using System;

using System.Threading.Tasks;

using Lifti;

using Lifti.Querying;

public class Program

{

    public static async Task Main()

    {

        var index = await CreateAndPopulateTestIndex();

        var results = index.Search("item ~> ((1 ~ 2) | (6 & 7))", QueryExecutionOptions.IncludeExecutionPlan);

        var executionPlan = results.GetExecutionPlan();

​

        // Accessing the root node

        var rootNode = executionPlan.Root;

​

        // Example: iterating through the node hierarchy

        void PrintNodeDetails(QueryExecutionPlanNode node, string indent = "")

        {

            Console.Write($"{indent}#{node.ExecutionOrder} ");

            if (node.Kind == QueryExecutionPlanNodeKind.QueryPart)

            {

                Console.Write($"Searching: {node.Text}");

            }

            else 

            {

                Console.Write($"{node.Kind} {node.Text}");

            }

            Console.WriteLine($" - Docs: {node.ResultingDocumentCount}, Timing: {node.InclusiveTiming.TotalMilliseconds}ms ({node.ExclusiveTiming.TotalMilliseconds}ms exc.)");

            if (node.Children is var (left, right))

            {

                PrintNodeDetails(left, indent + "  ");

                PrintNodeDetails(right, indent + "  ");

            }

        }

​

        PrintNodeDetails(rootNode);

    }

    private static async Task<FullTextIndex<int>> CreateAndPopulateTestIndex()

    {

        var index = new FullTextIndexBuilder<int>()

            .Build();

        index.BeginBatchChange();

        for (var i = 0; i < 20; i++)

        {

            await index.AddAsync(i, $"item {i} {i + 1} {i + 2}");

        }

        await index.CommitBatchChangeAsync();

        return index;

    }

}