#!/bin/sh

set -e

# Default to "yes"
AUTOMATIC_TRANSLATIONS_UPDATE="yes"

. /usr/share/debconf/confmodule

# Read configuration variable file if it is present
CONFIG=/etc/koha/koha-common.conf
if [ -r $CONFIG ]; then
    . $CONFIG
fi

conf=/etc/mysql/koha-common.cnf
if [ ! -e "$conf" ] && [ ! -L "$conf" ]
then
    ln -s debian.cnf "$conf"
fi

#DEBHELPER#

koha-upgrade-schema $(koha-list)

# Generate a config file if one doesn't exist already
if [ ! -e $CONFIG ]; then
    cat <<EOF > $CONFIG
## Automatic template translation update
#
# This variable controls whether template translations should
# be updated automatically on koha-common package upgrades.
# Options: 'yes' (default)
#          'no'
# Note: if you choose 'no' then you will have to issue
#  $ koha-translate --update <lang_code>
#
AUTOMATIC_TRANSLATIONS_UPDATE="yes"
EOF
fi

# Substitute the values from debconf into the file.
db_get koha-common/automatically-update-translations
UPDATE="$RET"
if [ "$UPDATE" = "false" ]; then
    UPDATE="no"
else
    UPDATE="yes"
fi
# In case they were removed/commented out, we add it in.
grep -Eq '^ *AUTOMATIC_TRANSLATIONS_UPDATE=' $CONFIG || \
    echo "AUTOMATIC_TRANSLATIONS_UPDATE=" >> $CONFIG

sed -e "s/^ *AUTOMATIC_TRANSLATIONS_UPDATE=.*/AUTOMATIC_TRANSLATIONS_UPDATE=\"$UPDATE\"/" < $CONFIG > $CONFIG.tmp
mv -f $CONFIG.tmp $CONFIG

if [ "$AUTOMATIC_TRANSLATIONS_UPDATE" = "yes" ]; then
    for lang in $(koha-translate --list | grep -v -x "en"); do
        if koha-translate --update $lang; then
            echo "Updated the $lang translations."
        else
            cat <<EOF >&2
ERROR: an error was found when updating '$lang' translations. Please manually
run 'koha-translate --update $lang'. Run man koha-translate for more options.
EOF
        fi
    done
else
    # no auto-update, check update needed and warn if needed
    if koha-translate --list | grep -v -q -x "en"; then
        # translations installed, update needed
        cat <<EOF >&2
Warning: template translations are not set to be automatically updated.
Please manually run 'koha-translate --update lang_code' to update them.

You can run 'koha-translate --list' to get a list of the installed translations codes.
EOF
    fi
fi

db_stop

exit 0