export type AssetCategory = 'color' | 'roughness' | 'normal' | 'metalness' | 'assets'

export function classifyAssetCategory(filename: string): AssetCategory {
  const name = filename.toLowerCase().replace(/\.[^.]+$/, '')

  if (name.includes('base_color') || name.includes('_color') || name === 'color') {
    return 'color'
  }

  if (name.includes('roughness')) {
    return 'roughness'
  }

  if (name.includes('normal')) {
    return 'normal'
  }

  if (name.includes('metallic') || name.includes('metalness')) {
    return 'metalness'
  }

  return 'assets'
}