import { describe, expect, it } from 'vitest'
import {
  getPoiDisplayPolicy,
  isPoiVisibilityTierAtLeast
} from '@/domain/poiDisplay'

describe('POI 显示策略', () => {
  it('空间点位初始总览保留 marker，但不进入环境标签层', () => {
    const policy = getPoiDisplayPolicy({
      primaryCategory: 'space_public_area',
      kind: 'space'
    })

    expect(policy.labelVisible).toBe(false)
    expect(policy.minMarkerTier).toBe('tight')
    expect(policy.allowOverview).toBe(true)
    expect(policy.allowMulti).toBe(true)
    expect(policy.minLabelTier).toBe('full')
  })

  it('展厅和服务设施拥有不同优先级与标签密度策略', () => {
    const hall = getPoiDisplayPolicy({ primaryCategory: 'exhibition_hall', kind: 'hall' })
    const service = getPoiDisplayPolicy({ primaryCategory: 'business_poi', kind: 'facility' })

    expect(hall.labelVisible).toBe(true)
    expect(hall.minLabelTier).toBe('tight')
    expect(hall.priority).toBeGreaterThan(service.priority)
    expect(service.minLabelTier).toBe('full')
  })

  it('LOD tier 按 tight 到 full 单调放宽', () => {
    expect(isPoiVisibilityTierAtLeast('tight', 'tight')).toBe(true)
    expect(isPoiVisibilityTierAtLeast('balanced', 'tight')).toBe(true)
    expect(isPoiVisibilityTierAtLeast('balanced', 'full')).toBe(false)
    expect(isPoiVisibilityTierAtLeast('full', 'balanced')).toBe(true)
  })
})