#!/bin/bash

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

source _common.sh
source ynh_install_ruby__2
source ynh_add_swap
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=6

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=$app
final_path=$(ynh_app_setting_get --app=$app --key=final_path)

#=================================================
# STANDARD REMOVE
#=================================================
# REMOVE SERVICE INTEGRATION IN YUNOHOST
#=================================================
ynh_script_progression --message="Removing service integration in YunoHost..." --weight=2

# 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 $app-web service..." --weight=2
	yunohost service remove "$app-web"
fi

if ynh_exec_warn_less yunohost service status "$app-sidekiq" >/dev/null
then
	ynh_script_progression --message="Removing $app-sidekiq service..." --weight=2
	yunohost service remove "$app-sidekiq"
fi

if ynh_exec_warn_less yunohost service status "$app-streaming" >/dev/null
then
	ynh_script_progression --message="Removing $app-streaming service..." --weight=2
	yunohost service remove "$app-streaming"
fi

#=================================================
# STOP AND REMOVE SERVICE
#=================================================
ynh_script_progression --message="Stopping and removing the systemd service..." --weight=27

# 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..." --weight=4

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

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..." --weight=28

# Remove metapackage and its dependencies
ynh_remove_ruby
ynh_remove_app_dependencies
ynh_remove_nodejs
ynh_remove_extra_repo

#=================================================
# REMOVE APP MAIN DIR
#=================================================
ynh_script_progression --message="Removing app main directory..." --weight=16

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

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Removing nginx web server configuration..." --weight=2

# Remove the dedicated nginx config
ynh_remove_nginx_config

#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE THE CRON FILE
#=================================================
ynh_script_progression --message="Removing the cron file..." --weight=2

# 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..." --weight=2

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

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

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