#!/bin/bash
if [ "$#" -ne "8" ]; then
  echo "USAGE: run_scan WAVEMIN WAVEMAX WAVESTEP TIME SLITWIDTH CBPSHUTTER LOG_DIRECTORY RUN_NAME"
  exit 1
fi

i=1
wavemin="$1"
wavemax="$2"
wavestep="$3"
time="$4"
slitwidth="$5"
cbpshutter="$6"
direc="$7"
pitmplogfile="/tmp/CBPtmp.tmp"
runname=$8
echo "=====CURRENT SETTINGS===="
echo "WAVEMIN: $wavemin"
echo "WAVEMAX: $wavemax"
echo "WAVESTEP: $wavestep"
echo "TIME: $time"
echo "SLITWIDTH: $slitwidth"
echo "CBPSHUTTER: $cbpshutter"
echo "LOG_DIRECTORY: $direc"
echo "PI WRITING TMP LOGS TO: $pitmplogfile"
echo "BASE RUN NAME: $runname"
echo "========================="
echo
echo "Are dome lights off??"
echo "Is the correct filter in place??"
echo "Are current exposure settings correct??"

suffix=.fits
rootdirec=/data/npm/January18/d2/
pan set rootname /data/npm/January18/d2/cbp_

lastwave=$wavemin
if [ "$wavemin" -ge "600" ]; then
    echo -e "==========================================="
    echo -e "ORDER BLOCKING FILTER MUST BE IN PLACE!!!!!"
    echo -e "==========================================="
    /home/observer/test/runpiwave.sh $wavemin &
    echo -e "MOVING CBP TO WAVELENGTH ${wavemin}....."
    sleep 30
else
    /home/observer/test/runpiwave.sh $wavemin &
    echo -e "MOVING CBP TO WAVELENGTH ${wavemin}....."
    sleep 30
fi
 
for wavelength in `seq $wavemin $wavestep $wavemax` ; do
  #check to see if we need to put in order blocking filter
  if [[ "$lastwave" -lt "600" ]] && [[ "$wavelength" -ge "600" ]]; then
    echo -e "==========================================="
    echo -e "WARNING: ORDER BLOCKING FILTER CHANGE!!!!!!"
    echo -e "==========================================="
    /home/observer/test/runpiwave.sh $wavelength &
    echo -e "MOVING CBP TO WAVELENGTH ${wavelength}....."
    sleep 30
  fi

  #setup CBP
  echo "------------------------------------------------------"
  echo "CURRENT WAVELENGTH: $wavelength"
  echo "DOING LIGHT INTEGRATION FOR TIME $time"
  exptime=`expr $time + 2`
  pan set type DFLAT
  pan set exptime $((exptime * 1000))

  if [ "$cbpshutter" -eq "1" ]; then
    shutstat="open"
  else
    shutstat="closed"
  fi
  pan set imagecomment "WAVE $wavelength CBPTIME $time SHUTTER $shutstat SLIT $slitwidth"
  
  #send cmd to CBP to move wavelengths and open shutter
  /home/observer/test/runpi.sh $wavelength $time $cbpshutter $pitmplogfile & #1 means shutter open
  pan expose
  sleep 30
  latestfile=`ls -t $rootdirec | head -1`
  logname="${latestfile%$suffix}"
  logpath="$direc${logname}.dat"
  cp "$pitmplogfile" "$logpath"
  rm "$pitmplogfile"

  if [ -f $logpath ]; then
      echo "Wrote log to $logpath"
  else
      echo "-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-"
      echo "ERROR WRITING LOG.  ABORTING."
      echo "-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-"
      exit 1
  fi

#uncomment these lines to do darks for each exposure
  echo "DOING DARK INTEGRATION FOR TIME $time"
  pan set imagecomment "WAVE $wavelength CBPTIME $time SHUTTER closed"
  /home/observer/test/runpi.sh $wavelength $time 0 $pitmplogfile & #0 means shutter closed
  pan expose
  sleep 30
  latestfile=`ls -t $rootdirec | head -1`
  logname="${latestfile%$suffix}"
  logpath="$direc${logname}.dat"
  cp "$pitmplogfile" "$logpath"
  rm "$pitmplogfile"

  if [ -f $logpath ]; then
      echo "Wrote log to $logpath"
  else
      echo "-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-"
      echo "ERROR WRITING LOG.  ABORTING."
      echo "-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-"
      exit 1
  fi


  
  lastwave=$((wavelength))
  echo "------------------------------------------------------"
  
  i=$((i+1))
done