#!/bin/bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"
set -a
[ -f "${SCRIPT_DIR}/env-private_gateway" ] && source "${SCRIPT_DIR}/env-private_gateway"
set +a

PGW_NAMESPACE="${PGW_NAMESPACE:-kube-system}"
PGW_NAME="${PGW_NAME:-private-gateway}"
KUBECONFIG="${KUBECONFIG:-/etc/kubernetes/admin.conf}"

export KUBECONFIG PGW_NAMESPACE PGW_NAME SCRIPT_DIR

source "${SCRIPT_DIR}/private_gateway-lib.sh"

CMD_TSK="${CMD_TSK:-${1:-install}}"

_do_install() {
  bash "${SCRIPT_DIR}/run-init.sh"
  echo "private-gateway installed: $PGW_NAME in namespace $PGW_NAMESPACE"
  echo "  Gateway IP: $(_kubectl get gateway "$PGW_NAME" -n "$PGW_NAMESPACE" -o jsonpath='{.status.addresses[0].value}' 2>/dev/null || echo 'pending')"
}

_do_update() {
  bash "${SCRIPT_DIR}/run-update.sh"
  echo "private-gateway updated"
}

_do_delete() {
  bash "${SCRIPT_DIR}/run-delete.sh"
  echo "private-gateway deleted"
}

_do_health() {
  _method_health
}

case "$CMD_TSK" in
  install) _do_install ;;
  update)  _do_update  ;;
  delete)  _do_delete  ;;
  health)  _do_health  ;;
  *)
    echo "ERROR: unknown CMD_TSK='$CMD_TSK'" >&2
    echo "Valid: install|update|delete|health" >&2
    exit 1
    ;;
esac