import { mkdtemp, readFile, writeFile } from 'node:fs/promises'
import { join } from 'node:path'
import { tmpdir } from 'node:os'
import { describe, expect, it } from 'vitest'
import { CourtSettingsStore } from './CourtSettingsStore'

describe('CourtSettingsStore', () => {
  it('未配置时返回对应球场的默认值', async () => {
    const directory = await mkdtemp(join(tmpdir(), 'tennis-book-settings-'))
    const store = new CourtSettingsStore(join(directory, 'court-settings.json'))

    await expect(store.get('court-a', {
      courtId: 'court-a'
    })).resolves.toEqual({ courtId: 'court-a' })
  })

  it('按球场隔离并持久化访客凭证', async () => {
    const directory = await mkdtemp(join(tmpdir(), 'tennis-book-settings-'))
    const filePath = join(directory, 'court-settings.json')
    const store = new CourtSettingsStore(filePath)

    await store.update({
      courtId: 'court-a',
      visitorId: 'court-a-secret'
    })
    await store.update({ courtId: 'court-b' })

    const reloaded = new CourtSettingsStore(filePath)
    await expect(reloaded.get('court-a', {
      courtId: 'court-a'
    })).resolves.toEqual({
      courtId: 'court-a',
      visitorId: 'court-a-secret'
    })
    await expect(reloaded.get('court-b', {
      courtId: 'court-b'
    })).resolves.toEqual({ courtId: 'court-b' })

    const persisted = JSON.parse(await readFile(filePath, 'utf8')) as unknown
    expect(persisted).toEqual({
      version: 1,
      courts: {
        'court-a': { visitorId: 'court-a-secret' },
        'court-b': {}
      }
    })
  })

  it('忽略旧版暴露的场地 ID，只迁移访客凭证', async () => {
    const directory = await mkdtemp(join(tmpdir(), 'tennis-book-settings-legacy-'))
    const filePath = join(directory, 'court-settings.json')
    await writeFile(filePath, JSON.stringify({
      version: 1,
      courts: {
        'court-a': { userId: '6038652', visitorId: 'legacy-secret' }
      }
    }))

    const store = new CourtSettingsStore(filePath)
    await expect(store.get('court-a', {
      courtId: 'court-a'
    })).resolves.toEqual({
      courtId: 'court-a',
      visitorId: 'legacy-secret'
    })
  })
})