export interface ModerationResult {
  allowed: boolean
  categories: string[]
}

const explicitPatterns = [
  /\b(?:explicit sex|porn(?:ography)?|rape|sexual assault)\b/i,
  /\b(?:nude|naked)\s+(?:child|minor|teen)\b/i,
  /\b(?:child|minor|underage)\s+(?:sex|sexual|erotic)\b/i,
]

const extremeGorePatterns = [
  /\b(?:graphic dismemberment|torture porn|extreme gore)\b/i,
]

export function moderate13Plus(text: string): ModerationResult {
  const categories: string[] = []
  if (explicitPatterns.some(pattern => pattern.test(text))) categories.push('sexual_explicit')
  if (extremeGorePatterns.some(pattern => pattern.test(text))) categories.push('extreme_graphic_violence')
  return { allowed: categories.length === 0, categories }
}