using System.Text.Json.Serialization;

namespace AnthropicClient.Models;

/// <summary>
/// Represents a citation
/// </summary>
public abstract class Citation
{
  /// <summary>
  /// Gets the type of the citation.
  /// </summary>
  public string Type { get; init; } = string.Empty;

  /// <summary>
  /// Gets the text that is cited.
  /// </summary>
  [JsonPropertyName("cited_text")]
  public string CitedText { get; init; } = string.Empty;

  /// <summary>
  /// Gets the document index of the citation.
  /// </summary>
  [JsonPropertyName("document_index")]
  public int DocumentIndex { get; init; }

  /// <summary>
  /// Gets the title of the document from which the citation is made.
  /// </summary>
  [JsonPropertyName("document_title")]
  public string DocumentTitle { get; init; } = string.Empty;

  [JsonConstructor]
  internal Citation()
  {
  }

  /// <summary>
  /// Initializes a new instance of the <see cref="Citation"/> class with a specified type.
  /// </summary>
  /// <param name="type">The type of the citation.</param>
  /// <returns>A new instance of <see cref="Citation"/>.</returns>
  protected Citation(string type)
  {
    Type = type;
  }
}