//
//  SettingsPopupView.swift
//  RoderickRalph
//
//  Created by Neoa on 2025/8/19.
//

import Foundation
import UIKit

// 在文件顶部 import 之后、class 之前加：
protocol SettingsPopupViewDelegate: AnyObject {
    func settingsPopupViewDidClose(_ view: SettingsPopupView)
}

class SettingsPopupView: UIView {

    weak var delegate: SettingsPopupViewDelegate?
    
    // MARK: - UI Components

    private let backgroundView: UIView = {
        let view = UIView()
        view.backgroundColor = UIColor.black.withAlphaComponent(0.5)  // Semi-transparent gray background
        view.translatesAutoresizingMaskIntoConstraints = false
        return view
    }()
    
    private let settingButton: UIButton = {
        let button = UIButton(type: .system)
        button.setBackgroundImage(UIImage(named: "pqan333"), for: .normal)
        button.setTitle("设置", for: .normal)
        button.setTitleColor(.white, for: .normal)
        button.titleLabel?.font = UIFont.boldSystemFont(ofSize: 18)
        button.translatesAutoresizingMaskIntoConstraints = false
        return button
    }()
    
    
    private let iconBGView: UIImageView = {
        let iv = UIImageView()
        iv.image = UIImage(named: "pqan336")
        iv.contentMode = .scaleAspectFit
        iv.translatesAutoresizingMaskIntoConstraints = false
        return iv
    }()


    private let iconImageView: UIImageView = {
        let iv = UIImageView()
        iv.image = UIImage(named: "catlogos")
        iv.contentMode = .scaleAspectFit
        iv.layer.cornerRadius = 24
        iv.clipsToBounds = true
        iv.translatesAutoresizingMaskIntoConstraints = false
        return iv
    }()

    private let nikNmeLeftLabel: UILabel = {
        let label = UILabel()
        label.text = "昵  称"
        label.font = UIFont.systemFont(ofSize: 12)
        label.textColor = .white
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()
    
    private let nikNmeRightLabel: UILabel = {
        let label = UILabel()
        label.text = "XXXX"
        label.backgroundColor = .white
        label.font = UIFont.systemFont(ofSize: 12)
        label.textColor = UIColor(hexString:"#E28814")
        label.layer.cornerRadius = 4
        label.clipsToBounds = true
        label.textAlignment = .center
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()

    private let roleIDLeftLabel: UILabel = {
        let label = UILabel()
        label.text = "角色ID"
        label.font = UIFont.systemFont(ofSize: 12)
        label.textColor = .white
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()
    
    private let roleIDRightLabel: UILabel = {
        let label = UILabel()
        label.text = "XXXX"
        label.backgroundColor = .white
        label.font = UIFont.systemFont(ofSize: 12)
        label.textColor = UIColor(hexString:"#E28814")
        label.layer.cornerRadius = 4
        label.clipsToBounds = true
        label.textAlignment = .center
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()

    


    private let closeButton: UIButton = {
        let button = UIButton(type: .custom)
        button.setImage(UIImage(named: "pqan334"), for: .normal)
        button.addTarget(self, action: #selector(closePopup), for: .touchUpInside)
        button.translatesAutoresizingMaskIntoConstraints = false
        return button
    }()

    private let musicLeftLabel: UILabel = {
        let label = UILabel()
        label.text = "音乐"
        label.font = UIFont.systemFont(ofSize: 12)
        label.textColor = .white
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()


    private let musicSwitch: UISwitch = {
        let switchControl = UISwitch()
        switchControl.isOn = false
        switchControl.translatesAutoresizingMaskIntoConstraints = false
        return switchControl
    }()
    
    private let soundLeftLabel: UILabel = {
        let label = UILabel()
        label.text = "音效"
        label.font = UIFont.systemFont(ofSize: 12)
        label.textColor = .white
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()


    private let soundSwitch: UISwitch = {
        let switchControl = UISwitch()
        switchControl.isOn = false
        switchControl.translatesAutoresizingMaskIntoConstraints = false
        return switchControl
    }()

    private let registrationTimeLabel: UILabel = {
        let label = UILabel()
        label.text = "注册时间: 2025-05-26 17:58:48"
        label.font = UIFont.systemFont(ofSize: 10)
        label.textColor = .white
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()
    
    private let softwareNameLabel: UILabel = {
        let label = UILabel()
        label.text = "青柠檬记账"
        label.font = UIFont.systemFont(ofSize: 10)
        label.textColor = .white
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()


    private let popupBackgroundImageView: UIImageView = {
        let imageView = UIImageView()
        imageView.image = UIImage(named: "pqan335")  // Background image for the pop-up
        imageView.contentMode = .scaleToFill
        imageView.translatesAutoresizingMaskIntoConstraints = false
        return imageView
    }()

    // MARK: - Initialization
    init() {
        super.init(frame: .zero)
        setupUI()
        setupConstraints()
    }

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

    // MARK: - UI Setup
    private func setupUI() {
        
        addSubview(backgroundView)
        backgroundView.isUserInteractionEnabled = true  // 允许事件穿透
        addSubview(popupBackgroundImageView)
        
        addSubview(settingButton)
        addSubview(iconBGView)
        addSubview(iconImageView)
        addSubview(nikNmeLeftLabel)
        addSubview(nikNmeRightLabel)
        addSubview(roleIDLeftLabel)
        addSubview(roleIDRightLabel)
        addSubview(musicLeftLabel)
        addSubview(soundLeftLabel)
        addSubview(musicSwitch)
        addSubview(soundSwitch)
        addSubview(closeButton)
        addSubview(registrationTimeLabel)
        addSubview(softwareNameLabel)

        // Prefill from saved user info (if available)
        let nickname = UserDefaults.standard.string(forKey: "nickname") ?? "XXXX"
        let roleID = UserDefaults.standard.string(forKey: "roleID") ?? "XXXX"
        let regTime = UserDefaults.standard.string(forKey: "registryTimeStr") ?? "--"
        nikNmeRightLabel.text = nickname
        roleIDRightLabel.text = roleID
        registrationTimeLabel.text = "注册时间: \(regTime)"

        // 显示已选择的渠道名（如果有），否则使用默认占位
        if let savedChannel = UserDefaults.standard.string(forKey: "selectedChannelName"), !savedChannel.isEmpty {
            softwareNameLabel.text = savedChannel
        }

        let head = UserDefaults.standard.string(forKey: "headImgURL")
        setIcon(with: head)

        // 最后添加背景视图（确保它在最底层）
        
        // 添加背景点击手势
        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleBackgroundTap))
        backgroundView.addGestureRecognizer(tapGesture)
    }

    private func setupConstraints() {
        NSLayoutConstraint.activate([
            // Background (Gray) for the outer area
            backgroundView.topAnchor.constraint(equalTo: topAnchor),
            backgroundView.bottomAnchor.constraint(equalTo: bottomAnchor),
            backgroundView.leadingAnchor.constraint(equalTo: leadingAnchor),
            backgroundView.trailingAnchor.constraint(equalTo: trailingAnchor),
            
            // Popup background image
            popupBackgroundImageView.centerXAnchor.constraint(equalTo: centerXAnchor),
            popupBackgroundImageView.centerYAnchor.constraint(equalTo: centerYAnchor),
            popupBackgroundImageView.widthAnchor.constraint(equalToConstant: 333),
            popupBackgroundImageView.heightAnchor.constraint(equalToConstant: 215),
            
            // Close Button
            closeButton.topAnchor.constraint(equalTo: popupBackgroundImageView.topAnchor, constant: -12),
            closeButton.trailingAnchor.constraint(equalTo: popupBackgroundImageView.trailingAnchor, constant: 12),
            closeButton.widthAnchor.constraint(equalToConstant: 24),
            closeButton.heightAnchor.constraint(equalToConstant: 24),

            settingButton.topAnchor.constraint(equalTo: popupBackgroundImageView.topAnchor, constant: 10),
            settingButton.centerXAnchor.constraint(equalTo: popupBackgroundImageView.centerXAnchor, constant: 0),
            settingButton.widthAnchor.constraint(equalToConstant: 132),
            settingButton.heightAnchor.constraint(equalToConstant: 37),

            iconBGView.topAnchor.constraint(equalTo: settingButton.bottomAnchor, constant: 5),
            iconBGView.leadingAnchor.constraint(equalTo: popupBackgroundImageView.leadingAnchor, constant: 33),
            iconBGView.widthAnchor.constraint(equalToConstant: 58),
            iconBGView.heightAnchor.constraint(equalToConstant: 58),

            iconImageView.centerXAnchor.constraint(equalTo: iconBGView.centerXAnchor),
            iconImageView.centerYAnchor.constraint(equalTo: iconBGView.centerYAnchor),
            iconImageView.widthAnchor.constraint(equalToConstant: 48),
            iconImageView.heightAnchor.constraint(equalToConstant: 48),

            
            nikNmeRightLabel.trailingAnchor.constraint(equalTo: popupBackgroundImageView.trailingAnchor,constant: -35),
            nikNmeRightLabel.topAnchor.constraint(equalTo: settingButton.bottomAnchor,constant: 14),
            nikNmeRightLabel.widthAnchor.constraint(equalToConstant: 130),
            nikNmeRightLabel.heightAnchor.constraint(equalToConstant: 24),

            nikNmeLeftLabel.trailingAnchor.constraint(equalTo: nikNmeRightLabel.leadingAnchor,constant: -12),
            nikNmeLeftLabel.centerYAnchor.constraint(equalTo: nikNmeRightLabel.centerYAnchor,constant: 0),


            roleIDRightLabel.trailingAnchor.constraint(equalTo: nikNmeRightLabel.trailingAnchor,constant: 0),
            roleIDRightLabel.topAnchor.constraint(equalTo: nikNmeRightLabel.bottomAnchor,constant: 3),
            roleIDRightLabel.widthAnchor.constraint(equalToConstant: 130),
            roleIDRightLabel.heightAnchor.constraint(equalToConstant: 24),

            
            roleIDLeftLabel.trailingAnchor.constraint(equalTo: roleIDRightLabel.leadingAnchor,constant: -12),
            roleIDLeftLabel.centerYAnchor.constraint(equalTo: roleIDRightLabel.centerYAnchor,constant: 0),


            musicLeftLabel.leadingAnchor.constraint(equalTo: iconBGView.leadingAnchor,constant: 0),
            musicLeftLabel.topAnchor.constraint(equalTo: iconBGView.bottomAnchor,constant: 24),

            // Music Switch
            musicSwitch.centerYAnchor.constraint(equalTo: musicLeftLabel.centerYAnchor, constant: 0),
            musicSwitch.leadingAnchor.constraint(equalTo: musicLeftLabel.trailingAnchor, constant: 10),
            
            // Sound Switch
            soundSwitch.centerYAnchor.constraint(equalTo: musicSwitch.centerYAnchor),
            soundSwitch.trailingAnchor.constraint(equalTo: popupBackgroundImageView.trailingAnchor, constant: -28),
            
            soundLeftLabel.centerYAnchor.constraint(equalTo: musicLeftLabel.centerYAnchor,constant: 0),
            soundLeftLabel.trailingAnchor.constraint(equalTo: soundSwitch.trailingAnchor,constant: -60),

            
            // Registration Time Label
            registrationTimeLabel.leadingAnchor.constraint(equalTo: musicLeftLabel.leadingAnchor, constant: 0),
            registrationTimeLabel.topAnchor.constraint(equalTo: musicLeftLabel.bottomAnchor,constant: 22),
            
            softwareNameLabel.centerYAnchor.constraint(equalTo: registrationTimeLabel.centerYAnchor, constant: 0),
            softwareNameLabel.trailingAnchor.constraint(equalTo: soundSwitch.trailingAnchor,constant: 0),

        ])
    }

    // MARK: - Actions
    @objc private func closePopup() {
        delegate?.settingsPopupViewDidClose(self)
        removeFromSuperview()
    }
    
    @objc private func handleBackgroundTap() {
        closePopup()
    }
    // MARK: - Avatar Loading
    private static let imageCache = NSCache<NSURL, UIImage>()
    private func setIcon(with urlString: String?) {
        guard let s = urlString, !s.isEmpty, let url = URL(string: s) else {
            iconImageView.image = UIImage(named: "catlogos")
            return
        }
        if let cached = SettingsPopupView.imageCache.object(forKey: url as NSURL) {
            iconImageView.image = cached
            return
        }
        URLSession.shared.dataTask(with: url) { data, _, _ in
            guard let data = data, let img = UIImage(data: data) else { return }
            SettingsPopupView.imageCache.setObject(img, forKey: url as NSURL)
            DispatchQueue.main.async { [weak self] in
                self?.iconImageView.image = img
            }
        }.resume()
    }

}