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

usage() {
  echo "usage: setup.sh [check|hooks]" >&2
  exit 2
}

action="${1:-check}"
[[ "$#" -le 1 ]] || usage
[[ "${action}" == "check" || "${action}" == "hooks" ]] || usage

missing=()

check_command() {
  local command="$1" label="${2:-$1}"
  if command -v "${command}" >/dev/null 2>&1; then
    printf 'ok       %s\n' "${label}"
  else
    printf 'missing  %s\n' "${label}"
    missing+=("${label}")
  fi
}

for command in bash git just tofu lefthook gitleaks caddy podman go wrangler jq node ssh scp ssh-keygen rsync curl dig shellcheck shfmt wg flock; do
  check_command "${command}"
done

if [[ -x /usr/lib/systemd/system-generators/podman-system-generator ]]; then
  printf 'ok       %s\n' podman-system-generator
else
  printf 'missing  %s\n' podman-system-generator
  missing+=(podman-system-generator)
fi

chrome=""
for candidate in google-chrome-stable google-chrome chromium chromium-browser; do
  if command -v "${candidate}" >/dev/null 2>&1; then
    chrome="${candidate}"
    break
  fi
done
if [[ -n "${chrome}" ]]; then
  printf 'ok       chrome (%s)\n' "${chrome}"
else
  printf 'missing  chrome\n'
  missing+=(chrome)
fi

if [[ "${#missing[@]}" -ne 0 ]]; then
  printf '\nmissing %d required tool(s): %s\n' "${#missing[@]}" "${missing[*]}" >&2
  exit 1
fi

if [[ "${action}" == "hooks" ]]; then
  lefthook install
fi