#!/bin/bash
# Compare deployed container versions against local git HEAD
# Warns if containers are stale (built from an older commit)

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_DIR="$(dirname "$SCRIPT_DIR")"

cd "$REPO_DIR"

LOCAL_COMMIT=$(git rev-parse HEAD)
echo "Local HEAD: $(git rev-parse --short HEAD) ($LOCAL_COMMIT)"
echo ""

check() {
  local name="$1"

  if ! docker inspect "$name" &>/dev/null; then
    echo "[$name] Not running"
    return
  fi

  local commit date
  commit=$(docker inspect "$name" --format '{{index .Config.Labels "org.opencontainers.image.revision"}}' 2>/dev/null)
  date=$(docker inspect "$name" --format '{{index .Config.Labels "org.opencontainers.image.created"}}' 2>/dev/null)

  if [ -z "$commit" ] || [ "$commit" = "unknown" ]; then
    echo "[$name] WARNING: no build label found — redeploy with scripts/deploy.sh to add tracking"
    return
  fi

  echo "[$name] Built: ${commit:0:7} on ${date:-unknown}"

  if [ "$commit" = "$LOCAL_COMMIT" ]; then
    echo "[$name] OK: up to date"
  else
    echo "[$name] STALE: container is behind local code — run scripts/deploy.sh"
  fi
}

check "gravl-backend"
check "gravl-frontend"