// https://community.openhab.org/t/design-pattern-expire-binding-based-timers/32634
// https://community.openhab.org/t/design-pattern-expire-binding-based-countdown-timer/49225

var Debug_Mode = false

var Timer timer_Watering_Vorne = null
var Timer timer_Watering_Seite = null
var Timer timer_Watering_Hinten = null
var Timer timer_Watering_Droeppler = null
var Timer timer_Watering_Ende = null

var duration_Watering_Vorne = 0
var duration_Watering_Seite = 0
var duration_Watering_Hinten = 0
var duration_Watering_Droeppler = 0

val duration_Watering_Pause = -1
val start_delay = 0

var now_plus_duration = 0

var TriplePlay = false

rule "System started gardena.rules"
    when
        System started
    then
        logInfo("started", "Started model 'irrigation.rules'")

        Ventilverteiler_Valves_Duration.members.forEach [ item | 
				sendCommand(item,0)
			]

        Ventilverteiler_Valves_commands_Duration.members.forEach [ item | 
				sendCommand(item,0)
			]
    end

rule "Switch 1 ON"
    when
        // Item Ventilverteiler_Valve_1_Duration changed from "0.0 min" to "33.0 min"
        Item Ventilverteiler_Valves_Switch_1 changed to ON
    then

        logInfo("Switch 1", "Started TriplePlay ON")

        Thread::sleep(5000)

        Ventilverteiler_Valve_1_commands_Duration.sendCommand(22)
        Ventilverteiler_Valve_1_commands_start_seconds_to_override.sendCommand(ON)

        logInfo("Switch 1", "Started TriplePlay 2")

        TripePlay = true

    end

rule "Switch 1 OFF"
    when
        // Item Ventilverteiler_Valve_1_Duration changed from "0.0 min" to "33.0 min"
        Item Ventilverteiler_Valves_Switch_1 changed to OFF
    then

        logInfo("Switch 1", "Stopped TriplePlay 1")

        Thread::sleep(5000)

        Ventilverteiler_Valve_1_commands_stop_until_next_task.sendCommand(ON)

        logInfo("Switch 1", "Stopped TriplePlay 2")

        TripePlay = false

    end

rule "TriplePlay ON"
    when
        Item Ventilverteiler_Valve_1_Duration changed from "0.0 min" to "33.0 min" or
        Item Ventilverteiler_Valves_Switch_2 changed to ON
    then

        logInfo("TriplePlay", "Started TriplePlay Rule - Debug Mode: " + Debug_Mode.toString)

        if (Debug_Mode == true) {
            duration_Watering_Vorne = 2
            duration_Watering_Seite = 2
            duration_Watering_Hinten = 2
            duration_Watering_Droeppler = 2
        } else {
            duration_Watering_Vorne = 30
            duration_Watering_Seite = 30
            duration_Watering_Hinten = 45
            duration_Watering_Droeppler = 20
        }

        Ventilverteiler_Valves_commands_stop_until_next_task.members.forEach [ item | 
            sendCommand(item,ON)
        ]

        if (timer_Watering_Vorne !== null && timer_Watering_Vorne.isRunning == true) {
            timer_Watering_Vorne.cancel
            timer_Watering_Vorne = null
        }

        if (timer_Watering_Seite !== null && timer_Watering_Seite.isRunning == true) {
            timer_Watering_Seite.cancel
            timer_Watering_Seite = null
        }

        if (timer_Watering_Hinten !== null && timer_Watering_Hinten.isRunning == true) {
            timer_Watering_Hinten.cancel
            timer_Watering_Hinten = null
        }

        if (timer_Watering_Droeppler !== null && timer_Watering_Droeppler.isRunning == true) {
            timer_Watering_Droeppler.cancel
            timer_Watering_Droeppler = null
        }

        if (timer_Watering_Ende !== null && timer_Watering_Ende.isRunning == true) {
            timer_Watering_Ende.cancel
            timer_Watering_Ende = null
        }

        // Schritt 1 - Bewässerung Vorne starten

        now_plus_duration = start_delay
        logInfo("irrigation", "timer_Watering_Vorne is starting at " + now.plusMinutes(now_plus_duration).toString + " for " + duration_Watering_Vorne.toString + " min.")
        timer_Watering_Vorne = createTimer(now.plusMinutes(now_plus_duration), [ |
            logInfo("irrigation", "timer_Watering_Vorne activated at " + now.toString + " for " + duration_Watering_Vorne.toString + " mins. until " + now.plusMinutes(duration_Watering_Vorne).toString)
            Pumpe_Valve_commands_Duration.sendCommand(duration_Watering_Vorne + 5)
            Pumpe_Valve_commands_start_seconds_to_override.sendCommand(ON)
            Ventilverteiler_Valve_3_commands_Duration.sendCommand(duration_Watering_Vorne)
            Ventilverteiler_Valve_3_commands_start_seconds_to_override.sendCommand(ON)
        ])

        // Schritt 2 - Bewässerung Seite starten

        now_plus_duration = start_delay + 
                            duration_Watering_Vorne + 
                            duration_Watering_Pause

        logInfo("irrigation", "timer_Watering_Seite is starting at " + now.plusMinutes(now_plus_duration).toString + " for " + duration_Watering_Seite.toString + " min.")
        timer_Watering_Seite = createTimer(now.plusMinutes(now_plus_duration), [ |
            logInfo("irrigation", "timer_Watering_Seite activated at " + now.toString + " for " + duration_Watering_Seite.toString + " mins. until " + now.plusMinutes(duration_Watering_Seite).toString)
            Pumpe_Valve_commands_Duration.sendCommand(duration_Watering_Seite + 5)
            Pumpe_Valve_commands_start_seconds_to_override.sendCommand(ON)
            Ventilverteiler_Valve_4_commands_Duration.sendCommand(duration_Watering_Seite)
            Ventilverteiler_Valve_4_commands_start_seconds_to_override.sendCommand(ON)
        ])

        // Schritt 3 - Bewässerung Hinten starten

        now_plus_duration = start_delay + 
                            duration_Watering_Vorne + 
                            duration_Watering_Pause + 
                            duration_Watering_Seite + 
                            duration_Watering_Pause

        logInfo("irrigation", "timer_Watering_Hinten is starting at " + now.plusMinutes(now_plus_duration).toString + " for " + duration_Watering_Hinten.toString + " min.")
        timer_Watering_Hinten = createTimer(now.plusMinutes(now_plus_duration), [ |
            logInfo("irrigation", "timer_Watering_Hinten activated at " + now.toString + " for " + duration_Watering_Hinten.toString + " mins. until " + now.plusMinutes(duration_Watering_Hinten).toString)
            Pumpe_Valve_commands_Duration.sendCommand(duration_Watering_Hinten + 5)
            Pumpe_Valve_commands_start_seconds_to_override.sendCommand(ON)
            Ventilverteiler_Valve_2_commands_Duration.sendCommand(duration_Watering_Hinten)
            Ventilverteiler_Valve_2_commands_start_seconds_to_override.sendCommand(ON)
        ])

        // Schritt 4 - Bewässerung Dröppler starten

        now_plus_duration = start_delay + 
                            duration_Watering_Vorne + 
                            duration_Watering_Pause + 
                            duration_Watering_Seite + 
                            duration_Watering_Pause + 
                            duration_Watering_Droeppler

        logInfo("irrigation", "timer_Watering_Droeppler is starting at " + now.plusMinutes(now_plus_duration).toString + " for " + duration_Watering_Droeppler.toString + " min.")
        timer_Watering_Hinten = createTimer(now.plusMinutes(now_plus_duration), [ |
            logInfo("irrigation", "timer_Watering_Droeppler activated at " + now.toString + " for " + duration_Watering_Droeppler.toString + " mins. until " + now.plusMinutes(duration_Watering_Droeppler).toString)
            Pumpe_Valve_commands_Duration.sendCommand(duration_Watering_Droeppler + 5)
            Pumpe_Valve_commands_start_seconds_to_override.sendCommand(ON)
            Ventilverteiler_Valve_6_commands_Duration.sendCommand(duration_Watering_Droeppler)
            Ventilverteiler_Valve_6_commands_start_seconds_to_override.sendCommand(ON)
        ])

        // Schritt 5 - Alles beenden
        now_plus_duration = start_delay + 
                            duration_Watering_Vorne + 
                            duration_Watering_Pause + 
                            duration_Watering_Seite + 
                            duration_Watering_Pause + 
                            duration_Watering_Hinten + 
                            duration_Watering_Pause + 
                            duration_Watering_Droeppler

        logInfo("irrigation", "TriplePlay ends at " + now.plusMinutes(now_plus_duration).toString)
        timer_Watering_Ende = createTimer(now.plusMinutes(now_plus_duration), [ |
            logInfo("irrigation", "TriplePlay ended at " + now.toString)
            TriplePlay = false
            Ventilverteiler_Valves_Switch_2.sendCommand(OFF)
        ])

        logInfo("TriplePlay", "Ended TriplePlay Rule")

        TriplePlay = true

    end

rule "TriplePlay OFF"
    when
        Item Ventilverteiler_Valve_1_Duration changed from "0.0 min" to "44.0 min" or
        Item Ventilverteiler_Valves_Switch_2 changed to OFF
    then

        logInfo("TriplePlay Stop", "Started TriplePlay")

        if (timer_Watering_Vorne !== null) {
            timer_Watering_Vorne.cancel
            timer_Watering_Vorne = null
        }

        if (timer_Watering_Seite !== null) {
            timer_Watering_Seite.cancel
            timer_Watering_Seite = null
        }

        if (timer_Watering_Hinten !== null) {
            timer_Watering_Hinten.cancel
            timer_Watering_Hinten = null
        }

        if (timer_Watering_Droeppler !== null) {
            timer_Watering_Droeppler.cancel
            timer_Watering_Droeppler = null
        }

        if (timer_Watering_Ende !== null) {
            timer_Watering_Ende.cancel
            timer_Watering_Ende = null
        }

        // Schritt 1 - Alle Ventile schliessen

        Ventilverteiler_Valves_commands_stop_until_next_task.members.forEach [ item | 
            sendCommand(item,ON)
        ]

        // Schritt 2 - Pumpe stoppen

        Pumpe_Valve_commands_stop_until_next_task.sendCommand(ON)

        logInfo("TriplePlay Stop", "Stopped TriplePlay")

        TriplePlay = false

    end