SynthReel/SynthReel/Class/Player/VM/V/SRDetailRecommendview.swift

//
//  SRDetailRecommendview.swift
//  SynthReel
//
//  Created by CSGY on 2025/11/27.
//  Copyright © 2025 SR. All rights reserved.
//

import UIKit
import FSPagerView

class SRDetailRecommendview: SRBaseAlert {
    
    var clickCloseButton: (() -> Void)?
    var didSelectedVideo: ((_ model: SRShortModel) -> Void)?
    
    var dataArr: [SRShortModel] = [] {
        didSet {
            self.pagerView.reloadData()
            
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) { [weak self] in
                self?.updateCurrentData()
            }
        }
    }
    
    private weak var currentCell: SRDetailRecommendCell? {
        didSet {
            oldValue?.pause()
            
            currentCell?.play()
        }
    }
    
    private lazy var titleLabel: SRLabel = {
        let label = SRLabel()
        label.font = .font(ofSize: 16, weight: .init(900))
        label.textColors = [UIColor._4_CFFD_4.cgColor, UIColor._51_D_4_FF.cgColor]
        label.textStartPoint = .init(x: 0.5, y: 0)
        label.textEndPoint = .init(x: 0.5, y: 1)
        label.text = "Keep the Drama Going".localized
        return label
    }()
    
    private lazy var bgView: UIImageView = {
        let view = UIImageView(image: UIImage(named: "recommendBg"))
        view.isUserInteractionEnabled = true
        return view
    }()
    
    private lazy var cancelButton: UIButton = {
        let button = UIButton(type: .custom)
        button.setImage(UIImage(named: "Close"), for: .normal)
        button.addTarget(self, action: #selector(handleCancelButton), for: .touchUpInside)
        return button
    }()
    
    private lazy var pagerView: FSPagerView = {
        let transformer = SRPagerViewTransformer(type: .linear)
        transformer.minimumScale = 1
       
        let view = FSPagerView()
        view.itemSize = .init(width: 132, height: 185)
        view.transformer = transformer
        view.delegate = self
        view.dataSource = self
        view.isInfinite = true
        view.interitemSpacing = 8
        view.register(SRDetailRecommendCell.self, forCellWithReuseIdentifier: "cell")
        return view
    }()
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        contentWidth = UIScreen.width
        self.closeButton.isHidden = true
        
        self.contentView.backgroundColor = .clear
        self.contentView.layer.cornerRadius = 0
        self.contentView.layer.masksToBounds = false
        
        fa_setupLayout()
    }
    
    @MainActor required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    
    @objc private func handleCancelButton() {
        self.dismiss()
        self.clickCloseButton?()
    }
    
    ///更新当前数据
    private func updateCurrentData() {
        guard let cell = self.pagerView.cellForItem(at: self.pagerView.currentIndex) as? SRDetailRecommendCell else { return }
        
        self.currentCell = cell
//        let model = cell.model
//        self.videoNameLabel.text = model?.name
    }
    
}

extension SRDetailRecommendview {
    
    private func fa_setupLayout() {
        contentView.addSubview(bgView)
        contentView.addSubview(cancelButton)
        bgView.addSubview(titleLabel)
        bgView.addSubview(pagerView)
        
        
        bgView.snp.makeConstraints { make in
            make.left.right.equalToSuperview().inset(15)
            make.top.equalToSuperview().offset(-25)
//            make.bottom.e()
        }
        
        titleLabel.snp.makeConstraints { make in
            make.top.equalTo(17)
            make.centerX.equalToSuperview()
        }
        
        pagerView.snp.makeConstraints { make in
            make.left.right.equalToSuperview().inset(10)
            make.bottom.equalTo(-17)
            make.top.equalTo(titleLabel.snp.bottom).offset(10)
        }
                
        cancelButton.snp.makeConstraints { make in
            make.centerX.equalToSuperview()
            make.top.equalTo(bgView.snp.bottom).offset(30)
            make.bottom.equalToSuperview()
        }
        
       
    }
    
}

//MARK: FSPagerViewDelegate FSPagerViewDataSource
extension SRDetailRecommendview: FSPagerViewDelegate, FSPagerViewDataSource {
    
    func pagerView(_ pagerView: FSPagerView, cellForItemAt index: Int) -> FSPagerViewCell {
        let cell = pagerView.dequeueReusableCell(withReuseIdentifier: "cell", at: index) as! SRDetailRecommendCell
        cell.model = self.dataArr[index]
        return cell
    }
    
    func numberOfItems(in pagerView: FSPagerView) -> Int {
        return self.dataArr.count
    }
    
    func pagerView(_ pagerView: FSPagerView, didSelectItemAt index: Int) {
        didSelectedVideo?(self.dataArr[index])
        self.dismiss()
    }
    
    func pagerViewDidEndDecelerating(_ pagerView: FSPagerView) {
        self.updateCurrentData()
    }
    
}

extension SRDetailRecommendview {
    
    class PageControl: UIPageControl{
        override func size(forNumberOfPages pageCount: Int) -> CGSize {
            return .init(width: 4, height: 4)
        }
    }
    
}