#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

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

ynh_clean_setup () {
	#### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

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)
port_web=$(ynh_app_setting_get --app=$app --key=port_web)
port_rend=$(ynh_app_setting_get --app=$app --key=port_rend)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --weight=1

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

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

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

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=5

ynh_restore_file --origin_path="$final_path"

# Open the port -- TO BE CHECKED IF REQUIRED
ynh_script_progression --message="Configuring firewall..." --weight=3
ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port_rend

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=3

# Create the dedicated user (if not existing)
#UMS require a home path for the user as config files are stored in there
ynh_system_user_create --username=$app --home_dir=/home/yunohost.app/$app

#=================================================
#SETTING MULTIMEDIA DIRECTORY
#=================================================

ynh_multimedia_build_main_dir
ynh_multimedia_addaccess $app

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

# Restore permissions on app files
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R root:$app "$final_path"
chown root:$app "$final_path/UMS.sh"

#=================================================
# RESTORE FAIL2BAN CONFIGURATION
#=================================================
#ynh_script_progression --message="Restoring the Fail2Ban configuration..." --time --weight=1

#ynh_restore_file "/etc/fail2ban/jail.d/$app.conf"
#ynh_restore_file "/etc/fail2ban/filter.d/$app.conf"
#ynh_systemd_action --action=restart --service_name=fail2ban

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=15

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --weight=1

ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
systemctl enable $app.service --quiet

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=2

yunohost service add $app --description="A DLNA, UPnP and HTTP(S) Media Server." --log=/var/log/$app/$app.log --needs_exposed_ports $port_rend

#=================================================
# RESTORE VARIOUS FILES
#=================================================
mkdir -p /var/log/$app
ynh_restore_file --origin_path="/home/yunohost.app/$app/"
chown -R $app:$app "/home/yunohost.app/$app/.config"
chmod -R  700 "/home/yunohost.app/$app/.config"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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