import { execSync } from "node:child_process";

export function hasCommand(cmd: string): boolean {
  try {
    execSync(`which ${cmd}`, { stdio: "ignore" });
    return true;
  } catch {
    return false;
  }
}

export function isUntrackedStatus(status?: string): boolean {
  return status === "?" || status === "??";
}

export function isIgnoredStatus(status?: string): boolean {
  return status === "!" || status === "!!";
}

export function isMarkdownPath(path: string): boolean {
  return path.toLowerCase().endsWith(".md");
}

export function stripLeadingEmptyLines(lines: string[]): string[] {
  let startIdx = 0;
  while (startIdx < lines.length && !lines[startIdx].trim()) {
    startIdx++;
  }
  return lines.slice(startIdx);
}