/**
 * BoostMedia AI Content Generator Admin - useStructures Hook
 *
 * @package BoostMedia_AI
 * @license GPL-2.0-or-later
 */

import { useState, useEffect, useCallback } from 'react'
import type { PostStructure, ApiError } from '../types'
import { endpoints, getErrorMessage } from '../api/client'

interface UseStructuresReturn {
  structures: PostStructure[]
  loading: boolean
  error: ApiError | null
  refetch: () => Promise<void>
}

export function useStructures(): UseStructuresReturn {
  const [structures, setStructures] = useState<PostStructure[]>([])
  const [loading, setLoading] = useState(true)
  const [error, setError] = useState<ApiError | null>(null)

  const fetchStructures = useCallback(async () => {
    setLoading(true)
    setError(null)

    try {
      const response = await endpoints.getStructures()
      const data = response.data
      setStructures(Array.isArray(data) ? data as PostStructure[] : [])
    } catch (err) {
      setStructures([])
      setError({ message: getErrorMessage(err, 'Failed to load structures') } as ApiError)
    } finally {
      setLoading(false)
    }
  }, [])

  useEffect(() => {
    fetchStructures()
  }, [fetchStructures])

  return { structures, loading, error, refetch: fetchStructures }
}