// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Aspire.Hosting.ApplicationModel;
 
namespace Aspire.Hosting;
 
internal sealed class ConnectionStringParameterResource : ParameterResource, IResourceWithConnectionString
{
    private readonly string? _environmentVariableName;
 
    public ConnectionStringParameterResource(string name, Func<ParameterDefault?, string> callback, string? environmentVariableName) : base(name, callback, secret: true)
    {
        _environmentVariableName = environmentVariableName;
 
        IsConnectionString = true;
    }
 
    string IManifestExpressionProvider.ValueExpression => $"{{{Name}.connectionString}}";
 
    public string? ConnectionStringEnvironmentVariable => _environmentVariableName;
 
    public ReferenceExpression ConnectionStringExpression =>
        ReferenceExpression.Create($"{this}");
}