import { eq } from 'drizzle-orm'

export default defineEventHandler((event) => {
  const chapter = getChapter(param(event))
  if (getActiveRun(chapter.projectId)) throw createError({ statusCode: 409, message: '有任务正在运行，请先停止再删除章节' })
  const db = useDb()
  db.transaction(() => {
    db.delete(tables.chapters).where(eq(tables.chapters.id, chapter.id)).run()
    reindexAfterDelete(chapter.projectId, chapter.index)
  })
  emitProject(chapter.projectId, { type: 'chapters' })
  return { ok: true }
})