#!/bin/sh

if test -z "$1"; then
	echo "Use: $0 <locale>"
	exit 2
fi
LL_CC="$1"
shift

set -e

cd "$(readlink -f "$(dirname "$0")/..")"

VERSION=$(python setup.py --version)
DOMAIN=$(python setup.py --name)

SOURCE_FILES=$(/bin/mktemp --tmpdir $DOMAIN-po-update-XXXXXX)
find "$PWD/lib" -name '*.py' >"$SOURCE_FILES"

POT_DIR="$PWD/po"
test -d "$POT_DIR"

POT_FILE="$POT_DIR/$DOMAIN.pot"

/usr/bin/xgettext \
	--package-name "$DOMAIN" \
	--package-version "$VERSION" \
	--default-domain="$L_NAME" \
	--language=Python --from-code=UTF-8 --files-from="$SOURCE_FILES" \
	--no-escape --indent --add-location --sort-by-file \
	--add-comments=I18N \
	--output="$POT_FILE"

/bin/sed --in-place --expression="s/charset=CHARSET/charset=UTF-8/" "$POT_FILE"

PO_FILE="$POT_DIR/$LL_CC.po"

test -r "$PO_FILE" || /usr/bin/msginit \
		--no-translator --locale="$LL_CC" \
		--input="$POT_FILE" \
		--output-file="$PO_FILE"

unfmt() {
	local SOURCE="/usr/share/locale/$LL_CC/LC_MESSAGES/$1.mo"
	local TARGET="$(mktemp --tmpdir $1-$LL_CC-XXXXXX.po)"
	/usr/bin/msgunfmt \
		--no-escape --indent \
		--output-file="$TARGET" \
		"$SOURCE"
	echo "$TARGET"
}

/usr/bin/msgmerge \
	--update --no-fuzzy-matching \
	--no-escape --indent --add-location --sort-by-file \
	--lang="$LL_CC" \
	--compendium="$(unfmt gtk30)" \
	--compendium="$(unfmt gtk30-properties)" \
	"$PO_FILE" "$POT_FILE"

# /bin/sed --in-place --expression="s/Language: \\\\n/Language: $L_NAME\\\\n/" "$PO_FILE"

echo "Language file is $PO_FILE"