import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import { DatabaseSync } from 'node:sqlite'
import { migrate } from '../../src/main/db/migrate'
import { OutlineRepository } from '../../src/main/db/repositories/outline.repo'
import type { SqliteDb } from '../../src/main/db/types'

describe('OutlineRepository', () => {
  let db: SqliteDb
  let repo: OutlineRepository

  beforeEach(() => {
    db = new DatabaseSync(':memory:')
    migrate(db)
    repo = new OutlineRepository(db)
  })

  afterEach(() => {
    db.close()
  })

  it('creates nested outline items', () => {
    const parent = repo.create(null, '第一幕', 0)
    const child = repo.create(parent.id, '开端', 0)
    expect(repo.listTree()).toHaveLength(1)
    expect(repo.listTree()[0].children).toHaveLength(1)
    expect(repo.listTree()[0].children![0].id).toBe(child.id)
  })

  it('lists uncovered items without chapter link', () => {
    const item = repo.create(null, '未覆盖', 0)
    repo.update(item.id, { chapterId: null })
    expect(repo.listUncovered()).toHaveLength(1)
    expect(repo.listUncovered()[0].id).toBe(item.id)
  })

  it('deletes parent and cascades children', () => {
    const parent = repo.create(null, '父节点', 0)
    repo.create(parent.id, '子节点', 0)
    repo.delete(parent.id)
    expect(repo.listFlat()).toHaveLength(0)
  })

  it('moves item to new parent', () => {
    const a = repo.create(null, 'A', 0)
    const b = repo.create(null, 'B', 1)
    const child = repo.create(a.id, 'child', 0)
    repo.move(child.id, b.id, 0)
    expect(repo.get(child.id)!.parentId).toBe(b.id)
  })
})