//
//  UIView+Alert.swift
//  PaiAi
//
//  Created by mac on 16/5/12.
//  Copyright © 2016年 FFIB. All rights reserved.
//

import UIKit
public enum AnimationStyle {
    case bottom
    case middle
    case left
}

extension UIView : CAAnimationDelegate, UIGestureRecognizerDelegate {
    var animationStyle: AnimationStyle {
        get {
            return objc_getAssociatedObject(self, UnsafeRawPointer(bitPattern: "animationStyle".hashValue)) as! AnimationStyle
        }

        set {
            objc_setAssociatedObject(self, UnsafeRawPointer(bitPattern: "animationStyle".hashValue), newValue, .OBJC_ASSOCIATION_COPY_NONATOMIC)
        }
    }

    func showShiftAnimatied() {
        let animation = CATransition()
        animation.duration = 0.2
        animation.subtype = kCATransitionFromTop
        animation.type = kCATransitionMoveIn
        let tap = UITapGestureRecognizer(target: self, action: #selector(dismissBottomAnimated))
        tap.delegate = self
        self.superview?.addGestureRecognizer(tap)
        self.layer.add(animation, forKey: nil)
    }
    func showAnimated() {
        animationStyle = .middle
        let animation = CAKeyframeAnimation(keyPath: "transform")
        animation.duration = 0.2
        let array = [NSValue(caTransform3D: CATransform3DMakeScale(0.1, 0.1, 1.0)), NSValue(caTransform3D: CATransform3DMakeScale(1.0, 1.0, 1.0))]
        animation.values = array as [AnyObject]
        let tap = UITapGestureRecognizer(target: self, action: #selector(dismissAnimated))
        tap.delegate = self
        self.superview?.addGestureRecognizer(tap)
        self.layer.add(animation, forKey: nil)
    }

    func showBottomAnimated() {
        animationStyle = .bottom
        showShiftAnimatied()
    }

    func dismissBottomAnimated() {
        let position = self.layer.position
        let positions = CGPoint(x: kScreenWidth / 2, y: kScreenHeight + self.height)
        let basicPosition = CABasicAnimation(keyPath: "position")
        basicPosition.delegate = self
        basicPosition.fromValue = NSValue(cgPoint: position)
        basicPosition.toValue = NSValue(cgPoint: positions)
        basicPosition.duration = 0.2
        basicPosition.fillMode = kCAFillModeForwards
        basicPosition.isRemovedOnCompletion = false

        self.layer.add(basicPosition, forKey: nil)
    }

    func dismissAnimated() {
        let animation = CAKeyframeAnimation(keyPath: "transform")
        animation.duration = 0.4
        let array = [NSValue(caTransform3D: CATransform3DMakeScale(1.0, 1.0, 1.0)), NSValue(caTransform3D: CATransform3DMakeScale(1.2, 1.2, 1.0)), NSValue(caTransform3D: CATransform3DMakeScale(0.1, 0.1, 1.0))]
        animation.values = array as [AnyObject]
        animation.delegate = self
        animation.isRemovedOnCompletion = false
        animation.fillMode = kCAFillModeForwards

        self.layer.add(animation, forKey: nil)
    }

    public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
        if (touch.view?.superview?.isKind(of: UITableViewCell.classForCoder()))! {
            return false
        }
        return true
    }

    public func animationDidStop(_ anim: CAAnimation, finished flag: Bool) {
            self.getCurrentViewController().removeControllerAndViewFromParent()
    }

}