import SwiftUI

//import Foundation

import AVFoundation

import MediaPlayer

import AVKit



struct NowPlayingData: Codable , Identifiable  {

  var id,artist,song,cover:String



  private enum CodingKeys : String, CodingKey {

    case id = "_id", artist , song , cover

  }

}



class MusicPlayer {

static let shared = MusicPlayer()

static var mediatype = ""

static var artist = ""

static var song = ""

static var cover = ""

static var uuid = UIDevice.current.identifierForVendor?.uuidString





var player: AVPlayer?

let playerViewController = AVPlayerViewController()



    

    

    

    func gettype(completion: @escaping (String) -> Void){

          

            completion(MusicPlayer.mediatype)

       

      }

      

      func getPodCastPlayerNP(completion: @escaping (NowPlayingData) -> ()) {

       // Timer.scheduledTimer(withTimeInterval: 15, repeats: true) { (timer) in

          let songdata = "{\"_id\": \"1\",\"song\": \"\(MusicPlayer.song)\",\"artist\": \"\(MusicPlayer.artist)\", \"cover\": \"\(MusicPlayer.cover)\"}"

          let data: Foundation.Data = songdata.data(using: .utf8)!

          

          let podcast = try! JSONDecoder().decode(NowPlayingData.self, from: data)

                

                         //print(data!)

                        // let episode = podcast.programs

                        DispatchQueue.main.async{

                            // The array is stored under programs now

                          //print(podcast)

                          completion(podcast)

                        }

         // }

      }



    func startBackgroundMusic(url: String, type:String) {

     

        MusicPlayer.mediatype = String(type)

        

        //let urlString = "http://stream.radiomedia.com.au:8003/stream"

        let urlString = url+"?uuid="+MusicPlayer.uuid!

        print(urlString)

        guard let url = URL.init(string: urlString) else { return }



        let playerItem = AVPlayerItem.init(url: url)

        player = AVPlayer.init(playerItem: playerItem)

        

      

        do {



            try AVAudioSession.sharedInstance().setCategory(.playback, mode: .default, options: [.duckOthers, .defaultToSpeaker, .mixWithOthers, .allowAirPlay])

            print("Playback OK")

           // let defaults = UserDefaults.standard

           // defaults.set("1", forKey: defaultsKeys.musicplayer_connected)

            try AVAudioSession.sharedInstance().setActive(true)

            print("Session is Active")

        } catch {

           // let defaults = UserDefaults.standard

          //  defaults.set("0", forKey: defaultsKeys.musicplayer_connected)

            print(error)

        }



         #if targetEnvironment(simulator)



        self.playerViewController.player = player

        self.playerViewController.player?.play()

        print("SIMULATOR")



         #else



        self.setupRemoteTransportControls()

        player?.play()



        #endif

        



    }

    

    

    func startBackgroundMusicTwo() {



        

        let urlString = "http://stream.radiomedia.com.au:8003/stream"

        //let urlString = url

        guard let url = URL.init(string: urlString) else { return }



        let playerItem = AVPlayerItem.init(url: url)

        player = AVPlayer.init(playerItem: playerItem)

        

      

        do {



            try AVAudioSession.sharedInstance().setCategory(.playback, mode: .default, options: [.duckOthers, .defaultToSpeaker, .mixWithOthers, .allowAirPlay])

            print("Playback OK")

           // let defaults = UserDefaults.standard

           // defaults.set("1", forKey: defaultsKeys.musicplayer_connected)

            try AVAudioSession.sharedInstance().setActive(true)

            print("Session is Active")

        } catch {

           // let defaults = UserDefaults.standard

          //  defaults.set("0", forKey: defaultsKeys.musicplayer_connected)

            print(error)

        }



         #if targetEnvironment(simulator)



        self.playerViewController.player = player

        self.playerViewController.player?.play()

        print("SIMULATOR")



         #else



        self.setupRemoteTransportControls()

        player?.play()



        #endif



    }









func setupRemoteTransportControls() {

   // Get the shared MPRemoteCommandCenter

    let commandCenter = MPRemoteCommandCenter.shared()



    // Add handler for Play Command

    commandCenter.playCommand.addTarget { [unowned self] event in

        if self.player?.rate == 0.0 {

            self.player?.play()

            return .success

        }

        return .commandFailed

    }



    // Add handler for Pause Command

    commandCenter.pauseCommand.addTarget { [unowned self] event in

        if self.player?.rate == 1.0 {

            self.player?.pause()

            return .success

        }

        return .commandFailed

    }



   // self.nowplaying(artist: "Anna", song: "test")





}



func nowplaying(with artwork: MPMediaItemArtwork, artist: String, song: String){

  



MPNowPlayingInfoCenter.default().nowPlayingInfo = [

      MPMediaItemPropertyTitle:song,

      MPMediaItemPropertyArtist:artist,

      MPMediaItemPropertyArtwork: artwork,

      MPNowPlayingInfoPropertyIsLiveStream: true

]





   // self.getArtBoard();

}





func setupNowPlayingInfo(with artwork: MPMediaItemArtwork) {

      MPNowPlayingInfoCenter.default().nowPlayingInfo = [

           MPMediaItemPropertyTitle: "Some name",

           MPMediaItemPropertyArtist: "Some name",

           MPMediaItemPropertyArtwork: artwork,

           //MPMediaItemPropertyPlaybackDuration: CMTimeGetSeconds(currentItem.duration),

           //MPNowPlayingInfoPropertyPlaybackRate: 1,

           //MPNowPlayingInfoPropertyElapsedPlaybackTime: CMTimeGetSeconds(currentItem.currentTime())

       ]

   }







func getData(from url: URL, completion: @escaping (UIImage?) -> Void) {

    URLSession.shared.dataTask(with: url, completionHandler: {(data, response, error) in

        if let data = data {

            completion(UIImage(data:data))

        }

    })

        .resume()

}



func getArtBoard(artist: String, song: String, cover: String) {

   // MusicPlayer.JN = "[{'artist': \(artist), 'song':\(song), 'cover': \(cover)}]"

    MusicPlayer.artist = artist

    MusicPlayer.song = song

    MusicPlayer.cover = cover

    

    

    guard let url = URL(string: cover) else { return }

    getData(from: url) { [weak self] image in

        guard let self = self,

            let downloadedImage = image else {

                return

        }

        let artwork = MPMediaItemArtwork.init(boundsSize: downloadedImage.size, requestHandler: { _ -> UIImage in

            return downloadedImage

        })

        self.nowplaying(with: artwork, artist: artist, song: song)

    }

}







    func stopBackgroundMusic() {

        guard let player = player else { return }

        player.pause()



}

}