// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Collections.Immutable;
using Microsoft.CodeAnalysis.Contracts.EditAndContinue;
 
namespace Microsoft.CodeAnalysis.EditAndContinue.UnitTests;
 
internal readonly struct DocumentAnalysisResultsDescription
{
    public readonly ActiveStatementsDescription ActiveStatements;
 
    /// <summary>
    /// Default if semantic edits are not validated by the test.
    /// </summary>
    public readonly ImmutableArray<SemanticEditDescription> SemanticEdits;
 
    public readonly ImmutableArray<SequencePointUpdates> LineEdits;
 
    public readonly ImmutableArray<RudeEditDiagnosticDescription> Diagnostics;
 
    public DocumentAnalysisResultsDescription(
        ActiveStatementsDescription? activeStatements = null,
        SemanticEditDescription[]? semanticEdits = null,
        SequencePointUpdates[]? lineEdits = null,
        RudeEditDiagnosticDescription[]? diagnostics = null)
    {
        // The test must validate semantic edits, lineEdits, diagnostics or all of the above.
        // If neither is specified then assume the expectation is that
        // the documents has no edits and no diagnostics.
        if (semanticEdits is null && diagnostics is null)
        {
            SemanticEdits = [];
            Diagnostics = [];
        }
        else
        {
            SemanticEdits = semanticEdits.AsImmutableOrNull();
            Diagnostics = diagnostics.AsImmutableOrEmpty();
        }
 
        LineEdits = lineEdits.AsImmutableOrNull();
        ActiveStatements = activeStatements ?? ActiveStatementsDescription.Empty;
    }
}