#!/bin/bash

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

source _common.sh
source ynh_install_ruby__2
source ynh_redis
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_syncing_server_js=$(ynh_app_setting_get --app=$app --key=port_syncing_server_js)
port_syncing_server_js_worker=$(ynh_app_setting_get --app=$app --key=port_syncing_server_js_worker)
port_auth=$(ynh_app_setting_get --app=$app --key=port_auth)
port_auth_worker=$(ynh_app_setting_get --app=$app --key=port_auth_worker)
port_api_gateway=$(ynh_app_setting_get --app=$app --key=port_api_gateway)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
final_path_www=$(ynh_app_setting_get --app=$app --key=final_path_www)

#=================================================
# 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 >/dev/null
then
    ynh_script_progression --message="Removing $app service..."  --weight=1
    yunohost service remove $app
fi

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

# Remove the dedicated systemd config
ynh_remove_systemd_config --service="$app-syncing-server-js"
ynh_remove_systemd_config --service="$app-syncing-server-js-worker"
ynh_remove_systemd_config --service="$app-auth"
ynh_remove_systemd_config --service="$app-auth-worker"
ynh_remove_systemd_config --service="$app-api-gateway"

#=================================================
# REMOVE THE MYSQL DATABASE
#=================================================
ynh_script_progression --message="Removing the MySQL database..."  --weight=1

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

##=================================================
## REMOVE REDIS DB
##=================================================
ynh_script_progression --message="Removing the Redis database..."  --weight=1

ynh_redis_remove_db

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..."  --weight=10

# 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="$final_path"
ynh_secure_remove --file="$final_path_www"

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

#=================================================
# REMOVE FAIL2BAN CONFIGURATION
#=================================================
ynh_script_progression --message="Removing fail2ban configuration..."  --weight=1

# Remove the dedicated fail2ban config
ynh_remove_fail2ban_config

#=================================================
# SPECIFIC REMOVE
#=================================================

#=================================================
# 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