//
//  IBView.swift
//  MTP2_iOS
//
//  Created by zhongyuan on 2018/3/17.
//  Copyright © 2018年 zhongyuan.All rights reserved.
//

import UIKit

@IBDesignable
class IBView: UIView {
    @IBInspectable var 圆角偏移量:CGFloat = 0.0
    @IBInspectable var 圆角倍数:CGPoint = CGPoint.init(x: 0, y: 0)
    @IBInspectable var maskToBounds:Bool = false
    @IBInspectable var borderColor:UIColor = UIColor.clear
    @IBInspectable var borderWidth:CGFloat = 0.0
    @IBInspectable var shadowOffset: CGSize = CGSize.zero {
        
        didSet {
            
            self.layer.shadowOffset = shadowOffset
        }
    }
    @IBInspectable var shadowColor: UIColor = UIColor.clear {
        
        didSet {
            
            self.layer.shadowColor = shadowColor.cgColor
        }
    }
    @IBInspectable var shadowRadius: CGFloat = 0 {
        
        didSet {
            
            self.layer.shadowRadius = shadowRadius
        }
    }
    @IBInspectable var shadowOpacity: Float = 0 {
        
        didSet {
            
            self.layer.shadowOpacity = shadowOpacity
        }
    }
    @IBInspectable var 渐变颜色: UIColor = UIColor.white {
        
        didSet {
            
            let layer = CAGradientLayer()
            layer.colors = [渐变颜色.cgColor, UIColorFromHex(rgbValue: 0xF5594B,alpha: 0.5).cgColor]
            layer.frame = self.bounds
            layer.locations = [0.1]
            layer.startPoint = CGPoint(x: 0, y: 0)
            layer.endPoint = CGPoint(x: 0, y: 1)
            self.layer.addSublayer(layer)
        }
    }
    
    
    static func refreshIBEffect(view:UIView){           /**<    刷新 IBInspectable 的效果 */
        guard let 圆角倍数:CGPoint = view.value(forKey:"圆角倍数") as? CGPoint,
            let 圆角偏移量:CGFloat = view.value(forKey:"圆角偏移量") as? CGFloat,
            let maskToBounds:Bool = view.value(forKey:"maskToBounds") as? Bool,
            let borderColor:UIColor = view.value(forKey:"borderColor") as? UIColor,
            let borderWidth:Double = view.value(forKey:"borderWidth") as? Double else { return }
        
        let cornerRadiusRatio: CGPoint = 圆角倍数
        let cornerRadiusOffset: CGFloat = 圆角偏移量
        
        view.layer.cornerRadius = cornerRadiusRatio.x * view.frame.size.width
            + cornerRadiusRatio.y * view.frame.size.height
            + cornerRadiusOffset
        view.layer.masksToBounds = maskToBounds
        view.layer.borderColor = borderColor.cgColor
        view.layer.borderWidth = CGFloat(borderWidth)
        
        view.layer.sublayers?.forEach({
            
            if $0.isMember(of: CAGradientLayer.self) {
                
                $0.frame = view.frame
            }
        })
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        IBView.refreshIBEffect(view: self)
    }
}

@IBDesignable
class IBLabel:UILabel{
    @IBInspectable var 圆角偏移量:CGFloat = 0.0
    @IBInspectable var 圆角倍数:CGPoint = CGPoint.init(x: 0, y: 0)
    @IBInspectable var maskToBounds:Bool = false
    @IBInspectable var borderColor:UIColor = UIColor.clear
    @IBInspectable var borderWidth:CGFloat = 0.0
    private var padding = UIEdgeInsets.zero
    
    @IBInspectable var paddingLeft: CGFloat {
        get { return padding.left }
        set { padding.left = newValue }
    }
    
    @IBInspectable var paddingRight: CGFloat {
        get { return padding.right }
        set { padding.right = newValue }
    }
    
    @IBInspectable var paddingTop: CGFloat {
        get { return padding.top }
        set { padding.top = newValue }
    }
    
    @IBInspectable var paddingBottom: CGFloat {
        get { return padding.bottom }
        set { padding.bottom = newValue }
    }
    
    override func drawText(in rect: CGRect) {
        super.drawText(in: (CGRect.inset(rect))(by: padding)) //UIEdgeInsetsInsetRect(rect, padding))
    }
    
    override func textRect(forBounds bounds: CGRect, limitedToNumberOfLines numberOfLines: Int) -> CGRect {
        let insets = self.padding
        var rect = super.textRect(forBounds: (CGRect.inset(bounds))(by: insets), limitedToNumberOfLines: numberOfLines)
        rect.origin.x -= insets.left
        rect.origin.y -= insets.top
        rect.size.width += (insets.left + insets.right)
        rect.size.height += (insets.top + insets.bottom)
        return rect
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        IBView.refreshIBEffect(view: self)
    }
}

@IBDesignable
class IBImageView: UIImageView {
    @IBInspectable var 圆角偏移量:CGFloat = 0.0
    @IBInspectable var 圆角倍数:CGPoint = CGPoint.init(x: 0, y: 0)
    @IBInspectable var maskToBounds:Bool = false
    @IBInspectable var borderColor:UIColor = UIColor.clear
    @IBInspectable var borderWidth:CGFloat = 0.0
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        IBView.refreshIBEffect(view: self)
    }
}

fileprivate var backGroundColorString = "backGroundColorString"
@IBDesignable
extension UIView {
    var x: CGFloat {
        get { return frame.origin.x }
        set(newValue) {
            var tmpFrame : CGRect = frame
            tmpFrame.origin.x  = newValue
            frame = tmpFrame
        }
    }
    
    var y: CGFloat {
        get { return frame.origin.y }
        set(newValue) {
            var tmpFrame : CGRect = frame
            tmpFrame.origin.y = newValue
            frame = tmpFrame
        }
    }
    
    var height: CGFloat {
        get { return frame.size.height }
        set(newValue) {
            var tmpFrame : CGRect = frame
            tmpFrame.size.height = newValue
            frame = tmpFrame
        }
    }
    
    var width: CGFloat {
        get { return frame.size.width }
        set(newValue) {
            var tmpFrame: CGRect = frame
            tmpFrame.size.width = newValue
            frame = tmpFrame
        }
    }
    
    var left: CGFloat {
        get { return x }
        set(newValue) { x = newValue }
    }
    
    var right: CGFloat {
        get { return x + width }
        set(newVal) { x = newVal - width }
    }
    
    var top: CGFloat {
        get { return y }
        set(newVal) { y = newVal }
    }
    
    var bottom: CGFloat {
        get { return y + height }
        set(newVal) { y = newVal - height }
    }
    
    var centerX: CGFloat {
        get { return center.x }
        set(newVal) { center = CGPoint(x: newVal, y: center.y) }
    }
    
    var centerY: CGFloat {
        get { return center.y }
        set(newVal) { center = CGPoint(x: center.x, y: newVal) }
    }
    
    var middleX: CGFloat {
        get { return width / 2 }
    }
    
    var middleY: CGFloat {
        get { return height / 2 }
    }
    
    var middlePoint: CGPoint {
        get { return CGPoint(x: middleX, y: middleY) }
    }
    
    /// SlideSegmentView调用
    var bx : CGFloat { return self.x + self.width }
    
    /// 是否参与颜色修改
    @IBInspectable var colorFlag: Bool {
        
        get {
            
            return objc_getAssociatedObject(self, &backGroundColorString) as! Bool
        }
        
        set {
            objc_setAssociatedObject(self, &backGroundColorString, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
        }
    }
}

fileprivate var backGroundColorAnim = "backGroundColorAnim"
fileprivate var backGroundColorAnimColor = "backGroundColorAnimColor"
extension UIView {
    
    @IBInspectable var showTapAnim: Bool {
        
        get {
            
            return objc_getAssociatedObject(self, &backGroundColorAnim) as! Bool
        }
        
        set {
            
            objc_setAssociatedObject(self, &backGroundColorAnim, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
            
            if newValue {
                
                allCanTap(sender: self)
                let tap = UITapGestureRecognizer(target: self, action: #selector(tapAnimation))
                self.addGestureRecognizer(tap)
            }
        }
    }
    
    @IBInspectable var tapAnimColor: UIColor {
        
        get {
            
            return objc_getAssociatedObject(self, &backGroundColorAnimColor) as! UIColor
        }
        
        set {
            
            objc_setAssociatedObject(self, &backGroundColorAnimColor, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
        }
    }
    
    /// 设置该view所有的子级view都可以点击
    ///
    /// - Parameter sender: 需要设置的view
    private func allCanTap(sender: UIView) {
        
        if let sender = sender as? UIStackView {
            
            sender.arrangedSubviews.forEach({
                
                $0.isUserInteractionEnabled = true
                allCanTap(sender: $0)
            })
        } else {
            
            sender.subviews.forEach({
                
                $0.isUserInteractionEnabled = true
                allCanTap(sender: $0)
            })
        }
    }
    
    
    
    @objc private func tapAnimation() {
        
        let tmpView = UIView(frame: self.bounds)
        tmpView.backgroundColor = tapAnimColor.withAlphaComponent(0.3)
        tmpView.alpha = 0
        self.addSubview(tmpView)
        
        UIView.animate(withDuration: 0.20, delay: 0, options: .curveEaseIn, animations: {
            
            tmpView.alpha = 0.8
        }) { (finished) in
            
            UIView.animate(withDuration: 0.20, delay: 0.1, options: .curveEaseOut, animations: {
                
                tmpView.alpha = 0
            }, completion: { (finished) in
                
                tmpView.removeFromSuperview()
            })
        }
    }
}

extension UIColor {
    /**
     Create a ligher color
     */
    func lighter(by percentage: CGFloat = 30.0) -> UIColor {
        return self.adjustBrightness(by: abs(percentage))
    }
    
    /**
     Create a darker color
     */
    func darker(by percentage: CGFloat = 30.0) -> UIColor {
        return self.adjustBrightness(by: -abs(percentage))
    }
    
    /**
     Try to increase brightness or decrease saturation
     */
    func adjustBrightness(by percentage: CGFloat = 30.0) -> UIColor {
        var h: CGFloat = 0, s: CGFloat = 0, b: CGFloat = 0, a: CGFloat = 0
        if self.getHue(&h, saturation: &s, brightness: &b, alpha: &a) {
            if b < 1.0 {
                let newB: CGFloat = max(min(b + (percentage/100.0)*b, 1.0), 0,0)
                return UIColor(hue: h, saturation: s, brightness: newB, alpha: a)
            } else {
                let newS: CGFloat = min(max(s - (percentage/100.0)*s, 0.0), 1.0)
                return UIColor(hue: h, saturation: newS, brightness: b, alpha: a)
            }
        }
        return self
    }
}