/**

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

 * @flow

 */

import type {Fiber} from 'react-reconciler/src/ReactInternalTypes';

import type {Props} from '../client/ReactFiberConfigDOM';

import {getFiberCurrentPropsFromNode} from '../client/ReactDOMComponentTree';

function isInteractive(tag: string): boolean {

  return (

    tag === 'button' ||

    tag === 'input' ||

    tag === 'select' ||

    tag === 'textarea'

  );

}

function shouldPreventMouseEvent(

  name: string,

  type: string,

  props: Props,

): boolean {

  switch (name) {

    case 'onClick':

    case 'onClickCapture':

    case 'onDoubleClick':

    case 'onDoubleClickCapture':

    case 'onMouseDown':

    case 'onMouseDownCapture':

    case 'onMouseMove':

    case 'onMouseMoveCapture':

    case 'onMouseUp':

    case 'onMouseUpCapture':

    case 'onMouseEnter':

      return !!(props.disabled && isInteractive(type));

    default:

      return false;

  }

}

/**

 * @param {object} inst The instance, which is the source of events.

 * @param {string} registrationName Name of listener (e.g. `onClick`).

 * @return {?function} The stored callback.

 */

export default function getListener(

  inst: Fiber,

  registrationName: string,

): Function | null {

  const stateNode = inst.stateNode;

  if (stateNode === null) {

    // Work in progress (ex: onload events in incremental mode).

    return null;

  }

  const props = getFiberCurrentPropsFromNode(stateNode);

  if (props === null) {

    // Work in progress.

    return null;

  }

  const listener = props[registrationName];

  if (shouldPreventMouseEvent(registrationName, inst.type, props)) {

    return null;

  }

  if (listener && typeof listener !== 'function') {

    throw new Error(

      `Expected \`${registrationName}\` listener to be a function, instead got a value of \`${typeof listener}\` type.`,

    );

  }

  return listener;

}