//import Foundation
//import Display
//import UIKit
//import AsyncDisplayKit
//import TelegramPresentationData
//
//private let textFont = Font.regular(13.0)
//private let selectedTextFont = Font.bold(13.0)
//
//public final class DatePickerTheme: Equatable {
//    public let backgroundColor: UIColor
//    public let textColor: UIColor
//    public let secondaryTextColor: UIColor
//    public let accentColor: UIColor
//    public let selectionColor: UIColor
//    public let selectedCurrentTextColor: UIColor
//    public let secondarySelectionColor: UIColor
//    
//    public init(backgroundColor: UIColor, textColor: UIColor, secondaryTextColor: UIColor, accentColor: UIColor, selectionColor: UIColor, selectedCurrentTextColor: UIColor, secondarySelectionColor: UIColor) {
//        self.backgroundColor = backgroundColor
//        self.textColor = textColor
//        self.secondaryTextColor = secondaryTextColor
//        self.accentColor = accentColor
//        self.selectionColor = selectionColor
//        self.selectedCurrentTextColor = selectedCurrentTextColor
//        self.secondarySelectionColor = secondarySelectionColor
//    }
//    
//    public static func ==(lhs: DatePickerTheme, rhs: DatePickerTheme) -> Bool {
//        if lhs.backgroundColor != rhs.backgroundColor {
//            return false
//        }
//        if lhs.textColor != rhs.textColor {
//            return false
//        }
//        if lhs.secondaryTextColor != rhs.secondaryTextColor {
//            return false
//        }
//        if lhs.accentColor != rhs.accentColor {
//            return false
//        }
//        if lhs.selectionColor != rhs.selectionColor {
//            return false
//        }
//        if lhs.selectedCurrentTextColor != rhs.selectedCurrentTextColor {
//            return false
//        }
//        if lhs.secondarySelectionColor != rhs.secondarySelectionColor {
//            return false
//        }
//        return true
//    }
//}
//
//public extension DatePickerTheme {
//    convenience init(theme: PresentationTheme) {
//        self.init(backgroundColor: theme.rootController.navigationBar.segmentedBackgroundColor, foregroundColor: theme.rootController.navigationBar.segmentedForegroundColor, shadowColor: .black, textColor: theme.rootController.navigationBar.segmentedTextColor, dividerColor: theme.rootController.navigationBar.segmentedDividerColor)
//    }
//}
//
//private class SegmentedControlItemNode: HighlightTrackingButtonNode {
//}
//
//private let telegramReleaseDate = Date(timeIntervalSince1970: 1376438400.0)
//
//public final class DatePickerNode: ASDisplayNode, UIGestureRecognizerDelegate {
//    private var theme: DatePickerTheme
//    private var _items: [SegmentedControlItem]
//    private var _selectedIndex: Int = 0
//    
//    private var validLayout: SegmentedControlLayout?
//    
//    private let selectionNode: ASImageNode
//    private var itemNodes: [SegmentedControlItemNode]
//    private var dividerNodes: [ASDisplayNode]
//    
//    private var gestureRecognizer: UIPanGestureRecognizer?
//    private var gestureSelectedIndex: Int?
//    
//    public var maximumDate: Date? {
//        didSet {
//            
//        }
//    }
//    public var minimumDate: Date = telegramReleaseDate {
//        didSet {
//            
//        }
//    }
//    public var date: Date = Date() {
//        didSet {
//            
//        }
//    }
//
//    
//    public var items: [SegmentedControlItem] {
//        get {
//            return self._items
//        }
//        set {
//            let previousItems = self._items
//            self._items = newValue
//            guard previousItems != newValue else {
//                return
//            }
//            
//            self.itemNodes.forEach { $0.removeFromSupernode() }
//            self.itemNodes = self._items.map { item in
//                let itemNode = SegmentedControlItemNode()
//                itemNode.contentEdgeInsets = UIEdgeInsets(top: 0.0, left: 8.0, bottom: 0.0, right: 8.0)
//                itemNode.titleNode.maximumNumberOfLines = 1
//                itemNode.titleNode.truncationMode = .byTruncatingTail
//                itemNode.setTitle(item.title, with: textFont, with: self.theme.textColor, for: .normal)
//                itemNode.setTitle(item.title, with: selectedTextFont, with: self.theme.textColor, for: .selected)
//                itemNode.setTitle(item.title, with: selectedTextFont, with: self.theme.textColor, for: [.selected, .highlighted])
//                return itemNode
//            }
//            self.setupButtons()
//            self.itemNodes.forEach(self.addSubnode(_:))
//            
//            let dividersCount = self._items.count > 2 ? self._items.count - 1 : 0
//            if self.dividerNodes.count != dividersCount {
//                self.dividerNodes.forEach { $0.removeFromSupernode() }
//                self.dividerNodes = (0 ..< dividersCount).map { _ in ASDisplayNode() }
//            }
//            
//            if let layout  = self.validLayout {
//                let _ = self.updateLayout(layout, transition: .immediate)
//            }
//        }
//    }
//    
//    public var selectedIndex: Int {
//        get {
//            return self._selectedIndex
//        }
//        set {
//            guard newValue != self._selectedIndex else {
//                return
//            }
//            self._selectedIndex = newValue
//            if let layout = self.validLayout {
//                let _ = self.updateLayout(layout, transition: .immediate)
//            }
//        }
//    }
//    
//    public func setSelectedIndex(_ index: Int, animated: Bool) {
//        guard index != self._selectedIndex else {
//            return
//        }
//        self._selectedIndex = index
//        if let layout = self.validLayout {
//            let _ = self.updateLayout(layout, transition: .animated(duration: 0.2, curve: .easeInOut))
//        }
//    }
//    
//    public var selectedIndexChanged: (Int) -> Void = { _ in }
//    public var selectedIndexShouldChange: (Int, @escaping (Bool) -> Void) -> Void = { _, f in
//        f(true)
//    }
//    
//    public init(theme: SegmentedControlTheme, items: [SegmentedControlItem], selectedIndex: Int) {
//        self.theme = theme
//        self._items = items
//        self._selectedIndex = selectedIndex
//        
//        self.selectionNode = ASImageNode()
//        self.selectionNode.displaysAsynchronously = false
//        self.selectionNode.displayWithoutProcessing = true
//        
//        self.itemNodes = items.map { item in
//            let itemNode = SegmentedControlItemNode()
//            itemNode.contentEdgeInsets = UIEdgeInsets(top: 0.0, left: 8.0, bottom: 0.0, right: 8.0)
//            itemNode.titleNode.maximumNumberOfLines = 1
//            itemNode.titleNode.truncationMode = .byTruncatingTail
//            itemNode.setTitle(item.title, with: textFont, with: theme.textColor, for: .normal)
//            itemNode.setTitle(item.title, with: selectedTextFont, with: theme.textColor, for: .selected)
//            itemNode.setTitle(item.title, with: selectedTextFont, with: theme.textColor, for: [.selected, .highlighted])
//            return itemNode
//        }
//        
//        let dividersCount = items.count > 2 ? items.count - 1 : 0
//        self.dividerNodes = (0 ..< dividersCount).map { _ in
//            let node = ASDisplayNode()
//            node.backgroundColor = theme.dividerColor
//            return node
//        }
//        
//        super.init()
//        
//        self.clipsToBounds = true
//        self.cornerRadius = 9.0
//        
//        self.addSubnode(self.selectionNode)
//        self.itemNodes.forEach(self.addSubnode(_:))
//        self.setupButtons()
//        self.dividerNodes.forEach(self.addSubnode(_:))
//
//        self.backgroundColor = self.theme.backgroundColor
//        self.selectionNode.image = generateSelectionImage(theme: self.theme)
//    }
//    
//    override public func didLoad() {
//        super.didLoad()
//        
//        self.view.disablesInteractiveTransitionGestureRecognizer = true
//       
//        let gestureRecognizer = UIPanGestureRecognizer(target: self, action: #selector(self.panGesture(_:)))
//        gestureRecognizer.delegate = self
//        self.view.addGestureRecognizer(gestureRecognizer)
//        self.gestureRecognizer = gestureRecognizer
//    }
//    
//    private func setupButtons() {
//        for i in 0 ..< self.itemNodes.count {
//            let itemNode = self.itemNodes[i]
//            itemNode.addTarget(self, action: #selector(self.buttonPressed(_:)), forControlEvents: .touchUpInside)
//            itemNode.highligthedChanged = { [weak self, weak itemNode] highlighted in
//                if let strongSelf = self, let itemNode = itemNode {
//                    let transition = ContainedViewLayoutTransition.animated(duration: 0.25, curve: .easeInOut)
//                    if strongSelf.selectedIndex == i {
//                        if let gestureRecognizer = strongSelf.gestureRecognizer, case .began = gestureRecognizer.state {
//                        } else {
//                            strongSelf.updateButtonsHighlights(highlightedIndex: highlighted ? i : nil, gestureSelectedIndex: strongSelf.gestureSelectedIndex)
//                        }
//                    } else if highlighted {
//                        transition.updateAlpha(node: itemNode, alpha: 0.4)
//                    }
//                    if !highlighted {
//                        transition.updateAlpha(node: itemNode, alpha: 1.0)
//                    }
//                }
//            }
//        }
//    }
//    
//    private func updateButtonsHighlights(highlightedIndex: Int?, gestureSelectedIndex: Int?) {
//        let transition = ContainedViewLayoutTransition.animated(duration: 0.25, curve: .easeInOut)
//        if highlightedIndex == nil && gestureSelectedIndex == nil {
//            transition.updateTransformScale(node: self.selectionNode, scale: 1.0)
//        } else {
//            transition.updateTransformScale(node: self.selectionNode, scale: 0.92)
//        }
//        for i in 0 ..< self.itemNodes.count {
//            let itemNode = self.itemNodes[i]
//            if i == highlightedIndex || i == gestureSelectedIndex {
//                transition.updateTransformScale(node: itemNode, scale: 0.92)
//            } else {
//                transition.updateTransformScale(node: itemNode, scale: 1.0)
//            }
//        }
//    }
//    
//    private func updateButtonsHighlights() {
//        let transition = ContainedViewLayoutTransition.animated(duration: 0.25, curve: .easeInOut)
//        if let gestureSelectedIndex = self.gestureSelectedIndex {
//            for i in 0 ..< self.itemNodes.count {
//                let itemNode = self.itemNodes[i]
//                transition.updateTransformScale(node: itemNode, scale: i == gestureSelectedIndex ? 0.92 : 1.0)
//            }
//        } else {
//            for itemNode in self.itemNodes {
//                transition.updateTransformScale(node: itemNode, scale: 1.0)
//            }
//        }
//    }
//    
//    public func updateTheme(_ theme: SegmentedControlTheme) {
//        guard theme != self.theme else {
//            return
//        }
//        self.theme = theme
//        
//        self.backgroundColor = self.theme.backgroundColor
//        self.selectionNode.image = generateSelectionImage(theme: self.theme)
//        
//        for itemNode in self.itemNodes {
//            if let title = itemNode.attributedTitle(for: .normal)?.string {
//                itemNode.setTitle(title, with: textFont, with: self.theme.textColor, for: .normal)
//                itemNode.setTitle(title, with: selectedTextFont, with: self.theme.textColor, for: .selected)
//                itemNode.setTitle(title, with: selectedTextFont, with: self.theme.textColor, for: [.selected, .highlighted])
//            }
//        }
//        
//        for dividerNode in self.dividerNodes {
//            dividerNode.backgroundColor = theme.dividerColor
//        }
//    }
//    
//    public func updateLayout(_ layout: SegmentedControlLayout, transition: ContainedViewLayoutTransition) -> CGSize {
//        self.validLayout = layout
//        
//        let calculatedWidth: CGFloat = 0.0
//        
//        let width: CGFloat
//        switch layout {
//            case let .stretchToFill(targetWidth):
//                width = targetWidth
//            case let .sizeToFit(maximumWidth, minimumWidth):
//                width = max(minimumWidth, min(maximumWidth, calculatedWidth))
//        }
//
//        let selectedIndex: Int
//        if let gestureSelectedIndex = self.gestureSelectedIndex {
//            selectedIndex = gestureSelectedIndex
//        } else {
//            selectedIndex = self.selectedIndex
//        }
//        
//        let size = CGSize(width: width, height: 32.0)
//        if !self.itemNodes.isEmpty {
//            let itemSize = CGSize(width: floorToScreenPixels(size.width / CGFloat(self.itemNodes.count)), height: size.height)
//            
//            transition.updateBounds(node: self.selectionNode, bounds: CGRect(origin: CGPoint(), size: itemSize))
//            transition.updatePosition(node: self.selectionNode, position: CGPoint(x: itemSize.width / 2.0 + itemSize.width * CGFloat(selectedIndex), y: size.height / 2.0))
//            
//            for i in 0 ..< self.itemNodes.count {
//                let itemNode = self.itemNodes[i]
//                let _ = itemNode.measure(itemSize)
//                transition.updateFrame(node: itemNode, frame: CGRect(origin: CGPoint(x: itemSize.width * CGFloat(i), y: (size.height - itemSize.height) / 2.0), size: itemSize))
//                
//                let isSelected = selectedIndex == i
//                if itemNode.isSelected != isSelected {
//                    if case .animated = transition {
//                        UIView.transition(with: itemNode.view, duration: 0.2, options: .transitionCrossDissolve, animations: {
//                            itemNode.isSelected = isSelected
//                        }, completion: nil)
//                    } else {
//                        itemNode.isSelected = isSelected
//                    }
//                    if isSelected {
//                        itemNode.accessibilityTraits.insert(.selected)
//                    } else {
//                        itemNode.accessibilityTraits.remove(.selected)
//                    }
//                }
//            }
//        }
//        
//        if !self.dividerNodes.isEmpty {
//            let dividerSize = CGSize(width: 1.0, height: 16.0)
//            let delta: CGFloat = size.width / CGFloat(self.dividerNodes.count + 1)
//            for i in 0 ..< self.dividerNodes.count {
//                let dividerNode = self.dividerNodes[i]
//                transition.updateFrame(node: dividerNode, frame: CGRect(origin: CGPoint(x: floorToScreenPixels(delta * CGFloat(i + 1) - dividerSize.width / 2.0), y: (size.height - dividerSize.height) / 2.0), size: dividerSize))
//                
//                let dividerAlpha: CGFloat
//                if (selectedIndex - 1 ... selectedIndex).contains(i) {
//                    dividerAlpha = 0.0
//                } else {
//                    dividerAlpha = 1.0
//                }
//                transition.updateAlpha(node: dividerNode, alpha: dividerAlpha)
//            }
//        }
//        
//        return size
//    }
//    
//    @objc private func buttonPressed(_ button: SegmentedControlItemNode) {
//        guard let index = self.itemNodes.firstIndex(of: button) else {
//            return
//        }
//        
//        self.selectedIndexShouldChange(index, { [weak self] commit in
//            if let strongSelf = self, commit {
//                strongSelf._selectedIndex = index
//                strongSelf.selectedIndexChanged(index)
//                if let layout = strongSelf.validLayout {
//                    let _ = strongSelf.updateLayout(layout, transition: .animated(duration: 0.2, curve: .slide))
//                }
//            }
//        })
//    }
//    
//    public override func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
//        return self.selectionNode.frame.contains(gestureRecognizer.location(in: self.view))
//    }
//    
//    @objc private func panGesture(_ recognizer: UIPanGestureRecognizer) {
//        let location = recognizer.location(in: self.view)
//        switch recognizer.state {
//            case .changed:
//                if !self.selectionNode.frame.contains(location) {
//                    let point = CGPoint(x: max(0.0, min(self.bounds.width, location.x)), y: 1.0)
//                    for i in 0 ..< self.itemNodes.count {
//                        let itemNode = self.itemNodes[i]
//                        if itemNode.frame.contains(point) {
//                            if i != self.gestureSelectedIndex {
//                                self.gestureSelectedIndex = i
//                                self.updateButtonsHighlights(highlightedIndex: nil, gestureSelectedIndex: i)
//                                if let layout = self.validLayout {
//                                    let _ = self.updateLayout(layout, transition: .animated(duration: 0.35, curve: .slide))
//                                }
//                            }
//                            break
//                        }
//                    }
//                }
//            case .ended:
//                if let gestureSelectedIndex = self.gestureSelectedIndex {
//                    if gestureSelectedIndex != self.selectedIndex  {
//                        self.selectedIndexShouldChange(gestureSelectedIndex, { [weak self] commit in
//                            if let strongSelf = self {
//                                if commit {
//                                    strongSelf._selectedIndex = gestureSelectedIndex
//                                    strongSelf.selectedIndexChanged(gestureSelectedIndex)
//                                } else {
//                                    if let layout = strongSelf.validLayout {
//                                        let _ = strongSelf.updateLayout(layout, transition: .animated(duration: 0.2, curve: .slide))
//                                    }
//                                }
//                            }
//                        })
//                    }
//                    self.gestureSelectedIndex = nil
//                }
//                self.updateButtonsHighlights(highlightedIndex: nil, gestureSelectedIndex: nil)
//            default:
//                break
//        }
//    }
//}