import { asc, eq } from 'drizzle-orm'

export default defineEventHandler((event) => {
  const projectId = param(event)
  const db = useDb()
  return db.select({
    id: tables.chapters.id,
    index: tables.chapters.index,
    title: tables.chapters.title,
    synopsis: tables.chapters.synopsis,
    status: tables.chapters.status,
    writerAgentId: tables.chapters.writerAgentId,
    writerLocked: tables.chapters.writerLocked,
    activeVersionId: tables.chapters.activeVersionId,
    hasBrief: tables.chapters.brief,
    wordCount: tables.chapterVersions.wordCount,
    updatedAt: tables.chapters.updatedAt
  }).from(tables.chapters)
    .leftJoin(tables.chapterVersions, eq(tables.chapterVersions.id, tables.chapters.activeVersionId))
    .where(eq(tables.chapters.projectId, projectId))
    .orderBy(asc(tables.chapters.index))
    .all()
    .map(c => ({ ...c, hasBrief: Boolean(c.hasBrief?.trim()), wordCount: c.wordCount ?? 0 }))
})