feat: create chat message

src/AnthropicClient/Models/Tool.cs

@@ -0,0 +1,51 @@
+using System.Text.Json.Serialization;
+
+using AnthropicClient.Utils;
+
+namespace AnthropicClient.Models;
+
+/// <summary>
+/// Represents a tool that can be used in the chat.
+/// </summary>
+public class Tool
+{
+  /// <summary>
+  /// Gets the name of the tool.
+  /// </summary>
+  public string Name { get; init; } = string.Empty;
+
+  /// <summary>
+  /// Gets the description of the tool.
+  /// </summary>
+  public string Description { get; init; } = string.Empty;
+
+  /// <summary>
+  /// Gets the input schema of the tool.
+  /// </summary>
+  [JsonPropertyName("input_schema")]
+  public InputSchema InputSchema { get; init; } = new();
+
+  [JsonConstructor]
+  internal Tool()
+  {
+  }
+
+  /// <summary>
+  /// Initializes a new instance of the <see cref="Tool"/> class.
+  /// </summary>
+  /// <param name="name">The name of the tool.</param>
+  /// <param name="description">The description of the tool.</param>
+  /// <param name="inputSchema">The input schema of the tool.</param>
+  /// <exception cref="ArgumentNullException">Thrown when the name, description, or input schema is null.</exception>
+  /// <returns>A new instance of the <see cref="Tool"/> class.</returns>
+  public Tool(string name, string description, InputSchema inputSchema)
+  {
+    ArgumentValidator.ThrowIfNull(name, nameof(name));
+    ArgumentValidator.ThrowIfNull(description, nameof(description));
+    ArgumentValidator.ThrowIfNull(inputSchema, nameof(inputSchema));
+
+    Name = name;
+    Description = description;
+    InputSchema = inputSchema;
+  }
+}