#!/bin/bash

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

source _common.sh
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)
port=$(ynh_app_setting_get --app="$app" --key=port)
db_name=$(ynh_app_setting_get --app="$app" --key=db_name)
db_user="$db_name"
final_path=$(ynh_app_setting_get --app="$app" --key=final_path)
redis_db=$(ynh_app_setting_get --app="$app" --key=redis_db)

#=================================================
# STANDARD REMOVE
#=================================================
# REMOVE SERVICE FROM ADMIN PANEL
#=================================================

# Remove a service from the admin panel, added by `yunohost service add`
if yunohost service status "$app-server" >/dev/null 2>&1
then
	ynh_print_info --message="Remove $app-server service"
	yunohost service remove "$app-server"
fi

if yunohost service status "$app-worker" >/dev/null 2>&1
then
	ynh_print_info --message="Remove $app-worker service"
	yunohost service remove "$app-worker"
fi

if yunohost service status "$app-beat" >/dev/null 2>&1
then
	ynh_print_info --message="Remove $app-beat service"
	yunohost service remove "$app-beat"
fi

#=================================================
# STOP AND REMOVE SERVICE
#=================================================
ynh_print_info --message="Stopping and removing the systemd service"

ynh_systemd_action --action="stop" --service_name="${app}-beat" --log_path="systemd" --line_match="Stopped Funkwhale"
ynh_systemd_action --action="stop" --service_name="${app}-server" --log_path="systemd" --line_match="Stopped Funkwhale"
ynh_systemd_action --action="stop" --service_name="${app}-worker" --log_path="systemd" --line_match="Stopped Funkwhale"

# Remove the dedicated systemd config
ynh_remove_systemd_config --service="$app-server"
ynh_remove_systemd_config --service="$app-worker"
ynh_remove_systemd_config --service="$app-beat"

ynh_secure_remove --file="/etc/systemd/system/$app.target"

#=================================================
# REMOVE THE POSTGRESQL DATABASE
#=================================================
ynh_print_info --message="Removing the PostgreSQL database"

# Remove a database if it exists, along with the associated user
ynh_psql_remove_db --db_name="$db_name" --db_user="$db_user"

#=================================================
# REMOVE THE REDIS DATABASE
#=================================================
ynh_print_info --message="Removing the Redis database"

# Remove a database if it exists, along with the associated user
ynh_redis_remove_db "$redis_db"

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_print_info --message="Removing dependencies"

# Remove metapackage and its dependencies
ynh_remove_app_dependencies

#=================================================
# REMOVE APP MAIN DIR
#=================================================
ynh_print_info --message="Removing app main directory"

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

ynh_secure_remove --file="/var/log/$app"

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_print_info --message="Removing nginx web server configuration"

# remove domain specific configuration
funkwhale_nginx_domain_cleaning

# Remove the dedicated nginx config
ynh_remove_nginx_config

#=================================================
# CLOSE A PORT
#=================================================

if yunohost firewall list | grep -q "\- $port$"
then
	ynh_print_info --message="Closing port $port"
	ynh_exec_warn_less yunohost firewall disallow TCP $port
fi

#=================================================
# REMOVE FAIL2BAN CONFIGURATION
#=================================================
ynh_print_info --message="Removing fail2ban configuration..."

ynh_remove_fail2ban_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# REMOVE DEDICATED USER
#=================================================
ynh_print_info --message="Removing the dedicated system user"

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

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

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