#!/bin/bash

ANTENNA1=1
ANTENNA2=2
if [ "$#" -eq 2 ]
then
    echo "Using antennas 1 and 2"
elif [ "$#" -eq 4 ]
then
    ANTENNA1=$3
    ANTENNA2=$4
else
    echo "Correct usage is $0 FITS_FILE RUN_CODE"
    exit 2
fi

# RESULT=(`/home/oper/RadioAstron/RadioAstronFringe/dumpRadioAstronBaseline $1 $ANTENNA1 $ANTENNA2 | tee dump.out | grep '^Wrote'`)
RESULT=(`dumpRadioAstronBaseline $1 $ANTENNA1 $ANTENNA2 | tee dump.out | grep '^Wrote'`)

NUM_IF=${RESULT[1]}
NUM_TIME=${RESULT[2]}
NUM_CHAN=${RESULT[3]}
NUM_STOKES=${RESULT[4]}
INT_TIME=${RESULT[5]}
CHAN_BW=${RESULT[6]}

echo RESULT is ${RESULT[*]}
echo NUM_IF is $NUM_IF
echo NUM_TIME is $NUM_TIME
echo NUM_CHAN is $NUM_CHAN
echo NUM_STOKES is $NUM_STOKES
echo INT_TIME is $INT_TIME
echo CHAN_BW is $CHAN_BW

rem=$(( $NUM_TIME % 2 ))
 
if [ $rem -eq 1 ]
then
    NUM_TIME=$(( $NUM_TIME -1))
fi




if [ $NUM_STOKES -eq 1 ]
then
    for ((NIF=0;NIF<$NUM_IF;NIF++))
    do
	echo r${NIF}0
	fft_fringe $CHAN_BW $INT_TIME $NUM_CHAN $NUM_TIME 0 1 1 vis_if${NIF}_st0.dat temp1 r${NIF}0
    done
else
    for ((NIF=0;NIF<$NUM_IF;NIF++))
    do
	echo r${NIF}0
	fft_fringe $CHAN_BW $INT_TIME $NUM_CHAN $NUM_TIME 0 1 1 vis_if${NIF}_st0.dat temp1 r${NIF}0
	echo r${NIF}1
	fft_fringe $CHAN_BW $INT_TIME $NUM_CHAN $NUM_TIME 0 1 1 vis_if${NIF}_st1.dat temp1 r${NIF}1
    done
    if [ $2 -gt 0 ]
    then
	if [ $NUM_STOKES -eq 4 ]
	then
	    for ((NIF=0;NIF<$NUM_IF;NIF++))
	    do
		echo r${NIF}2
		fft_fringe $CHAN_BW $INT_TIME $NUM_CHAN $NUM_TIME 0 1 1 vis_if${NIF}_st2.dat temp1 r${NIF}2
		echo r${NIF}3
		fft_fringe $CHAN_BW $INT_TIME $NUM_CHAN $NUM_TIME 0 1 1 vis_if${NIF}_st3.dat temp1 r${NIF}3
	    done
	fi
    fi
fi