#!/usr/bin/env bash
set -euo pipefail

SCRIPT_PATH="${BASH_SOURCE[0]:-}"
if [ -n "${SCRIPT_PATH}" ] && [ "${SCRIPT_PATH}" != "bash" ] && [ "${SCRIPT_PATH}" != "-" ] && [ -f "${SCRIPT_PATH}" ]; then
  SCRIPT_DIR="$(cd "$(dirname "${SCRIPT_PATH}")" && pwd)"
else
  SCRIPT_DIR="$(pwd)"
fi

usage() {
  cat <<'EOF'
build.sh - compile Zenbook Duo runtime and UI without installing

Usage:
  ./build.sh [--runtime-only | --ui-only]

Builds:
  - Background services -> ui-tauri-react/src-tauri/target/release/
  - Control Panel UI    -> ui-tauri-react/src-tauri/target/release/bundle/

Install built artifacts with:
  ./install-rust-runtime.sh --install-only
  ./install-ui.sh --install-only --dir .
EOF
}

BUILD_RUNTIME=true
BUILD_UI=true

while [ "$#" -gt 0 ]; do
  case "$1" in
    --runtime-only)
      BUILD_UI=false
      shift
      ;;
    --ui-only)
      BUILD_RUNTIME=false
      shift
      ;;
    -h|--help)
      usage
      exit 0
      ;;
    *)
      echo "ERROR: unknown argument: $1" >&2
      usage >&2
      exit 1
      ;;
  esac
done

if [ "${BUILD_RUNTIME}" = true ]; then
  echo "==> Building Rust runtime"
  "${SCRIPT_DIR}/build-rust-runtime.sh"
fi

if [ "${BUILD_UI}" = true ]; then
  echo "==> Building Control Panel UI"
  "${SCRIPT_DIR}/install-ui.sh" --dir "${SCRIPT_DIR}" --build-only --skip-prereqs
fi

echo
echo "Build complete. Install with:"
echo "  ./install-rust-runtime.sh --install-only"
echo "  ./install-ui.sh --install-only --dir ."