import { NextResponse } from "next/server";
import { auth } from "@/app/(auth)/auth";
import {
  createFlowBoardDraft,
  listFlowBoardDraftsByUserId,
} from "@/lib/db/queries";
import {
  mapFlowBoardDraft,
  mapFlowBoardDraftSummary,
  normalizeFlowBoardSnapshot,
  normalizeFlowBoardTitle,
} from "../_utils";

export const runtime = "nodejs";
export const dynamic = "force-dynamic";
export const revalidate = 0;

export async function GET() {
  const session = await auth();
  if (!session?.user?.id) {
    return NextResponse.json(
      { success: false, error: "未登录" },
      { status: 401 }
    );
  }

  const drafts = await listFlowBoardDraftsByUserId({
    userId: session.user.id,
  });

  return NextResponse.json({
    success: true,
    data: drafts.map(mapFlowBoardDraftSummary),
  });
}

export async function POST(request: Request) {
  const session = await auth();
  if (!session?.user?.id) {
    return NextResponse.json(
      { success: false, error: "未登录" },
      { status: 401 }
    );
  }

  const body = (await request.json().catch(() => ({}))) as {
    title?: unknown;
    snapshot?: unknown;
  };
  const draft = await createFlowBoardDraft({
    userId: session.user.id,
    title: normalizeFlowBoardTitle(body.title),
    snapshot: normalizeFlowBoardSnapshot(body.snapshot),
  });

  if (!draft) {
    return NextResponse.json(
      { success: false, error: "创建流程白板失败" },
      { status: 500 }
    );
  }

  return NextResponse.json({
    success: true,
    data: mapFlowBoardDraft(draft),
  });
}