// Resolución server-side de una entidad de wowhead (nombre, calidad, icono) en la
// rama WotLK y en un idioma concreto, usando el endpoint de tooltip de wowhead (el
// mismo que consume tooltips.js). Cacheado un día: nombres/calidades no cambian.

export const WOWHEAD_ENTITY_TYPES = ['item', 'spell', 'quest', 'npc', 'achievement', 'object'] as const
export type WowheadEntityType = (typeof WOWHEAD_ENTITY_TYPES)[number]

// Código de locale de wowhead: 0 = inglés, 6 = español.
const WH_LOCALE: Record<string, number> = { es: 6, en: 0 }

export interface WowheadInfo {
  name: string | null
  quality: number | null
  icon: string | null
}

export async function fetchWowheadInfo(
  type: string,
  id: string | number,
  locale: string,
): Promise<WowheadInfo | null> {
  const cleanId = String(id).replace(/\D/g, '')
  if (!WOWHEAD_ENTITY_TYPES.includes(type as WowheadEntityType) || !cleanId) return null
  const wl = WH_LOCALE[locale] ?? 0
  try {
    const r = await fetch(`https://nether.wowhead.com/tooltip/${type}/${cleanId}?dataEnv=8&locale=${wl}`, {
      next: { revalidate: 86400 },
    })
    if (!r.ok) return null
    const d = (await r.json()) as { name?: string; quality?: number; icon?: string }
    return {
      name: d.name ?? null,
      quality: typeof d.quality === 'number' ? d.quality : null,
      icon: d.icon ?? null,
    }
  } catch {
    return null
  }
}