import { beforeEach, describe, expect, it } from 'vitest'
import { useGuideModelState } from '@/composables/useGuideModelState'

describe('guide model floor baseline reset queue', () => {
  beforeEach(() => {
    const state = useGuideModelState()
    state.invalidatePendingRequests()
    const pending = state.consumePendingViewBaselineReset()
    if (pending) state.completeViewBaselineReset(pending)
  })

  it('keeps only the latest pre-ready reset and consumes it once', () => {
    const state = useGuideModelState()
    const first = state.beginViewBaselineReset({ floorId: 'L1', rendererReason: 'poi-detail-close' })
    expect(state.queueViewBaselineReset(first)).toBe(true)
    const second = state.beginViewBaselineReset({ floorId: 'L2', rendererReason: 'floor-reset' })
    expect(state.queueViewBaselineReset(second)).toBe(true)

    expect(state.consumePendingViewBaselineReset()).toEqual(second)
    expect(state.consumePendingViewBaselineReset()).toBeNull()
  })

  it('does not let an obsolete reset queue or commit after a newer request', () => {
    const state = useGuideModelState()
    const obsolete = state.beginViewBaselineReset({ floorId: 'L1', rendererReason: 'poi-detail-close' })
    const latest = state.beginViewBaselineReset({ floorId: 'L2', rendererReason: 'floor-reset' })

    expect(state.isCurrentRequest(obsolete.requestId)).toBe(false)
    expect(state.queueViewBaselineReset(obsolete)).toBe(false)
    expect(state.completeViewBaselineReset(obsolete)).toBe(false)
    expect(state.queueViewBaselineReset(latest)).toBe(true)
    expect(state.consumePendingViewBaselineReset()).toEqual(latest)
  })
})