import { marked } from 'marked'
import DOMPurify from 'dompurify'

marked.setOptions({
  breaks: true,
  gfm: true,
})

export function renderMarkdown(text: string): string {
  if (!text) return ''
  const raw = marked.parseInline(text) as string
  return DOMPurify.sanitize(raw, { ALLOWED_TAGS: ['strong', 'em', 'code', 'a', 'br'], ALLOWED_ATTR: ['href', 'target', 'rel'] })
}

export function stripMarkdown(text: string): string {
  if (!text) return ''
  return text
    .replace(/[*_~`#]/g, '')
    .replace(/\[([^\]]+)\]\([^)]+\)/g, '$1')
    .replace(/!\[([^\]]*)\]\([^)]+\)/g, '$1')
}