namespace ZB.MOM.WW.ScadaBridge.Commons.Entities.Instances;

public class InstanceAttributeOverride
{
    /// <summary>Gets or sets the primary key.</summary>
    public int Id { get; set; }
    /// <summary>Gets or sets the foreign key of the owning instance.</summary>
    public int InstanceId { get; set; }
    /// <summary>Gets or sets the attribute name this override targets.</summary>
    public string AttributeName { get; set; }
    /// <summary>Gets or sets the override value, or <c>null</c> to clear a previous override.</summary>
    public string? OverrideValue { get; set; }

    /// <summary>Initializes a new <see cref="InstanceAttributeOverride"/> for the given attribute name.</summary>
    /// <param name="attributeName">The name of the attribute to override.</param>
    public InstanceAttributeOverride(string attributeName)
    {
        AttributeName = attributeName ?? throw new ArgumentNullException(nameof(attributeName));
    }
}