//
//  ThemeOneVC.swift
//  WOKA
//
//  Created by Bilal on 03/05/2024.
//

import UIKit
import Alamofire

class ThemeOneVC: UIViewController {

    @IBOutlet weak var gradientView: UIView!
    @IBOutlet weak var cloud2: UIImageView!
    @IBOutlet weak var cloud1: UIImageView!
    @IBOutlet weak var liveTVView: UIView!
    @IBOutlet weak var liveTvPlayer: UIView!
    @IBOutlet weak var homeGrass: UIImageView!
    @IBOutlet weak var nameLabel: UILabel!
    @IBOutlet weak var welcomeLabel: LocalisedElementsLabel!
    @IBOutlet weak var HelloLabel: LocalisedElementsLabel!
    @IBOutlet weak var liveTVIcon: UIView!
    
    @IBOutlet weak var notificationBtnn: UIButton!
    @IBOutlet weak var avatarImage: UIImageView!
    
    @IBOutlet weak var webSeriesView: UIView!
    @IBOutlet weak var audioBooksView: UIView!
    @IBOutlet var star: [UIImageView]!
    @IBOutlet weak var moonImage: UIImageView!
    @IBOutlet weak var moreStack: UIStackView!
    @IBOutlet weak var bottomArrow: UIImageView!
    @IBOutlet weak var gamesView: UIView!
    @IBOutlet weak var karaokeView: UIView!
    @IBOutlet weak var shopView: UIView!
    
    @IBOutlet weak var liveTVActivityIndicator: UIActivityIndicatorView!
    
    var timer: Timer?

    var vm = ThemeOneVM()
    
    weak var delegate: ChildViewControllerDelegate?
    

    deinit{
        timer?.invalidate()
        // Removing observers
        NotificationCenter.default.removeObserver(self, name: UIApplication.didEnterBackgroundNotification, object: nil)
        NotificationCenter.default.removeObserver(self, name: UIApplication.willEnterForegroundNotification, object: nil)
        NotificationCenter.default.removeObserver(self, name: NSNotification.Name(rawValue: K.NotificationCenterReloads.reloadTheme), object: nil)
        NotificationCenter.default.removeObserver(self, name: NSNotification.Name(rawValue: K.NotificationCenterReloads.themeOnePush), object: nil)
        
        vm.playerItem.removeObserver(self, forKeyPath: "status")
        vm.avPlayer.removeObserver(self, forKeyPath: "timeControlStatus")
        vm.playerItem.removeObserver(self, forKeyPath: "isPlaybackBufferEmpty")
        vm.playerItem.removeObserver(self, forKeyPath: "isPlaybackLikelyToKeepUp")
        vm.avPlayer.pause()
    }
    
    override var preferredStatusBarStyle: UIStatusBarStyle {
        .darkContent
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        vm.vc = self
        vm.initView()
//        connectedToNetwork()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        setNeedsStatusBarAppearanceUpdate()
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        vm.shouldAnimate = false
        if let player = vm.avPlayer{
            player.pause()
        }
    }
    
    override func viewDidAppear(_ animated: Bool) {
        vm.shouldAnimate = true
        K.GVar.topView = .theme1
        vm.moveLiveTVView()
        if let player = vm.avPlayer{
            player.play()
        }
    }
    
    override func viewDidLayoutSubviews() {
        vm.setupAvPlayer()
        self.addObservers()
    }
    
    // Define a function to customize tab bar item icon size
    func customizeTabBarItemIconSize() {
        // Get a reference to the tab bar controller
        if let tabBarController = self.tabBarController {
            // Loop through each tab bar item
            for item in tabBarController.tabBar.items! {
                // Adjust the image insets to increase the icon size
                item.imageInsets = UIEdgeInsets(top: 2, left: -5, bottom: -8, right: -5)
                item.titlePositionAdjustment.vertical = CGFloat(8)
            }
        }
    }
    
    @IBAction func barButtonTapped(_ sender: UIButton) {
        self.sideMenuController?.revealMenu()
    }
    
    @IBAction func notificationBtnTapped(_ sender: UIButton) {
        CommonNwCall.shareInstance.getUserNotification(vc: self) { isDone in
            if isDone{
                let sb = UIStoryboard(name: K.StoryBoard.theme, bundle: nil)
                let vcPush = sb.instantiateViewController(withIdentifier: K.StoryBoardID.Home.userNotificationVC) as! UserNotificationVC
                self.navigationController?.pushViewController(vcPush, animated: true)
            }
        }
    }
    
    @IBAction func radioBtnTapped(_ sender: UIButton) {
        let sb = UIStoryboard(name: K.StoryBoard.wokaFM, bundle: nil)
        let vcPush = sb.instantiateViewController(withIdentifier: K.StoryBoardID.WokaFM.wokaFMVC) as! WokaFMVC
        vcPush.modalPresentationStyle = .overCurrentContext
        vcPush.modalTransitionStyle = .crossDissolve
        self.present(vcPush, animated: true)
    }
}

// MARK: - Handle Live TV Observer

extension ThemeOneVC{
    func startMonitoring(){
        NetworkReachibility.shared.startMonitoring { [weak self] isConnected in
            guard let self else{return}
            switch isConnected{
            case true: // if network is connected than stop
                // when internet is back we have to setup player again
                NetworkReachibility.shared.stopMonitoring()
//                vm.avPlayer.play()
                print("network connection is back")
            case false:
                // if there is no internet connection prompt user and show reload icon
                self.toast(msg: "Lost Connection.", time: 1.4)
                liveTVActivityIndicator.stopAnimating()
            }
        }
    }
        
    func addObservers() {
        // Observe the player's status
        vm.playerItem.addObserver(self, forKeyPath: "status", options: [.new, .old], context: nil)
        
        // Observe the player's time control status
        vm.avPlayer.addObserver(self, forKeyPath: "timeControlStatus", options: [.new, .old], context: nil)
        
        // Observe buffering status
        vm.playerItem.addObserver(self, forKeyPath: "isPlaybackBufferEmpty", options: [.new, .old], context: nil)
        vm.playerItem.addObserver(self, forKeyPath: "isPlaybackLikelyToKeepUp", options: [.new, .old], context: nil)
    }
    
    override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
        if keyPath == "status" {
            if vm.playerItem.status == .readyToPlay {
                print("Player is ready to play")
                vm.avPlayer.play()
            } else if vm.playerItem.status == .failed {
                print("Player failed to load")
                if !liveTVActivityIndicator.isAnimating{
                    liveTVActivityIndicator.startAnimating()
                }
            }
        } else if keyPath == "timeControlStatus" {
            switch vm.avPlayer.timeControlStatus {
            case .playing:
                print("Player is playing")
                liveTVActivityIndicator.stopAnimating()
            case .paused:
                print("Player is paused")
                vm.avPlayer.play()
                liveTVActivityIndicator.stopAnimating()
            case .waitingToPlayAtSpecifiedRate:
                print("Player is Buffering 1")
                if !(NetworkReachabilityManager()?.isReachable ?? false){
                    if !NetworkReachibility.shared.isMonitoring{
                        startMonitoring()
                    }
                }
            @unknown default:
                break
            }
        } else if keyPath == "isPlaybackBufferEmpty" {
            if vm.playerItem.isPlaybackBufferEmpty {
                print("Player is buffering 2")
                liveTVActivityIndicator.startAnimating()
                startMonitoring()
            }
        } else if keyPath == "isPlaybackLikelyToKeepUp" {
            if vm.playerItem.isPlaybackLikelyToKeepUp {
                print("Player is likely to keep up with the playback")
            }
        }
    }
}

class NavigationController: UINavigationController {

    open override var childForStatusBarHidden: UIViewController? {
        return self.topViewController
    }

    open override var childForStatusBarStyle: UIViewController? {
        return self.topViewController
    }
}


extension UINavigationController {
    func pushWithPopInAnimation(_ viewController: UIViewController, duration: CFTimeInterval = 0.3) {
        let transition = CATransition()
        transition.duration = duration
        transition.type = CATransitionType.push
        transition.subtype = CATransitionSubtype.fromRight
        
        // Customize the animation to look like a "pop-in"
        transition.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut)
        
        self.view.layer.add(transition, forKey: kCATransition)
        self.pushViewController(viewController, animated: false)
    }
}