//Create a class for lock device
package Lock
import SmartThing.SmartThing

public class Lock extends SmartThing {
	// id, label, and display name of the device
	StringBuilder id = new StringBuilder()
	StringBuilder label = new StringBuilder()
	StringBuilder displayName = new StringBuilder()
	// Features with string values
	StringBuilder currentLock = new StringBuilder()
	// Maps from features to values
	HashMap<String, StringBuilder> deviceValuesMap = new HashMap<String, StringBuilder>()


	Lock(Closure sendEvent, StringBuilder id, StringBuilder label, StringBuilder displayName, StringBuilder currentLock) {
		deviceValuesMap = deviceValueSmartThing
		idSmartThing = id
		labelSmartThing = label
		displayNameSmartThing = displayName
		sendEventSmartThings = sendEvent

		// Initialization
		this.id = id
		this.label = label
		this.displayName = displayName
		this.currentLock = currentLock

		deviceValuesMap.put("lock", currentLock)
	}

	// Methods to set values
	def lock() {
		action(currentLock, "locked")
	}

	def lock(LinkedHashMap metaData) {
		lock()
	}
	
	def unlock() {
		action(currentLock, "unlocked")
	}

	def unlock(LinkedHashMap metaData) {
		unlock()
	}

	def action(StringBuilder variable, String newValue) {
		if (!variable.toString().equals(newValue)) {
			String tmpID = id.toString()
			variable.replace(0, variable.length(), newValue)
			println("Lock with id:$tmpID is changed to $newValue!")
			sendEvent([name: "lock", value: newValue, deviceId: tmpID, descriptionText: "",
				   displayed: true, linkText: "", isStateChange: false, unit: "", data: '{"info": "info"}'])
		}
	}

	// Methods to return values
	def getCurrentLock() {
		return currentLock.toString()
	}

}