import React from "react";
import {
  XmFileInput as XmFileInputElement,
  CustomEvent,
} from "../lit/components/file-input/index.js";

/**
 * A generic type for strongly typing custom events with their targets
 * @template T - The type of the event target (extends EventTarget)
 * @template D - The type of the detail payload for the custom event
 */
type TypedEvent<T extends EventTarget, E = Event> = E & {
  target: T;
};
/** `XmFileInput` component event */
export type XmFileInputElementEvent<E = Event> = TypedEvent<
  XmFileInputElement,
  E
>;

export type { XmFileInputElement, CustomEvent };

export interface XmFileInputProps extends Pick<
  React.AllHTMLAttributes<HTMLElement>,
  | "children"
  | "dir"
  | "hidden"
  | "id"
  | "lang"
  | "slot"
  | "style"
  | "title"
  | "translate"
  | "onClick"
  | "onFocus"
  | "onBlur"
> {
  /** Allow selecting more than one file. */
  multiple?: boolean;

  /** undefined */
  required?: boolean;

  /** undefined */
  disabled?: boolean;

  /** undefined */
  readOnly?: boolean;

  /** undefined */
  loading?: boolean;

  /** INITIAL checked for toggle subclasses; mapped from attribute `checked`. */
  initialChecked?: boolean;

  /** Native accept filter (e.g. ".yml,.json,image/*"). */
  accept?: XmFileInputElement["accept"];

  /** undefined */
  label?: XmFileInputElement["label"];

  /** undefined */
  helper?: XmFileInputElement["helper"];

  /** Severity copy. Non-empty ⇒ the field is in error (icon + copy, never color). */
  error?: XmFileInputElement["error"];

  /** undefined */
  size?: XmFileInputElement["size"];

  /** Form-control name — mirrors native <input name>. */
  name?: XmFileInputElement["name"];

  /** INITIAL value (uncontrolled-first, AD-6): the `value` attribute seeds the
live state once, then never overrides user input. Mapped from attribute
`value` so authors write `<xm-text-field value="…">`. */
  initialValue?: XmFileInputElement["initialValue"];

  /** A space-separated list of the classes of the element. Classes allows CSS and JavaScript to select and access specific elements via the class selectors or functions like the method `Document.getElementsByClassName()`. */
  className?: string;

  /** Contains a space-separated list of the part names of the element that should be exposed on the host element. */
  exportparts?: string;

  /** Used for labels to link them with their inputs (using input id). */
  htmlFor?: string;

  /** Used to help React identify which items have changed, are added, or are removed within a list. */
  key?: number | string;

  /** Contains a space-separated list of the part names of the element. Part names allows CSS to select and style specific elements in a shadow tree via the ::part pseudo-element. */
  part?: string;

  /** A mutable ref object whose `.current` property is initialized to the passed argument (`initialValue`). The returned object will persist for the full lifetime of the component. */
  ref?: React.Ref<XmFileInputElement>;

  /** Allows developers to make HTML elements focusable, allow or prevent them from being sequentially focusable (usually with the `Tab` key, hence the name) and determine their relative ordering for sequential focus navigation. */
  tabIndex?: number;

  /** Public read contract (AD-6a) — the selected files. */
  files?: XmFileInputElement["files"];

  /** Fired on commit with the new value in `detail`. */
  onChange?: (event: XmFileInputElementEvent) => void;

  /** Fired on each edit with the current value in `detail` (inherited by every field). */
  onInput?: (event: XmFileInputElementEvent) => void;
}

/**
 *
 *
 * ## Attributes & Properties
 *
 * Component attributes and properties that can be applied to the element or by using JavaScript.
 *
 * - `accept`: Native accept filter (e.g. ".yml,.json,image/*").
 * - `multiple`: Allow selecting more than one file.
 * - `label`: undefined
 * - `helper`: undefined
 * - `error`: Severity copy. Non-empty ⇒ the field is in error (icon + copy, never color).
 * - `size`: undefined
 * - `required`: undefined
 * - `disabled`: undefined
 * - `readonly`/`readOnly`: undefined
 * - `loading`: undefined
 * - `name`: Form-control name — mirrors native <input name>.
 * - `value`/`initialValue`: INITIAL value (uncontrolled-first, AD-6): the `value` attribute seeds the
 * live state once, then never overrides user input. Mapped from attribute
 * `value` so authors write `<xm-text-field value="…">`.
 * - `checked`/`initialChecked`: INITIAL checked for toggle subclasses; mapped from attribute `checked`.
 * - `files`: Public read contract (AD-6a) — the selected files. (property only) (readonly)
 * - `readonly`: undefined (property only)
 * - `value`: Programmatic reset support — setting `value` after first paint updates live state. (property only)
 * - `checked`: Public read contract for toggle subclasses (AD-6a). (property only)
 *
 * ## Events
 *
 * Events that will be emitted by the component.
 *
 * - `change`: Fired on commit with the new value in `detail`.
 * - `input`: Fired on each edit with the current value in `detail` (inherited by every field).
 *
 * ## Methods
 *
 * Methods that can be called to access component functionality.
 *
 * - `setFormDisabled(disabled: boolean) => void`: Down-propagation hook: xm-form (Story 2.10) sets this; it OR's with the
 * field's own disabled and can never re-enable a self-disabled field.
 */
export const XmFileInput: React.ForwardRefExoticComponent<XmFileInputProps>;