import { ByteRange } from "p2p-media-loader-core";

export function getSegmentRuntimeId(
  segmentRequestUrl: string,
  byteRange?: ByteRange,
) {
  if (!byteRange) return segmentRequestUrl;
  return `${segmentRequestUrl}|${byteRange.start}-${byteRange.end}`;
}

export function getByteRange(
  rangeStart: number | undefined,
  rangeEnd: number | undefined,
): ByteRange | undefined {
  if (
    rangeStart !== undefined &&
    rangeEnd !== undefined &&
    rangeStart <= rangeEnd
  ) {
    return { start: rangeStart, end: rangeEnd };
  }
}