import { ExifData } from 'exif';
import { File } from 'formidable';

export namespace AcceptableMedia {
    export const gifs = ['.gif'];
    export const pngs = ['.png'];
    export const jpgs = ['.jpg', '.jpeg'];
    export const webps = ['.webp'];
    export const tiffs = ['.tiff'];
    export const imageFormats = [...pngs, ...jpgs, ...gifs, ...webps, ...tiffs];
    export const videoFormats = ['.mov', '.mp4', '.quicktime', '.mkv', '.x-matroska;codecs=avc1'];
    export const applicationFormats = ['.pdf'];
    export const audioFormats = ['.wav', '.mp3', '.mpeg', '.flac', '.au', '.aiff', '.m4a', '.webm'];
}

export enum AudioAnnoState {
    stopped = 'stopped',
    playing = 'playing',
}

export namespace Upload {
    export function isTextInformation(uploadResponse: Upload.FileInformation): uploadResponse is Upload.ImageInformation {
        return 'rawText' in uploadResponse;
    }
    export function isImageInformation(uploadResponse: Upload.FileInformation): uploadResponse is Upload.ImageInformation {
        return 'nativeWidth' in uploadResponse;
    }

    export function isVideoInformation(uploadResponse: Upload.FileInformation): uploadResponse is Upload.VideoInformation {
        return 'duration' in uploadResponse;
    }

    export interface AccessPathInfo {
        [suffix: string]: { client: string; server: string };
    }
    export interface FileInformation {
        accessPaths: AccessPathInfo;
        rawText?: string;
        duration?: number;
    }
    export interface EnrichedExifData {
        data: ExifData & ExifData['gps'] & { Orientation?: string };
        error?: string;
    }
    export interface InspectionResults {
        source: string;
        requestable: string;
        exifData: EnrichedExifData;
        contentSize: number;
        contentType: string;
        nativeWidth: number;
        nativeHeight: number;
        filename?: string;
    }
    export interface VideoResults {
        duration: number;
    }

    export type FileResponse<T extends FileInformation = FileInformation> = { source: File; result: T | Error };

    export type ImageInformation = FileInformation & InspectionResults;

    export type VideoInformation = FileInformation & VideoResults;
}