import { eq } from 'drizzle-orm'
import { z } from 'zod'

const schema = z.object({
  title: z.string(),
  synopsis: z.string(),
  brief: z.string(),
  writerAgentId: z.string().nullable(),
  writerLocked: z.boolean(),
  summary: z.string(),
  reviewNotes: z.string()
})

export default defineEventHandler(async (event) => {
  const chapter = getChapter(param(event))
  const body = await readPatch(event, schema)
  const patch: Partial<typeof tables.chapters.$inferInsert> = { ...body }
  // 手动填写简报后，章节进入“已出简报”状态
  if (body.brief !== undefined && chapter.status === 'planned' && body.brief.trim()) patch.status = 'briefed'
  if (body.brief !== undefined && chapter.status === 'briefed' && !body.brief.trim()) patch.status = 'planned'
  const row = useDb().update(tables.chapters).set(patch).where(eq(tables.chapters.id, chapter.id)).returning().get()
  emitProject(chapter.projectId, { type: 'chapter', chapterId: chapter.id })
  return row
})