//
//  UIView+Extension.swift
//
//
//  Created by LXF on 16/3/29.
//  Copyright © 2016年 LXF. All rights reserved.
//

import Foundation
import UIKit


extension UIView {
    //MARK: - storyboard上添加属性 可以直接配置 省得每次都要代码实现
    // border 宽度
    @IBInspectable var borderWidth: CGFloat {
        get {
            return self.layer.borderWidth
        }
        set {
            self.layer.borderWidth = newValue
        }
    }
    // border的颜色
    @IBInspectable var borderColor: UIColor {
        get {
            return UIColor(cgColor: self.layer.borderColor!)
        }
        set {
            self.layer.borderColor = newValue.cgColor
        }
    }
    // 圆角
    @IBInspectable var cornerRadius: CGFloat {
        get {
            return self.layer.cornerRadius
        }
        set {
            self.layer.cornerRadius = newValue
            self.layer.masksToBounds = newValue > 0
        }
    }
    
    
    
    func setAnchorConstraintsFullSizeTo(view: UIView, padding: CGFloat = 0) {
        self.translatesAutoresizingMaskIntoConstraints = false
        self.topAnchor.constraint(equalTo: view.topAnchor, constant: padding).isActive = true
        self.bottomAnchor.constraint(equalTo: view.bottomAnchor, constant: -padding).isActive = true
        self.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: padding).isActive = true
        self.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -padding).isActive = true
    }
    
    func createLineView(_ frame:CGRect,_ color:UIColor) -> UIView {
        self.frame = frame
        self.backgroundColor = color
        return self
    }
    
    /// 裁剪 view 的圆角
    func clipRectCorner(direction: UIRectCorner, cornerRadius: CGFloat) {
        let cornerSize = CGSize(width: cornerRadius, height: cornerRadius)
        let maskPath = UIBezierPath(roundedRect: bounds, byRoundingCorners: direction, cornerRadii: cornerSize)
        let maskLayer = CAShapeLayer()
        maskLayer.frame = bounds
        maskLayer.path = maskPath.cgPath
        layer.addSublayer(maskLayer)
        layer.mask = maskLayer
    }
    
    public var x: CGFloat{
        get{
            return self.frame.origin.x
        }
        set{
            var r = self.frame
            r.origin.x = newValue
            self.frame = r
        }
    }

    public var y: CGFloat{
        get{
            return self.frame.origin.y
        }
        set{
            var r = self.frame
            r.origin.y = newValue
            self.frame = r
        }
    }
    /// 右边界的x值
    public var rightX: CGFloat{
        get{
            return self.x + self.width
        }
        set{
            var r = self.frame
            r.origin.x = newValue - frame.size.width
            self.frame = r
        }
    }
    /// 下边界的y值
    public var bottomY: CGFloat{
        get{
            return self.y + self.height
        }
        set{
            var r = self.frame
            r.origin.y = newValue - frame.size.height
            self.frame = r
        }
    }

    public var centerX : CGFloat{
        get{
            return self.center.x
        }
        set{
            self.center = CGPoint(x: newValue, y: self.center.y)
        }
    }

    public var centerY : CGFloat{
        get{
            return self.center.y
        }
        set{
            self.center = CGPoint(x: self.center.x, y: newValue)
        }
    }
    
    
    
    // MARK: - UIView 圆角
    /// 切圆角
    ///
    /// - Parameter cornerRadius: 圆角半径
    func roundedCorners(cornerRadius: CGFloat) {
        roundedCorners(cornerRadius: cornerRadius, borderWidth: 0, borderColor: nil)
    }
    
    /// 圆角边框设置
    ///
    /// - Parameters:
    ///   - cornerRadius: 圆角半径
    ///   - borderWidth: 边款宽度
    ///   - borderColor: 边款颜色
    func roundedCorners(cornerRadius: CGFloat?, borderWidth: CGFloat?, borderColor: UIColor?) {
        self.layer.cornerRadius = cornerRadius!
        self.layer.borderWidth = borderWidth!
        self.layer.borderColor = borderColor?.cgColor
        self.layer.masksToBounds = true
    }
    
    /// 设置指定角的圆角
    ///
    /// - Parameters:
    ///   - cornerRadius: 圆角半径
    ///   - rectCorner: 指定切圆角的角
    func roundedCorners(cornerRadius: CGFloat?, rectCorner: UIRectCorner?) {
        let path = UIBezierPath(roundedRect: self.bounds, byRoundingCorners: rectCorner!, cornerRadii: CGSize(width: cornerRadius!, height: cornerRadius!))
        let layer = CAShapeLayer()
        layer.frame = self.bounds
        layer.path = path.cgPath
        self.layer.mask = layer
    }
    
    /// EZSwiftExtensions
    public func setCornerRadius(radius: CGFloat) {
        self.layer.cornerRadius = radius
        self.layer.masksToBounds = true
    }
    
    //画线
    private func drawBorder(rect:CGRect,color:UIColor){
        let line = UIBezierPath(rect: rect)
        let lineShape = CAShapeLayer()
        lineShape.path = line.cgPath
        lineShape.fillColor = color.cgColor
        self.layer.addSublayer(lineShape)
    }
    
    //设置右边框
    public func rightBorder(width:CGFloat,borderColor:UIColor){
        let rect = CGRect(x: 0, y: self.frame.size.width - width, width: width, height: self.frame.size.height)
        drawBorder(rect: rect, color: borderColor)
    }
    //设置左边框
    public func leftBorder(width:CGFloat,borderColor:UIColor){
        let rect = CGRect(x: 0, y: 0, width: width, height: self.frame.size.height)
        drawBorder(rect: rect, color: borderColor)
    }
    //设置上边框
    public func topBorder(width:CGFloat,borderColor:UIColor){
        let rect = CGRect(x: 0, y: 0, width: self.frame.size.width, height: width)
        drawBorder(rect: rect, color: borderColor)
    }
    //设置底边框
    public func buttomBorder(width:CGFloat,borderColor:UIColor){
        let rect = CGRect(x: 0, y: self.frame.size.height-width, width: self.frame.size.width, height: width)
        drawBorder(rect: rect, color: borderColor)
    }




}


// MARK: Gesture Extensions
extension UIView {
    
    /// EZSwiftExtensions
    public func addShadow(offset: CGSize, radius: CGFloat, color: UIColor, opacity: Float, cornerRadius: CGFloat? = nil) {
        self.layer.shadowOffset = offset
        self.layer.shadowRadius = radius
        self.layer.shadowOpacity = opacity
        self.layer.shadowColor = color.cgColor
        if let r = cornerRadius {
            self.layer.shadowPath = UIBezierPath(roundedRect: bounds, cornerRadius: r).cgPath
        }
    }
    
    /// http://stackoverflow.com/questions/4660371/how-to-add-a-touch-event-to-a-uiview/32182866#32182866
    /// EZSwiftExtensions
    public func addTapGesture(tapNumber: Int = 1, target: AnyObject, action: Selector) {
        let tap = UITapGestureRecognizer(target: target, action: action)
        tap.numberOfTapsRequired = tapNumber
        addGestureRecognizer(tap)
        isUserInteractionEnabled = true
    }
    
    /// EZSwiftExtensions - Make sure you use  "[weak self] (gesture) in" if you are using the keyword self inside the closure or there might be a memory leak
    public func addTapGesture(tapNumber: Int = 1, action: ((UITapGestureRecognizer) -> Void)?) {
        let tap = BlockTap(tapCount: tapNumber, fingerCount: 1, action: action)
        addGestureRecognizer(tap)
        isUserInteractionEnabled = true
    }
    
    /// EZSwiftExtensions
    public func addSwipeGesture(direction: UISwipeGestureRecognizer.Direction, numberOfTouches: Int = 1, target: AnyObject, action: Selector) {
        let swipe = UISwipeGestureRecognizer(target: target, action: action)
        swipe.direction = direction
        
        #if os(iOS)
        
        swipe.numberOfTouchesRequired = numberOfTouches
        
        #endif
        
        addGestureRecognizer(swipe)
        isUserInteractionEnabled = true
    }
    
    /// EZSwiftExtensions - Make sure you use  "[weak self] (gesture) in" if you are using the keyword self inside the closure or there might be a memory leak
    public func addSwipeGesture(direction: UISwipeGestureRecognizer.Direction, numberOfTouches: Int = 1, action: ((UISwipeGestureRecognizer) -> Void)?) {
        let swipe = BlockSwipe(direction: direction, fingerCount: numberOfTouches, action: action)
        addGestureRecognizer(swipe)
        isUserInteractionEnabled = true
    }
    
    /// EZSwiftExtensions
    public func addPanGesture(target: AnyObject, action: Selector) {
        let pan = UIPanGestureRecognizer(target: target, action: action)
        addGestureRecognizer(pan)
        isUserInteractionEnabled = true
    }
    
    /// EZSwiftExtensions - Make sure you use  "[weak self] (gesture) in" if you are using the keyword self inside the closure or there might be a memory leak
    public func addPanGesture(action: ((UIPanGestureRecognizer) -> Void)?) {
        let pan = BlockPan(action: action)
        addGestureRecognizer(pan)
        isUserInteractionEnabled = true
    }
    
    
    public func removeSubviews() {
        for subview in subviews {
            subview.removeFromSuperview()
        }
    }
}