#!/bin/bash

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

source _common.sh
source ynh_redis
source ynh_uwsgi_service__2
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=$db_name
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)
redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)

#=================================================
# 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}_authorized_keys_worker >/dev/null
then
	ynh_script_progression --message="Removing ${app}_authorized_keys_worker service integration..."
	yunohost service remove ${app}_authorized_keys_worker
fi

# 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}_ci >/dev/null
then
	ynh_script_progression --message="Removing ${app}_ci service integration..."
	yunohost service remove ${app}_ci
fi

# 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}_ev_server >/dev/null
then
	ynh_script_progression --message="Removing ${app}_ev_server service integration..."
	yunohost service remove ${app}_ev_server
fi

# 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}_gitolite_worker >/dev/null
then
	ynh_script_progression --message="Removing ${app}_gitolite_worker service integration..."
	yunohost service remove ${app}_gitolite_worker
fi

# 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}_loadjson >/dev/null
then
	ynh_script_progression --message="Removing ${app}_loadjson service integration..."
	yunohost service remove ${app}_loadjson
fi

# 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}_logcom >/dev/null
then
	ynh_script_progression --message="Removing ${app}_logcom service integration..."
	yunohost service remove ${app}_logcom
fi

# 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}_milters >/dev/null
then
	ynh_script_progression --message="Removing ${app}_milters service integration..."
	yunohost service remove ${app}_milters
fi

# 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}_mirror >/dev/null
then
	ynh_script_progression --message="Removing ${app}_mirror service integration..."
	yunohost service remove ${app}_mirror
fi

# 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}_webhook >/dev/null
then
	ynh_script_progression --message="Removing ${app}_webhook service integration..."
	yunohost service remove ${app}_webhook
fi

# 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}_worker >/dev/null
then
	ynh_script_progression --message="Removing ${app}_worker service integration..."
	yunohost service remove ${app}_worker
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="${app}_authorized_keys_worker"
ynh_remove_systemd_config --service="${app}_ci"
#ynh_remove_systemd_config --service="${app}_ev_server"
ynh_remove_systemd_config --service="${app}_gitolite_worker"
ynh_remove_systemd_config --service="${app}_loadjson"
ynh_remove_systemd_config --service="${app}_logcom"
#ynh_remove_systemd_config --service="${app}_milters"
ynh_remove_systemd_config --service="${app}_mirror"
ynh_remove_systemd_config --service="${app}_webhook"
ynh_remove_systemd_config --service="${app}_worker"

ynh_remove_uwsgi_service --service="$app"

#=================================================
# 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 DATA DIR
#=================================================

# Remove the data directory if --purge option is used
if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
then
	ynh_script_progression --message="Removing app data directory..."
	ynh_secure_remove --file="$datadir"
fi

#=================================================
# 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_app_dependencies

#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE THE REDIS DATABASE
#=================================================
ynh_script_progression --message="Removing the redis database..."

ynh_redis_remove_db "$redis_db"

#=================================================
# 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"