/**
 * 上传状态管理 Hook
 * 封装 UploadModal 组件的所有状态定义
 */

import { useState, useRef } from 'react'
import type { BatchFileItem, BatchUploadStatus } from '@/components/upload/upload-types'

/**
 * 上传状态接口
 */
export interface UploadState {
  // 预览图片
  previewImages: File[]
  previewUrls: string[]
  
  // 详情页展示图片
  displayImage: File | null
  displayImageUrl: string
  
  // 模特图片
  modelImages: File[]
  modelImageUrls: string[]
  
  // 素材文件
  zipFile: File | null
  
  // 表单字段
  productModel: string
  categoryName: string
  sceneName: string
  platformName: string
  productCategoryName: string
  materialType: string
  renderer: string
  
  // 新建分类输入
  showNewCategoryInput: boolean
  newCategoryName: string
  showNewSceneInput: boolean
  newSceneName: string
  
  // 上传状态
  uploading: boolean
  uploadProgress: number
  uploadSpeed: number
  isProcessing: boolean
  error: string
  retryCount: number
  
  // 批量上传
  batchFiles: BatchFileItem[]
  isBatchMode: boolean
  batchUploadStatus: BatchUploadStatus | null
  
  // 拖拽状态
  isDragging: boolean
  isDisplayImageDragging: boolean
  isPreviewDragging: boolean
  batchPreviewDragging: Record<string, boolean>
}

/**
 * 上传状态操作接口
 */
export interface UploadStateActions {
  // 预览图片操作
  setPreviewImages: React.Dispatch<React.SetStateAction<File[]>>
  setPreviewUrls: React.Dispatch<React.SetStateAction<string[]>>
  
  // 详情页展示图片操作
  setDisplayImage: React.Dispatch<React.SetStateAction<File | null>>
  setDisplayImageUrl: React.Dispatch<React.SetStateAction<string>>
  
  // 模特图片操作
  setModelImages: React.Dispatch<React.SetStateAction<File[]>>
  setModelImageUrls: React.Dispatch<React.SetStateAction<string[]>>
  
  // 素材文件操作
  setZipFile: React.Dispatch<React.SetStateAction<File | null>>
  
  // 表单字段操作
  setProductModel: React.Dispatch<React.SetStateAction<string>>
  setCategoryName: React.Dispatch<React.SetStateAction<string>>
  setSceneName: React.Dispatch<React.SetStateAction<string>>
  setPlatformName: React.Dispatch<React.SetStateAction<string>>
  setProductCategoryName: React.Dispatch<React.SetStateAction<string>>
  setMaterialType: React.Dispatch<React.SetStateAction<string>>
  setRenderer: React.Dispatch<React.SetStateAction<string>>
  
  // 新建分类输入操作
  setShowNewCategoryInput: React.Dispatch<React.SetStateAction<boolean>>
  setNewCategoryName: React.Dispatch<React.SetStateAction<string>>
  setShowNewSceneInput: React.Dispatch<React.SetStateAction<boolean>>
  setNewSceneName: React.Dispatch<React.SetStateAction<string>>
  
  // 上传状态操作
  setUploading: React.Dispatch<React.SetStateAction<boolean>>
  setUploadProgress: React.Dispatch<React.SetStateAction<number>>
  setUploadSpeed: React.Dispatch<React.SetStateAction<number>>
  setIsProcessing: React.Dispatch<React.SetStateAction<boolean>>
  setError: React.Dispatch<React.SetStateAction<string>>
  setRetryCount: React.Dispatch<React.SetStateAction<number>>
  
  // 批量上传操作
  setBatchFiles: React.Dispatch<React.SetStateAction<BatchFileItem[]>>
  setIsBatchMode: React.Dispatch<React.SetStateAction<boolean>>
  setBatchUploadStatus: React.Dispatch<React.SetStateAction<BatchUploadStatus | null>>
  
  // 拖拽状态操作
  setIsDragging: React.Dispatch<React.SetStateAction<boolean>>
  setIsDisplayImageDragging: React.Dispatch<React.SetStateAction<boolean>>
  setIsPreviewDragging: React.Dispatch<React.SetStateAction<boolean>>
  setBatchPreviewDragging: React.Dispatch<React.SetStateAction<Record<string, boolean>>>
}

/**
 * Refs 接口
 */
export interface UploadRefs {
  previewInputRef: React.RefObject<HTMLInputElement>
  zipInputRef: React.RefObject<HTMLInputElement>
  dropZoneRef: React.RefObject<HTMLDivElement>
  displayImageDropZoneRef: React.RefObject<HTMLDivElement>
  previewDropZoneRef: React.RefObject<HTMLDivElement>
  xhrRef: React.MutableRefObject<XMLHttpRequest | null>
  batchFileInputRef: React.RefObject<HTMLInputElement>
  batchUploadCancelRef: React.MutableRefObject<{ cancelled: boolean }>
  batchUploadXhrRefs: React.MutableRefObject<Map<string, XMLHttpRequest>>
  batchUploadIdsRef: React.MutableRefObject<Map<string, string>>
}

/**
 * 上传状态管理 Hook
 */
export function useUploadState() {
  // 预览图片
  const [previewImages, setPreviewImages] = useState<File[]>([])
  const [previewUrls, setPreviewUrls] = useState<string[]>([])
  
  // 详情页展示图片
  const [displayImage, setDisplayImage] = useState<File | null>(null)
  const [displayImageUrl, setDisplayImageUrl] = useState<string>('')
  
  // 模特图片
  const [modelImages, setModelImages] = useState<File[]>([])
  const [modelImageUrls, setModelImageUrls] = useState<string[]>([])
  
  // 素材文件
  const [zipFile, setZipFile] = useState<File | null>(null)
  
  // 表单字段
  const [productModel, setProductModel] = useState('')
  const [categoryName, setCategoryName] = useState('')
  const [sceneName, setSceneName] = useState('')
  const [platformName, setPlatformName] = useState('')
  const [productCategoryName, setProductCategoryName] = useState('')
  const [materialType, setMaterialType] = useState('3D场景')
  const [renderer, setRenderer] = useState('CR')
  
  // 新建分类输入
  const [showNewCategoryInput, setShowNewCategoryInput] = useState(false)
  const [newCategoryName, setNewCategoryName] = useState('')
  const [showNewSceneInput, setShowNewSceneInput] = useState(false)
  const [newSceneName, setNewSceneName] = useState('')
  
  // 上传状态
  const [uploading, setUploading] = useState(false)
  const [uploadProgress, setUploadProgress] = useState(0)
  const [uploadSpeed, setUploadSpeed] = useState(0)
  const [isProcessing, setIsProcessing] = useState(false)
  const [error, setError] = useState('')
  const [retryCount, setRetryCount] = useState(0)
  
  // 批量上传
  const [batchFiles, setBatchFiles] = useState<BatchFileItem[]>([])
  const [isBatchMode, setIsBatchMode] = useState(false)
  const [batchUploadStatus, setBatchUploadStatus] = useState<BatchUploadStatus | null>(null)
  
  // 拖拽状态
  const [isDragging, setIsDragging] = useState(false)
  const [isDisplayImageDragging, setIsDisplayImageDragging] = useState(false)
  const [isPreviewDragging, setIsPreviewDragging] = useState(false)
  const [batchPreviewDragging, setBatchPreviewDragging] = useState<Record<string, boolean>>({})
  
  // Refs
  const previewInputRef = useRef<HTMLInputElement>(null)
  const zipInputRef = useRef<HTMLInputElement>(null)
  const dropZoneRef = useRef<HTMLDivElement>(null)
  const displayImageDropZoneRef = useRef<HTMLDivElement>(null)
  const previewDropZoneRef = useRef<HTMLDivElement>(null)
  const xhrRef = useRef<XMLHttpRequest | null>(null)
  const batchFileInputRef = useRef<HTMLInputElement>(null)
  const batchUploadCancelRef = useRef<{ cancelled: boolean }>({ cancelled: false })
  const batchUploadXhrRefs = useRef<Map<string, XMLHttpRequest>>(new Map())
  const batchUploadIdsRef = useRef<Map<string, string>>(new Map())
  
  const state: UploadState = {
    previewImages,
    previewUrls,
    displayImage,
    displayImageUrl,
    modelImages,
    modelImageUrls,
    zipFile,
    productModel,
    categoryName,
    sceneName,
    platformName,
    productCategoryName,
    materialType,
    renderer,
    showNewCategoryInput,
    newCategoryName,
    showNewSceneInput,
    newSceneName,
    uploading,
    uploadProgress,
    uploadSpeed,
    isProcessing,
    error,
    retryCount,
    batchFiles,
    isBatchMode,
    batchUploadStatus,
    isDragging,
    isDisplayImageDragging,
    isPreviewDragging,
    batchPreviewDragging,
  }
  
  const actions: UploadStateActions = {
    setPreviewImages,
    setPreviewUrls,
    setDisplayImage,
    setDisplayImageUrl,
    setModelImages,
    setModelImageUrls,
    setZipFile,
    setProductModel,
    setCategoryName,
    setSceneName,
    setPlatformName,
    setProductCategoryName,
    setMaterialType,
    setRenderer,
    setShowNewCategoryInput,
    setNewCategoryName,
    setShowNewSceneInput,
    setNewSceneName,
    setUploading,
    setUploadProgress,
    setUploadSpeed,
    setIsProcessing,
    setError,
    setRetryCount,
    setBatchFiles,
    setIsBatchMode,
    setBatchUploadStatus,
    setIsDragging,
    setIsDisplayImageDragging,
    setIsPreviewDragging,
    setBatchPreviewDragging,
  }
  
  const refs: UploadRefs = {
    previewInputRef,
    zipInputRef,
    dropZoneRef,
    displayImageDropZoneRef,
    previewDropZoneRef,
    xhrRef,
    batchFileInputRef,
    batchUploadCancelRef,
    batchUploadXhrRefs,
    batchUploadIdsRef,
  }
  
  return { state, actions, refs }
}