import { getAdjacentPosts, getPostBySlug } from '../../repositories/content-repository'
import { canAccessMembershipContent } from '../../repositories/member-repository'
import { getMemberSession } from '../../utils/member-auth'

/**
 * 공개 게시물 상세 API
 * @param {import('h3').H3Event} event - 요청 이벤트
 * @returns {Object} 게시물 상세(이전·다음 글 포함)
 */
export default defineEventHandler(async (event) => {
  const slug = getRouterParam(event, 'slug')
  const session = getMemberSession(event)
  const includeMembership = await canAccessMembershipContent(session?.userId)
  const [post, adjacent] = await Promise.all([
    getPostBySlug(slug, { includeMembership }),
    getAdjacentPosts(slug, { includeMembership })
  ])

  if (!post) {
    throw createError({
      statusCode: 404,
      statusMessage: '게시물을 찾을 수 없습니다'
    })
  }

  return {
    ...post,
    previous: adjacent.previous,
    next: adjacent.next
  }
})