import { createMarkdownPlainTextOffsetMap } from '@admin/utils/editor/create-markdown-plain-text-offset-map'

export function getPlainTextOffsetBeforeMarkdownOffset(
  markdown: string,
  markdownOffset: number
): number {
  const offsetMap = createMarkdownPlainTextOffsetMap(markdown)
  const safeOffset = Math.max(0, Math.min(markdownOffset, markdown.length))

  return offsetMap.markdownToPlainOffsets[safeOffset] ?? 0
}