import { NextResponse } from "next/server";
import { createSupabaseRouteClient } from "@/lib/supabase/server";
import type { DocumentStats } from "@/types/page-options";

interface StatsPayload {
  documentId: string;
  stats: DocumentStats;
}

export async function POST(request: Request) {
  const supabase = await createSupabaseRouteClient();
  const {
    data: { session },
  } = await supabase.auth.getSession();

  if (!session) {
    return NextResponse.json({ error: "未登录" }, { status: 401 });
  }

  const { documentId, stats }: StatsPayload = await request.json();
  if (!documentId || !stats) {
    return NextResponse.json({ error: "缺少参数" }, { status: 400 });
  }

  const { error } = await supabase
    .from("documents")
    .update({
      word_count: stats.wordCount,
      character_count: stats.characterCount,
      block_count: stats.blockCount,
    })
    .eq("id", documentId)
    .eq("user_id", session.user.id);

  if (error) {
    return NextResponse.json({ error: error.message }, { status: 500 });
  }

  return NextResponse.json({ ok: true });
}