import { z } from "zod";
import { withErrors, ok, parseJson } from "@/lib/api";
import { requireUser } from "@/lib/auth";
import { importAll } from "@/lib/store";

const ImportSchema = z.object({
  version: z.literal(1),
  app: z.string(),
  exportedAt: z.string().optional(),
  userId: z.string().optional(),
  data: z.object({
    sources: z.array(z.unknown()).optional(),
    todos: z.array(z.unknown()).optional(),
    settings: z.record(z.string(), z.unknown()).optional(),
    editions: z.array(z.unknown()).optional(),
  }),
});

// POST /api/import — restore from an export. Replaces sources + todos, merges settings.
export const POST = withErrors(async (req) => {
  await requireUser(req);
  const body = await parseJson(req, ImportSchema);
  importAll(body.data);
  return ok({ ok: true });
});