#!/bin/bash

# NUPST Launcher Script
# This script detects architecture and OS, then runs NUPST with the appropriate Node.js binary

# First, handle symlinks correctly
REAL_SCRIPT_PATH=$(readlink -f "${BASH_SOURCE[0]}")
SCRIPT_DIR=$(dirname "$REAL_SCRIPT_PATH")

# For debugging
# echo "Script path: $REAL_SCRIPT_PATH"
# echo "Script dir: $SCRIPT_DIR"

# If we're run via symlink from /usr/local/bin, use the hardcoded installation path
if [[ "$SCRIPT_DIR" == "/usr/local/bin" ]]; then
  PROJECT_ROOT="/opt/nupst"
else
  # Otherwise, use relative path from script location
  PROJECT_ROOT="$( cd "$SCRIPT_DIR/.." &> /dev/null && pwd )"
fi

# For debugging
# echo "Project root: $PROJECT_ROOT"

# Set Node.js binary path directly
NODE_BIN="$PROJECT_ROOT/vendor/node-linux-x64/bin/node"

# If binary doesn't exist, try system Node as fallback
if [ ! -f "$NODE_BIN" ]; then
  if command -v node &> /dev/null; then
    NODE_BIN="node"
    echo "Using system Node.js installation"
  else  
    echo "Error: Node.js binary not found at $NODE_BIN"
    echo "Please run the setup script or install Node.js manually."
    exit 1
  fi
fi

# Run NUPST with the Node.js binary
if [ -f "$PROJECT_ROOT/dist_ts/index.js" ]; then
  exec "$NODE_BIN" "$PROJECT_ROOT/dist_ts/index.js" "$@"
elif [ -f "$PROJECT_ROOT/dist/index.js" ]; then
  exec "$NODE_BIN" "$PROJECT_ROOT/dist/index.js" "$@"
else
  echo "Error: Could not find NUPST's index.js file."
  echo "Please run the setup script to download the required files."
  exit 1
fi