#!/usr/bin/env bash
set -euo pipefail

if [ -z "${CONFIG_FILE-}" ] && [ -f "${CONFIG_FILE-}" ]; then
    . "${CONFIG_FILE}"
fi
POSITIONAL_ARGS=()

while [[ $# -gt 0 ]]; do
  case $1 in
    -n|--name)
      AZURE_VM_NAME="$2"
      shift # past argument
      shift # past value
      ;;
    -*|--*)
      echo "Unknown option $1"
      exit 1
      ;;
    *)
      POSITIONAL_ARGS+=("$1") # save positional arg
      shift # past argument
      ;;
  esac
done

set -- "${POSITIONAL_ARGS[@]}" # restore positional parameters

AZ_VM_INFO=$(az vm show --name "${AZURE_VM_NAME}" --resource-group "${AZURE_RESOURCE_GROUP_NAME}" -o json)
NIC=$(echo "${AZ_VM_INFO}" | jq -r '.networkProfile.networkInterfaces[0].id')
NIC_INFO=$(az network nic show --ids "${NIC}" -o json)
PUBIP=$(echo "${NIC_INFO}" | jq -r '.ipConfigurations[0].publicIpAddress.id')
NSG=$(echo "${NIC_INFO}" | jq -r '.networkSecurityGroup.id')
SUBNET=$(echo "${NIC_INFO}" | jq -r '.ipConfigurations[0].subnet.id')
VNET=$(echo $SUBNET | sed 's#/subnets/.*##')
DISK=$(echo "${AZ_VM_INFO}" | jq -r '.storageProfile.osDisk.managedDisk.id')


delete_vm () {
    az vm delete -y --name "${AZURE_VM_NAME}" \
        --resource-group "${AZURE_RESOURCE_GROUP_NAME}" || true
}

delete_vnet () {
    az network vnet delete --ids "${VNET}" || true
}

delete_subnet () {
    az network vnet subnet delete --ids "${SUBNET}" || true
}

delete_nsg () {
    az network nsg delete --ids "${NSG}" || true
}

delete_pubip () {
    az network public-ip delete --ids "${PUBIP}" || true
}

delete_disk () {
    az disk delete -y --ids "${DISK}" || true
}

delete_nic () {
    az network nic delete --ids "${NIC}" || true
}

delete_vm
delete_disk
delete_nic
delete_nsg
delete_subnet
delete_vnet
delete_pubip