#!/bin/sh

# We store:
#   .tx/merge-base - changed whenever translations get merged

mergebase=`git log --pretty=oneline -1 .tx/merge-base | cut -d ' ' -f 1`

set -e

# Update the .pot.
sh check-translations.sh pot

# First upload our current .pot.
mkdir -p translations/xonotic.commonpot/
cp common.pot translations/xonotic.commonpot/en..po
tx push -s

# Then pull the rest.
tx pull -f -a

for f in common.*.po; do
	lang=${f%.po}
	lang=${lang#common.}
	case "$lang" in
		de_CH)
			continue
			;;
	esac
	tcurfile=translations/xonotic.commonpot/$lang..po
	goldfile=translations/xonotic.commonpot/$lang..po.orig
	gnewfile=common.$lang.po
	if [ -f "$tcurfile" ]; then
		git show "$mergebase":"$gnewfile" > "$goldfile"
		msgmerge -F -U "$tcurfile" common.pot
		msgmerge -F -U "$goldfile" common.pot
		msgmerge -F -U "$gnewfile" common.pot
		if diff -u "$goldfile" "$gnewfile" >/dev/null; then
			# no change on git, changed on tx only
			msgmerge -F -U "$tcurfile" common.pot
			cp "$tcurfile" "$gnewfile"
		else
			if ! diff -u "$goldfile" "$gnewfile" | patch "$tcurfile"; then
				while :; do
					vim -o "$tcurfile.rej" "$tcurfile"
					echo "OK?"
					read -r OK || exit 1
					[ x"$OK" != x"y" ] || break
				done
				rm -f "$tcurfile.rej"
			fi
			msgmerge -F -U "$tcurfile" common.pot
			cp "$tcurfile" "$gnewfile"
		fi
		rm "$goldfile"
	else
		msgmerge -F -U "$gnewfile" common.pot
		cp "$gnewfile" "$tcurfile"
	fi
done
for f in translations/xonotic.commonpot/*..po; do
	lang=${f%..po}
	lang=${lang#translations/xonotic.commonpot/}
	[ x"$lang" != x"en" ] || continue
	tcurfile=translations/xonotic.commonpot/$lang..po
	gnewfile=common.$lang.po
	if ! [ -f "$gnewfile" ]; then
		touch "$gnewfile"
		git add "$gnewfile"
		cp "$tcurfile" "$gnewfile"
	fi
done
tx push -t --skip
date > .tx/merge-base

# Generate Swiss Standard German from German.
msgfilter -i common.de.po -o common.de_CH.po perl -pe '
	# Character filters go here.
	s/ß/ss/g;
	# Word filters go here. By default we match even inside words, as there
	# are constructs like ^BGflag where "flag" is the actual word. Make
	# sure to not commit the clbuttical mistake.
	s/eventuell/allfällig/g;
'

# Build new languages list.
sh check-translations.sh txt > languages.txt.new
mv languages.txt.new languages.txt

# Report stats.
git diff --stat
git diff --color-words languages.txt