namespace Aspire.Hosting.ApplicationModel;

/// <summary>
/// A resource that represents a MiniO storage
/// </summary>
/// <param name="name">The name of the resource</param>
/// <param name="rootUser"> A parameter that contains the MiniO server admin user name, or null to</param>
/// <param name="rootPassword"> A parameter that contains the Minio server admin password</param>
public sealed class MinioContainerResource(
    string name,
    ParameterResource rootUser,
    ParameterResource rootPassword) : ContainerResource(name),
    IResourceWithConnectionString
{
    internal const string PrimaryEndpointName = "http";
    internal const string DefaultUserName = "minioadmin";

    /// <summary>
    /// The MiniO root user.
    /// </summary>
    public ParameterResource RootUser { get; set; } = rootUser;

    /// <summary>
    /// The MiniO root password.
    /// </summary>
    public ParameterResource RootPassword { get; } = rootPassword;

    private EndpointReference? _primaryEndpoint;

    /// <summary>
    /// Gets the primary endpoint for the Minio. This endpoint is used for all API calls over HTTP.
    /// </summary>
    public EndpointReference PrimaryEndpoint => _primaryEndpoint ??= new(this, PrimaryEndpointName);
    
    /// <summary>
    /// Gets the connection string expression for the Minio
    /// </summary>
    public ReferenceExpression ConnectionStringExpression => GetConnectionString();
        
    private ReferenceExpression GetConnectionString()
    {
        var builder = new ReferenceExpressionBuilder();

        builder.Append(
            $"Endpoint=http://{PrimaryEndpoint.Property(EndpointProperty.Host)}:{PrimaryEndpoint.Property(EndpointProperty.Port)}");
            
        builder.Append($";AccessKey={RootUser.Value}");
        builder.Append($";SecretKey={RootPassword.Value}");

        return builder.Build();
    }
}