#!/bin/bash

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

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

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

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$(ynh_app_setting_get --app=$app --key=db_user)
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 "$app-web" >/dev/null
then
	ynh_script_progression --message="Removing $app-web service integration..."
	yunohost service remove "$app-web"
fi

if ynh_exec_warn_less yunohost service status "$app-sidekiq" >/dev/null
then
	ynh_script_progression --message="Removing $app-sidekiq service integration..."
	yunohost service remove "$app-sidekiq"
fi

if ynh_exec_warn_less yunohost service status "$app-streaming" >/dev/null
then
	ynh_script_progression --message="Removing $app-streaming service integration..."
	yunohost service remove "$app-streaming"
fi

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

# Remove the dedicated systemd config
ynh_remove_systemd_config --service="$app-web"
ynh_remove_systemd_config --service="$app-sidekiq"
ynh_remove_systemd_config --service="$app-streaming"

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

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

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

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

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

# Remove the dedicated NGINX config
ynh_remove_nginx_config

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

# Remove metapackage and its dependencies
ynh_remove_ruby
ynh_remove_nodejs
ynh_remove_app_dependencies
ynh_remove_extra_repo

#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE VARIOUS FILES
#=================================================
ynh_script_progression --message="Removing various files..."

# Remove a cron file
ynh_secure_remove --file="/etc/cron.d/$app"

# Remove swap
ynh_del_swap

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

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

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

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