//
//  ThemeOneVM.swift
//  WOKA
//
//  Created by MacBook Pro on 23/05/24.
//

import UIKit
import AVFoundation
import JWPlayerKit

class ThemeOneVM{
    
    weak var vc : ThemeOneVC!
    var cloudMovingRight = false // Flag to track the direction of movement
    var isMovingRight = false // Flag to track the direction of movement
    var liveStreamURL = "https://d3volyx7jx7oal.cloudfront.net/master.m3u8"
    var avPlayer : AVPlayer!
    var playerLayer: AVPlayerLayer!
    
    var shouldAnimate = true

    func initView(){
        vc.bottomArrow.addTapGesture {
            let sb = UIStoryboard(name: K.StoryBoard.theme, bundle: nil)
            let vcPush = sb.instantiateViewController(withIdentifier: K.StoryBoardID.Theme.moreVC) as! MoreVC
            vcPush.modalPresentationStyle = .overCurrentContext
            self.vc.present(vcPush, animated: true)
        }
        AuthFunc.shareInstance.initTimePeriods()
        startInitialTimer()
        moveCloudView()
        handleTaps()
        setUserData()
        handleNotificationCenter()
        addTapGestureToMovingView()
        
        vc.nameLabel.setContentHuggingPriority(.fittingSizeLevel, for: .horizontal)
        vc.nameLabel.setContentCompressionResistancePriority(.fittingSizeLevel, for: .horizontal)
    }
    
    private func handleNotificationCenter(){
        NotificationCenter.default.addObserver(self, selector: #selector(appDidEnterBackground), name: UIApplication.didEnterBackgroundNotification, object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(appWillEnterForeground), name: UIApplication.willEnterForegroundNotification, object: nil)
        
        NotificationCenter.default.addObserver(self, selector: #selector(self.reloadTheme), name: NSNotification.Name(rawValue: K.NotificationCenterReloads.reloadTheme), object: nil)
    }
    
    func setupAvPlayer(){
        /*
         Av Player Setup
         */
        let streamURL = URL(string: liveStreamURL)
        
        // Create AVPlayer with the stream URL
        avPlayer = AVPlayer(url: streamURL!)
        //        avPlayer.isMuted = true
        
        // Create AVPlayerLayer
        playerLayer = AVPlayerLayer(player: avPlayer)
        playerLayer.videoGravity = .resizeAspectFill // You can set different videoGravity as per your need
        
        playerLayer.frame = self.vc.liveTvPlayer.bounds
        self.vc.liveTvPlayer.layer.addSublayer(playerLayer)
        
        avPlayer.play()
        avPlayer.volume = 0
    }
    
    func setUserData(){
        guard let data = AuthFunc.shareInstance.userData else{return}
        //set the first name as the name
        /*
         Check User Type,
         Dont show username if the user type is guest
         */
        switch data.userType{
        case "1": // child
            vc.nameLabel.text = data.fullname?.components(separatedBy: " ").first
            vc.notificationBtnn.isHidden = false
        case "2" : // adult
            vc.nameLabel.text = data.fullname?.components(separatedBy: " ").first
            vc.notificationBtnn.isHidden = false
        case "3": // Guest
            vc.nameLabel.text = ""
            vc.notificationBtnn.isHidden = true
            break
        default:
            break
        }
        if let avatar = data.avtar{
            //https://wokaland.com/admin/storage/app/public/uploads/avtar/avatar2.png?d=1716889852
            vc.avatarImage.imageURL("https://wokaland.com/admin/storage/app/public/uploads/avtar/avatar2.png?d=1716889852")
        }
    }
    
    // MARK: - Notification Center Handlers
    
    @objc func reloadTheme(){
        self.vc.delegate?.didPressSwitchButton(from: self.vc)
    }
    
    @objc func appDidEnterBackground() {
        // Code to execute when the app enters the background
        print("App entered background")
        self.avPlayer.pause()
        self.handleBackground()
    }
    
    @objc func appWillEnterForeground() {
        // Code to execute when the app enters the foreground
        print("App will enter foreground")
        self.avPlayer.play()
        self.handleBackground()
    }
    
    // MARK: - Handle Tap Gesture
    
    func handleTaps(){
        //WebSeries
        vc.webSeriesView.addTapGesture {
            ViewButtonAnimation.sharedInstance.btnTapped(in: self.vc, view: self.vc.webSeriesView) {
                let sb = UIStoryboard(name: K.StoryBoard.webSeries, bundle: nil)
                let vcPush = sb.instantiateViewController(withIdentifier: K.StoryBoardID.WebSeries.webSeriesVC) as! WebSeriesVC
                self.vc.navigationController?.pushViewController(vcPush, animated: true)
            }
        }
        
    }
    
    // MARK: - Animate Clouds and LiveTV
    
    func centerLiveTVViewHorizontally() {
        DispatchQueue.main.async { [weak self] in
            guard let self = self else { return }
            self.vc.liveTVView.center.x = self.vc.view.center.x // Center the liveTVView horizontally
        }
    }
    
    func moveLiveTVView() {
        guard shouldAnimate else { 
            self.centerLiveTVViewHorizontally()
            return
        } // Stop animating if shouldAnimate is false
        guard let vc = self.vc else { return } // Ensure the view controller is available
        UIView.animate(withDuration: 6, delay: 0, options: [.allowUserInteraction], animations: { [weak self] in
            guard let self = self else { return }
            let margin: CGFloat = 30
            let screenWidth = vc.view.frame.width
            let viewWidth = vc.liveTVView.frame.width
            let maxX = screenWidth - margin - viewWidth / 2
            let minX = margin + viewWidth / 2
            
            if self.isMovingRight {
                vc.liveTVView.center.x = maxX // Move to the right
            } else {
                vc.liveTVView.center.x = minX // Move to the left
            }
        }, completion: { [weak self] _ in
            guard let self = self else { return }
            self.isMovingRight.toggle() // Toggle the direction for the next iteration
            DispatchQueue.main.async { // Ensure the recursive call is made on the main thread
                self.moveLiveTVView() // Recursively call moveLiveTVView to create a continuous animation
            }
        })
    }
    
    func moveCloudView() {
        UIView.animate(withDuration: 23, delay: 0, options: [], animations: { [weak self] in
            guard let self else{return}
            if cloudMovingRight {
                //                print("right")
                vc.cloud2.center.x += 140 // Move to the right
                vc.cloud1.center.x -= 140 // Move to the right
            } else {
                //                print("left")
                vc.cloud2.center.x -= 140 // Move to the left
                vc.cloud1.center.x += 140 // Move to the left
            }
        }, completion: { [weak self] _ in
            guard let self else{return}
            cloudMovingRight.toggle() // Toggle the direction for the next iteration
            moveCloudView() // Recursively call moveView to create a continuous animation
        })
    }
    
    // MARK: - LiveTV Tap Handling
    
    private func addTapGestureToMovingView(){
        let tap = UITapGestureRecognizer(target: self, action: #selector(self.handleTap(_:)))
        vc.liveTVView.addGestureRecognizer(tap)
        vc.liveTVView.isUserInteractionEnabled = true
    }
    
    // function which is triggered when handleTap is called
    @objc func handleTap(_ sender: UITapGestureRecognizer) {
        Utilities.startProgressHUD(msg: "Loading...")
        print("tapped")
        let vc = self.vc.storyboard?.instantiateViewController(identifier: "PlayerVC") as! PlayerVC
        
        DispatchQueue.main.async {
            do {
                // Create a JWMediaTrack with the thumbnails .vtt file
                //            let thumbnailTrack = try JWThumbnailTrackBuilder()
                //                .file(URL(string:"https://content.jwplatform.com/videos/Agy4RIje-Ysj2G4DQ.mp4")!)
                //                .build()
                
                // Create a JWPlayerItem
                let item = try JWPlayerItemBuilder()
                    .file(URL(string: self.liveStreamURL)!)
                    .title("Testing Title")
//                    .posterImage(URL(string: "https://img.freepik.com/free-photo/painting-mountain-lake-with-mountain-background_188544-9126.jpg")!)
                //                .mediaTracks([thumbnailTrack])
                    .build()
                
                // Create a config, and give it the item as a playlist.
                let config = try JWPlayerConfigurationBuilder()
                    .playlist(items: [item])
                    .autostart(true)
//                    .preload(.auto)
//                    .repeatContent(true)
                    .build()
                
                vc.config = config
                vc.dismissTapped = self.tapped
                
                vc.modalPresentationStyle = .overFullScreen
                Utilities.dismissProgressHUD()
                self.vc.present(vc, animated: false) {
                    self.stopLiveStream()
                    vc.transitionToFullScreen(animated: true) {
                        print("FullScreen")
                    }
    //                vc.setDeviceOrientation(orientation: .landscapeRight)
                }
//                Utilities.dismissProgressHUD()
//                self.vc.navigationController?.pushViewController(vc, animated: true)
//                self.stopLiveStream()
            }
            catch {
                // Handle Error
            }
        }
    }
    
    func tapped(){
        Timer.scheduledTimer(withTimeInterval: 0.2, repeats: false) { _ in
            self.startLiveStream()
            self.vc.liveTvPlayer.layoutIfNeeded()
        }
        print("Sadasd")
    }
    
    func startLiveStream(){
        avPlayer.play()
        avPlayer.volume = 0
    }
    
    func stopLiveStream(){
        avPlayer.pause()
    }
    // MARK: - Handle Time Change
    
    @objc func handleBackground(){
        let currentTime = Date()
        
        for period in AuthFunc.shareInstance.timePeriods {
            if period.contains(currentTime: currentTime) {
                let details = period.details
                
                // Update view's background color with a gradient or single color
                DispatchQueue.main.async { [weak self] in
                    guard let self else{return}
                    if period.details.dayCycle == .night{
                        startStarGlowAnimation()
                    }else{
                        //just hide the moon and star if its not night
                        !vc.moonImage.isHidden ? vc.moonImage.isHidden = true : nil
                        vc.star.forEach { image in
                            !image.isHidden ? image.isHidden = true : nil
                        }
                    }
                    vc.gradientView.applyGradient(colors: [details.color1, details.color2], startPoint: CGPoint(x: 0, y: 0), endPoint: CGPoint(x: 0, y: 0.8))
                    vc.nameLabel.textColor = details.textColor
                    vc.HelloLabel.textColor = details.textColor
                    vc.welcomeLabel.textColor = details.textColor
                    vc.homeGrass.image = UIImage(named: details.grass)
                }
                break
            }
        }
    }
    
    func startStarGlowAnimation() {
        vc.moonImage.isHidden ? vc.moonImage.isHidden = false : nil
        for (index, imageView) in vc.star.enumerated() {
            //If star is hidden just unhide it for the night time
            (vc.star[index].isHidden) ? (vc.star[index].isHidden = false) : nil
            let animation = CABasicAnimation(keyPath: "opacity")
            animation.fromValue = 1.0
            animation.toValue = 0.07
            animation.duration = 3.0
            animation.autoreverses = true
            animation.repeatCount = .infinity
            
            // Calculate delay for each animation based on index
            let delay = Double(index) * 1 // Adjust the delay as needed
            
            // Apply the delay to the animation
            animation.beginTime = CACurrentMediaTime() + delay
            
            imageView.layer.add(animation, forKey: "glowAnimation")
        }
    }
    
    func startInitialTimer() {
        self.handleBackground()
        let now = Date()
        let nextMinute = Calendar.current.nextDate(after: now, matching: DateComponents(second: 0), matchingPolicy: .nextTime)!
        let timeInterval = nextMinute.timeIntervalSince(now)
        
        // Schedule the initial timer to fire at the start of the next minute
        vc.timer = Timer.scheduledTimer(timeInterval: timeInterval, target: self, selector: #selector(startRepeatingTimer), userInfo: nil, repeats: false)
    }
    
    @objc func startRepeatingTimer() {
        // Handle the minute change when the initial timer fires
        self.handleBackground()
        
        // Schedule the repeating timer to fire every minute
        vc.timer = Timer.scheduledTimer(timeInterval: 60, target: self, selector: #selector(handleBackground), userInfo: nil, repeats: true)
    }
    
}