#!/bin/bash

set -e
cd "$(dirname "$0")"

# this script destroys all resources in the current project.

if lxc remote get-default | grep -q "local"; then
    echo "ERROR: you are on the local lxc remote. Nothing to destroy"
    exit 1
fi

echo "WARNING: this script backs up your existing remote and saves all data locally in the SSME."
echo "         Then, all your VMs are destroyed on the remote resulting is destruction of user data."
echo "         But then we re-create everything using the new codebase, then restore user data to the"
echo "         newly provisioned VMs."

RESPONSE=
read -r -p "Are you sure you want to continue (y/n):  ": RESPONSE
if [ "$RESPONSE" != "y" ]; then
    echo "STOPPING."
    exit 0
fi

. ../defaults.sh

. ./remote_env.sh

. ./project_env.sh

if ! lxc info | grep "project:" | grep -q "$PROJECT_NAME"; then
    if lxc project list | grep -q "$PROJECT_NAME"; then
        lxc project switch "$PROJECT_NAME"
    fi
fi

for VM in www btcpayserver; do
    LXD_NAME="$VM-${DOMAIN_NAME//./-}"

    if lxc list | grep -q "$LXD_NAME"; then
        lxc delete -f "$LXD_NAME"

        # remove the ssh known endpoint else we get warnings.
        ssh-keygen -f "$SSH_HOME/known_hosts" -R "$LXD_NAME"
    fi

    if lxc profile list | grep -q "$LXD_NAME"; then
        lxc profile delete "$LXD_NAME"
    fi
done


if lxc network list -q | grep -q ss-ovn; then
    lxc network delete ss-ovn
fi

if ! lxc info | grep "project:" | grep -q default; then
    lxc project switch default
fi


if lxc project list | grep -q "$PROJECT_NAME"; then
    lxc project delete "$PROJECT_NAME"
fi

# delete the base image so it can be created.
if lxc list | grep -q "$BASE_IMAGE_VM_NAME"; then
    lxc delete -f "$BASE_IMAGE_VM_NAME"
    # remove the ssh known endpoint else we get warnings.
    ssh-keygen -f "$SSH_HOME/known_hosts" -R "$LXD_NAME"
fi