#!/bin/bash

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

source ../settings/scripts/_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
#=================================================
ynh_script_progression --message="Loading settings..." --weight=2

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
with_mysql=$(ynh_app_setting_get --app=$app --key=with_mysql)
with_sftp=$(ynh_app_setting_get --app=$app --key=with_sftp)
password=$(ynh_app_setting_get --app=$app --key=password)
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --weight=2

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# REINSTALL DEPENDENCIES
#=================================================

if [ $phpversion != "none" ]
then
	ynh_script_progression --message="Reinstalling dependencies..." --weight=2

	ynh_install_app_dependencies "php${phpversion}-fpm"
fi

#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

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

if [ $with_mysql -eq 1 ]; then
    ynh_script_progression --message="Restoring the MySQL database..."

    db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
    ynh_mysql_setup_db --db_user=$db_name --db_name=$db_name --db_pwd=$db_pwd
    ynh_mysql_connect_as --user=$db_name --password=$db_pwd --database=$db_name < ./db.sql
fi

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=2

if [ $with_sftp -eq 1 ]
then
    groups="sftp.app"
else
    groups=""
fi

ynh_system_user_create --username=$app --home_dir="$final_path" --groups="$groups"

if [ -n "$password" ]
then
    # Add the password to this user
    chpasswd <<< "${app}:${password}"
fi

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..."

ynh_restore_file --origin_path="$final_path"

# Restore permissions on app files
chown -R $app:www-data "$final_path"
# Home directory of the user needs to be owned by root to allow
# SFTP connections
chown root:root "$final_path"
setfacl -m g:$app:r-x "$final_path"
setfacl -m g:www-data:r-x "$final_path"
chmod o-rwx "$final_path"

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

if [ $phpversion != "none" ]
then
	ynh_restore_file --origin_path="/etc/php/${phpversion}/fpm/pool.d/$app.conf"
fi

#=================================================
# SPECIFIC RESTORATION
#=================================================

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..."

if [ $phpversion != "none" ]
then
	ynh_systemd_action --service_name=php${phpversion}-fpm --action=reload
fi

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SEND A README FOR THE ADMIN
#=================================================

# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"

echo "You can configure this app easily by using the experimental __URL_TAG1__config-panel feature__URL_TAG2__$admin_panel/config-panel__URL_TAG3__.
You can also find some specific actions for this app by using the experimental __URL_TAG1__action feature__URL_TAG2__$admin_panel/actions__URL_TAG3__.

If you're facing an issue or want to improve this app, please open a new issue in this __URL_TAG1__project__URL_TAG2__https://github.com/YunoHost-Apps/my_webapp_ynh__URL_TAG3__." > mail_to_send

ynh_send_readme_to_admin --app_message="mail_to_send" --recipients=root --type=restore

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

ynh_script_progression --message="Restoration completed for $app" --last