#!/bin/bash

# Description: Script that runs gui tests after the command-line tests have been run
#
# Usage: build_and_run_all_gui_tests [jpeg2000] [pdf]
#
# where: jpeg2000 = run jpeg2000 test(s). Requires CONFIG+=jpeg2000 in qmake build
#        pdf      = run pdf test(s). Requires CONFIG+=pdf in qmake build

DEBUG=0

FILTERJPEG2000="skip"
FILTERPDF="skip"
while test $# -gt 0
do
    case "$1" in
	jpeg2000) FILTERJPEG2000=""
	    ;; 
        pdf) FILTERPDF=""
	    ;;
    esac
    shift
done

SCRIPTS=`find ../test -name "*.test.commandline" | sort`

for script in $SCRIPTS
do

    # Skip unwanted tests
    skip=0
    if [[ -n $FILTERJPEG2000 && $script =~ jpeg2000 ]]; then skip=1; fi
    if [[ -n $FILTERPDF      && $script =~ pdf      ]]; then skip=1; fi

    if [ $skip == 0 ]; then

	# Run regression test. Standard error is redirected to standard out so we can strip out unimportant
	# 'QXcbXSettings::QXcbXSettings(QXcbScreen*) Failed to get selection owner for XSETTINGS_S atom' errors
	commandLineArgs=`cat $script`
	if [ $DEBUG == 1 ]; then
	    echo " "
	    echo "engauge $commandLineArgs"
	fi
	../bin/engauge $commandLineArgs 2>&1 | grep -v 'Failed to get selection owner'

	# Compare actual and desired output files. There is one pair for each coordinate system
	scriptfile=`basename $script`
	root=${scriptfile/.test.commandline/}
	EXPECTED_FILES=`find ../test -name "$root.csv_expected_*"`
	COUNT=0
	COUNTER=1
	for EXPECTED in $EXPECTED_FILES
	do
	    let COUNT=COUNT+1;
	done
	for EXPECTED in $EXPECTED_FILES
	do
	    actual=${EXPECTED/expected/actual}
	    if [[ COUNT -gt 1 ]]; then
		COUNTERSTRING="[$COUNTER/$COUNT]";
	    else
		COUNTERSTRING="";
	    fi
	    if [ -f $actual ]; then
		# If there is a line that contains 'XXX' then it must be skipped because one of the values
		# is so small that roundoff error will give a false positive error result
		cp $EXPECTED .expected
		cp $actual   .actual
		# Transition from ubuntu 16.04 to 18.04 required addition of tr in next line to get all line numbers
		LINES=`sed -n '\|XXX|=' .expected | tr '\n' ' '`
		read -r -a LINEARR <<< $LINES
		# Iterate backwards through line numbers so deletions are applied to the right lines
		for ((idx=${#LINEARR[@]}-1; idx>=0; idx--))
		do
		    LINE=${LINEARR[idx]}
		    # Skip the specified line
		    awk "NR != $LINE" .expected >.expected2
		    awk "NR != $LINE" .actual   >.actual2
		    mv .expected2 .expected
		    mv .actual2   .actual
		done
		if cmp --silent .expected .actual
		then
		    echo -e "$(tput setaf 2)PASS$(tput sgr0)   : $root $COUNTERSTRING"
		else
		    echo -e "$(tput setaf 1)FAIL$(tput sgr0)   : $root $COUNTERSTRING"
		    diff -C2 .expected .actual
		fi
	    else
		# Branch for failed OSX testing
		echo "SKIPPED: $root $COUNTERSTRING"
	    fi
	    let COUNTER=COUNTER+1
	done
    fi
done