#! /bin/bash -efu

debug() {

	if [ -n "$DEBUG" ]; then

		echo "$*" >&2

	fi

}

msg_usage() {

	cat <<_EOF_

Run family test.

Usage:

$PROG <options>

Options:

-h, --help		Display this help and exit

-v, --verbose		Turn on debug

-l, --lang=LANG		Test LANG language coverage (default: en)

-f, --family=FILE	Set a family name supposed to be assigned for alias.

-g, --alias=STR		Set an alias name. (default: sans-serif)

-a, --artifactsdir=DIR	Set environment dir to store artifacts

-k, --package=NAME	Set a package name for fonts.

_EOF_

}

PROG="${PROG:-${0##*/}}"

DEBUG="${DEBUG:-}"

OPT_LANG="${OPT_LANG:-en}"

OPT_FAMILY="${OPT_FAMILY:-}"

OPT_ARTIFACTS_DIR="${OPT_ARTIFACTS_DIR:-}"

OPT_ALIAS="${OPT_ALIAS:-sans-serif}"

OPT_PACKAGE="${OPT_PACKAGE:-}"

opt=$(getopt -n "$0" --options "hvl:f:t:a:g:k:" --longoptions "help,verbose,lang:,family:,test:,artifactsdir:,alias:,package:" -- "$@")

eval set -- "$opt"

while [[ $# -gt 0 ]]; do

	case "$1" in

	-k|--package)

		OPT_PACKAGE="$2"

		shift 2

		;;

	-g|--alias)

		OPT_ALIAS="$2"

		shift 2

		;;

	-a|--artifactsdir)

		OPT_ARTIFACTS_DIR="$2"

		shift 2

		;;

	-f|--family)

		OPT_FAMILY="$2"

		shift 2

		;;

	-l|--lang)

		OPT_LANG="$2"

		shift 2

		;;

	-v|--verbose)

		DEBUG="-v"

		shift

		;;

	-h|--help)

		msg_usage

		exit 0

		;;

	--)

		shift

		;;

	*)

		msg_usage

		exit 1

	esac

done

if [ -z "$OPT_ARTIFACTS_DIR" ] || [ -z "$OPT_LANG" ] || [ -z "$OPT_FAMILY" ]; then

	echo "Use: $PROG -h for help."

	exit 0

fi

debug "Alias: $OPT_ALIAS"

debug "Family: $OPT_FAMILY"

debug "Lang: $OPT_LANG"

debug "Artifacts dir: $OPT_ARTIFACTS_DIR"

debug "Package name: $OPT_PACKAGE"

STR_TEST_DASHED=$(echo "${OPT_PACKAGE}_${OPT_ALIAS}" | sed -e 's/\//-/g' -e 's/ /-/g')

debug "Log file: $STR_TEST_DASHED.log"

clean_exit() {

	rc=$?;

	trap - SIGINT SIGTERM SIGABRT EXIT

	echo "Run test $OPT_ALIAS: done."

	for pid in $(ps -o pid --no-headers --ppid $$); do

		if [ -n "$(ps -p $pid -o pid=)" ]; then

			kill -s HUP $pid

		fi

	done

	local log_file_name="$STR_TEST_DASHED.log"

	local log_file_path="$OPT_ARTIFACTS_DIR/$log_file_name"

	local status

	if [[ $rc -eq 127 ]]; then

		status="ERROR"

	elif grep -q "RESULT: WARN" "$log_file_path"; then

		status="ERROR"

	elif grep -q "RESULT: FAIL" "$log_file_path"; then

		status="FAIL"

	elif grep -q "RESULT: PASS" "$log_file_path"; then

		status="PASS"

	elif grep -q "FAIL" "$log_file_path"; then

		status="FAIL"

	elif grep -q "PASS" "$log_file_path"; then

		status="PASS"

	else

		status="ERROR"

	fi

	echo "$status $OPT_ALIAS" >> "$OPT_ARTIFACTS_DIR/test.log"

	mv "$log_file_path" "$OPT_ARTIFACTS_DIR/${status}_${log_file_name}"

	local results="$OPT_ARTIFACTS_DIR/results.yml"

	local result=$(echo $status | tr '[:upper:]' '[:lower:]')

	test -f "$results" || echo 'results:' > "$results"

	echo "- {result: $result, test: $OPT_ALIAS}" >> "$results"

	exit 0

}

trap clean_exit SIGINT SIGTERM SIGABRT EXIT

cachedir=`pkg-config --variable cachedir fontconfig`

tmpconfd=`mktemp --tmpdir -d fontsci.XXXXXXXX`

conf=$(for i in `rpm -ql $OPT_PACKAGE | grep conf.d`; do

	echo "<include>$i</include>"

done)

cat <<_EOF_> $tmpconfd/fonts.conf

<fontconfig>

	<dir>/usr/share/fonts</dir>

	$conf

	<cachedir>$cachedir</cachedir>

</fontconfig>

_EOF_

debug "Config: `cat $tmpconfd/fonts.conf`"

mkdir -p "$OPT_ARTIFACTS_DIR"

export OUTPUTFILE="$(realpath "$OPT_ARTIFACTS_DIR")/$STR_TEST_DASHED-out.log"

logfile_stdout="$OPT_ARTIFACTS_DIR/$STR_TEST_DASHED.log"

logfile_stderr="$OPT_ARTIFACTS_DIR/$STR_TEST_DASHED-err.log"

exec 3>&1 4>&2 1> >(tee -a "$logfile_stdout" >&3) 2> >(tee -a "$logfile_stderr" >&4)

debug "Check family assignment"

res=`FONTCONFIG_FILE=$tmpconfd/fonts.conf fc-match -f "%{family[0]}" :family=$OPT_ALIAS:lang=$OPT_LANG`

if [ "x$res" = "x$OPT_FAMILY" ]; then

	echo "RESULT: PASS: $OPT_FAMILY was assigned to $OPT_ALIAS as expected"

else

	echo "RESULT: FAIL: $OPT_FAMILY wasn't assigned to $OPT_ALIAS (actual result: $res)"

fi

rm -rf $tmpconfd