#!/bin/ash
#Get Resources
CurrentVersion=$(curl -s https://api.github.com/repos/elkarbackup/elkarbackup/releases/latest | grep 'tag_name.*' | cut -d : -f 2,3 | tr -d \" |tr -d , |tr -d " " |tr -d : )
echo $CurrentVersion > /opt/Elkarbackup-installed
curl -L --retry 7 --retry-delay 5 https://github.com/elkarbackup/elkarbackup/archive/refs/tags/$CurrentVersion.tar.gz -o /opt/Setup/elkb.tar.gz || exit 1

#Install Composer
EXPECTED_CHECKSUM="$(curl -L https://composer.github.io/installer.sig)"
curl -L -o /tmp/composer-setup.php https://getcomposer.org/installer 
ACTUAL_CHECKSUM="$(sha384sum /tmp/composer-setup.php| awk '{ print $1 }')"

if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
then
    >&2 echo 'ERROR: Invalid installer checksum'
    rm composer-setup.php
fi

mkdir -p /opt/composer
php /tmp/composer-setup.php --quiet --install-dir=/opt/composer
rm /tmp/composer-setup.php

#Install elkarbackup
mkdir -p /opt/elkarbackup/srv /opt/elkarbackup/home /opt/elkarbackup/uploads
tar -C /opt/elkarbackup/srv -xzf /opt/Setup/elkb.tar.gz --strip 1
rm -f /opt/Setup/elkb.tar.gz
chown -R nginx:nginx /opt/elkarbackup
sudo -u nginx php /opt/composer/composer.phar install -n --working-dir=/opt/elkarbackup/srv --no-dev
mv /opt/Setup/Configs/elkarbackupconf.yaml /opt/elkarbackup/srv/config/parameters.yaml
sed -i 's#/var/cache/nginx#/opt/elkarbackup/home#g' /etc/passwd
mv /opt/Setup/Scripts/updateElkarbackup.sh /opt/updateElkarbackup.sh

#Configure Nginx
rm -rf /etc/nginx/conf.d
mv /opt/Setup/Configs/nginx.conf /etc/nginx/nginx.conf

#Configure Php
echo ";Placeholder" > /etc/php7/php-fpm.d/www.conf
mv /opt/Setup/Configs/php.conf /etc/php7/php-fpm.d/elkarbackup.conf
mv /opt/Setup/Configs/phpTimezone.ini /etc/php7/conf.d/04_date_timezone.ini

#Configure Crontab
mv /opt/Setup/Configs/crontab /etc/crontabs/nginx

#Configure Sudo
mv /opt/Setup/Configs/sudofile /etc/sudoers.d/elkarbackup
chown 0:0 /etc/sudoers.d/elkarbackup

#Enable services on boot
rc-update add nginx
rc-update add php-fpm7