import { delCache } from "#server/utils/context";
import { z } from "zod";
import { validate } from "#server/utils/validation";
import { updateCard, getCardById, CardTypes } from "../../service/card";

const updateSchema = z.object({
  type: z.enum(CardTypes).optional(),
  title: z.string().min(1, "标题不能为空").max(60, "标题不能超过 60 字").optional(),
  description: z.string().max(200, "描述不能超过 200 字").nullable().optional(),
  aspectRatio: z.number().min(0).max(99).nullable().optional(),
  categoryId: z.string().nullable().optional(),
  images: z
    .array(
      z.object({
        url: z.string().min(1, "图片地址不能为空").max(500),
        sortOrder: z.number().int().optional(),
      }),
    )
    .nullable()
    .optional(),
  tagIds: z.array(z.number().int().positive()).nullable().optional(),
});

export default defineWrappedResponseHandler(async (event) => {
  const idParam = getRouterParam(event, "id");
  if (!idParam) return R.throwError(400, "缺少卡片 ID", null);
  const id = parseInt(idParam);
  if (isNaN(id)) return R.throwError(400, "卡片 ID 格式不正确", null);

  const body = await readBody(event);
  const data = validate(updateSchema, body);

  const existing = await getCardById(id);
  if (!existing) return R.throwError(404, "卡片不存在", null);

  const updated = await updateCard(id, data);
  await delCache(`card:${id}`);
  await delCache("categories:tree");

  return R.success(updated);
});