//
//  CGMutablePath+SPAdd.swift
//  ShortPlay
//
//  Created by 曾觉新 on 2025/4/14.
//

import UIKit

/** 圆角大小 */
struct SPCirculars {
    var topLeft:CGFloat = 0
    var topRight:CGFloat = 0
    var bottomLeft:CGFloat = 0
    var bottomRight:CGFloat = 0

    public static let zero = SPCirculars(topLeft: 0, topRight: 0, bottomLeft: 0, bottomRight: 0)
    public init(topLeft: CGFloat, topRight:CGFloat, bottomLeft:CGFloat, bottomRight:CGFloat) {
        self.topLeft = topLeft
        self.topRight = topRight
        self.bottomLeft = bottomLeft
        self.bottomRight = bottomRight
    }
    static func ==(v1:SPCirculars, v2:SPCirculars) -> Bool {
        return v1.bottomLeft == v2.bottomLeft
            && v1.bottomRight == v2.bottomRight
            && v1.topLeft == v2.topLeft
            && v1.topRight == v2.topRight
    }
    static func !=(v1:SPCirculars, v2:SPCirculars) -> Bool {
        return !(v1 == v2)
    }
}

extension CGMutablePath {
    func addRadiusRectangle(_ circulars: SPCirculars, rect: CGRect) {
        let minX = rect.minX
        let minY = rect.minY
        let maxX = rect.maxX
        let maxY = rect.maxY
        
        //获取四个圆心
        let topLeftCenterX = minX +  circulars.topLeft
        let topLeftCenterY = minY + circulars.topLeft
         
        let topRightCenterX = maxX - circulars.topRight
        let topRightCenterY = minY + circulars.topRight
        
        let bottomLeftCenterX = minX +  circulars.bottomLeft
        let bottomLeftCenterY = maxY - circulars.bottomLeft
         
        let bottomRightCenterX = maxX -  circulars.bottomRight
        let bottomRightCenterY = maxY - circulars.bottomRight
        
         //顶 左
        addArc(center: CGPoint(x: topLeftCenterX, y: topLeftCenterY), radius: circulars.topLeft, startAngle: CGFloat.pi, endAngle: CGFloat.pi * 3 / 2, clockwise: false)
        //顶右
        addArc(center: CGPoint(x: topRightCenterX, y: topRightCenterY), radius: circulars.topRight, startAngle: CGFloat.pi * 3 / 2, endAngle: 0, clockwise: false)
        //底右
        addArc(center: CGPoint(x: bottomRightCenterX, y: bottomRightCenterY), radius: circulars.bottomRight, startAngle: 0, endAngle: CGFloat.pi / 2, clockwise: false)
        //底左
        addArc(center: CGPoint(x: bottomLeftCenterX, y: bottomLeftCenterY), radius: circulars.bottomLeft, startAngle: CGFloat.pi / 2, endAngle: CGFloat.pi, clockwise: false)
        closeSubpath();

    }
}