#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source ynh_add_extra_apt_repos__3
source ynh_install_php__3
source ynh_composer__2
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info --message="Loading installation settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
admin=$(ynh_app_setting_get --app=$app --key=admin)
is_public=$(ynh_app_setting_get --app=$app --key=is_public)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
language=$(ynh_app_setting_get --app=$app --key=language)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_print_info --message="Ensuring downward compatibility..."

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=0
	is_public=0
fi

# If db_name doesn't exist, create it
if [ -z "$db_name" ]; then
	db_name=$(ynh_sanitize_dbid --db_name=$app)
	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
	final_path=/var/www/$app
	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_print_info --message="Backing up the app before upgrading (may take a while)..."

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_print_info --message="Upgrading nginx web server configuration..."

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_print_info --message="Upgrading dependencies..."

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_print_info --message="Making sure dedicated system user exists..."

# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_print_info --message="Upgrading php-fpm configuration..."

# Create a dedicated php-fpm config
ynh_add_fpm_config --phpversion="7.2"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE PHP
#=================================================
ynh_print_info --message="Updating PHP..."

ynh_install_php --phpversion="7.2" --package="$extra_pkg_dependencies"
ynh_systemd_action --service_name=php7.2-fpm --action=reload

#=================================================
# UPDATE COMPOSER
#=================================================
ynh_print_info --message="Updating Composer..."

ynh_install_composer --phpversion="7.2" --workdir="$final_path/.composer"

#=================================================
# UPDATE DRUPAL
#=================================================
ynh_print_info --message="Updating Drupal..."

export PATH="$final_path/.composer/vendor/bin:$PATH"

sudo -u $app env PATH=$PATH drush @$app variable-set --exact maintenance_mode 1 
sudo -u $app env PATH=$PATH drush @$app cache-clear all 
sudo -u $app env PATH=$PATH drush @$app pm-update -y drupal
sudo -u $app env PATH=$PATH drush @$app vset --exact maintenance_mode 0 
sudo -u $app env PATH=$PATH drush @$app cache-clear all 
sudo -u $app env PATH=$PATH drush @$app l10n-update-refresh
sudo -u $app env PATH=$PATH drush @$app l10n-update

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================

ynh_backup_if_checksum_is_different --file="$final_path/$app/sites/default/settings.php"
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$final_path/$app/sites/default/settings.php"

#=================================================
# SETUP THE CRON FILE
#=================================================
ynh_print_info --message="Setuping the cron file"

cp -f ../conf/cron /etc/cron.d/$app

ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="/etc/cron.d/$app"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="/etc/cron.d/$app"

ynh_systemd_action --service_name=cron --action=restart

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions on app files
chown -R $app: $final_path

#=================================================
# SETUP SSOWAT
#=================================================
ynh_print_info --message="Upgrading SSOwat configuration..."

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# unprotected_uris allows SSO credentials to be passed anyway
	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info --message="Reloading nginx web server..."

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# END OF SCRIPT
#=================================================

ynh_print_info --message="Upgrade of $app completed"