/**
 *  Copyright 2019
 *
 *  This driver includes a preference to invert/reverse the open and close states.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License. You may obtain a copy of the License at:
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
 *  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
 *  for the specific language governing permissions and limitations under the License.
 *
 */
metadata {
	definition (name: "Virtual Contact Sensor", namespace: "mlritchie", author: "ritchierich") {
		capability "Contact Sensor"
		capability "Sensor"

		command "open"
		command "close"
	}
	preferences {
		input name: "reverseStates", type: "bool", title: "Reverse States?", defaultValue: false
    }
}

def installed() {
	initialize()
}

def updated() {
	initialize()
}

private initialize() {
	if (reverseStates == null) {
		device.updateSetting("reverseStates",[value:"false",type:"bool"])
	}
}

def parse(String description) {
	def pair = description.split(":")
    if (reverseStates == true) {
        def value = pair[1].trim() == "open" ? "closed" : "open"
    }
	createEvent(name: pair[0].trim(), value: value)
}

def open() {
	def value = reverseStates == false ? "open" : "closed"
	sendEvent(name: "contact", value: value)
}

def close() {
	def value = reverseStates == false ? "closed" : "open"
    sendEvent(name: "contact", value: value)
}