SynthReel/SynthReel/Class/Player/V/SREpSelectorView.swift

//
//  SREpSelectorView.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 SREpSelectorView: SRPanModalContentView {
    
    var didSelected: ((_ index: Int) -> Void)?

    var model: SRShortDetailModel? {
        didSet {
            coverImageView.sr_setImage(model?.shortPlayInfo?.image_url)
            shortNameLabel.text = model?.shortPlayInfo?.name
            desLabel.text = model?.shortPlayInfo?.sr_description
            
            subtitleLabel.text = "all_episodes_text".localizedReplace(text: "\(model?.shortPlayInfo?.episode_total ?? 0)")
            
            if let text = model?.shortPlayInfo?.category?.first, text.count > 0 {
                cagetoryLabel.text = "#" + text
            } else {
                cagetoryLabel.text = ""
            }
            self.collectionView.reloadData()
        }
    }
    var selectedIndex: Int = 0 {
        didSet {
            self.collectionView.reloadData()
        }
    }
    
    lazy var coverBgView = UIImageView(image: UIImage(named: "ep_cover_bg_image"))
    lazy var coverImageView: UIImageView = {
        let imageView = SRImageView()
        imageView.layer.cornerRadius = 2
        return imageView
    }()
    
    lazy var shortNameLabel: UILabel = {
        let label = UILabel()
        label.font = .font(ofSize: 15, weight: .semibold)
        label.textColor = .srBlue
        return label
    }()
    
    lazy var cagetoryLabel: SRLabel = {
        let label = SRLabel()
        label.font = .font(ofSize: 12, weight: .regular)
        label.textColors = [UIColor.srGreen.cgColor, UIColor.srBlue.cgColor]
        label.textStartPoint = .init(x: 0.5, y: 0)
        label.textEndPoint = .init(x: 0.5, y: 1)
        return label
    }()
    
    lazy var desLabel: UILabel = {
        let label = UILabel()
        label.font = .font(ofSize: 12, weight: .regular)
        label.textColor = .A_6_A_6_A_6
        label.numberOfLines = 3
        return label
    }()
    
    lazy var titleLabel: UILabel = {
        let label = UILabel()
        label.font = .font(ofSize: 15, weight: .medium)
        label.textColor = .white
        label.text = "Select Episode".localized
        return label
    }()
    
    lazy var subtitleLabel: UILabel = {
        let label = UILabel()
        label.font = .font(ofSize: 12, weight: .regular)
        label.textColor = .CCCCCC
        return label
    }()
    
    lazy var collectionViewLayout: UICollectionViewFlowLayout = {
        let itemWidth = (UIScreen.width - 30 - 40) / 5
        
        let layout = UICollectionViewFlowLayout()
        layout.minimumLineSpacing = 10
        layout.minimumInteritemSpacing = 10
        layout.sectionInset = .init(top: 0, left: 15, bottom: 0, right: 15)
        layout.itemSize = .init(width: floor(itemWidth), height: 50)
        return layout
    }()
    
    lazy var collectionView: SRCollectionView = {
        let collectionView = SRCollectionView(frame: .zero, collectionViewLayout: collectionViewLayout)
        collectionView.delegate = self
        collectionView.dataSource = self
        collectionView.showsVerticalScrollIndicator = false
        collectionView.contentInset = .init(top: 0, left: 0, bottom: UIScreen.safeBottom + 10, right: 0)
        collectionView.register(SREpSelectorCell.self, forCellWithReuseIdentifier: "cell")
        return collectionView
    }()
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        sr_setupUI()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
}


extension SREpSelectorView {
    
    private func sr_setupUI() {
        addSubview(coverBgView)
        addSubview(coverImageView)
        addSubview(shortNameLabel)
        addSubview(cagetoryLabel)
        addSubview(desLabel)
        addSubview(titleLabel)
        addSubview(subtitleLabel)
        addSubview(collectionView)
        
        coverBgView.snp.makeConstraints { make in
            make.left.equalToSuperview().offset(15)
            make.top.equalToSuperview().offset(18)
        }
        
        coverImageView.snp.makeConstraints { make in
            make.center.equalTo(coverBgView)
            make.width.equalTo(63)
            make.height.equalTo(84)
        }
        
        shortNameLabel.snp.makeConstraints { make in
            make.left.equalTo(coverImageView.snp.right).offset(10)
            make.top.equalToSuperview().offset(24)
            make.right.lessThanOrEqualToSuperview().offset(-15)
        }
        
        cagetoryLabel.snp.makeConstraints { make in
            make.left.equalTo(shortNameLabel)
            make.top.equalTo(shortNameLabel.snp.bottom).offset(8)
        }
        
        desLabel.snp.makeConstraints { make in
            make.left.equalTo(shortNameLabel)
            make.right.lessThanOrEqualToSuperview().offset(-15)
            make.top.equalTo(shortNameLabel.snp.bottom).offset(32)
        }
        
        titleLabel.snp.makeConstraints { make in
            make.left.equalToSuperview().offset(15)
            make.top.equalTo(coverBgView.snp.bottom).offset(16)
        }
        
        subtitleLabel.snp.makeConstraints { make in
            make.centerY.equalTo(titleLabel)
            make.left.equalTo(titleLabel.snp.right).offset(3)
        }
        
        collectionView.snp.makeConstraints { make in
            make.left.right.equalToSuperview()
            make.top.equalToSuperview().offset(166)
            make.bottom.equalToSuperview()
        }
    }
    
}

//MARK: UICollectionViewDelegate UICollectionViewDataSource
extension SREpSelectorView: UICollectionViewDelegate, UICollectionViewDataSource {
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! SREpSelectorCell
        cell.model = self.model?.episodeList?[indexPath.row]
        cell.sr_isSelected = indexPath.row == self.selectedIndex
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return self.model?.episodeList?.count ?? 0
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        self.didSelected?(indexPath.row)
        Task {
            await self.dismiss(animated: true)
        }
    }
}