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

# Installs the privileged command helper and sudoers drop-in.
# Usage: ./scripts/install-command-helper.sh [linux-user]

target_user="${1:-$USER}"
script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
helper_src="$script_dir/infoscreen-cmd-helper.sh"
helper_dst="/usr/local/bin/infoscreen-cmd-helper.sh"
sudoers_file="/etc/sudoers.d/infoscreen-command-helper"

if [[ ! -f "$helper_src" ]]; then
  echo "helper source not found: $helper_src" >&2
  exit 1
fi

sudo install -m 0755 "$helper_src" "$helper_dst"
printf '%s\n' "$target_user ALL=(ALL) NOPASSWD: $helper_dst" | sudo tee "$sudoers_file" >/dev/null
sudo chmod 0440 "$sudoers_file"
sudo visudo -cf "$sudoers_file" >/dev/null

echo "Installed helper: $helper_dst"
echo "Installed sudoers: $sudoers_file (user: $target_user)"