export function getCookie(name: string): string | null {
  if (typeof document === "undefined") {
    return null;
  }

  const cookies = document.cookie.split(";");
  for (const cookie of cookies) {
    const [key, ...rest] = cookie.split("=");
    if (key?.trim() === name) {
      return decodeURIComponent(rest.join("="));
    }
  }

  return null;
}

export function setCookie(
  name: string,
  value: string,
  options: {
    maxAge?: number;
    path?: string;
    domain?: string;
    sameSite?: "Strict" | "Lax" | "None";
    secure?: boolean;
  } = {}
): void {
  if (typeof document === "undefined") {
    return;
  }

  const parts = [`${encodeURIComponent(name)}=${encodeURIComponent(value)}`];

  if (options.maxAge !== undefined) {
    parts.push(`max-age=${options.maxAge}`);
  }
  if (options.path) {
    parts.push(`path=${options.path}`);
  }
  if (options.domain) {
    parts.push(`domain=${options.domain}`);
  }
  if (options.sameSite) {
    parts.push(`SameSite=${options.sameSite}`);
  }
  if (options.secure) {
    parts.push("Secure");
  }

  // oxlint-disable-next-line unicorn/no-document-cookie
  document.cookie = parts.join("; ");
}

export function deleteCookie(
  name: string,
  options: { path?: string; domain?: string } = {}
): void {
  if (typeof document === "undefined") {
    return;
  }

  const parts = [`${encodeURIComponent(name)}=`, "max-age=0"];

  if (options.path) {
    parts.push(`path=${options.path}`);
  }
  if (options.domain) {
    parts.push(`domain=${options.domain}`);
  }

  // oxlint-disable-next-line unicorn/no-document-cookie
  document.cookie = parts.join("; ");
}