import Foundation
import UIKit
import Display
import AsyncDisplayKit
import SwiftSignalKit
import Postbox
import TelegramCore
import SyncCore
import TelegramPresentationData
import AccountContext
import RadialStatusNode
import ShareController
import PhotoResources
import GalleryUI
import TelegramUniversalVideoContent

private struct PeerAvatarImageGalleryThumbnailItem: GalleryThumbnailItem {
    let account: Account
    let peer: Peer
    let content: [ImageRepresentationWithReference]
    
    init(account: Account, peer: Peer, content: [ImageRepresentationWithReference]) {
        self.account = account
        self.peer = peer
        self.content = content
    }
    
    var image: (Signal<(TransformImageArguments) -> DrawingContext?, NoError>, CGSize) {
        if let representation = largestImageRepresentation(self.content.map({ $0.representation })) {
            return (avatarGalleryThumbnailPhoto(account: self.account, representations: self.content), representation.dimensions.cgSize)
        } else {
            return (.single({ _ in return nil }), CGSize(width: 128.0, height: 128.0))
        }
    }
    
    func isEqual(to: GalleryThumbnailItem) -> Bool {
        if let to = to as? PeerAvatarImageGalleryThumbnailItem {
            return self.content == to.content
        } else {
            return false
        }
    }
}

class PeerAvatarImageGalleryItem: GalleryItem {
    var id: AnyHashable {
        return self.entry.id
    }
    
    let context: AccountContext
    let peer: Peer
    let presentationData: PresentationData
    let entry: AvatarGalleryEntry
    let sourceHasRoundCorners: Bool
    let delete: (() -> Void)?
    let setMain: (() -> Void)?
    
    init(context: AccountContext, peer: Peer, presentationData: PresentationData, entry: AvatarGalleryEntry, sourceHasRoundCorners: Bool, delete: (() -> Void)?, setMain: (() -> Void)?) {
        self.context = context
        self.peer = peer
        self.presentationData = presentationData
        self.entry = entry
        self.sourceHasRoundCorners = sourceHasRoundCorners
        self.delete = delete
        self.setMain = setMain
    }
        
    func node(synchronous: Bool) -> GalleryItemNode {
        let node = PeerAvatarImageGalleryItemNode(context: self.context, presentationData: self.presentationData, peer: self.peer, sourceHasRoundCorners: self.sourceHasRoundCorners)
        
        if let indexData = self.entry.indexData {
            node._title.set(.single(self.presentationData.strings.Items_NOfM("\(indexData.position + 1)", "\(indexData.totalCount)").0))
        }
        
        node.setEntry(self.entry, synchronous: synchronous)
        node.footerContentNode.delete = self.delete
        node.footerContentNode.setMain = self.setMain
        
        return node
    }
    
    func updateNode(node: GalleryItemNode, synchronous: Bool) {
        if let node = node as? PeerAvatarImageGalleryItemNode {
            if let indexData = self.entry.indexData {
                node._title.set(.single(self.presentationData.strings.Items_NOfM("\(indexData.position + 1)", "\(indexData.totalCount)").0))
            }
            
            node.setEntry(self.entry, synchronous: synchronous)
            node.footerContentNode.delete = self.delete
            node.footerContentNode.setMain = self.setMain
        }
    }
    
    func thumbnailItem() -> (Int64, GalleryThumbnailItem)? {
        let content: [ImageRepresentationWithReference]
        switch self.entry {
            case let .topImage(representations, _):
                content = representations
            case let .image(_, _, representations, _, _, _, _, _):
                content = representations
        }
        
        return (0, PeerAvatarImageGalleryThumbnailItem(account: self.context.account, peer: self.peer, content: content))
    }
}

private class PeerAvatarImageGalleryContentNode: ASDisplayNode {
    override func layout() {
        super.layout()
        
        if let subnodes = self.subnodes {
            for node in subnodes {
                node.frame = self.bounds
            }
        }
    }
}

final class PeerAvatarImageGalleryItemNode: ZoomableContentGalleryItemNode {
    private let context: AccountContext
    private let peer: Peer
    private let sourceHasRoundCorners: Bool
    
    private var entry: AvatarGalleryEntry?
    
    private let contentNode: PeerAvatarImageGalleryContentNode
    private let imageNode: TransformImageNode
    private var videoNode: UniversalVideoNode?
    private var videoContent: NativeVideoContent?
    
    fileprivate let _ready = Promise<Void>()
    fileprivate let _title = Promise<String>()
    private let statusNodeContainer: HighlightableButtonNode
    private let statusNode: RadialStatusNode
    fileprivate let footerContentNode: AvatarGalleryItemFooterContentNode
    
    private let fetchDisposable = MetaDisposable()
    private let statusDisposable = MetaDisposable()
    private var status: MediaResourceStatus?
    
    init(context: AccountContext, presentationData: PresentationData, peer: Peer, sourceHasRoundCorners: Bool) {
        self.context = context
        self.peer = peer
        self.sourceHasRoundCorners = sourceHasRoundCorners
        
        self.contentNode = PeerAvatarImageGalleryContentNode()
        self.imageNode = TransformImageNode()
        self.footerContentNode = AvatarGalleryItemFooterContentNode(context: context, presentationData: presentationData)
        
        self.statusNodeContainer = HighlightableButtonNode()
        self.statusNode = RadialStatusNode(backgroundNodeColor: UIColor(white: 0.0, alpha: 0.5))
        self.statusNode.isHidden = true
        
        super.init()
        
        self.contentNode.addSubnode(self.imageNode)
        
        self.imageNode.imageUpdated = { [weak self] _ in
            self?._ready.set(.single(Void()))
        }
        
        self.imageNode.contentAnimations = .subsequentUpdates
        self.imageNode.view.contentMode = .scaleAspectFill
        self.imageNode.clipsToBounds = true
        
        self.statusNodeContainer.addSubnode(self.statusNode)
        self.addSubnode(self.statusNodeContainer)
        
        self.statusNodeContainer.addTarget(self, action: #selector(self.statusPressed), forControlEvents: .touchUpInside)
        self.statusNodeContainer.isUserInteractionEnabled = false
        
        self.footerContentNode.share = { [weak self] interaction in
            if let strongSelf = self, let entry = strongSelf.entry, !entry.representations.isEmpty {
                let subject: ShareControllerSubject
                if let video = entry.videoRepresentations.last {
                    let videoFileReference = FileMediaReference.standalone(media: TelegramMediaFile(fileId: MediaId(namespace: Namespaces.Media.LocalFile, id: 0), partialReference: nil, resource: video.resource, previewRepresentations: [], videoThumbnails: [], immediateThumbnailData: nil, mimeType: "video/mp4", size: nil, attributes: [.Animated, .Video(duration: 0, size: video.dimensions, flags: [])]))
                    subject = .media(videoFileReference.abstract)
                } else {
                    subject = .image(entry.representations)
                }
                let shareController = ShareController(context: strongSelf.context, subject: subject, preferredAction: .saveToCameraRoll)
                interaction.presentController(shareController, nil)
            }
        }
    }
    
    deinit {
        self.fetchDisposable.dispose()
        self.statusDisposable.dispose()
    }
    
    override func ready() -> Signal<Void, NoError> {
        return self._ready.get()
    }
    
    override func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
        super.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: transition)
        
        let statusSize = CGSize(width: 50.0, height: 50.0)
        transition.updateFrame(node: self.statusNodeContainer, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - statusSize.width) / 2.0), y: floor((layout.size.height - statusSize.height) / 2.0)), size: statusSize))
        transition.updateFrame(node: self.statusNode, frame: CGRect(origin: CGPoint(), size: statusSize))
    }
    
    fileprivate func setEntry(_ entry: AvatarGalleryEntry, synchronous: Bool) {
        if self.entry != entry {
            self.entry = entry
            
            var footerContent: AvatarGalleryItemFooterContent
            if self.peer.id == self.context.account.peerId {
                footerContent = .own((entry.indexData?.position ?? 0) == 0)
            } else {
                footerContent = .info
            }
                        
            self.footerContentNode.setEntry(entry, content: footerContent)
            
            if let largestSize = largestImageRepresentation(entry.representations.map({ $0.representation })) {
                let displaySize = largestSize.dimensions.cgSize.fitted(CGSize(width: 1280.0, height: 1280.0)).dividedByScreenScale().integralFloor
                self.imageNode.asyncLayout()(TransformImageArguments(corners: ImageCorners(), imageSize: displaySize, boundingSize: displaySize, intrinsicInsets: UIEdgeInsets()))()
                let representations: [ImageRepresentationWithReference]
                switch entry {
                    case let .topImage(topRepresentations, _):
                        representations = topRepresentations
                    case let .image(_, _, imageRepresentations, _, _, _, _, _):
                        representations = imageRepresentations
                }
                self.imageNode.setSignal(chatAvatarGalleryPhoto(account: self.context.account, representations: representations, attemptSynchronously: synchronous), attemptSynchronously: synchronous, dispatchOnDisplayLink: false)
                self.zoomableContent = (largestSize.dimensions.cgSize, self.contentNode)

                if let largestIndex = representations.firstIndex(where: { $0.representation == largestSize }) {
                    self.fetchDisposable.set(fetchedMediaResource(mediaBox: self.context.account.postbox.mediaBox, reference: representations[largestIndex].reference).start())
                }
                
//                self.statusDisposable.set((self.context.account.postbox.mediaBox.resourceStatus(largestSize.resource)
//                |> deliverOnMainQueue).start(next: { [weak self] status in
//                    if let strongSelf = self {
//                        let previousStatus = strongSelf.status
//                        strongSelf.status = status
//                        switch status {
//                            case .Remote:
//                                strongSelf.statusNode.isHidden = false
//                                strongSelf.statusNodeContainer.isUserInteractionEnabled = true
//                                strongSelf.statusNode.transitionToState(.download(.white), completion: {})
//                            case let .Fetching(_, progress):
//                                strongSelf.statusNode.isHidden = false
//                                strongSelf.statusNodeContainer.isUserInteractionEnabled = true
//                                let adjustedProgress = max(progress, 0.027)
//                                strongSelf.statusNode.transitionToState(.progress(color: .white, lineWidth: nil, value: CGFloat(adjustedProgress), cancelEnabled: true), completion: {})
//                            case .Local:
//                                if let previousStatus = previousStatus, case .Fetching = previousStatus {
//                                    strongSelf.statusNode.transitionToState(.progress(color: .white, lineWidth: nil, value: 1.0, cancelEnabled: true), completion: {
//                                        if let strongSelf = self {
//                                            strongSelf.statusNode.alpha = 0.0
//                                            strongSelf.statusNodeContainer.isUserInteractionEnabled = false
//                                            strongSelf.statusNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, completion: { _ in
//                                                if let strongSelf = self {
//                                                    strongSelf.statusNode.transitionToState(.none, animated: false, completion: {})
//                                                }
//                                            })
//                                        }
//                                    })
//                                } else if !strongSelf.statusNode.isHidden && !strongSelf.statusNode.alpha.isZero {
//                                    strongSelf.statusNode.alpha = 0.0
//                                    strongSelf.statusNodeContainer.isUserInteractionEnabled = false
//                                    strongSelf.statusNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, completion: { _ in
//                                        if let strongSelf = self {
//                                            strongSelf.statusNode.transitionToState(.none, animated: false, completion: {})
//                                        }
//                                    })
//                                }
//                        }
//                    }
//                }))
                
                var id: Int64?
                if case let .image(image) = entry {
                    id = image.0.id
                }
                if let video = entry.videoRepresentations.last, let id = id {
                    let mediaManager = self.context.sharedContext.mediaManager
                    let videoFileReference = FileMediaReference.standalone(media: TelegramMediaFile(fileId: MediaId(namespace: Namespaces.Media.LocalFile, id: 0), partialReference: nil, resource: video.resource, previewRepresentations: [], videoThumbnails: [], immediateThumbnailData: nil, mimeType: "video/mp4", size: nil, attributes: [.Animated, .Video(duration: 0, size: video.dimensions, flags: [])]))
                    let videoContent = NativeVideoContent(id: .profileVideo(id), fileReference: videoFileReference, streamVideo: isMediaStreamable(resource: video.resource) ? .conservative : .none, loopVideo: true, enableSound: false, fetchAutomatically: true, onlyFullSizeThumbnail: false, continuePlayingWithoutSoundOnLostAudioSession: false, placeholderColor: .clear)
                    let videoNode = UniversalVideoNode(postbox: self.context.account.postbox, audioSession: mediaManager.audioSession, manager: mediaManager.universalVideoManager, decoration: GalleryVideoDecoration(), content: videoContent, priority: .embedded)
                    videoNode.isUserInteractionEnabled = false
                    videoNode.ownsContentNodeUpdated = { [weak self] owns in
                        if let strongSelf = self {
                            strongSelf.videoNode?.isHidden = !owns
                        }
                    }
                    videoNode.canAttachContent = true
                    if videoNode.hasAttachedContext {
                        videoNode.play()
                    }
                    
                    self.videoContent = videoContent
                    self.videoNode = videoNode
                    
                    videoNode.updateLayout(size: largestSize.dimensions.cgSize, transition: .immediate)
                    
                    self.contentNode.addSubnode(videoNode)
                } else if let videoNode = self.videoNode {
                    self.videoContent = nil
                    self.videoNode = nil
                    
                    videoNode.removeFromSupernode()
                }
                
                self.imageNode.frame = self.contentNode.bounds
                self.videoNode?.frame = self.contentNode.bounds
            } else {
                self._ready.set(.single(Void()))
            }
        }
    }
    
    override func animateIn(from node: (ASDisplayNode, CGRect, () -> (UIView?, UIView?)), addToTransitionSurface: (UIView) -> Void, completion: @escaping () -> Void) {
        var transformedFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view)
        let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view.superview)
        let transformedSelfFrame = node.0.view.convert(node.0.view.bounds, to: self.view)
        let transformedCopyViewFinalFrame = self.contentNode.view.convert(self.contentNode.view.bounds, to: self.view)
        let scaledLocalImageViewBounds = self.contentNode.view.bounds
        
        let copyViewContents = node.2().0!
        let copyView = UIView()
        copyView.addSubview(copyViewContents)
        copyViewContents.frame = CGRect(origin: CGPoint(x: (transformedSelfFrame.width - copyViewContents.frame.width) / 2.0, y: (transformedSelfFrame.height - copyViewContents.frame.height) / 2.0), size: copyViewContents.frame.size)
        copyView.layer.sublayerTransform = CATransform3DMakeScale(transformedSelfFrame.width / copyViewContents.frame.width, transformedSelfFrame.height / copyViewContents.frame.height, 1.0)
        
        let surfaceCopyViewContents = node.2().0!
        let surfaceCopyView = UIView()
        surfaceCopyView.addSubview(surfaceCopyViewContents)
        
        addToTransitionSurface(surfaceCopyView)
        
        var transformedSurfaceFrame: CGRect?
        var transformedSurfaceFinalFrame: CGRect?
        if let contentSurface = surfaceCopyView.superview {
            transformedSurfaceFrame = node.0.view.convert(node.0.view.bounds, to: contentSurface)
            transformedSurfaceFinalFrame = self.contentNode.view.convert(scaledLocalImageViewBounds, to: contentSurface)
        }
        
        if let transformedSurfaceFrame = transformedSurfaceFrame, let transformedSurfaceFinalFrame = transformedSurfaceFinalFrame {
            surfaceCopyViewContents.frame = CGRect(origin: CGPoint(x: (transformedSurfaceFrame.width - surfaceCopyViewContents.frame.width) / 2.0, y: (transformedSurfaceFrame.height - surfaceCopyViewContents.frame.height) / 2.0), size: surfaceCopyViewContents.frame.size)
            surfaceCopyView.layer.sublayerTransform = CATransform3DMakeScale(transformedSurfaceFrame.width / surfaceCopyViewContents.frame.width, transformedSurfaceFrame.height / surfaceCopyViewContents.frame.height, 1.0)
            surfaceCopyView.frame = transformedSurfaceFrame
            
            surfaceCopyView.layer.animatePosition(from: CGPoint(x: transformedSurfaceFrame.midX, y: transformedSurfaceFrame.midY), to: CGPoint(x: transformedSurfaceFinalFrame.midX, y: transformedSurfaceFinalFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
            let scale = CGSize(width: transformedSurfaceFinalFrame.size.width / transformedSurfaceFrame.size.width, height: transformedSurfaceFrame.size.height / transformedSelfFrame.size.height)
            surfaceCopyView.layer.animate(from: NSValue(caTransform3D: CATransform3DIdentity), to: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false)
            
            surfaceCopyView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false, completion: { [weak surfaceCopyView] _ in
                surfaceCopyView?.removeFromSuperview()
            })
        }
        
        if self.sourceHasRoundCorners {
            self.view.insertSubview(copyView, belowSubview: self.scrollNode.view)
        }
        copyView.frame = transformedSelfFrame
        
        copyView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false, completion: { [weak copyView] _ in
            copyView?.removeFromSuperview()
        })
        
        copyView.layer.animatePosition(from: CGPoint(x: transformedSelfFrame.midX, y: transformedSelfFrame.midY), to: CGPoint(x: transformedCopyViewFinalFrame.midX, y: transformedCopyViewFinalFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
        let scale = CGSize(width: transformedCopyViewFinalFrame.size.width / transformedSelfFrame.size.width, height: transformedCopyViewFinalFrame.size.height / transformedSelfFrame.size.height)
        copyView.layer.animate(from: NSValue(caTransform3D: CATransform3DIdentity), to: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false)
        
        self.contentNode.layer.animatePosition(from: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), to: self.contentNode.layer.position, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, completion: { _ in
            completion()
        })
        self.contentNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.07)
        
        transformedFrame.origin = CGPoint()
        //self.imageNode.layer.animateBounds(from: transformedFrame, to: self.imageNode.layer.bounds, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
        
        let transform = CATransform3DScale(self.contentNode.layer.transform, transformedFrame.size.width / self.contentNode.layer.bounds.size.width, transformedFrame.size.height / self.contentNode.layer.bounds.size.height, 1.0)
        self.contentNode.layer.animate(from: NSValue(caTransform3D: transform), to: NSValue(caTransform3D: self.contentNode.layer.transform), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25)
        
        self.contentNode.clipsToBounds = true
        if self.sourceHasRoundCorners {
            self.contentNode.layer.animate(from: (self.contentNode.frame.width / 2.0) as NSNumber, to: 0.0 as NSNumber, keyPath: "cornerRadius", timingFunction: CAMediaTimingFunctionName.default.rawValue, duration: 0.18, removeOnCompletion: false, completion: { [weak self] value in
                if value {
                    self?.contentNode.clipsToBounds = false
                }
            })
        }
        
        self.statusNodeContainer.layer.animatePosition(from: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), to: self.statusNodeContainer.position, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
        self.statusNodeContainer.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
        self.statusNodeContainer.layer.animateScale(from: 0.5, to: 1.0, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
    }
    
    override func animateOut(to node: (ASDisplayNode, CGRect, () -> (UIView?, UIView?)), addToTransitionSurface: (UIView) -> Void, completion: @escaping () -> Void) {
        var transformedFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view)
        let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view.superview)
        let transformedSelfFrame = node.0.view.convert(node.0.view.bounds, to: self.view)
        let transformedCopyViewInitialFrame = self.contentNode.view.convert(self.contentNode.view.bounds, to: self.view)
        
        var positionCompleted = false
        var boundsCompleted = false
        var copyCompleted = false
        var surfaceCopyCompleted = false
        
        let copyView = node.2().0!
        
        if self.sourceHasRoundCorners {
            self.view.insertSubview(copyView, belowSubview: self.scrollNode.view)
        }
        copyView.frame = transformedSelfFrame
        
        let surfaceCopyView = node.2().0!
        if !self.sourceHasRoundCorners {
            addToTransitionSurface(surfaceCopyView)
        }
        
        var transformedSurfaceFrame: CGRect?
        var transformedSurfaceCopyViewInitialFrame: CGRect?
        if let contentSurface = surfaceCopyView.superview {
            transformedSurfaceFrame = node.0.view.convert(node.0.view.bounds, to: contentSurface)
            transformedSurfaceCopyViewInitialFrame = self.contentNode.view.convert(self.contentNode.view.bounds, to: contentSurface)
        }
        
        let durationFactor = 1.0
        
        let intermediateCompletion = { [weak copyView, weak surfaceCopyView] in
            if positionCompleted && boundsCompleted && copyCompleted {
                copyView?.removeFromSuperview()
                surfaceCopyView?.removeFromSuperview()
                completion()
            }
        }
        
        if let transformedSurfaceFrame = transformedSurfaceFrame, let transformedSurfaceCopyViewInitialFrame = transformedSurfaceCopyViewInitialFrame {
            surfaceCopyView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1 * durationFactor, removeOnCompletion: false)
            
            surfaceCopyView.layer.animatePosition(from: CGPoint(x: transformedSurfaceCopyViewInitialFrame.midX, y: transformedSurfaceCopyViewInitialFrame.midY), to: CGPoint(x: transformedSurfaceFrame.midX, y: transformedSurfaceFrame.midY), duration: 0.25 * durationFactor, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
            let scale = CGSize(width: transformedSurfaceCopyViewInitialFrame.size.width / transformedSurfaceFrame.size.width, height: transformedSurfaceCopyViewInitialFrame.size.height / transformedSurfaceFrame.size.height)
            surfaceCopyView.layer.animate(from: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), to: NSValue(caTransform3D: CATransform3DIdentity), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25 * durationFactor, removeOnCompletion: false, completion: { _ in
                surfaceCopyCompleted = true
                intermediateCompletion()
            })
        } else {
            surfaceCopyCompleted = true
        }
        
        copyView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1 * durationFactor, removeOnCompletion: false)
        
        copyView.layer.animatePosition(from: CGPoint(x: transformedCopyViewInitialFrame.midX, y: transformedCopyViewInitialFrame.midY), to: CGPoint(x: transformedSelfFrame.midX, y: transformedSelfFrame.midY), duration: 0.25 * durationFactor, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
        let scale = CGSize(width: transformedCopyViewInitialFrame.size.width / transformedSelfFrame.size.width, height: transformedCopyViewInitialFrame.size.height / transformedSelfFrame.size.height)
        copyView.layer.animate(from: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), to: NSValue(caTransform3D: CATransform3DIdentity), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25 * durationFactor, removeOnCompletion: false, completion: { _ in
            copyCompleted = true
            intermediateCompletion()
        })
        
        self.contentNode.layer.animatePosition(from: self.contentNode.layer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25 * durationFactor, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
            positionCompleted = true
            intermediateCompletion()
        })
        
        self.contentNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25 * durationFactor, removeOnCompletion: false)
        
        transformedFrame.origin = CGPoint()
        
        let transform = CATransform3DScale(self.contentNode.layer.transform, transformedFrame.size.width / self.contentNode.layer.bounds.size.width, transformedFrame.size.height / self.contentNode.layer.bounds.size.height, 1.0)
        self.contentNode.layer.animate(from: NSValue(caTransform3D: self.contentNode.layer.transform), to: NSValue(caTransform3D: transform), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25 * durationFactor, removeOnCompletion: false, completion: { _ in
            boundsCompleted = true
            intermediateCompletion()
        })
        
        self.contentNode.clipsToBounds = true
        if self.sourceHasRoundCorners {
            self.contentNode.layer.animate(from: 0.0 as NSNumber, to: (self.contentNode.frame.width / 2.0) as NSNumber, keyPath: "cornerRadius", timingFunction: CAMediaTimingFunctionName.default.rawValue, duration: 0.18 * durationFactor, removeOnCompletion: false)
        }
        
        self.statusNodeContainer.layer.animatePosition(from: self.statusNodeContainer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
        self.statusNodeContainer.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, timingFunction: CAMediaTimingFunctionName.easeIn.rawValue, removeOnCompletion: false)
    }
    
    override func visibilityUpdated(isVisible: Bool) {
        super.visibilityUpdated(isVisible: isVisible)
    }
    
    override func title() -> Signal<String, NoError> {
        return self._title.get()
    }
    
    @objc func statusPressed() {
        if let entry = self.entry, let largestSize = largestImageRepresentation(entry.representations.map({ $0.representation })), let status = self.status {
            switch status {
                case .Fetching:
                    self.context.account.postbox.mediaBox.cancelInteractiveResourceFetch(largestSize.resource)
                case .Remote:
                    let representations: [ImageRepresentationWithReference]
                    switch entry {
                        case let .topImage(topRepresentations, _):
                            representations = topRepresentations
                        case let .image(_, _, imageRepresentations, _, _, _, _, _):
                            representations = imageRepresentations
                    }
                    
                    if let largestIndex = representations.firstIndex(where: { $0.representation == largestSize }) {
                        self.fetchDisposable.set(fetchedMediaResource(mediaBox: self.context.account.postbox.mediaBox, reference: representations[largestIndex].reference).start())
                    }
                default:
                    break
            }
        }
    }
    
    override func footerContent() -> Signal<(GalleryFooterContentNode?, GalleryOverlayContentNode?), NoError> {
        return .single((self.footerContentNode, nil))
    }
}