//
//  View+.swift
//  IOS_study
//
//  Created by CC-star on 2025/6/12.
//

import SwiftUI

extension View{
   
   //矩形圆角
   func radius(_ radius: CGFloat = 4) -> some View{ clipShape(RoundedRectangle(cornerRadius: radius)) }
//   func radius2(_ radius: CGFloat = 4) -> some View{ clipShape(RoundedRectangle(cornerRadius: radius)) }
   func border(radius: CGFloat = 4, borderColor: Color) -> some View{
      overlay { RoundedRectangle(cornerRadius: radius).strokeBorder(borderColor, lineWidth: 1) }
   }
   
   //颜色
   func tc() -> some View{ foregroundStyle(.aTC) }
   func tc2() -> some View{ foregroundStyle(.aTC2) }
   func secondary() -> some View{ foregroundStyle(.secondary) }
   func accent() -> some View{ foregroundStyle(.accent) }
   func white() -> some View{ foregroundStyle(.white) }
   func red() -> some View{ foregroundStyle(.red) }
   func purple() -> some View{ foregroundStyle(.purple) }
   func bg() -> some View{ background(Color.aBG) }
   func bg2() -> some View{ background(Color.aBG2) }
   
   //字体大小
   func size11() -> some View{ font(.system(size: 11)) }
   func size12() -> some View{ font(.system(size: 12)) }
   func size13() -> some View{ font(.system(size: 13)) }
   func size13s() -> some View{ size13().secondary() }
   func size14() -> some View{ font(.system(size: 14)) }
   func size15() -> some View{ font(.system(size: 15)) }
   func size16() -> some View{ font(.system(size: 16)) }
   func size16semib() -> some View{ font(.system(size: 16)).semib() }
   func size17() -> some View{ font(.system(size: 17)) }
   func headline() -> some View{ font(.headline) }
   func size18b() -> some View{ font(.system(size: 18)).bold() }
   func size18ab() -> some View{ font(.system(size: 18)).bold().accent() }
   func size20b() -> some View{ font(.title3).bold() }
   
   //字体粗细
   func med() -> some View{ fontWeight(.medium) }
   func semib() -> some View{ fontWeight(.semibold) }
   
   func push(to alignment: Alignment) -> some View {
      frame(maxWidth: .infinity, alignment: alignment)
   }
   
   
   func allowMulti() -> some View{
      fixedSize(horizontal: false, vertical: true).textSelection(.enabled).multilineTextAlignment(.leading)
   }
   
}

extension Color{
   static let labeBG = Color(.systemFill)
   static let labelBG2 = Color(.systemGray5)
   static let bg = Color.aBG
}


// MARK: - 让右滑返回上一页有效
extension UINavigationController: @retroactive UIGestureRecognizerDelegate {
   override open func viewDidLoad() {
      super.viewDidLoad()
      interactivePopGestureRecognizer?.delegate = self
   }
   
   public func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool { return viewControllers.count > 1 }

   public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool { true }
}