import type { Node } from 'web-tree-sitter';
import type { DirectivesNode } from './directives.js';
import type { SelectionSetNode } from './selection_set.js';
import type { TypeConditionNode } from './type_condition.js';
const TYPE = 'inline_fragment' as const;



// ================================================================
// ================================================================
//
//                           InlineFragmentNode
//
//        GraphQL inline fragment node
//
// ================================================================
// ================================================================


/**
 * Represents a inline fragment in the GraphQL AST.
 * 
 * Children:
 *   {@link DirectivesNode}, {@link SelectionSetNode}, {@link TypeConditionNode}
 * 
 */
export interface InlineFragmentNode extends Node {
  type: typeof TYPE;
}


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


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


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


/**
 * Creates a new {@link InlineFragmentNode} with the specified properties.
 * 
 * @param props - The node properties
 * @param props.directives - {@link DirectivesNode}
 * @param props.selectionset - {@link SelectionSetNode}
 * @param props.typecondition - {@link TypeConditionNode}
 * @returns A new {@link InlineFragmentNode}
 * 
 * @example
 * ```typescript
 * const node = InlineFragmentNode({
 *   // properties...
 * });
 * ```
 */
export function InlineFragmentNode(props: Omit<InlineFragmentNode, 'type'>): InlineFragmentNode {
  return {
    type: TYPE,
    ...props
  };
}