//
//  SOSView.swift
//  QuickLocation
//
//  Created by 八条 on 2026/6/18.
//

import UIKit
import RxSwift
import RxCocoa
import RxGesture
import Lottie
import SwiftyUserDefaults

class SOSView: UIView {

    var disposeBag = DisposeBag()
    
    var sosPracticeView: SOSPracticeView = SOSPracticeView()
    
    var countDownFinish: Bool = false
    
    private func setupRx() {
        backBtn.rx.tap.subscribe(onNext: { _ in
            AppRouter.shared.popOrDismiss()
        }).disposed(by: disposeBag)

        exclamationLottieView.rx.tapGesture.subscribe(onNext: { _ in
            UIView.animate(withDuration: 0.3, delay: 0, options: [.curveEaseInOut], animations: {
                self.countDownView.alpha = 1
            }, completion: { _ in
                self.countDownLottieView.play { completed in
                    guard completed else { return }
                    if let path = Bundle.main.path(forResource: "red-exclamation", ofType: "json") {
                        self.countDownLottieView.animation = LottieAnimation.filepath(path)
                        self.countDownLottieView.loopMode = .loop
                        self.countDownLottieView.play()
                        self.countDownTipsLab.text = "已将你的SOS和位置发送到你的圈子和紧急联系人。\n\n您的 SOS 将发送给5个人"
                        self.countDownFinish = true
                    }
                }
            })
        }).disposed(by: disposeBag)
        
        sliderIcon.rx.panGesture()
            .subscribe(onNext: { [weak self] gesture in
                guard let self = self else { return }
                let translation = gesture.translation(in: self.sliderView)
                let maxX = self.sliderView.bounds.width - self.sliderIcon.frame.width

                switch gesture.state {
                case .began, .changed:
                    var newX = self.sliderIcon.frame.minX + translation.x
                    newX = max(0, min(maxX, newX))
                    self.sliderIcon.frame.origin.x = newX
                    gesture.setTranslation(.zero, in: self.sliderView)
                case .ended:
                    if self.sliderIcon.frame.minX >= maxX - 5 {
                        if countDownFinish {
                            
                        }
                        else {
                            self.countDownView.alpha = 0
                            self.countDownLottieView.stop()
                        }
                    }
                    UIView.animate(withDuration: 0.3) {
                        self.sliderIcon.frame.origin.x = 3
                    }

                default:
                    break
                }
            })
            .disposed(by: disposeBag)
    }
    
    private func setupUI() {
        addSubview(exclamationLottieView)
        addSubview(messageLab)
        addSubview(tipsLab)
        addSubview(bottomTipsLab)
        addSubview(addContactView)
        addSubview(sosPracticeView)
        addSubview(countDownView)
        addSubview(navBgView)
        addSubview(navBarView)
        navBarView.addSubview(navTitleLabel)
        navBarView.addSubview(backBtn)
        
        navBgView.layoutChain
            .edges(excludingEdge: .bottom)
            .heightToWidth(160/375)
        
        navBarView.layoutChain
            .edges(excludingEdge: .bottom)
            .height(kNaviHeight)
        
        navTitleLabel.layoutChain
            .top(kStatusBarHeight + 12)
            .centerY(backBtn)
            .centerX()
        
        backBtn.layoutChain
            .centerY(navTitleLabel)
            .left(15)
            .width(24)
            .height(24)
        
        sosPracticeView.layoutChain
            .topToBottomOfView(navBarView)
            .edges(excludingEdge: .top)
        
        exclamationLottieView.layoutChain
            .topToBottomOfView(navBarView, offset: 40)
            .edgesHorzontal(28)
            .heightToWidth(1)
        
        messageLab.layoutChain
            .topToBottomOfView(exclamationLottieView, offset: 19)
            .centerX()
        
        tipsLab.layoutChain
            .topToBottomOfView(messageLab, offset: 10)
            .edgesHorzontal(23)
        
        addContactView.layoutChain
            .topToBottomOfView(tipsLab, offset: 30)
            .centerX()
        
        countDownView.layoutChain
            .topToBottomOfView(navBarView)
            .edges(excludingEdge: .top)
        
        bottomTipsLab.layoutChain
            .centerX()
            .bottom(kSafeBottomMargin + 40)
    }
    
    lazy var navBgView: UIImageView = {
        let iv = UIImageView()
        iv.image = UIImage(named: "Common/navBar_bg_2")
        iv.contentMode = .scaleAspectFill
        return iv
    }()
    
    lazy var navBarView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        return view
    }()
    
    lazy var navTitleLabel: UILabel = {
        let label = UILabel()
        label.text = "SOS"
        label.font = .systemFont(ofSize: 18, weight: .medium)
        label.textColor = ThemeManager.shared.color.titleAuxColor
        label.textAlignment = .center
        return label
    }()
    
    lazy var backBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setImage(UIImage(named: "Common/back"), for: .normal)
        btn.extendEdgeInsets = UIEdgeInsets(top: 54, left: 15, bottom: 100, right: 100)
        return btn
    }()
    
    lazy var exclamationLottieView: LottieAnimationView = {
        let view = LottieAnimationView(name: "yellow-exclamation")
        view.loopMode = .loop
        return view
    }()
    
    lazy var messageLab: UILabel = {
        let label = UILabel()
        label.text = "当您感到紧张或不安全时，请按住此按钮。"
        label.font = .systemFont(ofSize: 16, weight: .medium)
        label.textColor = UIColor(hexStr: "#333333")
        return label
    }()
    
    lazy var tipsLab: UILabel = {
        let label = UILabel()
        label.text = "提示：若你在气泡当中时，发送SOS将会自动从气泡中弹出。"
        label.font = .systemFont(ofSize: 14, weight: .regular)
        label.textColor = UIColor(hexStr: "#999999")
        label.numberOfLines = 0
        return label
    }()
    
    lazy var addContactView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        
        let icon = UIImageView(image: UIImage(named: "SOS/add"))
        view.addSubview(icon)
        icon.layoutChain
            .left()
            .edgesVertical()
            .height(30)
            .width(30)
        
        let label = UILabel()
        label.text = "添加紧急联系人"
        label.font = .systemFont(ofSize: 14, weight: .medium)
        view.addSubview(label)
        label.layoutChain
            .leftToRightOfView(icon, offset: 10)
            .right()
            .centerY()
        
        return view
    }()
    
    // 倒计时
    lazy var countDownView: UIView = {
        let view = UIView()
        view.backgroundColor = .white
        view.alpha = 0
        
        view.addSubview(countDownLottieView)
        countDownLottieView.layoutChain
            .top(40)
            .edgesHorzontal(27)
            .heightToWidth(1)
        
        let titleLab = UILabel()
        titleLab.text = "滑动取消"
        titleLab.font = .systemFont(ofSize: 26, weight: .semibold)
        view.addSubview(titleLab)
        titleLab.layoutChain
            .topToBottomOfView(countDownLottieView, offset: 15)
            .centerX()
        
        view.addSubview(countDownTipsLab)
        countDownTipsLab.layoutChain
            .topToBottomOfView(titleLab, offset: 8)
            .edgesHorzontal(38)
        
        view.addSubview(sliderView)
        sliderView.layoutChain
            .edgesHorzontal(30)
            .bottom(kSafeBottomMargin + 30)
            .height(50)
        
        return view
    }()
    
    lazy var countDownLottieView: LottieAnimationView = {
        let view = LottieAnimationView(name: "10-second-timer")
        view.loopMode = .playOnce
        return view
    }()
    
    lazy var countDownTipsLab: UILabel = {
        let tipsLab = UILabel()
        tipsLab.text = "10秒后，会将你的SOS和位置发送到你的圈子和紧急联系人。"
        tipsLab.font = .systemFont(ofSize: 16, weight: .medium)
        tipsLab.textAlignment = .center
        tipsLab.numberOfLines = 0
        
        return tipsLab
    }()
    
    lazy var sliderView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        view.cornerRadius = 25
        
        let imgView = UIImageView(image: UIImage(named: "Common/button_bg_2"))
        imgView.contentMode = .scaleAspectFill
        view.addSubview(imgView)
        imgView.layoutChain.edges()
        
        let label = UILabel()
        label.text = "滑动以取消SOS"
        label.textColor = .white
        label.font = .systemFont(ofSize: 16, weight: .medium)
        view.addSubview(label)
        label.layoutChain.centerX().centerY()
        
        view.addSubview(sliderIcon)
        
        return view
    }()
    
    lazy var sliderIcon: UIImageView = {
        let view = UIImageView(frame: CGRectMake(3, 2, 46, 46))
        view.image = UIImage(named: "SOS/slider")
        view.isUserInteractionEnabled = true
        return view
    }()
    
    lazy var bottomTipsLab: UILabel = {
        let label = UILabel()
        label.textColor = UIColor(hexStr: "#333333")
        let text = "轻点感叹号发送SOS"
        let attr = NSMutableAttributedString(string: text)
        attr.addAttribute(.font, value: UIFont.systemFont(ofSize: 20, weight: .semibold), range: NSRange(location: 0, length: text.count))
        attr.addAttribute(.foregroundColor, value: UIColor(hexStr: "#FF383C"), range: NSRange(location: "轻点感叹号发送".count, length: "SOS".count))
        label.attributedText = attr
        return label
    }()
    
    override init(frame: CGRect) {
        super.init(frame: .zero)
        backgroundColor = .white
        setupUI()
        setupRx()
        
        exclamationLottieView.play()
        
        let isHidden = Defaults[\.sosIsPracticeList].first(where: { $0 == AppContextManager.shared.userId }) != nil
        sosPracticeView.isHidden = isHidden
        
        guard AppContextManager.shared.status == 1 else { return }
        countDownView.alpha = 1
        countDownFinish = true
        if let path = Bundle.main.path(forResource: "red-exclamation", ofType: "json") {
            self.countDownLottieView.animation = LottieAnimation.filepath(path)
            self.countDownLottieView.loopMode = .loop
            self.countDownLottieView.play()
            self.countDownTipsLab.text = "已将你的SOS和位置发送到你的圈子和紧急联系人。\n\n您的 SOS 将发送给5个人"
        }
    }

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

}