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

TOOLS_FILE="${1:-/opt/claude-dev/required-tools.txt}"

if [[ ! -f "$TOOLS_FILE" ]]; then
  echo "required tools file not found: $TOOLS_FILE" >&2
  exit 1
fi

# Special packages that aren't standalone binaries
declare -A SPECIAL_CHECKS=(
  ["ca-certificates"]="test -f /etc/ssl/certs/ca-certificates.crt"
)

missing=()
while IFS= read -r tool; do
  [[ -z "$tool" ]] && continue
  [[ "$tool" =~ ^# ]] && continue

  if [[ -n "${SPECIAL_CHECKS[$tool]:-}" ]]; then
    if ! eval "${SPECIAL_CHECKS[$tool]}" >/dev/null 2>&1; then
      missing+=("$tool")
    fi
  elif ! command -v "$tool" >/dev/null 2>&1; then
    missing+=("$tool")
  fi
done < "$TOOLS_FILE"

if (( ${#missing[@]} > 0 )); then
  echo "Missing required tools:" >&2
  printf ' - %s\n' "${missing[@]}" >&2
  exit 1
fi

echo "All required tools are present"