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import { decodeHexString, encodeHexString } from "../utils.ts";import { BSONTypeError } from "./error.ts";
// Validation regex for v4 uuid (validates with or without dashes)const VALIDATION_REGEX =  /^(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15})$/i;
export const uuidValidateString = (str: string): boolean =>  typeof str === "string" && VALIDATION_REGEX.test(str);
export const uuidHexStringToBuffer = (hexString: string): Uint8Array => {  if (!uuidValidateString(hexString)) {    throw new BSONTypeError(      'UUID string representations must be a 32 or 36 character hex string (dashes excluded/included). Format: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" or "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".',    );  }
  const sanitizedHexString = hexString.replace(/-/g, "");  return decodeHexString(sanitizedHexString);};
const hexTable = new TextEncoder().encode("0123456789abcdef");const textDecoder = new TextDecoder();
export const bufferToUuidHexString = (  bytes: Uint8Array,  includeDashes = true,): string => {  if (!includeDashes) return encodeHexString(bytes);  const dst = new Uint8Array(36);  let srcIndex = 0;  let dstIndex = 0;  while (srcIndex < bytes.length) {    if (      dstIndex === 8 || dstIndex === 13 || dstIndex === 18 || dstIndex === 23    ) {      dst[dstIndex] = 45;      dstIndex++;      continue;    }    const v = bytes[srcIndex];    dst[dstIndex] = hexTable[v >> 4];    dst[dstIndex + 1] = hexTable[v & 0x0f];    dstIndex += 2;    srcIndex++;  }  return textDecoder.decode(dst);};