#!/bin/sh
# (C) Copyright 2005- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# 
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
#

. ./include.ctest.sh

# Enter data dir
cd ${data_dir}/bufr

# Define a common label for all the tmp files
label="bufr_compare_test"

# Create log file
fLog=temp.${label}".log"
rm -f $fLog
touch $fLog

# Define tmp bufr file
fBufrTmp=temp.${label}".bufr"
fBufrInput1=temp1.in.${label}".bufr"
fBufrInput2=temp2.in.${label}".bufr"

# Define filter rules file
fRules=temp.${label}.filter

#----------------------------------------------------
# Test: comparing same files
#----------------------------------------------------
f="syno_1.bufr"
echo "Test: comparing the same files" >> $fLog
echo "file: $f" >> $fLog
${tools_dir}/bufr_compare $f $f >> $fLog

#----------------------------------------------------
# Test: comparing two completely different files
#----------------------------------------------------
set +e
f1="syno_1.bufr"
f2="aaen_55.bufr"
echo "Test: comparing two completely different files" >> $fLog
echo "file: $f" >> $fLog
${tools_dir}/bufr_compare -v $f1 $f2 >> $fLog
if [ $? -eq 0 ]; then
   echo "ERROR: bufr_compare should have failed if files are completely different" >&2
   exit 1
fi
set -e

# Namespace options
set +e
${tools_dir}/bufr_compare -c ls:n $f1 $f2 >> $fLog
statusA=$?
${tools_dir}/bufr_compare -a -c ls:n $f1 $f2 >> $fLog
statusB=$?
set -e
[ $statusA -ne 0 ]
[ $statusB -ne 0 ]


#----------------------------------------------------
# Test: comparing with and without the -b switch
#----------------------------------------------------
f="syno_1.bufr"
echo "Test: comparing with and without the -b switch" >> $fLog
echo "file: $f" >> $fLog

# Alter a key in the file 
${tools_dir}/bufr_set -s dataCategory=2 $f ${fBufrTmp} >> $fLog

set +e
${tools_dir}/bufr_compare $f ${fBufrTmp}>> $fLog
if [ $? -eq 0 ]; then
   echo "ERROR: bufr_compare should have failed if files are different" >&2
   exit 1
fi
set -e

# Now compare with -b switch. No difference should be found.
${tools_dir}/bufr_compare -b dataCategory $f ${fBufrTmp}>> $fLog

#----------------------------------------------------
# Test: comparing with the -r switch
#----------------------------------------------------
# Create a bufr file with various message types
#cat syno_multi.bufr temp_101.bufr > $fBufrInput1 
#cat temp_101.bufr syno_multi.bufr > $fBufrInput2

#set +e
#${tools_dir}/bufr_compare ${fBufrInput1} ${fBufrInput2} >> $fLog
#if [ $? -eq 0 ]; then
#   echo "ERROR: bufr_compare should have failed if the message order in the files is different" >&2
#   exit 1
#fi
#set -e
#${tools_dir}/bufr_compare -r ${fBufrInput1} ${fBufrInput2}>> $fLog

#----------------------------------------------------
# Change subCentre and compare
#----------------------------------------------------
echo "Test: Change subCentre and compare" >> $fLog
${tools_dir}/bufr_set -s bufrHeaderSubCentre=12 aaen_55.bufr $fBufrTmp
set +e
${tools_dir}/bufr_compare aaen_55.bufr $fBufrTmp > $fLog 2>&1
status=$?
set -e
[ $status -eq 1 ]
fgrep -q "[bufrHeaderSubCentre]: [70] != [12]" $fLog

#----------------------------------------------------
# First argument of bufr_compare is a directory (error)
#----------------------------------------------------
echo "Test: First argument of bufr_compare is a directory (error)" >> $fLog
temp_dir=tempdir.${label}
mkdir -p $temp_dir
set +e
${tools_dir}/bufr_compare $temp_dir aaen_55.bufr >/dev/null
status=$?
set -e
[ $status -eq 1 ]
rm -fr $temp_dir

#----------------------------------------------------
# Second argument of bufr_compare is a directory
#----------------------------------------------------
echo "Test: Second argument of bufr_compare is a directory" >> $fLog
temp_dir=tempdir.${label}
mkdir -p $temp_dir
infile=aaen_55.bufr
cp $infile $temp_dir
${tools_dir}/bufr_compare $infile $temp_dir >/dev/null
rm -fr $temp_dir

#----------------------------------------------------
# Compare attributes
#----------------------------------------------------
echo "Test: Compare attributes" >> $fLog
set +e
${tools_dir}/bufr_compare amv2_87.bufr amv3_87.bufr > $fLog 2>&1
status=$?
set -e
[ $status -eq 1 ]
grep -q "#1#pressure->percentConfidence" $fLog
grep -q "#1#windDirection->percentConfidence" $fLog
grep -q "#1#windSpeed->percentConfidence" $fLog
grep -q "#1#coldestClusterTemperature->percentConfidence" $fLog

#----------------------------------------------------
# Header-only mode
#----------------------------------------------------
echo "Test: Header-only mode" >> $fLog
f="syno_1.bufr"
cat > $fRules <<EOF
 set unpack=1;
 set relativeHumidity=27;
 set horizontalVisibility=1500;
 set pack=1;
 write;
EOF
${tools_dir}/codes_bufr_filter -o $fBufrTmp $fRules $f
# Header keys have not changed
${tools_dir}/bufr_compare -H $f $fBufrTmp

#----------------------------------------------------
# Compare two-way (symmetric mode)
#----------------------------------------------------
echo "Test: Compare two-way (symmetric mode)" >> $fLog
f=$ECCODES_SAMPLES_PATH/BUFR3.tmpl
# Add a local section
${tools_dir}/bufr_set -s section2Present=1 $f $fBufrTmp
# Compare A with B will pass
${tools_dir}/bufr_compare $f $fBufrTmp
# Compare with -2 option
set +e
${tools_dir}/bufr_compare -2 -v $f $fBufrTmp > $fLog 2>&1
status=$?
set -e
[ $status -eq 1 ]
grep Swapping $fLog

#----------------------------------------------------
# ECC-656: using relative comparison (-R) with 'all'
#----------------------------------------------------
echo "Test: ECC-656: using relative comparison (-R) with 'all'" >> $fLog
f='airc_142.bufr'
echo 'set unpack=1;set airTemperature=228; set height=1.037e+04; set pack=1; write;' |\
    ${tools_dir}/codes_bufr_filter -o $fBufrTmp - $f
${tools_dir}/bufr_compare -R airTemperature=0.004,height=0.001 $f $fBufrTmp
${tools_dir}/bufr_compare -R all=0.004 $f $fBufrTmp

#--------------------------------------------------------------------
# ECC-658: apply relative comparison (-R) to all ranks of a given key
#--------------------------------------------------------------------
echo "Test: ECC-658: apply relative comparison (-R) to all ranks of a given key" >> $fLog
f='PraticaTemp.bufr'
${tools_dir}/codes_bufr_filter -o $fBufrTmp - $f <<EOF
 set unpack=1;
 set #1#airTemperature=288.41;
 set #2#airTemperature=286.15;
 set #3#airTemperature=280.95;
 set #4#airTemperature=280.32;
 set #5#airTemperature=280.43;
 set pack=1;
 write;
EOF
# The relative differences are around 3.5e-5. Suppress all instances
${tools_dir}/bufr_compare -R airTemperature=4e-5 $f $fBufrTmp

#--------------------------------------------------------------------
# -d option
#--------------------------------------------------------------------
echo "Test: -d option" >> $fLog
f='PraticaTemp.bufr'
${tools_dir}/codes_bufr_filter -o $fBufrTmp - $f <<EOF
 set unpack=1;
 set #1#airTemperature=288.41;
 set pack=1;
 write;
EOF
set +e
${tools_dir}/bufr_compare -d $f $fBufrTmp
status=$?
set -e
[ $status -eq 1 ]
[ -f "error1_1.bufr" ]
[ -f "error2_1.bufr" ]
rm -f error1_1.bufr error2_1.bufr

#--------------------------------------------------------------------
# ECC-1283: string arrays
#--------------------------------------------------------------------
sample=$ECCODES_SAMPLES_PATH/BUFR4.tmpl
fBufrTmp1=temp1.${label}".bufr"
fBufrTmp2=temp2.${label}".bufr"

${tools_dir}/codes_bufr_filter -o $fBufrTmp1 - $sample <<EOF
 set numberOfSubsets = 3;
 set compressedData = 1;
 set unexpandedDescriptors = { 1015 };
 set stationOrSiteName = { "Black", "Rose", "Immortal" };
 set pack=1;
 write;
EOF
${tools_dir}/codes_bufr_filter -o $fBufrTmp2 - $sample <<EOF
 set numberOfSubsets = 3;
 set compressedData = 1;
 set unexpandedDescriptors = { 1015 };
 set stationOrSiteName = { "Black", "Rose", "Mortal" };
 set pack=1;
 write;
EOF
set +e
${tools_dir}/bufr_compare $fBufrTmp1 $fBufrTmp2 >$fLog
status=$?
set -e
[ $status -eq 1 ]
grep -q "string \[stationOrSiteName\] 1 out of 3 different" $fLog

${tools_dir}/bufr_compare -b stationOrSiteName $fBufrTmp1 $fBufrTmp2
rm -f $fBufrTmp1 $fBufrTmp2

# Comparing empty string with 'missing'
${tools_dir}/codes_bufr_filter -o $fBufrTmp1 - $sample <<EOF
 set numberOfSubsets = 3;
 set compressedData = 1;
 set unexpandedDescriptors = { 1015 };
 set stationOrSiteName = { "", "y", "x" };
 set pack=1;
 write;
EOF
${tools_dir}/codes_bufr_filter -o $fBufrTmp2 - $sample <<EOF
 set numberOfSubsets = 3;
 set compressedData = 1;
 set unexpandedDescriptors = { 1015 };
 # stationOrSiteName not set so all entries 'missing'
 set pack=1;
 write;
EOF
export ECCODES_BUFR_MULTI_ELEMENT_CONSTANT_ARRAYS=1
set +e
${tools_dir}/bufr_compare $fBufrTmp1 $fBufrTmp2 >$fLog
status=$?
set -e
[ $status -eq 1 ]
grep -q "string \[stationOrSiteName\] 2 out of 3 different" $fLog

${tools_dir}/bufr_compare -b stationOrSiteName $fBufrTmp1 $fBufrTmp2
unset ECCODES_BUFR_MULTI_ELEMENT_CONSTANT_ARRAYS
rm -f $fBufrTmp1 $fBufrTmp2

# Through index
# -------------
tempIndex1=temp.$label.1.idx
tempIndex2=temp.$label.2.idx
f=$ECCODES_SAMPLES_PATH/BUFR3_local.tmpl
${tools_dir}/bufr_set -s ident:s=66611 $f $fBufrTmp
${tools_dir}/bufr_index_build -N -o $tempIndex1 $f
${tools_dir}/bufr_index_build -N -o $tempIndex2 $fBufrTmp

set +e
${tools_dir}/bufr_compare  $tempIndex1 $tempIndex2
status=$?
set -e
[ $status -eq 1 ]

${tools_dir}/bufr_compare -bident -v $tempIndex1 $tempIndex2
rm -f $tempIndex1 $tempIndex2

# Fail to unpack
# ---------------
bufr1=vos308014_v3_26.bufr
bufr2=aaen_55.bufr
set +e
${tools_dir}/bufr_compare $bufr1 $bufr2 > $fLog 2>&1
status=$?
set -e
[ $status -ne 0 ]
grep -q "Failed to unpack 1st message" $fLog

set +e
${tools_dir}/bufr_compare $bufr2 $bufr1 > $fLog 2>&1
status=$?
set -e
[ $status -ne 0 ]
grep -q "Failed to unpack 2nd message" $fLog

# ----------------------------------------
# Summary mode (-f)
# ----------------------------------------
set +e
${tools_dir}/bufr_compare -f aaen_55.bufr aben_55.bufr > $fLog 2>&1
status=$?
set -e
[ $status -eq 1 ]
grep -q "Summary of different key values" $fLog

# More messages in 2nd file
count1=$(${tools_dir}/bufr_count syno_4.bufr)
count2=$(${tools_dir}/bufr_count syno_multi.bufr)
[ $count1 = 1 ]
[ $count2 = 3 ]
set +e
${tools_dir}/bufr_compare -f syno_4.bufr syno_multi.bufr > $fLog 2>&1
status=$?
set -e
[ $status -eq 1 ]
grep -q "Different number of messages" $fLog


# ----------------------------------------
# Unreadable message
# ----------------------------------------
echo BUFR > $fBufrTmp
set +e
${tools_dir}/bufr_compare $fBufrTmp $fBufrTmp > $fLog 2>&1
status=$?
set -e
[ $status -ne 0 ]
grep -q "unreadable message" $fLog

# Options
# ----------
f1="aaen_55.bufr"
f2="aaen_55.bufr"
set +e
${tools_dir}/bufr_compare -H -c edition $f1 $f2 > $fLog 2>&1
status=$?
set -e
[ $status -ne 0 ]
grep -q "options are incompatible" $fLog

set +e
${tools_dir}/bufr_compare -a edition $f1 $f2 > $fLog 2>&1
status=$?
set -e
[ $status -ne 0 ]
grep -q "a option requires -c option" $fLog

set +e
${tools_dir}/bufr_compare nosuchfile $f1 > $fLog 2>&1
status=$?
set -e
[ $status -ne 0 ]



# Clean up
# -------------
rm -f $fLog $fBufrTmp $fBufrInput1 $fBufrInput2 $fRules