//Create a class for music player
package MusicPlayer
import Timer.SimulatedTimer


public class MusicPlayer {
	def sendEvent
	private String id
	private String label
	private String displayName
	private int level
	private String mute
	private String status
	private int trackNumber
	private String trackData
	private String trackDescription
	def sendEvent
	
	MusicPlayer(Closure sendEvent, String id, String label, String displayName, int level, String mute, String status, int trackNumber, String trackData, String trackDescription) {
		this.sendEvent = sendEvent
		this.id = id
		this.label = label
		this.displayName = displayName
		this.level = level
		this.mute = mute
		this.status = status
		this.trackNumber = trackNumber
		this.trackData = trackData
		this.trackDescription = trackDescription
	}

	//By model checker
	def setValue(String value, String name) {
		if ((name == "status") && (value != this.status)) {
			this.status = value
			println("the status of the music player with id:$id is changed to $value!")
		} else if ((name == "level") && (value != this.level)) {
			this.level = value.toInteger()
			println("the level sound of the music player with id:$id is changed to $value!")
		} else if ((name == "trackDescription") && (value != this.trackDescription)) {
			this.trackDescription = value
			println("the trackDescription of the music player with id:$id is changed to $value!")
		} else if ((name == "trackData") && (value != this.trackData)) {
			this.trackData = value
			println("the trackData of the music player with id:$id is changed to $value!")
		} else if ((name == "mute") && (value != this.mute)) {
			this.mute = value
			println("the mute state of the music player with id:$id is changed to $value!")
		}
	}

	//methods
	def mute() {
		if (mute != "muted") {
			println("the music player with id:$id is muted!")
			this.mute = "muted"
			sendEvent([name: "mute", value: "muted", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "mute.muted", value: "muted", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}
	def nextTrack() {
		trackNumber = trackNumber+1
		def trackPlaying = trackData
		println("the $trackPlaying is selected!")
		if (status != "playing") {
			this.status = "playing"
			sendEvent([name: "status", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.playing", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
		sendEvent([name: "trackDescription", value: "someDescriptions", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		sendEvent([name: "trackData", value: "someTrack", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
	}
	def pause() {
		if (status != "paused") {
			println("the music player with id:$id is paused!")
			this.status = "paused"
			sendEvent([name: "status", value: "paused", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.paused", value: "paused", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}
	def play() {
		if (status != "playing") {
			println("the music player with id:$id is starting to play!")
			this.status = "playing"
			sendEvent([name: "status", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.playing", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}
	def playTrack(String trackToPlay) {
		def trackPlaying = trackData
		println("the $trackPlaying is selected to play!")
		if (status != "playing") {		
			this.status = "playing"
			sendEvent([name: "status", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.playing", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
		sendEvent([name: "trackDescription", value: "someDescriptions", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		sendEvent([name: "trackData", value: "someTrack", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
	}
	def previousTrack() {
		if (trackNumber != 1)
			trackNumber = trackNumber-1
		def trackPlaying = trackData
		println("the $trackPlaying is selected!")
		if (status != "playing") {
			this.status = "playing"
			sendEvent([name: "status", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.playing", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
		sendEvent([name: "trackDescription", value: "someDescriptions", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		sendEvent([name: "trackData", value: "someTrack", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
	}
	/*def restoreTrack(String trackToRestore) {
		musicPlayers*.restoreTrack(trackToRestore)
	}*/
	def resumeTrack(String trackToResume) {
		def trackPlaying = trackData
		println("the $trackPlaying is resumed!")
		if (status != "playing") {
			this.status = "playing"
			sendEvent([name: "status", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.playing", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}
	def setLevel(int level) {
		if (level != this.level) {
			this.level = level
			println("the level of sound is changed to $level!")
			sendEvent([name: "level", value: "$level", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}
	def setTrack(String trackToSet) {
		def trackPlaying = trackData
		println("the $trackPlaying is set!")
		if (status != "playing") {
			this.status = "playing"
			sendEvent([name: "status", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.playing", value: "playing", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
		sendEvent([name: "trackDescription", value: "someDescriptions", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		sendEvent([name: "trackData", value: "someTrack", deviceId: this.id, descriptionText: "",
			   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
	}
	def stop() {
		if (status != "stopped") {
			println("the music player with id:$id is stopped!")
			this.status = "stopped"
			sendEvent([name: "status", value: "stopped", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.stopped", value: "stopped", deviceId: this.id, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}
	def playText(String text) {
		println("the music player with id:$id is playing the text:$text!")
		if (status != "playing") {
			this.status = "playing"
			sendEvent([name: "status", value: "playing", deviceId: this.id, descriptionText: "",
				  displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
			sendEvent([name: "status.playing", value: "playing", deviceId: this.id, descriptionText: "",
				  displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}

	def currentValue(String deviceFeature) {
		if (deviceFeature == "musicPlayer") {
			return status
		}
	}

	def latestValue(String deviceFeature) {
		if (deviceFeature == "musicPlayer") {
			return status
		}
	}
}