import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import { readFileSync, mkdtempSync, rmSync } from 'fs'
import { join } from 'path'
import { tmpdir } from 'os'
import { BookRegistryService } from '../../src/main/services/book-registry'
import { splitPlainText } from '../../src/main/lib/chapter-splitter'
import { VolumeRepository } from '../../src/main/db/repositories/volume.repo'
import { ChapterRepository } from '../../src/main/db/repositories/chapter.repo'
import { closeAllBookDbs } from '../../src/main/db/connection'

const FIXTURE = join(import.meta.dirname, '../fixtures/import-three-chapters.txt')

describe('Import integration', () => {
  let dir: string
  let registry: BookRegistryService

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

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

  it('IT-IMPORT-01: split + create book chapters', () => {
    const parts = splitPlainText(readFileSync(FIXTURE, 'utf8'), 'auto')
    expect(parts).toHaveLength(3)

    const meta = registry.create({
      name: '导入测试书',
      category: '玄幻',
      createSampleChapter: false
    })
    const db = registry.getDb(meta.id)
    const volId = new VolumeRepository(db).list()[0]!.id
    const chapterRepo = new ChapterRepository(db)
    parts.forEach((p, i) => {
      chapterRepo.create(volId, p.title, i, `<p>${p.body}</p>`)
    })

    const opened = registry.open(meta.id)
    expect(opened.chapters).toHaveLength(3)
    expect(opened.chapters[0]!.title).toContain('第一章')
  })
})