jsdw_ios/QuickLocation/Section/Mine/MyProfile/AvatarIconListView.swift

//
//  AvatarIconListView.swift
//  QuickLocation
//
//  Created by 八条 on 2026/6/11.
//

import UIKit
import RxSwift
import RxCocoa

class AvatarIconListView: UIView {

    var disposeBag = DisposeBag()
    
    var selectedIndex: Int = 1 {
        didSet {
            selectedIconView.image = UIImage(named: "UserIcon/\(selectedIndex)")
            iconCollectionView.reloadData()
        }
    }
    
    private var iconImgList: [UIImage] = []
    
    private func setupRx() {
        

    }
    
    private func setupUI() {
        addSubview(navBgView)
        addSubview(navView)
        navView.addRightButton(doneBtn)
        addSubview(selectedIconView)
        addSubview(titleLab)
        addSubview(iconCollectionView)
        
        navBgView.layoutChain
            .edges(excludingEdge: .bottom)
            .heightToWidth(160/375)
        
        navView.layoutChain
            .edges(excludingEdge: .bottom)
            .height(kNaviHeight)
        
        selectedIconView.layoutChain
            .topToBottomOfView(navView, offset: 30)
            .centerX()
            .width(80)
            .height(80)
        
        titleLab.layoutChain
            .topToBottomOfView(selectedIconView, offset: 39)
            .left(40)
        
        iconCollectionView.layoutChain
            .topToBottomOfView(titleLab, offset: 13)
            .edgesHorzontal(40)
            .bottom(kSafeBottomMargin + 10)
    }
    
    lazy var navBgView: UIImageView = {
        let iv = UIImageView()
        iv.image = UIImage(named: "Common/navBar_bg_2")
        iv.contentMode = .scaleAspectFill
        return iv
    }()
    
    lazy var navView: BaseNavigationView = {
        let nav = BaseNavigationView(title: "更换图标")
        return nav
    }()
    
    lazy var doneBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setTitle("完成", for: .normal)
        btn.setTitleColor(ThemeManager.shared.color.titleAuxColor, for: .normal)
        btn.titleLabel?.font = .systemFont(ofSize: 16, weight: .medium)
        btn.extendEdgeInsets = UIEdgeInsets(top: 54, left: 100, bottom: 100, right: 15)
        return btn
    }()
    
    lazy var selectedIconView: UIImageView = {
        let view = UIImageView()
        view.cornerRadius = 40
        return view
    }()
    
    lazy var titleLab: UILabel = {
        let label = UILabel()
        label.text = "选择头像"
        label.font = .systemFont(ofSize: 16, weight: .bold)
        label.textColor = ThemeManager.shared.color.titleAuxColor
        return label
    }()
    
    lazy var iconCollectionView: UICollectionView = {
        let layout = UICollectionViewFlowLayout()
        let cvWidth = kScreenWidth - 80
        let spacing: CGFloat = 18
        let itemW = (cvWidth - spacing * 3) / 4
        layout.itemSize = CGSize(width: itemW, height: itemW)
        layout.minimumInteritemSpacing = spacing
        layout.minimumLineSpacing = 20

        let cv = UICollectionView(frame: .zero, collectionViewLayout: layout)
        cv.backgroundColor = .clear
        cv.isScrollEnabled = false
        cv.register(GroupIconCell.self)
        cv.delegate = self
        cv.dataSource = self
        return cv
    }()
    
    override init(frame: CGRect) {
        super.init(frame: .zero)
        backgroundColor = .white
        setupUI()
        setupRx()
        
        for i in 1...15 {
            if let img = UIImage(named: "UserIcon/\(i)") {
                iconImgList.append(img)
            }
        }
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

}

// MARK: - UICollectionViewDelegate, UICollectionViewDataSource
extension AvatarIconListView: UICollectionViewDelegate, UICollectionViewDataSource {

    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return iconImgList.count
    }

    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(for: indexPath) as GroupIconCell
        cell.configure(img: iconImgList[indexPath.row], isSelected: selectedIndex == indexPath.row+1)
        return cell
    }

    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        selectedIndex = indexPath.row + 1
    }
}

// MARK: - TagCell
final class AvatarIconCell: UICollectionViewCell {

    func configure(img: UIImage, isSelected: Bool) {
        iconImgView.image = img
        selectedMaskView.isHidden = !isSelected
        selectedIcon.isHidden = !isSelected
    }
    
    private func setupUI() {
        contentView.addSubview(iconImgView)
        contentView.addSubview(selectedMaskView)
        contentView.addSubview(selectedIcon)
        
        iconImgView.layoutChain.edges()
        selectedMaskView.layoutChain.edges()
        
        selectedIcon.layoutChain
            .right(3)
            .bottom(4)
    }
    
    lazy var iconImgView: UIImageView = {
        let view = UIImageView()
        view.backgroundColor = .clear
        view.contentMode = .scaleAspectFill
        view.cornerRadius = 10
        return view
    }()
    
    lazy var selectedMaskView: UIView = {
        let view = UIView()
        view.backgroundColor = .black.withAlphaComponent(0.5)
        view.cornerRadius = 10
        view.isHidden = true
        return view
    }()
    
    lazy var selectedIcon: UIImageView = {
        let view = UIImageView()
        view.image = UIImage(named: "GroupIcon/selected")
        view.isHidden = true
        return view
    }()
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}