import { FileItemProps, FileUploadProps } from "@lifesg/react-design-system/file-upload";
import { AxiosRequestConfig } from "axios";
import { IYupValidationRule } from "../../../context-providers";
import { TFieldEventListener } from "../../../utils";
import { TErrorMessage } from "../../frontend-engine";
import { IBaseFieldSchema } from "../types";
export type TUploadType = "base64" | "multipart";
export interface IFileUploadValidationRule extends IYupValidationRule {
    /** for customising upload error message */
    upload?: boolean | undefined;
    /** accepted file types */
    fileType?: string[] | undefined;
    /** max acceptable file size in kb */
    maxSizeInKb?: number | undefined;
    /** To be used with file types. When TRUE, checks that uploaded file extensions are within accepted file types  */
    fileExtension?: string[] | undefined;
}
export interface IFileUploadSchema<V = undefined> extends IBaseFieldSchema<"file-upload", V, IFileUploadValidationRule>, Pick<FileUploadProps, "capture" | "data-testid" | "disabled" | "readOnly" | "styleType"> {
    className?: string | undefined;
    description?: string | undefined;
    label: string;
    hideThumbnail?: boolean | undefined;
    uploadOnAddingFile: {
        type: TUploadType;
        url: string;
        headers?: AxiosRequestConfig["headers"] | undefined;
        sessionId?: string | undefined;
    };
    warning?: string | undefined;
    compressImages?: boolean | undefined;
}
export declare enum EFileStatus {
    INJECTED = -99,
    INJECTING = -98,
    TO_DELETE = -4,
    ERROR_FORMAT = -3,
    ERROR_GENERIC = -2,
    ERROR_SIZE = -1,
    NONE = 0,
    UPLOAD_READY = 4,
    UPLOADING = 5,
    UPLOADED = 6
}
export interface IFile {
    addedFrom: "input" | "schema";
    dataURL?: string | undefined;
    fileItem?: FileItemProps | undefined;
    fileUrl?: string | undefined;
    rawFile: File;
    slot: number;
    status: EFileStatus;
    uploadResponse?: unknown | undefined;
}
export interface IFileUploadValue {
    dataURL?: string | undefined;
    fileId: string;
    fileName: string;
    fileUrl?: string | undefined;
    uploadResponse?: unknown | undefined;
}
type Implements<T, U extends T> = U;
export type TFileUploadErrorObject = {
    message?: string | undefined;
    fileErrors?: {
        [fileId: string]: string;
    } | undefined;
};
export type TFileUploadErrorMessage = Implements<TErrorMessage, string | TFileUploadErrorObject>;
export type TUploadErrorDetail = {
    fileId: string;
    errorData: unknown;
};
/** fired when field is mounted */
declare function fileUploadEvent(uiType: "file-upload", type: "mount", id: string, listener: TFieldEventListener, options?: boolean | AddEventListenerOptions | undefined): void;
/** fired when file upload throws error */
declare function fileUploadEvent(uiType: "file-upload", type: "upload-error", id: string, listener: TFieldEventListener<TUploadErrorDetail>, options?: boolean | AddEventListenerOptions | undefined): void;
export type TFileUploadEvents = typeof fileUploadEvent;
export {};