// ReSharper disable NotAccessedPositionalProperty.Global
namespace AIStudio.Provider.Anthropic;

/// <summary>
/// Represents a response stream line.
/// </summary>
/// <param name="Type">The type of the response line.</param>
/// <param name="Index">The index of the response line.</param>
/// <param name="Delta">The delta of the response line.</param>
public readonly record struct ResponseStreamLine(string Type, int Index, Delta Delta) : IResponseStreamLine
{
    /// <inheritdoc />
    public bool ContainsContent() => this != default &&
                                     (!string.IsNullOrEmpty(this.Delta.Text) || !string.IsNullOrEmpty(this.Delta.Thinking));

    /// <inheritdoc />
    public ContentStreamChunk GetContent() => this.Delta.Type switch
    {
        "thinking_delta" => new(string.Empty, this.Delta.Thinking, []),
        _ => new(this.Delta.Text, string.Empty, []),
    };

    #region Implementation of IAnnotationStreamLine

    //
    // Please note: Anthropic's API does not currently support sources in their
    // OpenAI-compatible response stream.
    //

    /// <inheritdoc />
    public bool ContainsSources() => false;

    /// <inheritdoc />
    public IList<ISource> GetSources() => [];

    #endregion
}