#!/usr/bin/env bash
# =============================================================================
# cost-alerts.sh — Nightly check: exits non-zero + prints red warning
# if any always-on resources are found.
# Designed for cron or quick end-of-day terminal check.
# Usage: source .env && bash scripts/cost-alerts.sh
# =============================================================================
set -euo pipefail

: "${PROJECT_ID:?Set PROJECT_ID}"
: "${REGION:?Set REGION}"

RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m'

RISK=0

check() {
  local LABEL="$1"; local CMD="$2"
  RESULT=$(eval "$CMD" 2>/dev/null || true)
  if [[ -n "$RESULT" ]]; then
    printf "${RED}[!!] %-22s ACTIVE: %s${NC}\n" "$LABEL" "$(echo "$RESULT" | head -3 | tr '\n' ' ')"
    RISK=1
  fi
}

printf "\n  OSVauco Cost Alert Check — $(date '+%Y-%m-%d %H:%M')\n\n"

check "Compute VMs" \
  "gcloud compute instances list --project=${PROJECT_ID} --format='value(name,status)' | grep RUNNING"

check "Cloud SQL" \
  "gcloud sql instances list --project=${PROJECT_ID} --format='value(name,state)' | grep RUNNABLE"

check "Composer" \
  "gcloud composer environments list --project=${PROJECT_ID} --locations=${REGION} --format='value(name)'"

check "Memory Bank" \
  "gcloud ai reasoning-engines list --project=${PROJECT_ID} --region=${REGION} --format='value(name)'"

check "Cloud Run min>0" \
  "gcloud run services list --project=${PROJECT_ID} --region=${REGION} --format='value(name)' | xargs -I{} gcloud run services describe {} --project=${PROJECT_ID} --region=${REGION} --format='value(spec.template.metadata.annotations.autoscaling\.knative\.dev/minScale)' 2>/dev/null | grep -v '^$' | grep -v '^0$'"

if [[ $RISK -eq 0 ]]; then
  printf "  ${GREEN}[OK] No always-on resources detected. Sleep well.${NC}\n\n"
else
  printf "\n  ${RED}Run: bash scripts/cost-audit.sh for full details.${NC}\n\n"
  exit 1
fi