var Timer valve1runtimer = null
var Timer valve2runtimer = null
var Timer valve3runtimer = null
var Timer pumpinit = null
var Timer pumptimeout = null
var Timer delaytimeout 
var WATERING = false
var valueOpenTime = 10  //This is the time (seconds) the valves should be open - for watering the plants

//var valueOpenTime in seconds
//var failover time == var timetorun -1 second
//var pump time == 3x runtime -1 second

rule "Reset Irrigation at OH Start"
// Rule to close all irrigation at system start - to avoid flooding
when
    System started
then
    // use this line to just turn everything off if OH happens to restart when irrigation is running
    logInfo("IRRIGATION", "SYSTEM BOOT UP - SHUTDOWN ALL")
    sendCommand(Sprinkler_RUN, OFF)
    sendCommand(Sprinkler_SCHEDULE, OFF)
    sendCommand(Sprinkler_MANUAL, OFF)

    if (velbusvmb4ryldAddress34_irrigationmotor.state == ON){
        logInfo("IRRIGATION","FORCED PUMP STOP - on boot")
        sendCommand(velbusvmb4ryldAddress34_irrigationmotor, OFF)
    }
    if (velbusvmb4ryldAddress34_irrivalve1.state == ON){
        logInfo("IRRIGATION","FORCED VALVE 1 CLOSE - on boot")
        sendCommand(velbusvmb4ryldAddress34_irrivalve1, OFF)
    }
    if (velbusvmb4ryldAddress34_irrivalve2.state == ON){
        logInfo("IRRIGATION","FORCED VALVE 2 CLOSE - on boot")
        sendCommand(velbusvmb4ryldAddress34_irrivalve2, OFF)
    }
    if (velbusvmb4ryldAddress34_irrivalve3.state == ON){
        logInfo("IRRIGATION","FORCED VALVE 3 CLOSE - on boot")
        sendCommand(velbusvmb4ryldAddress34_irrivalve3, OFF)
    }
end

rule "Sprinkler schedule"
when
    Channel 'astro:sun:34d5bcdcb2:daylight#event' triggered START or
    Channel 'astro:sun:34d5bcdcb2:daylight#event' triggered END or
    Channel 'velbus:vmbgp2-2:961ea6934d:14:input#CH1' triggered PRESSED
then
    logInfo("IRRIGATION","IRRIGATION SEQUENCE STARTED - SCHEDULE")
    
    sendCommand(Sprinkler_SCHEDULE, ON)
    if (Sprinkler_RUN.state != ON) {
        sendCommand(Sprinkler_RUN, ON)
    }
end



rule "Sprinkler demand / on"
when 
    //Time cron "0 0 07 ? * * *" or
    Item Sprinkler_RUN received command ON
    //Channel 'astro:sun:34d5bcdcb2:daylight#event' triggered START or
    //Channel 'astro:sun:34d5bcdcb2:daylight#event' triggered END or
    //Channel 'velbus:vmbgp2-2:961ea6934d:14:input#CH1' triggered PRESSED
then
     //valve3runtimer = null
     logInfo("IRRIGATION","IRRIGATION SEQUENCE STARTED")
     WATERING=true
        logInfo("IRRIGATION", "Valve 1: " + velbusvmb4ryldAddress34_irrivalve1.state)
        logInfo("IRRIGATION", "Valve 2: " + velbusvmb4ryldAddress34_irrivalve2.state)
        logInfo("IRRIGATION", "Valve 3: " + velbusvmb4ryldAddress34_irrivalve3.state)
        logInfo("IRRIGATION", "==========")

// first valve to open and start pump
        velbusvmb4ryldAddress34_irrivalve1.sendCommand(ON)
        sendCommand(velbusvmb4ryldAddress34_irrigationmotor, ON)  //PUMP
        logInfo("IRRIGATION", "Valve 1 ON REQUEST" )
        logInfo("IRRIGATION", "Pump ON REQUEST" )
// open valve 2, close valve 1 (as built-in timer seems to not work anymore for closing valve 1)
        valve1runtimer = createTimer(now.plusSeconds(valueOpenTime)) [ |
            velbusvmb4ryldAddress34_irrivalve2.sendCommand(ON)
            logInfo("IRRIGATION", "Valve 2 ON REQUEST" )
            velbusvmb4ryldAddress34_irrivalve1.sendCommand(OFF)
            logInfo("IRRIGATION", "Valve 1 OFF REQUEST" )
        ]
// open valve 3 after valve 2
        valve2runtimer= createTimer(now.plusSeconds((valueOpenTime*2)-1)) [ |
            velbusvmb4ryldAddress34_irrivalve3.sendCommand(ON)
            logInfo("IRRIGATION", "Valve 3 ON REQUEST" )
            velbusvmb4ryldAddress34_irrivalve2.sendCommand(OFF)
            logInfo("IRRIGATION", "Valve 2 OFF REQUEST" )
        ]

// switchoff pump before closing last valve - to release pressure
        pumpinit= createTimer(now.plusSeconds((valueOpenTime*3)-3)) [ |
            sendCommand(velbusvmb4ryldAddress34_irrigationmotor, OFF)
            logInfo("IRRIGATION", "Pump OFF REQUEST" )
        ]

//close the last valve
        valve3runtimer= createTimer(now.plusSeconds((valueOpenTime*3))) [ |
            //velbusvmb4ryldAddress34_irrivalve3.sendCommand(OFF)
            sendCommand(velbusvmb4ryldAddress34_irrivalve3, OFF)
            logInfo("IRRIGATION", "Valve 3 OFF REQUEST" )
            //valve1runtimer = null
            //valve2runtimer = null
            
            //pumptimer = null
            logInfo("IRRIGATION","IRRIGATION SEQUENCE STOPPED")
            WATERING = false
            logInfo("IRRIGATION","DEBUG - at RUN SEQUENCE LEVEL WATERING: " + WATERING)
            sendCommand(Sprinkler_RUN, OFF)
            if (Sprinkler_SCHEDULE == ON) {sendCommand(Sprinkler_SCHEDULE, OFF)}
            if (Sprinkler_MANUAL == ON) {sendCommand(Sprinkler_MANUAL, OFF)}
        ]
end

rule "MANUAL RUN ALL ZONES - vs SINGLE ZONE"
when 
    Member of Sprinkler_Valves changed to ON
then
    logInfo("IRRIGATION","DEBUG - at RUN MANUAL LEVEL WATERING: " + WATERING)
    logInfo("IRRIGATION","DEBUG - at RUN MANUAL LEVEL RUN STATE: " + Sprinkler_RUN.state) 
    if (Sprinkler_RUN.state==OFF) {
        // manual override selected - we can run a full sequence
        timeout= createTimer(now.plusSeconds(2)) [ |
        if (velbusvmb4ryldAddress34_irrivalve1.state == ON && velbusvmb4ryldAddress34_irrivalve2.state == ON) {
            
            // Shutting down valve 2 again - will be opened with full sequence
            sendCommand(velbusvmb4ryldAddress34_irrivalve2, OFF)
            sendCommand(Sprinkler_SCHEDULE, ON)
            if (Sprinkler_RUN.state != ON) {
                logInfo("IRRIGATION","IRRIGATION SEQUENCE MANUAL INITIATION - FOR FULL SEQUENCE")
                WATERING=true
                logInfo("IRRIGATION","DEBUG WATERING: " + WATERING)
                sendCommand(Sprinkler_RUN, ON)
            }
        }

        if (WATERING != true) {
            logInfo("IRRIGATION","DEBUG WATERING: " + WATERING)
            if (velbusvmb4ryldAddress34_irrivalve1.state != OFF || velbusvmb4ryldAddress34_irrivalve2.state != OFF || velbusvmb4ryldAddress34_irrivalve3.state != OFF){
            logInfo("IRRIGATION","IRRIGATION SEQUENCE MANUAL INITATION - FOR SINGLE STATION")
                    sendCommand(velbusvmb4ryldAddress34_irrigationmotor, ON)  //PUMP
                    // switchoff pump before closing last valve - to release pressure
                    pumpinit= createTimer(now.plusSeconds((valueOpenTime)-3)) [ |
                        sendCommand(velbusvmb4ryldAddress34_irrigationmotor, OFF)
                    ]
            // CLOSE ALL VALVES IF OPEN
             valve1runtimer= createTimer(now.plusSeconds(valueOpenTime)) [ |
                if (velbusvmb4ryldAddress34_irrivalve1.state == ON){
                    logInfo("IRRIGATION","FORCED VALVE 1 CLOSE - on manual run")
                    sendCommand(velbusvmb4ryldAddress34_irrivalve1, OFF)
                }
                if (velbusvmb4ryldAddress34_irrivalve2.state == ON){
                    logInfo("IRRIGATION","FORCED VALVE 2 CLOSE - on manual run")
                    sendCommand(velbusvmb4ryldAddress34_irrivalve2, OFF)
                }
                if (velbusvmb4ryldAddress34_irrivalve3.state == ON){
                    logInfo("IRRIGATION","FORCED VALVE 3 CLOSE - on manual run")
                    sendCommand(velbusvmb4ryldAddress34_irrivalve3, OFF)
                }
             ]
            }
        }
        ]
    }
end
        

rule "Sprinkler Pump Forced off - safety"
when 
    Item velbusvmb4ryldAddress34_irrigationmotor changed
then
    logInfo("IRRIGATION", "===============")
    logInfo("IRRIGATION", "PUMP validation")

    delaytimeout= createTimer(now.plusSeconds(2)) [ 
        logInfo("IRRIGATION", "Valve 1: " + velbusvmb4ryldAddress34_irrivalve1.state)
        logInfo("IRRIGATION", "Valve 2: " + velbusvmb4ryldAddress34_irrivalve2.state)
        logInfo("IRRIGATION", "Valve 3: " + velbusvmb4ryldAddress34_irrivalve3.state)
        if (velbusvmb4ryldAddress34_irrivalve1.state == OFF && velbusvmb4ryldAddress34_irrivalve2.state == OFF && velbusvmb4ryldAddress34_irrivalve3.state == OFF) {
                if (velbusvmb4ryldAddress34_irrigationmotor.state == ON){
                    logInfo("IRRIGATION","FORCED PUMP STOP")
                    sendCommand(velbusvmb4ryldAddress34_irrigationmotor, OFF)
                    sendCommand(Sprinkler_RUN, OFF)
            }
        }
        else {
                    logInfo("IRRIGATION","VALVE OPEN - NO FORCED STOP")
        }
    ]
end