#!/bin/bash

# We retrieve app parameters
app=$YNH_APP_INSTANCE_NAME

# Backup the current version of the app, restore it if the upgrade fails
if sudo yunohost backup list | grep -q ${app}-before-upgrade > /dev/null 2>&1; then	# Supprime l'ancienne archive seulement si elle existe
	sudo yunohost backup delete ${app}-before-upgrade
fi
sudo yunohost backup create --ignore-hooks --apps $app --name ${app}-before-upgrade
EXIT_PROPERLY () {
	exit_code=$?
	if [ "$exit_code" -eq 0 ]; then
		exit 0	# Quitte sans erreur si le script se termine correctement.
	fi
	trap '' EXIT
	set +eu
	sudo yunohost app remove $app	# Supprime l'application avant de la restaurer.
	sudo yunohost backup restore --ignore-hooks ${app}-before-upgrade --apps $app --force	# Restore the backup if upgrade failed
	ynh_die "Upgrade failed. The app was restored to the way it was before the failed upgrade."
}
set -eu
trap EXIT_PROPERLY EXIT

# Source app helpers
source /usr/share/yunohost/helpers

# We check variables are not empty
CHECK_VAR () {  # Vérifie que la variable n'est pas vide.
# $1 = Variable à vérifier
# $2 = Texte à afficher en cas d'erreur
        test -n "$1" || (echo "$2" >&2 && false)
}
CHECK_VAR "$app" "app name not set"

path=$(ynh_app_setting_get $app path)
domain=$(ynh_app_setting_get $app domain)
final_path=$(ynh_app_setting_get $app final_path)
finalnginxconf=$(ynh_app_setting_get $app finalnginxconf)
finalphpconf=$(ynh_app_setting_get $app finalphpconf)

# Removal of old folder and restart from fresh
sudo rm -rf $final_path
sudo mkdir -p $final_path

# We download the sources and check the md5sum
SHA1=`sudo cat ../sources/source_sha1`;
sed -i "s@SHA1TOCHANGE@$SHA1@g" ../sources/source_url
sed -i "s@SHA1TOCHANGE@$SHA1@g" ../sources/source_md5
sudo wget -nv -i ../sources/source_url -O framagames-${SHA1}.zip
sudo md5sum -c ../sources/source_md5 --status || (echo "Corrupt source" >&2 && false)
sudo unzip framagames-${SHA1}.zip -d ../sources/
sudo cp -R ../sources/framagames-${SHA1}/* $final_path

# Set permissions
sudo chmod 775 -R $final_path
sudo chown -hR www-data:www-data $final_path

# Modify Nginx configuration file and copy it to Nginx conf.d directory
sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
sed -i "s@NAMETOCHANGE@$app@g" ../conf/nginx.conf
sudo cp ../conf/nginx.conf $finalnginxconf

# Modify php-fpm configuration file and copy it to php-fpm pool.d directory
sed -i "s@NAMETOCHANGE@$app@g" ../conf/php-fpm.conf
sed -i "s@FOLDERTOCHANGE@$final_path@g" ../conf/php-fpm.conf
sudo cp ../conf/php-fpm.conf $finalphpconf
sudo chown root: $finalphpconf
sudo chmod 644 $finalphpconf

# Make app public if necessary
is_public=$(ynh_app_setting_get $app is_public)
if [ "$is_public" = "Yes" ];
then
	ynh_app_setting_set $app skipped_uris "/"
else
	ynh_app_setting_set $app protected_uris "/"
fi

# Reload Nginx and regenerate SSOwat conf
sudo service php5-fpm reload
sudo service nginx reload
sudo yunohost app ssowatconf