import { updatePost } from "#server/service/posts";
import { visibilitySchema } from "#server/constants/visibility";
import { isUniqueConstraintViolation } from "#server/utils/db-unique-constraint";

export default defineWrappedResponseHandler(async (event) => {
  const user = await event.context.auth.requireUser();
  const id = Number(event.context.params?.id);
  if (!Number.isInteger(id)) {
    throw createError({ statusCode: 400, statusMessage: "无效 id" });
  }
  const body = await readBody<{
    title?: string;
    slug?: string;
    bodyMarkdown?: string;
    excerpt?: string;
    coverUrl?: string | null;
    tagsJson?: string;
    publishedAt?: string | null;
    visibility?: string;
  }>(event);

  try {
    const post = await updatePost(user.id, id, {
      ...body,
      publishedAt:
        body.publishedAt !== undefined
          ? body.publishedAt
            ? new Date(body.publishedAt)
            : null
          : undefined,
      visibility: body.visibility !== undefined ? visibilitySchema.parse(body.visibility) : undefined,
    });
    if (!post) {
      throw createError({ statusCode: 404, statusMessage: "未找到" });
    }
    return R.success({ post });
  } catch (e) {
    if (isUniqueConstraintViolation(e)) {
      throw createError({ statusCode: 409, statusMessage: "slug 已存在" });
    }
    throw e;
  }
});