import { atom } from 'nanostores'

import type { PetState } from './usePet.js'

interface PetFlash {
  state: PetState
  until: number
}

// Transient reaction beats (wave/jump/failed) the pet shows for a moment at
// turn end before falling back to its steady state. The gateway event handler
// sets these; usePet reads them with priority over the derived state.
export const $petFlash = atom<PetFlash | null>(null)

export const flashPet = (state: PetState, ms = 1600) => $petFlash.set({ state, until: Date.now() + ms })