# Stack selection — set LINDERHOF_STACK before sourcing, or create a .stack file
watch_file .stack
if [[ -z "${LINDERHOF_STACK:-}" ]]; then
  if [[ -f "$PWD/.stack" ]]; then
    LINDERHOF_STACK="$(cat "$PWD/.stack")"
    echo "linderhof: LINDERHOF_STACK is set to '$LINDERHOF_STACK'"
  fi
fi

if [[ -z "${LINDERHOF_STACK:-}" ]]; then
  echo "linderhof: LINDERHOF_STACK is not set" >&2
  echo "  new here? run: ./setup.sh" >&2
  echo "  existing stack? run: echo <stack-name> > .stack" >&2
else
  export LINDERHOF_STACK
  export LINDERHOF_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/linderhof/$LINDERHOF_STACK"
  export ANSIBLE_INVENTORY="$LINDERHOF_DIR/hosts.yml"
  export ANSIBLE_VAULT_PASSWORD_FILE="$LINDERHOF_DIR/vault-pass"

  # Extract HCLOUD_TOKEN from vault for hcloud CLI and Ansible modules
  if [[ -f "$LINDERHOF_DIR/vault-pass" && -f "$LINDERHOF_DIR/group_vars/all/vault.yml" ]]; then
    HCLOUD_TOKEN="$(ansible-vault view "$LINDERHOF_DIR/group_vars/all/vault.yml" \
      --vault-password-file "$LINDERHOF_DIR/vault-pass" 2>/dev/null \
      | grep '^hcloud_token:' | sed 's/^hcloud_token: *"\?\(.*\)$/\1/; s/"$//')"
    export HCLOUD_TOKEN
  fi

  # Per-stack overrides: DOCKER_HOST, etc. — written by setup.sh
  if [[ -f "$LINDERHOF_DIR/stack.env" ]]; then
    # shellcheck source=/dev/null
    source "$LINDERHOF_DIR/stack.env"
  fi
fi