#!/bin/sh
set -e

# --- Configuration ---
IMAGE_NAME="godot-builder-base"
# We hash the Dockerfile to create a unique cache key
FILE_HASH=$(sha256sum Dockerfile.base | cut -c 1-8)
FULL_TAG="$REGISTRY/$USERNAME/$IMAGE_NAME:$FILE_HASH"
LATEST_TAG="$REGISTRY/$USERNAME/$IMAGE_NAME:latest"

echo "Logging in..."
buildah login -u "$USERNAME" -p "$PASSWORD" --tls-verify=false "$REGISTRY"

echo "Checking if base image $FULL_TAG exists..."

# If we can pull it, we don't need to build it!
if buildah pull --tls-verify=false "$FULL_TAG"; then
  echo "✅ Cache Hit! Base image exists. Skipping build."
  # Just re-tag 'latest' to point to this valid existing image
  buildah tag "$FULL_TAG" "$LATEST_TAG"
  buildah push --tls-verify=false "$LATEST_TAG"
  exit 0
fi

echo "⚠️ Cache Miss. Building new base image..."
buildah build \
  --tls-verify=false \
  -f Dockerfile.base \
  -t "$FULL_TAG" \
  -t "$LATEST_TAG" \
  .

echo "Pushing base image..."
buildah push --tls-verify=false "$FULL_TAG"
buildah push --tls-verify=false "$LATEST_TAG"