#!/bin/sh
set -e

# --- Configuration ---
FULL_IMAGE_URL="$REGISTRY/$OWNER/godot-builder-$BUILDER_TYPE:$IMAGE_TAG"

echo "------------------------------------------------"
echo "Starting Build for: $PLATFORM / $TARGET"
echo "Using Builder:      $FULL_IMAGE_URL"
echo "------------------------------------------------"

echo "Logging into registry..."
# Note: We use --password-stdin for security so the secret isn't in process list
echo "$PASSWORD" | buildah login -u "$USERNAME" --password-stdin --tls-verify=false  "$REGISTRY"

echo "Pulling image and creating working container..."
# We capture the Container ID (CTR)
CTR=$(buildah from --tls-verify=false  "$FULL_IMAGE_URL")

# 3. Clean up on exit (Trap)
cleanup() {
    echo "Cleaning up container..."
    buildah rm  "$CTR" || true
}
trap cleanup EXIT

# 4. Determine SCons Flags based on Platform
# Windows needs LLVM/MinGW flags. Linux just needs defaults.
SCONS_FLAGS="platform=$PLATFORM target=$TARGET arch=x86_64 precision=double production=$PRODUCTION -j$(nproc)"

if [ "$PLATFORM" = "windows" ]; then
    # Add Windows-specific flags (LLVM toolchain, disable D3D12)
    SCONS_FLAGS="$SCONS_FLAGS use_llvm=yes use_mingw=yes d3d12=no"
fi

# We use 'buildah config' to set it on the container instance instead.
buildah config --workingdir /src "$CTR"

echo "Running: scons $SCONS_FLAGS"

# 5. Run Build
buildah run \
  --volume "$PWD":/src \
  "$CTR" \
  scons $SCONS_FLAGS

echo "✅ Build Complete"