#!/bin/bash

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

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# 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)
port=$(ynh_app_setting_get --app=$app --key=port)
port_wg=$(ynh_app_setting_get --app=$app --key=port_wg)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)

#=================================================
# STANDARD REMOVE
#=================================================
# REMOVE SERVICE INTEGRATION IN YUNOHOST
#=================================================

# Remove the service from the list of services known by Yunohost (added from `yunohost service add`)
if ynh_exec_warn_less yunohost service status wireguard_ui >/dev/null
then
	ynh_script_progression --message="Removing WireGuard UI service integration..." --weight=1
	yunohost service remove wireguard_ui
fi

#=================================================
# STOP AND REMOVE SERVICE
#=================================================
ynh_script_progression --message="Stopping and removing the systemd service..." --weight=1

# YunoHost does not handle services not ending with .service, let's remove it manually
systemctl stop wireguard.path
systemctl disable wireguard.path --quiet
ynh_secure_remove --file="/etc/systemd/system/wireguard.path"
systemctl daemon-reload

# Remove the dedicated systemd configs
ynh_remove_systemd_config --service=wireguard
ynh_remove_systemd_config --service=wireguard_ui

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..." --weight=6

# Remove metapackage and its dependencies
ynh_remove_app_dependencies

#=================================================
# REMOVE APP MAIN DIR
#=================================================
ynh_script_progression --message="Removing app main directory..." --weight=1

# Remove the app directory securely
ynh_secure_remove --file="$final_path"

# Remove WireGuard configuration directory securely
ynh_secure_remove --file="/etc/wireguard"

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Removing nginx web server configuration..." --weight=1

# Remove the dedicated nginx config
ynh_remove_nginx_config

#=================================================
# REMOVE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Removing logrotate configuration..." --weight=1

# Remove the app-specific logrotate config
ynh_remove_logrotate

#=================================================
# CLOSE WIREGUARD PORT
#=================================================

if yunohost firewall list | grep -q "\- $port_wg$"
then
	ynh_script_progression --message="Closing port $port_wg..." --weight=1
	ynh_exec_warn_less yunohost firewall disallow TCP $port_wg
fi

#=================================================
# GENERIC FINALIZATION
#=================================================
# REMOVE DEDICATED USER
#=================================================
ynh_script_progression --message="Removing the dedicated system user..." --weight=1

# Delete a system user
ynh_system_user_delete --username=$app

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

ynh_script_progression --message="Removal of $app completed" --last