//
//  LayoutConstraint.swift
//  MusicPlayer
//
//  Created by Mr.Zhou on 2024/3/27.
//

import UIKit
import Foundation
//全局导入SnapKit库
@_exported import SnapKit
//MARK: - 约束布局适配扩展
extension NSLayoutConstraint {
    ///是否等比调整约束
    @IBInspectable var adapterScreen: Bool {
        get {
            return true
        }
        set {
            if newValue {
               self.constant = self.constant * width
            }

        }
    }
    
    /// 更改乘数约束
    /// - Parameter multiplier: 比例值
    /// - Returns: 更新后的约束
    func setMultiplier(multiplier:CGFloat) -> NSLayoutConstraint {
        NSLayoutConstraint.deactivate([self])
        let newConstraint = NSLayoutConstraint(
            item: firstItem as Any,
            attribute: firstAttribute,
            relatedBy: relation,
            toItem: secondItem,
            attribute: secondAttribute,
            multiplier: multiplier,
            constant: constant)
        newConstraint.priority = priority
        newConstraint.shouldBeArchived = self.shouldBeArchived
        newConstraint.identifier = self.identifier
        NSLayoutConstraint.activate([newConstraint])
        return newConstraint
    }
}
//MARK: - CALayer扩展
extension CALayer {
    ///设置边线颜色
    var borderUIColor: UIColor {
        get {
            return UIColor(cgColor: self.borderColor!)
        } set {
            self.borderColor = newValue.cgColor
        }
    }
}
//MARK: - UIView扩展
extension UIView {
    ///圆角值
    @IBInspectable var cornerRadius: CGFloat {
        get {
            return layer.cornerRadius
        } set {
            layer.masksToBounds = (newValue > 0)
            layer.cornerRadius = newValue * width
        }
    }
    ///边线宽度
    @IBInspectable var borderWidth: CGFloat {
        get {
            return layer.borderWidth
        } set {
            layer.borderWidth = newValue
        }
    }
    ///边线颜色
    @IBInspectable var borderColor: UIColor {
        get {
            return layer.borderUIColor
        } set {
            layer.borderColor = newValue.cgColor
        }
    }
}