import { FileListElement, default as DapDSFileInputListItem } from './file-input-list-item.component';
import { GenericFormElement } from '../../internal/mixin/genericFormElement';
import { default as DapDSFileInputList } from './file-input-list.component';
/**
 * `dap-ds-file-input`
 * @summary A file input is a control that allows users to select files to upload.
 * @element dap-ds-file-input
 * @title - File input
 *
 * @property {string} name - The name of the file input.
 * @property {string} value - The value of the file input.
 * @property {'success' | 'error'} status - The status of the file input.
 * @property {string} label - The label for the file input.
 * @property {string} description - The description for the file input.
 * @property {string} tooltip - The tooltip for the file input.
 * @property {'top' | 'right' | 'bottom' | 'left'} tooltipPlacement - The tooltip placement of the input.
 * @property {boolean} disabled - Whether the file input is disabled.
 * @property { 'xs' | 'sm' | 'lg' } size - The size of the file input.
 * @property {string} feedback - The feedback for the file input.
 * @property {'negative' | 'positive' | 'warning'} feedbackType - The type of feedback for the file input.
 * @property {boolean} required - Whether the file input is required.
 * @property {boolean} optional - Whether the file input is optional.
 * @property {boolean} subtle - Font weight of the feedback label. Default is `false` which is bold.
 * @property {string} uploadButtonLabel - The label for the upload button.
 * @property {string} browseButtonLabel - The label for the browse button.
 * @property {string} accept - The file types that the file input accepts.
 * @property {boolean} multiple - Whether the file input accepts multiple files.
 * @property {boolean} keepValue - Whether to keep the value when new files are selected.
 * @property {string} uploadUrl - A remote URL to upload files to.
 * @property {string} deleteUrl - A remote URL to delete uploaded files from. Supports placeholders: `{fileName}`, `{id}`, `{key}`, `{location}`.
 * @property {string} uploadHeaders - Custom headers for upload requests (JSON string).
 * @property {string} deleteHeaders - Custom headers for delete requests (JSON string).
 * @property {boolean} autoupload - Whether to automatically upload files after selection.
 * @property {number} maxFiles - The maximum number of files that can be uploaded.
 * @property {number} maxFileSize - The maximum size of files that can be uploaded (in bytes).
 * @property {number} maxSizePerFile - The maximum size a single file can have (in bytes).
 * @property {string} maxFileSizeErrorText - Text for the max file size error.
 * @property {string} maxSizePerFileErrorText - Text for the max size per file error.
 * @property {string} maxFileAmountErrorText - Text for the max file amount error.
 * @property {string} fileTypeErrorText - Text for the file type error.
 * @property {boolean} showDropzone - Whether to show a separate dropzone area.
 * @property {string} dropzoneText - Text to display in the dropzone.
 * @property {string} dropzoneAriaLabel - Aria label for the dropzone.
 * @property {boolean} dropzoneFocusable - Whether the dropzone is in the tab order and exposes button keyboard behavior (default: true).
 * @property {boolean} showFileList - Whether to show the built-in file list.
 * @property {boolean} confirmRemove - Whether to show confirmation dialog before removing files.
 * @property {string} showUploadButton - Whether to show the upload button. Default is `true`.
 * @property {string} removeButtonLabel - The label for the remove button.
 * @property {string} cancelButtonLabel - The label for the cancel button.
 *
 * @event {{ file: File }} dds-upload-start - Fired when a file upload starts.
 * @event {{ file: File, progress: number }} dds-upload-progress - Fired during file upload progress.
 * @event {{ file: File, item: DapDSFileInputListItem, result: any }} dds-upload-complete - Fired when a file upload completes successfully.
 * @event {{ file?: File, errors: FileError[], item?: DapDSFileInputListItem }} dds-upload-error - Fired when a file upload encounters an error. Always contains an errors array, even if there is only one error.
 * @event {{ void }} dds-all-uploads-complete - Fired when all file uploads are complete.
 * @event {{ file: FileListElement }} dds-file-removed - Fired when a file is removed from the file input.
 * @event {{ file: FileListElement, error: Error }} dds-file-delete-error - Fired when a file deletion from server encounters an error.
 * @event {{ newFiles: File[], files: File[], canceledFiles: Set<File>, currentFiles: File[] }} dds-file-change - Fired when the file input value changes. This event is cancelable. Event detail contains: `newFiles` (just the files being added in this operation), `currentFiles` (all files that were already selected before this operation), `files` (all files after merge with existing when keepValue=true), and `canceledFiles` (Set to add files you want to reject). You can either: (1) Call `event.preventDefault()` to reject all files, or (2) Add specific files to `canceledFiles` to reject only those files.
 * @event {{ files: File[] }} dds-files-accepted - Fired when the file input value changes. This event is cancelable. Event detail contains: `files` (all files after merge with existing when keepValue=true).
 *
 * @slot dropzone-content - The content to display in the dropzone.
 *
 * @csspart base - The main file input container.
 * @csspart input - The file input control.
 * @csspart label - The file input label.
 * @csspart description - The file input description.
 * @csspart feedback - The file input feedback.
 * @csspart tooltip - The file input tooltip.
 * @csspart upload-progress - The upload progress container.
 * @csspart browse-button - The browse button.
 * @csspart upload-button - The upload button.
 * @csspart dropzone - The dropzone area.
 *
 * @cssproperty --dds-file-input-holder-margin - The margin of the input holder in shorthand format: top right bottom left (default: var(--dds-spacing-400) 0 0 0)
 * @cssproperty --dds-file-input-dropzone-padding - The padding of the dropzone (default: var(--dds-spacing-800))
 * @cssproperty --dds-file-input-dropzone-border - The border of the dropzone in shorthand format: width style color (default: var(--dds-border-width-base) dashed var(--dds-border-neutral-subtle))
 * @cssproperty --dds-file-input-dropzone-border-radius - The border radius of the dropzone (default: var(--dds-radius-base))
 * @cssproperty --dds-file-input-dropzone-background - The background of the dropzone (default: var(--dds-color-background-primary))
 * @cssproperty --dds-file-input-dropzone-border-hover - The border of the dropzone on hover in shorthand format: width style color (default: var(--dds-border-width-base) dashed var(--dds-color-border-primary-hover))
 * @cssproperty --dds-file-input-dropzone-background-hover - The background of the dropzone on hover (default: var(--dds-color-background-primary-hover))
 * @cssproperty --dds-file-input-dropzone-border-dragover - The border of the dropzone when dragging over in shorthand format: width style color (default: var(--dds-border-width-base) dashed var(--dds-color-border-accent))
 * @cssproperty --dds-file-input-dropzone-background-dragover - The background of the dropzone when dragging over (default: var(--dds-color-background-accent-light))
 * @cssproperty --dds-file-input-dropzone-border-disabled - The border of the disabled dropzone in shorthand format: width style color (default: var(--dds-border-width-base) dashed var(--dds-border-neutral-disabled))
 * @cssproperty --dds-file-input-dropzone-gap - The gap between elements in the dropzone content (default: var(--dds-spacing-300))
 * @cssproperty --dds-file-input-dropzone-accept-color - The text color of the accepted file types in the dropzone (default: var(--dds-color-text-secondary))
 */
export default class DapDSFileInput extends GenericFormElement {
    private readonly input;
    /** Label for the upload button */
    uploadButtonLabel: string;
    /** Label for the browse button */
    browseButtonLabel: string;
    /** Whether to show a separate dropzone area */
    showDropzone: boolean;
    /** Text to display in the dropzone */
    dropzoneText: string;
    /** Whether to show the built-in file list */
    showFileList: boolean;
    /** Whether to show confirmation dialog before removing files */
    confirmRemove: boolean;
    /** Whether to show the upload button */
    showUploadButton: string;
    /** Whether to show the browse button */
    showBrowseButton: string;
    /** The file types that the file input accepts */
    accept: string;
    /** Whether the file input accepts multiple files. */
    multiple: boolean;
    /** Whether to keep the value of the file input when new files are selected. */
    keepValue: boolean;
    /** A remote URL to upload files to */
    uploadUrl: string;
    /** Whether to automatically upload files after selection */
    autoupload: boolean;
    /** The property to use when uploading files */
    uploadProperty: string;
    /** The HTTP method to use when uploading files */
    uploadMethod: string;
    /** A remote URL to delete uploaded files from */
    deleteUrl: string;
    /** The HTTP method to use when deleting files */
    deleteMethod: string;
    /** Whether to send credentials with the file upload request */
    withCredentials: boolean;
    /** Custom headers to send with upload requests (JSON string) */
    uploadHeaders: string;
    /** Custom headers to send with delete requests (JSON string) */
    deleteHeaders: string;
    /** The file list component to bind to */
    fileList: DapDSFileInputList | null;
    /** The maximum number of files that can be uploaded */
    maxFiles?: number;
    /** The maximum size of files that can be uploaded (in bytes) sum of all files */
    maxFileSize?: number;
    /** The maximum size a single file can have (in bytes) */
    maxSizePerFile?: number;
    /** Text for the max file size error */
    maxFileSizeErrorText?: string;
    /** Text for the max size per file error */
    maxSizePerFileErrorText?: string;
    /** Text for the max file amount error */
    maxFileAmountErrorText?: string;
    /** Text for the file type error */
    fileTypeErrorText?: string;
    /** The label for the remove button */
    removeButtonLabel: string;
    /** The label for the cancel button */
    cancelButtonLabel: string;
    /** Whether the remove button is dangerous */
    removeButtonDanger: string;
    /** Whether to show thumbnail preview for supported file types in the built-in file list */
    showThumbnail: string;
    /** Aria label for the dropzone */
    dropzoneAriaLabel: string;
    /**
     * When false, the dropzone is not tab-focusable (tabindex -1), uses role="group"
     * instead of role="button", and Enter/Space no longer opens the file dialog from
     * the dropzone. Click and drag-and-drop still work.
     */
    dropzoneFocusable: string;
    /** Size of the thumbnail preview in the built-in file list */
    thumbnailSize: 'xxs' | 'xs' | 'sm' | 'md' | 'lg';
    get files(): File[];
    private _files;
    private _uploadProgress;
    private readonly _uploadingFiles;
    private readonly _activeUploads;
    private readonly _uploadedFiles;
    private _isDragOver;
    private _showRemoveDialog;
    private _fileToRemove;
    private _removeResolve;
    private _removeReject;
    static readonly styles: import('lit').CSSResult;
    checkFileEquality(file1: File | FileListElement, file2: File | FileListElement): boolean;
    /**
     * Validates if a file type is accepted based on the accept attribute
     */
    private validateFileType;
    get focusElement(): HTMLInputElement;
    /**
     * Validates a file list against all constraints (count, size, type)
     */
    private validateFiles;
    removeFile(fileData: FileListElement | File): Promise<void> | void;
    private performFileRemoval;
    private languageChangeHandler;
    connectedCallback(): void;
    disconnectedCallback(): void;
    onConfirmDelete(): Promise<void>;
    onCancelDelete(): void;
    onCancel(): void;
    onClick(): void;
    onDropzoneKeydown(event: KeyboardEvent): void;
    setFileLoadingState(file: File, loading: boolean): DapDSFileInputListItem | undefined;
    /**
     * Aborts upload for a specific file
     */
    abortUpload(fileName: string): void;
    /**
     * Aborts all active uploads
     */
    abortAllUploads(): void;
    /**
     * Manually start upload of all selected files
     */
    startUpload(): void;
    /**
     * Delete an uploaded file from the server
     */
    private deleteUploadedFile;
    private uploadFiles;
    /**
     * Calculates what the new file list would be if the given files were added
     * Does not modify component state
     */
    private calculateNewFileList;
    private handleFileList;
    onChange(event: InputEvent): void;
    onDragenter(event: DragEvent): void;
    onDragover(event: DragEvent): void;
    onDragleave(event: DragEvent): void;
    onDrop(event: DragEvent): void;
    render(): import('lit-html').TemplateResult<1>;
}