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

import UIKit
import RxSwift
import RxCocoa

class CancellationPopView: UIView {

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

    var disposeBag = DisposeBag()
    
    private var completion: (() -> Void)?
    
    static func show(completion: @escaping (() -> Void)) {
        guard let superView = kKeyWindow else {
            return
        }
        
        if CancellationPopView.shared.superview != nil {
            CancellationPopView.shared.removeFromSuperview()
            CancellationPopView.shared.bgView.frame = .zero
        }
        
        CancellationPopView.shared.bgView.alpha = 1
        CancellationPopView.shared.bgView.frame = CGRect(x: 0, y: 0, width: kScreenWidth, height: kScreenHeight)
        superView.addSubview(CancellationPopView.shared)
        superView.bringSubviewToFront(CancellationPopView.shared)
        
        UIView.animate(withDuration: 0.25) {
            CancellationPopView.shared.bgView.alpha = 1
        }
        
        CancellationPopView.shared.completion = {
            completion()
            CancellationPopView.dismiss()
        }
    }
    
    /// 关闭
    static func dismiss() {
        guard CancellationPopView.shared.superview != nil else { return }

        UIView.animate(withDuration: 0.25, delay: 0, options: [.curveEaseIn]) {
            CancellationPopView.shared.bgView.alpha = 0
        } completion: { _ in
            CancellationPopView.shared.removeFromSuperview()
        }
    }
    
    private func setupRx() {
        
        checkBox.rx.tap
            .subscribe(onNext: { [weak self] in
                guard let self = self else { return }
                self.checkBox.isSelected = !self.checkBox.isSelected
                self.confirmBtn.isEnabled = self.checkBox.isSelected
            })
            .disposed(by: disposeBag)
        
        agreementLab.rx.tapGesture.subscribe { _ in
            CancellationPopView.dismiss()
            AppRouter.push(Route.web, userInfo: ["url": URLManager.shared.cancellationNoticeUrl])
        }.disposed(by: disposeBag)
        
        confirmBtn.rx.tap.subscribe(onNext: { _ in
            self.completion?()
        }).disposed(by: disposeBag)
        
        closeBtn.rx.tap.subscribe(onNext: { _ in
            CancellationPopView.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 titleLab: UILabel = {
        let label = UILabel()
        label.text = "删除账户"
        label.font = .systemFont(ofSize: 20, weight: .semibold)
        label.textColor = UIColor(hexStr: "#0F2846")
        label.textAlignment = .center
        label.numberOfLines = 0
        return label
    }()
    
    lazy var contentLab: UILabel = {
        let label = UILabel()
        label.text = "申请删除账号后，账号将在15日后自动删除，若在15日内登录账号，删除账号申请将被取消！您确定要删除吗？"
        label.font = .systemFont(ofSize: 14, weight: .medium)
        label.textColor = UIColor(hexStr: "#333333")
        label.textAlignment = .center
        label.numberOfLines = 0
        return label
    }()
    
    lazy var agreementView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        
        view.addSubview(checkBox)
        checkBox.layoutChain
            .left()
            .width(12)
            .height(12)
            .centerY()
        
        view.addSubview(agreementLab)
        agreementLab.layoutChain
            .leftToRightOfView(checkBox, offset: 5)
            .edgesVertical()
            .right()
        
        return view
    }()

    lazy var checkBox: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setImage(UIImage(named: "Login/checkbox"), for: .normal)
        btn.setImage(UIImage(named: "Login/selected"), for: .selected)
        btn.extendEdgeInsets = UIEdgeInsets(top: 100, left: 100, bottom: 100, right: 0)
        return btn
    }()
    
    lazy var agreementLab: UILabel = {
        let label = UILabel()
        label.font = .systemFont(ofSize: 10, weight: .medium)
        label.textColor = UIColor(hexStr: "#333333")
        label.isUserInteractionEnabled = true
        
        let text = "阅读并同意《账号注销协议》"
        let attr = NSMutableAttributedString(string: text)
        let range = (text as NSString).range(of: "《账号注销协议》")
        attr.addAttribute(.foregroundColor, value: UIColor(hexStr: "#FFC006"), range: range)
        label.attributedText = attr
        return label
    }()
    
    lazy var confirmBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setTitle("确认", for: .normal)
        btn.setTitleColor(UIColor(hexStr: "#16B3FF"), for: .normal)
        btn.titleLabel?.font = .systemFont(ofSize: 16, weight: .medium)
        btn.backgroundColor = .clear
        btn.isEnabled = false
        return btn
    }()
    
    lazy var closeBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setTitle("取消", 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
    }()
    
    // 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(titleLab)
        popBgView.addSubview(contentLab)
        popBgView.addSubview(agreementView)
        popBgView.addSubview(closeBtn)
        popBgView.addSubview(confirmBtn)
        
        popView.layoutChain
            .centerY()
            .centerX()
            .width(315)
        
        popBgView.layoutChain.edges()
        
        logoImgView.layoutChain
            .left(16)
            .top(-45)
            .width(109)
            .height(109)
        
        headerBgImg.layoutChain
            .edges(excludingEdge: .bottom)
            .heightToWidth(100/315)
        
        titleLab.layoutChain
            .top(53)
            .centerX()
        
        contentLab.layoutChain
            .topToBottomOfView(titleLab, offset: 10)
            .edgesHorzontal(20)
        
        agreementView.layoutChain
            .topToBottomOfView(contentLab, offset: 24)
            .centerX()
            .height(14)
        
        closeBtn.layoutChain
            .topToBottomOfView(agreementView, offset: 20)
            .edgesHorzontal(20)
            .height(50)
        
        confirmBtn.layoutChain
            .topToBottomOfView(closeBtn, offset: 10)
            .edgesHorzontal(20)
            .height(50)
            .bottom(10)
        
        setupRx()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override func layoutSubviews() {
        super.layoutSubviews()
        
    }

}