import prisma from '@/lib/prisma'

/**
 * Upsert a note embedding into the NoteEmbedding table.
 * Uses a single SQL UPSERT to avoid race conditions.
 * The SQL template is fully static — no user data is interpolated into the query string.
 */
export async function upsertNoteEmbedding(noteId: string, embedding: number[]): Promise<void> {
  const vecStr = `[${embedding.join(',')}]`
  await prisma.$executeRawUnsafe(
    `INSERT INTO "NoteEmbedding" ("id", "noteId", "embedding", "createdAt")
     VALUES (gen_random_uuid(), $1, $2::vector, now())
     ON CONFLICT ("noteId")
     DO UPDATE SET "embedding" = EXCLUDED."embedding"`,
    noteId,
    vecStr
  )
}