#!/bin/sh
#
# ========================================================================
#
# *
# * This file is part of MARS, the MAGIC Analysis and Reconstruction
# * Software. It is distributed to you in the hope that it can be a useful
# * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
# * It is distributed WITHOUT ANY WARRANTY.
# *
# * Permission to use, copy, modify and distribute this software and its
# * documentation for any purpose is hereby granted without fee,
# * provided that the above copyright notice appear in all copies and
# * that both that copyright notice and this permission notice appear
# * in supporting documentation. It is provided "as is" without express
# * or implied warranty.
# *
#
#
#   Author(s): Daniela Dorner  10/2006 <mailto:dorner@astro.uni-wuerzburg.de>
#
#   Copyright: MAGIC Software Development, 2000-2006
#
#
# ========================================================================
#
# This script checks from the DB which new starfiles have been produced 
# and sends it to the person in charge for building datasets
#

datasetpath=/magic/datasets
#datasetpath=/test/bu.2006.10.05/datasets

function usage()
{
   echo "Usage: $0 [options]"
   echo "options:"
   echo -n "  --ds  dataset#       "
   echo " number of the dataset you want to reset "
   echo -n "  --db                 "
   echo " name of the db in which you want to reset "
   echo -n "  --user               "
   echo " db user "
   echo -n "  --pw                 "
   echo " pw of the db user "
   echo ""
   exit
}


while [ "$1" ]
do 
   case $1 in 
        --ds) shift
              dataset=$1
              ;;
        --db) shift
              db=$1
              ;;
        --pw) shift
              pw=$1
              ;;
      --user) shift
              user=$1
              ;;
          -h) usage
              ;;
           *) echo "unknown option $1 "
              usage
              exit
              ;;
   esac
   shift
done

if [ "$dataset" = "" ]
then 
   echo "Please give the number for the dataset you want to reset."
   usage
fi

if [ "$pw" = "" ] || [ "$user" = "" ]
then 
   echo "Please give user and password for the DB $db."
   usage
fi

if [ "$db" = "" ]
then 
   echo "Please give the DB in which you want to reset."
   usage
fi


alias mymysql='mysql -u $user --password=$pw --host=vela $db -s -e'

whereclause1=" WHERE fDataSetNumber=$dataset"
statusreset=", fStartTime=NULL, fFailedTime=NULL, fFailedCode=NULL, fFailedCodeAdd=NULL, fReturnCode=NULL"
query1="UPDATE DataSetProcessStatus SET fStarFilesAvail=NULL, fGanymed=NULL, fFillGanymed=NULL"
query1=$query1$statusreset$whereclause1

query2="DELETE FROM Ganymed "$whereclause1

no=`printf %08d $dataset`
no2=`echo $no | cut -c 0-5`
datasetfile=$datasetpath/$no2/dataset$no.txt
if ! ls $datasetfile 2>&1 >/dev/null
then
   echo "There's no datasetfile $datasetfile"
   exit
fi
echo " getting sequence numbers from $datasetfile"

seqon=`grep "SequencesOn" $datasetfile | grep -v '#' | sed -e 's/SequencesOn://' -e 's/^ //g' -e 's/ $//g' -e 's/ /,/g'`
seqoff=`grep "SequencesOff" $datasetfile | grep -v '#' | sed -e 's/SequencesOff://' -e 's/^ //g' -e 's/ $//g' -e 's/ /,/g'`

echo " Found the following  on sequences: $seqon"
echo " Found the following off sequences: $seqoff"

if [ "$seqoff" = "" ]
then
   whereclause2=" WHERE fSequenceFirst IN ($seqon)"
else
   whereclause2=" WHERE fSequenceFirst IN ($seqon,$seqoff)"
fi
query3="UPDATE SequenceProcessStatus SET fAllFilesAvail=NULL, fCallisto=NULL, fStar=NULL "
query3=$query3$statusreset$whereclause2

query4="DELETE FROM Calibration"$whereclause2
query5="DELETE FROM Star"$whereclause2


echo ""
echo "The following queries would be executed:"
echo "Q1: "$query1
echo "Q2: "$query2
echo "Q3: "$query3
echo "Q4: "$query4
echo "Q5: "$query5
echo ""
echo "  DB: "$db
echo "user: " $user
echo ""
echo "Are you sure you want to continue?" 
echo "please insert y, if you want continue"
echo "              n, if you want quit"

answer=`head -n 1`
case $answer in
   y) echo "continue resetting DB"
      ;;
   n) exit
      ;;
   *) echo "your answer is not clear -> exit"
      exit
      ;;
esac

mymysql "$query1"
mymysql "$query2"
mymysql "$query3"
mymysql "$query4"
mymysql "$query5"