import { z } from 'zod'
import { normalizeMarkdownContent } from '../../lib/markdown-content-normalizer.js'
import { postStatusSchema } from './content-schema.js'

export const adminPostInputSchema = z.object({
  title: z.string().trim().min(1),
  slug: z.string().trim().min(1).regex(/^[a-z0-9가-힣]+(?:-[a-z0-9가-힣]+)*$/),
  content: z.preprocess(normalizeMarkdownContent, z.string()).default(''),
  excerpt: z.string().default(''),
  featuredImage: z.string().trim().nullable().default(null),
  seoTitle: z.string().trim().default(''),
  seoDescription: z.string().trim().default(''),
  canonicalUrl: z.string().trim().url().or(z.literal('')).default(''),
  noindex: z.boolean().default(false),
  ogImage: z.string().trim().nullable().default(null),
  status: postStatusSchema.default('draft'),
  publishedAt: z.string().datetime().nullable().default(null),
  tags: z.array(z.string().trim().min(1)).default([])
})

/**
 * 관리자 게시물 입력값 정리
 * @param {unknown} body - 요청 본문
 * @returns {import('zod').SafeParseReturnType<unknown, Object>} 검증 결과
 */
export const parseAdminPostInput = (body) => adminPostInputSchema.safeParse(body)