//
//  SRPanModalContentView.swift
//  SynthReel
//
//  Created by 湖北秦九 on 2025/11/18.
//  Copyright © 2025 SR. All rights reserved.
//

import UIKit
import HWPanModal
import SnapKit

class SRPanModalContentView: HWPanModalContentView {

    
    var contentHeight = UIScreen.height * (2 / 3)
    
    var bgImage: UIImage? = UIImage(named: "pan_bg_image_01")

    
    ///更新UI  contentSize发生变化时调用
    func setNeedsLayoutUpdate() {
        self.panModalSetNeedsLayoutUpdate()
    }
    
    lazy var bgImageView: UIImageView = {
        let imageView = UIImageView(image: bgImage)
        return imageView
    }()
    
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        addSubview(bgImageView)
        
        bgImageView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
    }
    
    // 子类更新背景图
    func updateBackgroundImage(_ img: UIImage?) {
        self.bgImage = img
        self.bgImageView.image = img
    }
    
    // 子类更新高度
    func updateContentHeight(_ height: CGFloat) {
        self.contentHeight = height
        self.panModalSetNeedsLayoutUpdate()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //MARK: HWPanModalPresentable
    override func panScrollable() -> UIScrollView? {
        return nil
    }
    
    override func longFormHeight() -> PanModalHeight {
        return PanModalHeightMake(.content, contentHeight)
    }
    
    override func showDragIndicator() -> Bool {
        return false
    }
    
    override func backgroundConfig() -> HWBackgroundConfig {
        let config = HWBackgroundConfig()
        config.backgroundAlpha = 0.6
        return config
    }
    
    override func allowsTapBackgroundToDismiss() -> Bool {
        return true
    }
    
    override func allowsDragToDismiss() -> Bool {
        return false
    }
    
    override func allowsPullDownWhenShortState() -> Bool {
        return false
    }
    
    override func showsScrollableVerticalScrollIndicator() -> Bool {
        return false
    }
    
    override func springDamping() -> CGFloat {
        return 1
    }
    
    override func cornerRadius() -> CGFloat {
        return 0
    }
}