// 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.CSharp.Symbols;
using Microsoft.CodeAnalysis.CSharp.Syntax;

namespace Microsoft.CodeAnalysis.CSharp
{
    internal readonly struct NamespaceOrTypeAndUsingDirective
    {
        public readonly NamespaceOrTypeSymbol NamespaceOrType;
        public readonly SyntaxReference? UsingDirectiveReference;
        public readonly ImmutableArray<AssemblySymbol> Dependencies;

        public NamespaceOrTypeAndUsingDirective(NamespaceOrTypeSymbol namespaceOrType, UsingDirectiveSyntax? usingDirective, ImmutableArray<AssemblySymbol> dependencies)
        {
            this.NamespaceOrType = namespaceOrType;
            this.UsingDirectiveReference = usingDirective?.GetReference();
            this.Dependencies = dependencies.NullToEmpty();
        }

        public UsingDirectiveSyntax? UsingDirective => (UsingDirectiveSyntax?)UsingDirectiveReference?.GetSyntax();
    }
}