var Timer ChromeCastOffTimer = null
val peoplecountermax = 0  // if openhab is restarted, the max value is lost... do we need persistence, how does that work?
val SpaceStatus = ''

rule "Startup"
when
    System started
then
  if (entrance_door_status.state.toString == 'OFF') {
      SpaceStatus = 'open'
  } else { 
      SpaceStatus = 'closed'
  }
end

rule "Door Status"
when
    Item entrance_door_status changed
then
    val state = entrance_door_status.state.toString
    val peoplecountermax 
    // the sensor state is inverted:
    //   OFF means opened
    //   ON  means opened
    if (state == 'OFF') {
        logInfo('door', 'opened')
        SpaceStatus = 'open'
        entrance_ceiling_lamps.sendCommand("ON")
        entrance_marbleadder_lamps.sendCommand("ON")
        chill_zone_lamps.sendCommand("ON")
        chill_zone_ikea_led.sendCommand("ON")
        engineering_table_lamps.sendCommand("ON")
        engineering_ceiling_lamps.sendCommand("ON")
        engineering_status_lamp.sendCommand("ON")
        area42_status_lamp.sendCommand("ON")
        executeCommandLine("/etc/openhab2/syn2cat/spaceapi-set-status.sh open")
        // needs current time in OpenTime
        // sendTweet("It's "+OpenTime+" and we are open \o/ \ncome in and create something awesome =) \nhttps://Level2.lu/openingTimes")

    } else {
        logInfo('door', 'closed')
        SpaceStatus = 'closed'
        // turn the beamer off
        sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3102fd0660")
        chill_zone_screen_button_up.sendCommand("ON")
        entrance_ceiling_lamps.sendCommand("OFF")
        entrance_marbleadder_lamps.sendCommand("OFF")
        chill_zone_lamps.sendCommand("OFF")
        chill_zone_ikea_led.sendCommand("OFF")
        engineering_table_lamps.sendCommand("OFF")
        engineering_ceiling_lamps.sendCommand("OFF")
        engineering_status_lamp.sendCommand("OFF")
        area42_status_lamp.sendCommand("OFF")
        lab_soldering_table.sendCommand("OFF")
        IRCode.sendCommand(transform("MAP", "ir.map", "amp_off"))
        executeCommandLine("/etc/openhab2/syn2cat/spaceapi-set-status.sh closed")
        // needs current time in OpenTime
        // and number of people in peopleMax="\nThere were up to $peopleMax hackers today.\n"
        peoplecountermax=entrance_people_counter_max.state
        if(peoplecountermax>8) {
            peopleMax="\nThere were up to "+peoplecountermax+" hackers today.\n"
        } else {
            peopleMax=".".repeat(peoplecountermax)
        }
        logInfo("door", "twitter message: "+ OpenTime+peopleMax)
        // sendTweet("We just closed our doors at "+OpenTime+peopleMax+" See you very soon... \nhttps://Level2.lu/openingTimes")
        entrance_people_counter_max.postUpdate(0) 
    }
    
    
    logInfo("door", "Space state: {}", state)
end

// ----------------------------------------------------------------------------

rule "Poll People Counter"
when
    //        sec min hour day month weekday year(opt)
    Time cron "*/2 * * ? * *"
then
    val response = sendHttpGetRequest("http://10.2.113.8/output.cgi")
    val count = java.lang.Integer.parseInt(
        transform("XPATH", "/table/tr[4]/td[2]/text()", response).trim()
    )
    if ( SpaceStatus == 'closed' ) {
        count=0
    }
    if ( count != Integer.parseInt(entrance_people_counter.previousState().state.toString)) {
        entrance_people_counter.postUpdate(count)
        // fresh run needs a max init, later we use persistence to init
        if (entrance_people_counter_max.state == NULL) {entrance_people_counter_max.postUpdate(count) }
        // count is bigger, so we got a new maximum
        if(entrance_people_counter_max.state < count) { 
            entrance_people_counter_max.postUpdate(count) 
            logInfo("door", "People counter maximum set to "+ count)
        }
        executeCommandLine("/etc/openhab2/syn2cat/spaceapi-update-peoplecount.sh "+count)
    }
end
        // moved this to some external scripts, way easier with debugging and quoting
        // /usr/bin/curl --max-time 1 --silent --data key="$spaceapikey" --data-urlencode 'sensors={"sensors":{"people_now_present":[{"value":'"$presency"'}]}}' https://spaceapi.syn2cat.lu/sensor/set
        // executeCommandLine("/usr/bin/curl -v --max-time 1 --data key=$(cat /etc/openhab2/spaceapikey.txt) --data-urlencode 'sensors={\"sensors\":{\"people_now_present\":[{\"value\":'+count+'}]}}' https://spaceapi.syn2cat.lu/sensor/set >/tmp/c.log 2>&1")
        // needs import java.net.URLEncoder
        // sendHttpGetRequest("https://spaceapi.syn2cat.lu/sensor/set?"+URLEncoder::encode('key='+spaceapikey+'&sensors={sensors":{"people_now_present":[{"value":'+count+'}]}}')

// ----------------------------------------------------------------------------

rule "Tweet People Count"
when
    Item entrance_people_counter changed
then
    // val people = entrance_people_counter.state.toString
    // sendTweet('There are currently ' + people + ' hackers present. Just pass by!')
end

// ----------------------------------------------------------------------------

rule "Phone Ringing"
when
    Time cron "*/2 * * ? * *"
then
    // we could also fetch the XML but fetching the HTML seems to be faster
    // http://10.2.113.137/admin/spacfg.xml
    val phoneResponse = sendHttpGetRequest("http://10.2.113.137")
    val isRinging = "Ringing" == (transform("REGEX", ".*(Ringing).*", phoneResponse))
    if (isRinging) {
        engineering_ceiling_phone_flash.sendCommand("ON")
    }
end

// ----------------------------------------------------------------------------

rule "Beamer Power"
when
    Item chill_zone_beamer received command
then
    val state = chill_zone_beamer.state.toString
    var beamerResponse

    if (state == 'ON') {
        // turn the beamer on
        beamerResponse = sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3101fe0660")
        chill_zone_screen_button_down.sendCommand("ON")
    } else {
        // turn the beamer off
        beamerResponse = sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3102fd0660")     
    }
    val beamerStatus = transform("XPATH", "/return/text()", beamerResponse).replace("\n", '')
    logInfo("beamer", "Beamer state: {}", beamerStatus)
end

rule "Beamer input"
when
    Item chill_zone_beamer_input received command
then
    val state = chill_zone_beamer_input.state.toString
    var beamerResponse

    if (state == 'hdmi1') {
        beamerResponse = sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3109f6071475") 
    } else  if (state == 'hdmi2') {
        beamerResponse = sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3109f6071576")     
    } else if (state == 'dvi') {
        beamerResponse = sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3109f6070566")
    } else if (state == 'vga1') {
        beamerResponse = sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3109f6070162")
    } else if (state == 'vga2') {
        beamerResponse = sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3109f6070263")  
    }
    else { }
    val beamerStatus = transform("XPATH", "/return/text()", beamerResponse).replace("\n", '')
    logInfo("beamer", "Beamer state: {}", beamerStatus)
end

// ----------------------------------------------------------------------------


rule "Chromecast changed"
when
    Item chill_zone_chromecast_status changed
then
    val l2state = entrance_door_status.state.toString
    if (l2state == 'ON') {
  	  // do nothing if Level2 is closed

    } else {
    
      val app = chill_zone_chromecast_status.state.toString
      if (app === null || app == UNDEF || app == 'UNDEF' || app == '' || app == 'BackDrop' ) {
        // set input to DVI - hackerspace video
        logInfo('beamer', 'start 2min delay before switch input to DVI')
//        ChromeCastOffTimer.cancel()  // stop any timer running 
        ChromeCastOffTimer=createTimer(now.plusSeconds(30)) [
          app = chill_zone_chromecast_status.state.toString
          if (app === null || app == UNDEF || app == 'UNDEF' || app == '' || app == 'BackDrop' ) {
            sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3109f6070566")
            logInfo('beamer', 'Switch to input DVI (after 2min)')
          } else {
            logInfo('beamer', 'after 2min, chromecast again streaming. Not switching off.')
          }
        ]
      } else {
        if (ChromeCastOffTimer !== null) {
            logInfo('chromecast', 'disabling off timer')
            ChromeCastOffTimer.cancel()  // stop any timer running 
        } else {
            logInfo('chromecast', 'no off time running')
        }
        // only switch beamer on if chromecast is actually showing something
        logInfo('chromecast', 'is streaming from '+app)
        chill_zone_beamer.sendCommand("ON")
        chill_zone_screen_button_down.sendCommand("ON")
        // set input to HDMI2 - chromecast
        sendHttpGetRequest("http://10.2.113.7/tgi/return.tgi?command=2a3109f6071576")
        val state = chill_zone_beamer.state.toString
        logInfo('beamer', 'Switch from {} to input HDMI2',state)
      }
    }
end