import * as MediaLibrary from 'expo-media-library';

export type ExtendedAsset = MediaLibrary.Asset & {
  size?: number;
  exif?: Record<string, any> | null;
};

// 上传任务类型
export type UploadTask = {
  file: File;
  metadata: {
    isCompressed: string;
    type: string;
    isThumbnail?: string;
    [key: string]: any;
  };
};

// 文件元数据信息
interface FileSize {
  value: number;
  unit: string;
}

interface FileMetadata {
  originalName: string;
  type: string;
  isCompressed: string;
  fileType: string;
}

// 后端返回的文件信息
interface FileInfo {
  file_id: number;
  name: string;
  size: FileSize;
  content_type: string; // 这里与 ConfirmUpload 的 content_type 定义不同，需要注意
  upload_time: string;
  storage_medium: string;
  file_path: string; // 这里与 ConfirmUpload 的 file_path 定义不同
  uploader_id: number;
  upload_status: string;
  deletion_status: string;
  metadata: FileMetadata;
}

// 上传队列项 - 作为唯一的类型定义
// 定义 EXIF 数据类型
export type ExifData = {
  GPSLatitude?: number | undefined;
  GPSLongitude?: number | undefined;
  GPSAltitude?: number | undefined;
  DateTimeOriginal?: string | undefined;
  Make?: string | undefined;
  Model?: string | undefined;
  ExposureTime?: number | undefined;
  FNumber?: number | undefined;
  ISOSpeedRatings?: number | undefined;
  FocalLength?: number | undefined;
  [key: string]: any;
};

// 默认的 EXIF 数据结构
export const defaultExifData: ExifData = {
  GPSLatitude: undefined,
  GPSLongitude: undefined,
  GPSAltitude: undefined,
  DateTimeOriginal: undefined,
  Make: undefined,
  Model: undefined,
  ExposureTime: undefined,
  FNumber: undefined,
  ISOSpeedRatings: undefined,
  FocalLength: undefined,
};

// 压缩图片可配置参数
export interface ImagesuploaderProps {
  children?: React.ReactNode;
  style?: import('react-native').StyleProp<import('react-native').ViewStyle>;
  onPickImage?: (file: File, exifData: ExifData) => void;
  compressQuality?: number;
  maxWidth?: number;
  maxHeight?: number;
  preserveExif?: boolean;
  uploadOriginal?: boolean;
  onUploadComplete?: (result: FileUploadItem[]) => void;
  onProgress?: (progress: any) => void; // TODO: Define a proper type for progress
  multipleChoice?: boolean;
  fileType?: any[]; // TODO: Use MediaType from expo-image-picker
  showPreview?: boolean;
}

export interface FileUploadItem {
  id: string;
  uri: string; // 用于本地展示的资源URI
  name: string;
  progress: number;
  status: 'pending' | 'uploading' | 'success' | 'error'; // 统一状态
  error?: string | null;
  previewUrl: string; // 预览URL
  preview: string; // 预览URL
  file?: File;
  type: 'image' | 'video';
  thumbnail?: string;  // 缩略图URL
  thumbnailFile?: File; // 缩略图文件对象
  originalFile?: FileInfo // 上传后返回的文件信息
}

// 确认上传返回
export type ConfirmUpload = {
  file_id: string;
  upload_url: string;
  name: string;
  size: number;
  content_type: string;
  file_path: string;
};

// 上传结果
export type UploadResult = {
  originalUrl?: string;
  compressedUrl: string;
  file: File | null;
  exif: any;
  originalFile: ConfirmUpload;
  compressedFile: ConfirmUpload;
  thumbnail: string;
  thumbnailFile: File;
};

// 上传URL响应类型
export type UploadUrlResponse = {
  upload_url: string;
  file_id: string;
};