//
//  LocationPermissionPopView.swift
//  QuickLocation
//
//  Created by 八条 on 2026/7/8.
//

import UIKit
import RxSwift
import RxCocoa

class LocationPermissionPopView: UIView {

    private static let shared = LocationPermissionPopView(frame: CGRect(origin: .zero, size: kScreenSize))

    var disposeBag = DisposeBag()
    
    static func show() {
        guard let superView = kKeyWindow else {
            return
        }

        if LocationPermissionPopView.shared.superview != nil {
            LocationPermissionPopView.shared.removeFromSuperview()
            LocationPermissionPopView.shared.bgView.frame = .zero
        }

        LocationPermissionPopView.shared.bgView.alpha = 1
        LocationPermissionPopView.shared.bgView.frame = CGRect(x: 0, y: 0, width: kScreenWidth, height: kScreenHeight)
        superView.addSubview(LocationPermissionPopView.shared)
        superView.bringSubviewToFront(LocationPermissionPopView.shared)

        UIView.animate(withDuration: 0.25) {
            LocationPermissionPopView.shared.bgView.alpha = 1
        }
    }
    
    /// 关闭
    static func dismiss() {
        guard LocationPermissionPopView.shared.superview != nil else { return }

        UIView.animate(withDuration: 0.25, delay: 0, options: [.curveEaseIn]) {
            LocationPermissionPopView.shared.bgView.alpha = 0
        } completion: { _ in
            LocationPermissionPopView.shared.removeFromSuperview()
        }
    }
    
    private func setupRx() {
        settingBtn.rx.tap.subscribe(onNext: { _ in
            guard let settingsURL = URL(string: UIApplication.openSettingsURLString) else { return }
            LocationPermissionPopView.dismiss()
            if UIApplication.shared.canOpenURL(settingsURL) {
                UIApplication.shared.open(settingsURL, options: [:], completionHandler: nil)
            }
        }).disposed(by: disposeBag)
        
        closeBtn.rx.tap.subscribe(onNext: { _ in
            LocationPermissionPopView.dismiss()
        }).disposed(by: disposeBag)
    }
    
    private lazy var bgView: UIView = {
        let view = UIView()
        view.backgroundColor = .black.withAlphaComponent(0.5)
        return view
    }()
    
    lazy var popView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        return view
    }()
    
    lazy var popBgView: UIView = {
        let view = UIView()
        view.backgroundColor = .white
        view.cornerRadius = 30
        return view
    }()
    
    lazy var logoImgView: UIImageView = {
        let view = UIImageView(image: UIImage(named: "Popup/bell"))
        return view
    }()
    
    lazy var headerBgImg: UIImageView = {
        let view = UIImageView(image: UIImage(named: "Popup/header_bg"))
        view.contentMode = .scaleAspectFill
        return view
    }()
    
    lazy var textImgView: UIImageView = {
        let view = UIImageView()
        view.contentMode = .scaleAspectFill
        view.image = UIImage(named: "Home/permission_text")
        return view
    }()
    
    lazy var settingBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setTitle("马上开启", for: .normal)
        btn.setTitleColor(.white, for: .normal)
        btn.titleLabel?.font = .systemFont(ofSize: 16, weight: .medium)
        btn.setBackgroundImage(UIImage(named: "Common/button_bg_2"), for: .normal)
        btn.cornerRadius = 25
        return btn
    }()
    
    lazy var closeBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setTitle("取消", for: .normal)
        btn.setTitleColor(UIColor(hexStr: "#16B3FF"), for: .normal)
        btn.titleLabel?.font = .systemFont(ofSize: 16, weight: .medium)
        btn.backgroundColor = .clear
        return btn
    }()
    
    // MARK: - Init
    override init(frame: CGRect) {
        super.init(frame: frame)
        backgroundColor = .clear
        addSubview(bgView)
        bgView.addSubview(popView)
        popView.addSubview(popBgView)
        popView.addSubview(logoImgView)
        popBgView.addSubview(headerBgImg)
        popBgView.addSubview(textImgView)
        popBgView.addSubview(settingBtn)
        popBgView.addSubview(closeBtn)
        
        popView.layoutChain
            .centerX()
            .centerY()
            .width(315)
            .height(362)
        
        popBgView.layoutChain.edges()
        
        logoImgView.layoutChain
            .left(16)
            .top(-45)
            .width(109)
            .height(109)
        
        headerBgImg.layoutChain
            .edges(excludingEdge: .bottom)
            .heightToWidth(100/315)
        
        textImgView.layoutChain
            .top(70)
            .centerX()
            .width(275)
            .height(173)
        
        closeBtn.layoutChain
            .bottom()
            .height(50)
            .edgesHorzontal(20)
        
        settingBtn.layoutChain
            .bottomToTopOfView(closeBtn)
            .height(50)
            .edgesHorzontal(20)
        
        setupRx()
    }

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

    override func layoutSubviews() {
        super.layoutSubviews()

    }
}