fyne/v2/theme"
import "fyne.io/fyne/v2/container"
import "fyne.io/fyne/v2/canvas"
import "fyne.io/fyne/v2/layout"

import "seekia/internal/imagery"
import "seekia/internal/helpers"
import "seekia/internal/imageEffects"

import "image"
import "errors"


func setViewFullpageImagePage(window fyne.Window, inputImage image.Image, previousPage func()){

	title := getPageTitleCentered("Viewing Image")

	backButton := getBackButtonCentered(previousPage)

	header := container.NewVBox(title, backButton, widget.NewSeparator())

	//TODO: Add a right-click to save ability
	// This is useful so users/moderators can perform reverse-image searching to detect fake profiles

	fyneImage := canvas.NewImageFromImage(inputImage)
	fyneImage.FillMode = canvas.ImageFillContain

	page := container.NewBorder(header, nil, nil, nil, fyneImage)

	setPageContent(page, window)
}

func setViewFullpageImagesWithNavigationPage(window fyne.Window, inputImagesList []image.Image, imageIndex int, previousPage func()){

	title := getPageTitleCentered("Viewing Image")

	backButton := getBackButtonCentered(previousPage)

	header := container.NewVBox(title, backButton, widget.NewSeparator())

	numberOfImages := len(inputImagesList)

	if (numberOfImages == 0){
		setErrorEncounteredPage(window, errors.New("setViewFullpageImagesWithNavigationPage called with empty images list"), previousPage)
		return
	}

	finalIndex := numberOfImages - 1

	getCurrentImageIndex := func()int{

		if (imageIndex > finalIndex){
			return finalIndex
		}
		if (imageIndex < 0){
			return 0
		}

		return imageIndex
	}

	currentIndex := getCurrentImageIndex()

	//TODO: Add a right-click to save ability
	// This is useful so users/moderators can perform reverse-image searching to detect fake profiles

	currentImage := inputImagesList[currentIndex]
	currentFyneImage := canvas.NewImageFromImage(currentImage)
	currentFyneImage.FillMode = canvas.ImageFillContain

	if (numberOfImages == 1){

		page := container.NewBorder(header, nil, nil, nil, currentFyneImage)

		setPageContent(page, window)
		return
	}

	getPreviousImageButton := func()fyne.Widget{

		if (currentIndex == 0){
			emptyButton := widget.NewButton("", nil)
			return emptyButton
		}

		previousButton := widget.NewButtonWithIcon("", theme.NavigateBackIcon(), func(){
				setViewFullpageImagesWithNavigationPage(window, inputImagesList, currentIndex-1, previousPage)
			})

		return previousButton
	}

	previousImageButton := getPreviousImageButton()

	getNextImageButton := func()fyne.Widget{

		if (currentIndex == finalIndex){
			emptyButton := widget.NewButton("", nil)
			return emptyButton
		}

		nextButton := widget.NewButtonWithIcon("", theme.NavigateNextIcon(), func(){
				setViewFullpageImagesWithNavigationPage(window, inputImagesList, currentIndex+1, previousPage)
			})

		return nextButton
	}

	nextImageButton := getNextImageButton()

	navigationButtonsRow := getContainerCentered(container.NewGridWithRows(1, previousImageButton, nextImageButton))

	page := container.NewBorder(header, navigationButtonsRow, nil, nil, currentFyneImage)

	setPageContent(page, window)
}

func setSlowlyRevealImagePage(window fyne.Window, inputImage image.Image, percentageRevealedInt int, previousPage func()){

	currentPage := func(){setSlowlyRevealImagePage(window, inputImage, percentageRevealedInt, previousPage)}

	backButton := getBackButtonCentered(previousPage)

	if (percentageRevealedInt >= 100){

		title := getPageTitleCentered("Viewing Image")

		header := container.NewVBox(title, backButton, widget.NewSeparator())

		fyneImageObject := canvas.NewImageFromImage(inputImage)
		fyneImageObject.FillMode = canvas.ImageFillContain

		page := container.NewBorder(header, nil, nil, nil, fyneImageObject)

		setPageContent(page, window)
		return
	}

	title := getPageTitleCentered("Reveal Image")

	description := widget.NewLabel("Slowly reveal the image.")
	revealSettingsButton := widget.NewButtonWithIcon("", theme.QuestionIcon(), func(){
			setManagePixelateImagesSettingPage(window, currentPage)
		})

	descriptionRow := container.NewHBox(layout.NewSpacer(), description, revealSettingsButton, layout.NewSpacer())

	invert0to100 := func(input0to100 int)int{

		if (input0to100 < 0) {
			return 100
		}

		inverted := 100 - input0to100
		return inverted
	}

	currentAmountToPixelate := invert0to100(percentageRevealedInt)
	
	currentPixelatedImage, err := imagery.PixelateGolangImage(inputImage, currentAmountToPixelate)
	if (err != nil) {
		setErrorEncounteredPage(window, err, previousPage)
		return
	}

	imageSize := getCustomFyneSize(100)

	imageObject := canvas.NewImageFromImage(currentPixelatedImage)
	imageObject.FillMode = canvas.ImageFillContain
	imageObject.SetMinSize(imageSize)

	imageCentered := getFyneImageCentered(imageObject)	

	percentageRevealedString := helpers.ConvertIntToString(percentageRevealedInt)

	percentageRevealedLabel := getBoldLabelCentered(percentageRevealedString + "% revealed")

	buttonsGrid := container.NewGridWithColumns(1)	

	if (percentageRevealedInt <= 90){

		reveal10PercentButton := widget.NewButton("Reveal 10%", func(){
				amountToPixelate := invert0to100(percentageRevealedInt + 10)
				newImage, err := imagery.PixelateGolangImage(inputImage, amountToPixelate)
				if (err != nil) {
					setErrorEncounteredPage(window, err, currentPage)
					return
				}

				imageObject.Image = newImage
				imageObject.Refresh()

				setSlowlyRevealImagePage(window, inputImage, percentageRevealedInt + 10, previousPage)
			})
		
		buttonsGrid.Add(reveal10PercentButton)
	}

	if (percentageRevealedInt <= 99){

		reveal1PercentButton := widget.NewButton("Reveal 1%", func(){

				amountToPixelate := invert0to100(percentageRevealedInt + 1)
				newImage, err := imagery.PixelateGolangImage(inputImage, amountToPixelate)
				if (err != nil) {
					setErrorEncounteredPage(window, err, currentPage)
					return
				}
				imageObject.Image = newImage
				imageObject.Refresh()

				setSlowlyRevealImagePage(window, inputImage, percentageRevealedInt + 1, previousPage)
			})

		buttonsGrid.Add(reveal1PercentButton)
	}

	if (percentageRevealedInt < 100){
		revealButton := widget.NewButtonWithIcon("Reveal", theme.VisibilityIcon(), func(){
				setSlowlyRevealImagePage(window, inputImage, 100, previousPage)
			})

		buttonsGrid.Add(revealButton)
	}

	buttonsGridCentered := getContainerCentered(buttonsGrid)

	page := container.NewVBox(title, backButton, widget.NewSeparator(), descriptionRow, widget.NewSeparator(), imageCentered, percentageRevealedLabel, buttonsGridCentered)
	
	setPageContent(page, window)
}


// This function provides an image editor to perform image effects
// PreviousState is a function to return to the image as it was before the current filter/effect was added
func setEditImagePage(window fyne.Window, originalImage image.Image, previousStateExists bool, previousState func(), currentImage image.Image, previousPage func(), setSubmitImagePageFunction func(image.Image, func())){

	if (originalImage == nil || currentImage == nil){
		setErrorEncounteredPage(window, errors.New("setEditImagePage called with nil image(s)."), previousPage)
		return
	}

	currentPage := func(){setEditImagePage(window, originalImage, previousStateExists, previousState, currentImage, previousPage, setSubmitImagePageFunction)}

	title := getPageTitleCentered("Apply Image Effects")

	backButton := getBackButtonCentered(previousPage)

	page := container.NewVBox(title, backButton, widget.NewSeparator())

	if (previousStateExists == true){

		revertChangesButton := widget.NewButtonWithIcon("Revert All Changes", theme.ContentClearIcon(), func(){
				//TODO: Add Are you sure dialog.
				setEditImagePage(window, originalImage, false, nil, originalImage, previousPage, setSubmitImagePageFunction)
			})

		undoChangesButton := widget.NewButtonWithIcon("Undo", theme.ContentUndoIcon(), func(){
				previousState()
			})

		undoRevertButtonsRow := getContainerCentered(container.NewGridWithRows(1, revertChangesButton, undoChangesButton))
		page.Add(undoRevertButtonsRow)
		page.Add(widget.NewSeparator())
	}

	currentImageFyne := canvas.NewImageFromImage(currentImage)
	currentImageFyne.FillMode = canvas.ImageFillContain
	currentImageFyne.SetMinSize(getCustomFyneSize(70))

	currentImageCentered := container.NewHBox(layout.NewSpacer(), currentImageFyne, layout.NewSpacer())

	viewFullpageButton := getWidgetCentered(widget.NewButtonWithIcon("", theme.ZoomInIcon(), func(){
			setViewFullpageImagePage(window, currentImage, currentPage)
		}))

	page.Add(currentImageCentered)
	page.Add(viewFullpageButton)
	page.Add(widget.NewSeparator())

	submitButton := getWidgetCentered(widget.NewButtonWithIcon("Submit Image", theme.NavigateNextIcon(), func(){
			setSubmitImagePageFunction(currentImage, currentPage)
		}))
	page.Add(submitButton)
	page.Add(widget.NewSeparator())

	effectsLabel := getBoldLabelCentered("Effects:")
	page.Add(effectsLabel)

	overlayEmojiFunction := func(){
		nextPageFunction := func(newImage image.Image){
			setEditImagePage(window, originalImage, true, currentPage, newImage, previousPage, setSubmitImagePageFunction)
		}
		setApplyImageEffectPage_OverlayEmoji(window, currentImage, currentImage, false, nil, 50, 50, 50, currentPage, nextPageFunction)
	}

	cartoonEffectFunction := func(){
		nextPageFunction := func(newImage image.Image){
			setEditImagePage(window, originalImage, true, currentPage, newImage, previousPage, setSubmitImagePageFunction)
		}
		cartoonEffectFunction := imageEffects.ApplyCartoonEffect		

		setApplyAnyImageEffectPage(window, "Cartoon", 10, cartoonEffectFunction, currentImage, false, nil, currentPage, nextPageFunction)
	}

	pencilEffectFunction := func(){
		nextPageFunction := func(newImage image.Image){
			setEditImagePage(window, originalImage, true, currentPage, newImage, previousPage, setSubmitImagePageFunction)
		}

		pencilEffectFunction := imageEffects.ApplyPencilEffect

		setApplyAnyImageEffectPage(window, "Pencil", 10, pencilEffectFunction, currentImage, false, nil, currentPage, nextPageFunction)
	}

	oilPaintingEffectFunction := func(){
		nextPageFunction := func(newImage image.Image){
			setEditImagePage(window, originalImage, true, currentPage, newImage, previousPage, setSubmitImagePageFunction)
		}

		oilPaintingEffectFunction := imageEffects.ApplyOilPaintingEffect

		setApplyAnyImageEffectPage(window, "Oil Painting", 10, oilPaintingEffectFunction, currentImage, false, nil, currentPage, nextPageFunction)
	}

	wireframeEffectFunction := func(){
		nextPageFunction := func(newImage image.Image){
			setEditImagePage(window, originalImage, true, currentPage, newImage, previousPage, setSubmitImagePageFunction)
		}
		
		wireframeEffectFunction := imageEffects.ApplyWireframeEffect

		setApplyAnyImageEffectPage(window, "Wireframe", 10, wireframeEffectFunction, currentImage, false, nil, currentPage, nextPageFunction)
	}

	strokeEffectFunction := func(){
		nextPageFunction := func(newImage image.Image){
			setEditImagePage(window, originalImage, true, currentPage, newImage, previousPage, setSubmitImagePageFunction)
		}

		strokeEffectFunction := imageEffects.ApplyStrokeEffect

		setApplyAnyImageEffectPage(window, "Stroke", 10, strokeEffectFunction, currentImage, false, nil, currentPage, nextPageFunction)
	}

	overlayEmojiButton := widget.NewButton("Overlay Emoji", overlayEmojiFunction)
	cartoonButton := widget.NewButton("Cartoon", cartoonEffectFunction)
	pencilButton := widget.NewButton("Pencil", pencilEffectFunction)
	oilPaintingButton := widget.NewButton("Oil Painting", oilPaintingEffectFunction)
	wireframeButton :=  widget.NewButton("Wireframe", wireframeEffectFunction)
	strokeButton := widget.NewButton("Stroke", strokeEffectFunction)

	effectButtonsGrid := container.NewGridWithColumns(3, overlayEmojiButton, cartoonButton, pencilButton, oilPaintingButton, wireframeButton, strokeButton)
	effectButtonsGridCentered := getContainerCentered(effectButtonsGrid)
	page.Add(effectButtonsGridCentered)

	setPageContent(page, window)
}

func setApplyAnyImageEffectPage(window fyne.Window, effectTitle string, inputEffectStrength int, effectFunction func(image.Image, int)(image.Image, error), originalImage image.Image, effectedImageReady bool, effectedImage image.Image, previousPage func(), nextPage func(image.Image)){

	if (originalImage == nil){
		setErrorEncounteredPage(window, errors.New("setApplyAnyImageEffectPage called with nil image"), previousPage)
		return
	}

	getCurrentEffectStrength := func()int{
		if (inputEffectStrength <= 0){
			return 0
		}
		if (inputEffectStrength >= 100){
			return 100
		}
		return inputEffectStrength
	}

	effectStrength := getCurrentEffectStrength()

	if (effectedImageReady == false){

		setLoadingScreen(window, "Apply " + effectTitle + " Effect", "Applying " + effectTitle + " Effect")

		getImageWithEffect := func()(image.Image, error){

			if (effectStrength == 0){
				return originalImage, nil
			}

			imageWithEffect, err := effectFunction(originalImage, effectStrength)
			if (err != nil) { return nil, err }

			return imageWithEffect, nil
		}

		imageWithEffect, err := getImageWithEffect()
		if (err != nil) {
			setErrorEncounteredPage(window, errors.New("Unable to apply image effect: " + err.Error()), previousPage)
			return
		}
		setApplyAnyImageEffectPage(window, effectTitle, inputEffectStrength, effectFunction, originalImage, true, imageWithEffect, previousPage, nextPage)
		return
	}

	currentPage := func(){setApplyAnyImageEffectPage(window, effectTitle, effectStrength, effectFunction, originalImage, true, effectedImage, previousPage, nextPage)}

	title := getPageTitleCentered("Apply " + effectTitle + " Effect")

	backButton := getBackButtonCentered(previousPage)

	imageSizeFyne := getCustomFyneSize(100)
	currentImageFyne := canvas.NewImageFromImage(effectedImage)
	currentImageFyne.FillMode = canvas.ImageFillContain
	currentImageFyne.SetMinSize(imageSizeFyne)

	currentImageCentered := container.NewHBox(layout.NewSpacer(), currentImageFyne, layout.NewSpacer())
	
	viewFullpageButton := getWidgetCentered(widget.NewButtonWithIcon("", theme.ZoomInIcon(), func(){
			setViewFullpageImagePage(window, effectedImage, currentPage)
		}))

	applyEffectFunction := func(newEffectStrength int){
		setApplyAnyImageEffectPage(window, effectTitle, newEffectStrength, effectFunction, originalImage, false, nil, previousPage, nextPage)
	}

	getIncreaseDecreaseButtonsRow := func()*fyne.Container{

		getIncrease1Button := func()fyne.Widget{
		
			if (effectStrength == 100) {
				return widget.NewButton("", nil)
			}
			
			increaseEffectButton := widget.NewButtonWithIcon("+1", theme.MoveUpIcon(), func(){
					applyEffectFunction(effectStrength + 1)
				})

			return increaseEffectButton
		}

		getDecrease1Button := func()fyne.Widget{

			if (effectStrength == 0) {
				return widget.NewButton("", nil)
			}

			decreaseEffectButton := widget.NewButtonWithIcon("-1", theme.MoveDownIcon(), func(){

					applyEffectFunction(effectStrength-1)
				})

			return 	decreaseEffectButton
		}

		getIncrease10Button := func()fyne.Widget{

			if (effectStrength > 90) {
				return widget.NewButton("", nil)
			}

			increaseEffectButton := widget.NewButtonWithIcon("+10", theme.MoveUpIcon(), func(){

					if (effectStrength >= 90){
						applyEffectFunction(100)
						return
					}
					applyEffectFunction(effectStrength + 10)
				})

			return increaseEffectButton
		}	

		getDecrease10Button := func()fyne.Widget{
			if (effectStrength < 10) {
				return widget.NewButton("", nil)
			}

			decreaseEffectButton := widget.NewButtonWithIcon("-10", theme.MoveDownIcon(), func(){
					applyEffectFunction(effectStrength - 10)
				})

			return 	decreaseEffectButton
		}

		increase1Button := getIncrease1Button()
		decrease1Button := getDecrease1Button()

		increase10Button := getIncrease10Button()
		decrease10Button := getDecrease10Button()

		buttonsRow := getContainerBoxed(container.NewGridWithColumns(2, increase1Button, increase10Button, decrease1Button, decrease10Button))

		return buttonsRow
	}

	increaseDecreaseButtonsRow := getIncreaseDecreaseButtonsRow()

	effectStrengthTitle := getBoldLabelCentered("Strength:")

	currentEffectStrengthString := helpers.ConvertIntToString(effectStrength)
	currentEffectStrengthLabel := getWidgetCentered(getBoldLabel(currentEffectStrengthString))

	effectIncreaseDecreaseButtonsWithLabel := container.NewVBox(effectStrengthTitle, currentEffectStrengthLabel, increaseDecreaseButtonsRow)

	effectIncreaseDecreaseSection := getContainerBoxed(getContainerCentered(effectIncreaseDecreaseButtonsWithLabel))

	submitButton := getWidgetCentered(widget.NewButtonWithIcon("Confirm Changes", theme.ConfirmIcon(), func(){
			nextPage(effectedImage)
		}))

	page := container.NewVBox(title, backButton, widget.NewSeparator(), currentImageCentered, viewFullpageButton, widget.NewSeparator(), submitButton, effectIncreaseDecreaseSection)

	setPageContent(page, window)
}


func setApplyImageEffectPage_OverlayEmoji(window fyne.Window, originalImage image.Image, currentImage image.Image, emojiIsChosen bool, emojiImage image.Image, emojiScalePercentage int, xAxisPercentage int, yAxisPercentage int, previousPage func(), nextPage func(image.Image)){	
	
	currentPage := func(){setApplyImageEffectPage_OverlayEmoji(window, originalImage, currentImage, emojiIsChosen, emojiImage, emojiScalePercentage, xAxisPercentage, yAxisPercentage, previousPage, nextPage)}

	title := getPageTitleCentered("Overlay Emoji")

	backButton := getBackButtonCentered(previousPage)

	setChooseEmojiPageFunction := func(){

		submitEmojiFunction := func(emojiIdentifier int){

			emojiGolangImage, err := getEmojiImageObject(emojiIdentifier)
			if (err != nil) {
				setErrorEncounteredPage(window, err, currentPage)
				return
			}

			newImage, err := imageEffects.GetImageWithEmojiOverlay(originalImage, emojiGolangImage, 50, 50, 50)
			if (err != nil) {
				setErrorEncounteredPage(window, err, currentPage)
				return
			}

			setApplyImageEffectPage_OverlayEmoji(window, originalImage, newImage, true, emojiGolangImage, 50, 50, 50, previousPage, nextPage)
		}

		setChooseEmojiPage(window, "Choose Emoji", "Circle Face", 0, currentPage, submitEmojiFunction)
	}

	if (emojiIsChosen == false){

		description1 := getBoldLabelCentered("This tool enables you to overlay an emoji onto your image.")
		description2 := getLabelCentered("You must first choose an emoji.")

		chooseEmojiButton := getWidgetCentered(widget.NewButtonWithIcon("Choose Emoji", theme.NavigateNextIcon(), setChooseEmojiPageFunction))

		page := container.NewVBox(title, backButton, widget.NewSeparator(), description1, description2, chooseEmojiButton)

		setPageContent(page, window)
		return
	}

	imageSizeFyne := getCustomFyneSize(100)
	currentImageFyne := canvas.NewImageFromImage(currentImage)
	currentImageFyne.FillMode = canvas.ImageFillContain
	currentImageFyne.SetMinSize(imageSizeFyne)

	currentImageCentered := container.NewHBox(layout.NewSpacer(), currentImageFyne, layout.NewSpacer())

	viewFullpageButton := getWidgetCentered(widget.NewButtonWithIcon("", theme.ZoomInIcon(), func(){
			setViewFullpageImagePage(window, currentImage, currentPage)
		}))

	applyImageChangeFunction := func(newEmojiScalePercentage int, newXAxisPercentage int, newYAxisPercentage int){

		newImage, err := imageEffects.GetImageWithEmojiOverlay(originalImage, emojiImage, newEmojiScalePercentage, newXAxisPercentage, newYAxisPercentage)
		if (err != nil) {
			setErrorEncounteredPage(window, err, currentPage)
			return
		}

		setApplyImageEffectPage_OverlayEmoji(window, originalImage, newImage, true, emojiImage, newEmojiScalePercentage, newXAxisPercentage, newYAxisPercentage, previousPage, nextPage)
	}

	getMoveEmojiButtons := func()*fyne.Container{

		moveUpFunction := func(){
			newYAxisPercentage := yAxisPercentage + 3
			if (newYAxisPercentage > 100) {
				newYAxisPercentage = 100
			}
			applyImageChangeFunction(emojiScalePercentage, xAxisPercentage, newYAxisPercentage)
		}
		moveDownFunction := func(){
			newYAxisPercentage := yAxisPercentage - 3
			if (newYAxisPercentage < 0) {
				newYAxisPercentage = 0
			}
			applyImageChangeFunction(emojiScalePercentage, xAxisPercentage, newYAxisPercentage)
		}
		moveLeftFunction := func(){
			newXAxisPercentage := xAxisPercentage - 3
			if (newXAxisPercentage < 0) {
				newXAxisPercentage = 0
			}
			applyImageChangeFunction(emojiScalePercentage, newXAxisPercentage, yAxisPercentage)
		}
		moveRightFunction := func(){
			newXAxisPercentage := xAxisPercentage + 3
			if (newXAxisPercentage > 100) {
				newXAxisPercentage = 100
			}
			applyImageChangeFunction(emojiScalePercentage, newXAxisPercentage, yAxisPercentage)
		}
		
		moveUpButton := widget.NewButtonWithIcon("", theme.MoveUpIcon(), moveUpFunction)
		moveDownButton := widget.NewButtonWithIcon("", theme.MoveDownIcon(), moveDownFunction)
		moveLeftButton := widget.NewButtonWithIcon("", theme.NavigateBackIcon(), moveLeftFunction)
		moveRightButton := widget.NewButtonWithIcon("", theme.NavigateNextIcon(), moveRightFunction)

		buttonsGrid := container.NewGridWithColumns(3, widget.NewLabel(""), moveUpButton, widget.NewLabel(""), moveLeftButton, widget.NewLabel(""), moveRightButton, widget.NewLabel(""), moveDownButton, widget.NewLabel(""))

		buttonsGridBoxed := getContainerBoxed(buttonsGrid)

		return buttonsGridBoxed
	}

	getScaleEmojiButtons := func()*fyne.Container{
		scaleUpFunction := func(){
			if (emojiScalePercentage >= 97) {
				applyImageChangeFunction(100, xAxisPercentage, yAxisPercentage)
				return
			}
			newScalePercentage := emojiScalePercentage + 3
			applyImageChangeFunction(newScalePercentage, xAxisPercentage, yAxisPercentage)
		}
		scaleDownFunction := func(){
			if (emojiScalePercentage <= 10) {
				applyImageChangeFunction(7, xAxisPercentage, yAxisPercentage)
				return
			}
			newScalePercentage := emojiScalePercentage - 3
			applyImageChangeFunction(newScalePercentage, xAxisPercentage, yAxisPercentage)
		}

		scaleUpButton := widget.NewButtonWithIcon("", theme.ContentAddIcon(), scaleUpFunction)
		scaleDownButton := widget.NewButtonWithIcon("", theme.ContentRemoveIcon(), scaleDownFunction)

		scaleButtonsGrid := container.NewGridWithColumns(1, scaleUpButton, scaleDownButton)

		scaleButtonsBoxed := getContainerBoxed(scaleButtonsGrid)

		return scaleButtonsBoxed
	}

	moveEmojiButtons := getMoveEmojiButtons()	
	scaleEmojiButtons := getScaleEmojiButtons()

	moveAndScaleRow := container.NewHBox(layout.NewSpacer(), moveEmojiButtons, scaleEmojiButtons, layout.NewSpacer())

	changeEmojiButton := getWidgetCentered(widget.NewButtonWithIcon("Change Emoji", theme.DocumentCreateIcon(), setChooseEmojiPageFunction))

	submitButton := getWidgetCentered(widget.NewButtonWithIcon("Confirm Changes", theme.ConfirmIcon(), func(){
			nextPage(currentImage)
		}))

	page := container.NewVBox(title, backButton, widget.NewSeparator(), currentImageCentered, viewFullpageButton, widget.NewSeparator(), changeEmojiButton, submitButton, widget.NewSeparator(), moveAndScaleRow)

	setPageContent(page, window)	
}