/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

import { AST_NODE_TYPES, TSESTree } from '@typescript-eslint/typescript-estree';
import { geti18nIdentifierFromString, lowerCaseFirstLetter } from './utils';

const EXEMPTED_TAG_NAMES = ['EuiCode', 'EuiBetaBadge', 'FormattedMessage'];

export function getIntentFromNode(
  value: string,
  parent: TSESTree.Node | undefined
): string | false {
  const intent = geti18nIdentifierFromString(value);

  if (
    parent &&
    'openingElement' in parent &&
    'name' in parent.openingElement &&
    'name' in parent.openingElement.name
  ) {
    const parentTagName = String(parent.openingElement.name.name);

    // Exceptions
    if (EXEMPTED_TAG_NAMES.includes(parentTagName)) {
      return false;
    }

    if (parentTagName.includes('Eui')) {
      return `${intent}${parentTagName.replace('Eui', '')}Label`;
    }

    return `${lowerCaseFirstLetter(parentTagName)}.${intent}Label`;
  }

  if (
    parent &&
    'parent' in parent &&
    parent.parent &&
    'name' in parent.parent &&
    typeof parent.parent.name !== 'string' &&
    'type' in parent.parent.name &&
    parent.parent.name.type === AST_NODE_TYPES.JSXIdentifier
  ) {
    const parentTagName = String(parent.parent.name.name);

    if (EXEMPTED_TAG_NAMES.includes(parentTagName)) {
      return false;
    }

    return `${lowerCaseFirstLetter(parentTagName)}.${intent}Label`;
  }

  return `${intent}Label`;
}