import { asc, like, or, sql } from 'drizzle-orm'
import { useDB, schema } from '../../utils/db.js'
import { requireAdmin } from '../../utils/auth.js'
import { parsePagination } from '../../utils/pagination.js'

export default defineEventHandler(async (event) => {
  requireAdmin(event)

  const db = useDB()
  const { page, limit, offset, search } = parsePagination(event)

  let whereClause = sql`1=1`
  if (search) {
    whereClause = or(
      like(schema.faqs.question, `%${search}%`),
      like(schema.faqs.answer, `%${search}%`)
    )
  }

  const [{ count: total }] = db
    .select({ count: sql`count(*)` })
    .from(schema.faqs)
    .where(whereClause)
    .all()

  const items = db
    .select()
    .from(schema.faqs)
    .where(whereClause)
    .orderBy(asc(schema.faqs.sortOrder))
    .limit(limit)
    .offset(offset)
    .all()

  return { items, total, page, limit, totalPages: Math.ceil(total / limit) }
})