#!/bin/bash

#=================================================
# GENERIC START
#=================================================

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

if [ ! -e _common.sh ]; then
	# Get the _common.sh file if it's not in the current directory
	cp ../settings/scripts/_common.sh ./_common.sh
	chmod a+rx _common.sh
fi
source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================

ynh_webpath_available $domain $path_url \
	|| ynh_die "Path not available: ${domain}${path_url}"
test ! -d $final_path \
	|| ynh_die "There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================

ynh_restore_file "$final_path"

#=================================================
# RESTORE THE MYSQL DATABASE
#=================================================

db_pwd=$(ynh_app_setting_get $app mysqlpwd)
ynh_mysql_setup_db $db_name $db_name $db_pwd
ynh_mysql_connect_as $db_name $db_pwd $db_name < ./db.sql

#=================================================
# RECREATE THE DEDICATED USER
#=================================================

# Create the dedicated user (if not existing)
ynh_system_user_create $app

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================

ynh_restore_file "/etc/php5/fpm/pool.d/$app.conf"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

#=================================================
# RESTORE THE CRON FILE
#=================================================

ynh_restore_file "/etc/cron.d/$app"

#=================================================
# BACKUP THE LOGROTATE CONFIGURATION
#=================================================

ynh_restore_file "/etc/logrotate.d/$app"

#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================

datadir="/home/yunohost.app/${app}/data"

# The data directory will be restored only if it exists in the backup archive
# So only if it was backup previously.
if [ -d "$YNH_BACKUP_DIR/apps/$app/backup/home/yunohost.app/$app" ]
then
	ynh_restore_file "$datadir"
else
	# Create app folders
	mkdir -p "$datadir"
fi
# Remove the option backup_core_only if it's in the settings.yml file
ynh_app_setting_delete $app backup_core_only

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Fix app ownerships & permissions
chown -R $app: "$final_path" "$datadir"
chmod 640 "${final_path}/config/config.php"
chmod 755 /home/yunohost.app

# Iterate over users to extend their home folder permissions - for the external
# storage plugin usage - and create relevant Nextcloud directories
for u in $(ynh_user_list); do
    mkdir -p "${datadir}/${u}"
    setfacl -m g:$app:rwx "/home/$u" || true
done

#=================================================
# YUNOHOST MULTIMEDIA INTEGRATION
#=================================================

# Build YunoHost multimedia directories
ynh_multimedia_build_main_dir
# Allow nextcloud to write into these directories
ynh_multimedia_addaccess $app

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================

systemctl reload php5-fpm
systemctl reload nginx