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

SCRIPT_PATH="${BASH_SOURCE[0]:-${0}}"
SCRIPT_DIR="$(cd "$(dirname "${SCRIPT_PATH}")" && pwd)"
TAURI_DIR="${SCRIPT_DIR}/ui-tauri-react/src-tauri"

RUNTIME_BINS=(
  zenbook-duo-daemon
  zenbook-duo-session-agent
  zenbook-duo-lifecycle
  zenbook-duo-usb-remap-helper
)

usage() {
  cat <<'EOF'
build-rust-runtime.sh - compile Zenbook Duo background service binaries

Usage:
  ./build-rust-runtime.sh

Builds release binaries under ui-tauri-react/src-tauri/target/release/.
Install them with ./install-rust-runtime.sh --install-only
EOF
}

need_cmd() {
  command -v "$1" >/dev/null 2>&1 || {
    echo "ERROR: Missing required command: $1" >&2
    exit 1
  }
}

if [ "${1:-}" = "-h" ] || [ "${1:-}" = "--help" ]; then
  usage
  exit 0
fi

if [ "$#" -gt 0 ]; then
  echo "ERROR: unknown argument: $1" >&2
  usage >&2
  exit 1
fi

need_cmd cargo

if [ ! -f "${TAURI_DIR}/Cargo.toml" ]; then
  echo "ERROR: Could not find Tauri crate at ${TAURI_DIR}" >&2
  exit 1
fi

echo "Building Rust runtime binaries..."
cargo build --release \
  --manifest-path "${TAURI_DIR}/Cargo.toml" \
  --bin "${RUNTIME_BINS[0]}" \
  --bin "${RUNTIME_BINS[1]}" \
  --bin "${RUNTIME_BINS[2]}" \
  --bin "${RUNTIME_BINS[3]}"

echo "Built runtime binaries:"
for binary in "${RUNTIME_BINS[@]}"; do
  echo "  ${TAURI_DIR}/target/release/${binary}"
done