import type { Node } from 'web-tree-sitter';
import type { NamedTypeNode } from './named_type.js';
const TYPE = 'union_member_types' as const;



// ================================================================
// ================================================================
//
//                           UnionMemberTypesNode
//
//        GraphQL union member types node
//
// ================================================================
// ================================================================


/**
 * Represents a union member types in the GraphQL AST.
 * 
 * Children:
 *   {@link NamedTypeNode}, {@link UnionMemberTypesNode}
 * 
 */
export interface UnionMemberTypesNode extends Node {
  type: typeof TYPE;
}


// ================================================================
// ================================================================
//
//                           Type Guard
//
// ================================================================
// ================================================================


/**
 * Type guard to check if a node is a {@link UnionMemberTypesNode}.
 * 
 * @param node - The node to check
 * @returns True if the node is a {@link UnionMemberTypesNode}
 * 
 * @example
 * ```typescript
 * if (isUnionMemberTypesNode(node)) {
 *   // TypeScript now knows node is UnionMemberTypesNode
 *   console.log(node.type); // 'union_member_types'
 * }
 * ```
 */
export function isUnionMemberTypesNode(node: unknown): node is UnionMemberTypesNode {
  return (node as any)?.type === TYPE;
}


// ================================================================
// ================================================================
//
//                           Constructor
//
// ================================================================
// ================================================================


/**
 * Creates a new {@link UnionMemberTypesNode} with the specified properties.
 * 
 * @param props - The node properties
 * @param props.namedtype - {@link NamedTypeNode}
 * @param props.unionmembertypes - {@link UnionMemberTypesNode}
 * @returns A new {@link UnionMemberTypesNode}
 * 
 * @example
 * ```typescript
 * const node = UnionMemberTypesNode({
 *   // properties...
 * });
 * ```
 */
export function UnionMemberTypesNode(props: Omit<UnionMemberTypesNode, 'type'>): UnionMemberTypesNode {
  return {
    type: TYPE,
    ...props
  };
}