import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import { existsSync, mkdtempSync, rmSync } from 'fs'
import { join } from 'path'
import { tmpdir } from 'os'
import { BookRegistryService } from '../../src/main/services/book-registry'
import { closeAllBookDbs } from '../../src/main/db/connection'

describe('BookRegistryService', () => {
  let dir: string
  let svc: BookRegistryService

  beforeEach(() => {
    dir = mkdtempSync(join(tmpdir(), 'bilin-books-'))
    svc = new BookRegistryService(dir)
  })

  afterEach(() => {
    closeAllBookDbs()
    rmSync(dir, { recursive: true, force: true })
  })

  it('creates book with registry entry, sqlite file, and default volume', () => {
    const meta = svc.create({
      name: '测试书',
      category: '玄幻',
      createSampleChapter: true
    })

    expect(meta.name).toBe('测试书')
    expect(svc.list()).toHaveLength(1)
    expect(existsSync(join(dir, 'books', `${meta.id}.sqlite`))).toBe(true)

    const opened = svc.open(meta.id)
    expect(opened.volumes).toHaveLength(1)
    expect(opened.volumes[0].name).toBe('第一卷')
    expect(opened.chapters.length).toBeGreaterThanOrEqual(1)
    expect(meta.lastChapterId).toBeTruthy()
  })
})