import type { Snippet } from 'svelte';
import type { MouseEventHandler } from 'svelte/elements';
import type { NeoButtonProps } from '../buttons/neo-button.model.js';
import type { NeoCardProps } from '../cards/neo-card.model.js';
import type { NeoInputProps } from './common/neo-input.model.js';
import type { SvelteEvent } from '../utils/html-element.utils.js';
export type NeoFilePickerContext<Multiple extends boolean = boolean> = {
    /**
     * If the file picker is in a dragging state.
     * @see drop
     */
    dragging?: boolean;
    /**
     * Whether the file picker should accept multiple files.
     */
    multiple?: Multiple;
    /**
     * Whether the file picker should append to the current files.
     * If false, the current files will be replaced.
     *
     * Only applies when multiple is true.
     *
     * @see multiple
     */
    append?: boolean;
    /**
     * The current files in the file picker.
     */
    files?: FileList;
};
export type NeoFilePickerValue<Multiple extends boolean = boolean> = (Multiple extends true ? FileList : Multiple extends false ? File : FileList | File) | null;
export type NeoFilePickerProps<Multiple extends boolean = boolean> = {
    /**
     * The snippet to render when the file picker is in an expanded state (overrides default).
     */
    children?: Snippet<[NeoFilePickerContext]>;
    /**
     * A snippet or a string to display as the input label.
     */
    label?: Snippet | string;
    /**
     * Custom icon for the download button.
     */
    iconDownload?: NeoButtonProps['icon'];
    /**
     * Custom icon for the upload button.
     */
    iconUpload?: NeoButtonProps['icon'];
    /**
     * If the file picker is in an expanded state.
     * @see expand
     * @see drop
     */
    expanded?: boolean;
    /**
     * Whether the file picker should accept dropped files.
     */
    drop?: boolean;
    /**
     * The text to display on the drop area placeholder.
     */
    dropText?: NeoInputProps['placeholder'];
    /**
     * The text to display on the expanded header.
     *
     * @default Number of files.
     */
    expandText?: string;
    /**
     * The maximum height of the file list in expanded state.
     *
     * @see expanded
     * @default 20rem
     */
    expandHeight?: string;
    /**
     * On input event handler.
     * Mirrors the native oninput handler with the files as the second argument.
     * @param e - The original input event.
     * @param value - FileList if multiple is true, File if multiple is false.
     */
    oninput?: <Value extends Multiple = Multiple>(e: SvelteEvent<InputEvent, HTMLInputElement>, value: NeoFilePickerValue<Value>) => unknown;
    /**
     * On change event handler.
     * Mirrors the native onchange handler with the files as the second argument.
     * @param e - The original input event.
     * @param value - FileList if multiple is true, File if multiple is false.
     */
    onchange?: <Value extends Multiple = Multiple>(e: SvelteEvent<InputEvent, HTMLInputElement>, value: NeoFilePickerValue<Value>) => unknown;
    /**
     * Button properties to pass to the picker button.
     */
    buttonProps?: NeoButtonProps;
    /**
     * Card properties to pass to the card in expanded state.
     * @see expanded
     */
    cardProps?: Omit<NeoCardProps, 'children'> & Pick<NeoFilePickerCardProps, 'editButtonProps' | 'removeButtonProps'>;
    /**
     * Input Group properties to pass to the input group container.
     */
    groupProps?: NeoInputProps['containerProps'];
} & NeoFilePickerContext<Multiple> & Omit<NeoInputProps, 'multiple' | 'oninput' | 'onchange' | 'label'>;
export type NeoFilePickerCardProps = Omit<NeoCardProps, 'children'> & {
    /**
     * Custom icon for the download button.
     */
    iconDownload?: NeoButtonProps['icon'];
    /**
     * Custom icon for the upload button.
     */
    iconUpload?: NeoButtonProps['icon'];
    /**
     * If the is currently in a dragging state.
     */
    dragging?: boolean;
    /**
     * Header text to display in the card.
     */
    detailText?: string;
    /**
     * The maximum height of the file card list in expanded state.
     *
     * @see expanded
     * @default 20rem
     */
    maxHeight?: string;
    /**
     * Overrides the default scrollbars.
     */
    scrollbar?: boolean;
    /**
     * Callback when the affix close button is clicked.
     */
    onClear?: MouseEventHandler<HTMLButtonElement>;
    /**
     * Callback when the footer edit button is clicked.
     */
    onEdit?: MouseEventHandler<HTMLDivElement>;
    /**
     * Callback when the list remove item button is clicked.
     * @param index
     * @param e
     */
    onRemove?: (index: number, e: SvelteEvent<MouseEvent>) => void;
    /**
     * Button properties to pass to the add files button.
     */
    addButtonProps?: NeoButtonProps;
    /**
     * Button properties to pass to the edit files button.
     */
    editButtonProps?: NeoButtonProps;
    /**
     * Button properties to pass to the remove files button.
     */
    removeButtonProps?: NeoButtonProps;
} & Pick<NeoFilePickerProps, 'files' | 'valid' | 'clearable' | 'placeholder' | 'dropText' | 'loading' | 'multiple' | 'append' | 'children' | 'label' | 'labelProps' | 'labelRef' | 'required'>;