#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --time --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
port=$(ynh_app_setting_get --app=$app --key=port)
rpc_secret=$(ynh_app_setting_get --app=$app --key=rpc_secret)
port_api=$(ynh_app_setting_get --app=$app --key=port_api)
port_web=$(ynh_app_setting_get --app=$app --key=port_web)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)
bootstrap_peers=$(ynh_app_setting_get --app=$app --key=bootstrap_peers)
node_id=$(ynh_app_setting_get --app=$app --key=node_id)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
virtualisation=$(ynh_app_setting_get --app=$app --key=virtualisation)
if [ "$virtualisation" = "true" ]
then
	nbd_index=$(ynh_app_setting_get --app=$app --key=nbd_index)
fi
#=================================================
# REMOVE NODE CONFIGURATION
#=================================================
$final_path/garage -c $final_path/garage.toml layout remove "$node_id"

apply_layout "$final_path/garage -c $final_path/garage.toml "
if [ $? -ne 0 ]
then
	ynh_print_warn --message="unable to remove the node. Maybe the number of node staying alive is not enough"
fi


#=================================================
# 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 integration..." --time --weight=1
	yunohost service remove $app
fi

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

# Remove the dedicated systemd config
ynh_remove_systemd_config

#=================================================
# REMOVE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Removing logrotate configuration..." --time --weight=1

# Remove the app-specific logrotate config
ynh_remove_logrotate


if [ "$virtualisation" = "true" ]
then
	#=================================================
	# REMOVE VIRTUAL DISK
	#=================================================
	ynh_script_progression --message="umount virtual disk..." --time --weight=1

	# Remove the app directory securely
	$final_path/umount_disk.sh  $nbd_index
fi
#=================================================
# REMOVE APP MAIN DIR
#=================================================
ynh_script_progression --message="Removing app main directory..." --time --weight=1

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

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

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

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Removing NGINX web server configuration..." --time --weight=1

# Remove the dedicated NGINX config
ynh_remove_nginx_config

#add wildcard subdomain
ynh_replace_string --replace_string="server_name $domain" --match_string="server_name $domain *.$domain" --target_file="/etc/nginx/conf.d/$domain.conf"
ynh_store_file_checksum --file="/etc/nginx/conf.d/$domain.conf"

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..." --time --weight=1

# Remove metapackage and its dependencies
ynh_remove_app_dependencies

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

if yunohost firewall list | grep -q "\- $port$"
then
	ynh_script_progression --message="Closing port $port..." --time --weight=1
	ynh_exec_warn_less yunohost firewall disallow TCP $port
fi


#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE VARIOUS FILES
#=================================================
ynh_script_progression --message="Removing various files..." --time --weight=1

# Remove the log files
ynh_secure_remove --file="/var/log/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# REMOVE DEDICATED USER
#=================================================
ynh_script_progression --message="Removing the dedicated system user..." --time --weight=1

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

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

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