// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using System.Collections.Generic;
using System.Text.Json;
using Xunit;
 
namespace Microsoft.Extensions.AI.Contents;
 
public class FunctionApprovalRequestContentTests
{
    [Fact]
    public void Constructor_InvalidArguments_Throws()
    {
        FunctionCallContent functionCall = new("FCC1", "TestFunction");
 
        Assert.Throws<ArgumentNullException>("id", () => new FunctionApprovalRequestContent(null!, functionCall));
        Assert.Throws<ArgumentException>("id", () => new FunctionApprovalRequestContent("", functionCall));
        Assert.Throws<ArgumentException>("id", () => new FunctionApprovalRequestContent("\r\t\n ", functionCall));
 
        Assert.Throws<ArgumentNullException>("functionCall", () => new FunctionApprovalRequestContent("id", null!));
    }
 
    [Theory]
    [InlineData("abc")]
    [InlineData("123")]
    [InlineData("!@#")]
    public void Constructor_Roundtrips(string id)
    {
        FunctionCallContent functionCall = new("FCC1", "TestFunction");
 
        FunctionApprovalRequestContent content = new(id, functionCall);
 
        Assert.Same(id, content.Id);
        Assert.Same(functionCall, content.FunctionCall);
    }
 
    [Theory]
    [InlineData(true)]
    [InlineData(false)]
    public void CreateResponse_ReturnsExpectedResponse(bool approved)
    {
        string id = "req-1";
        FunctionCallContent functionCall = new("FCC1", "TestFunction");
 
        FunctionApprovalRequestContent content = new(id, functionCall);
 
        var response = content.CreateResponse(approved);
 
        Assert.NotNull(response);
        Assert.Same(id, response.Id);
        Assert.Equal(approved, response.Approved);
        Assert.Same(functionCall, response.FunctionCall);
        Assert.Null(response.Reason);
    }
 
    [Theory]
    [InlineData(true, "Approved for testing")]
    [InlineData(false, "Rejected due to security concerns")]
    [InlineData(true, null)]
    [InlineData(false, null)]
    public void CreateResponse_WithReason_ReturnsExpectedResponse(bool approved, string? reason)
    {
        string id = "req-1";
        FunctionCallContent functionCall = new("FCC1", "TestFunction");
 
        FunctionApprovalRequestContent content = new(id, functionCall);
 
        var response = content.CreateResponse(approved, reason);
 
        Assert.NotNull(response);
        Assert.Same(id, response.Id);
        Assert.Equal(approved, response.Approved);
        Assert.Same(functionCall, response.FunctionCall);
        Assert.Equal(reason, response.Reason);
    }
 
    [Fact]
    public void Serialization_Roundtrips()
    {
        var content = new FunctionApprovalRequestContent("request123", new FunctionCallContent("call123", "functionName", new Dictionary<string, object?> { { "param1", 123 } }));
 
        var json = JsonSerializer.Serialize(content, AIJsonUtilities.DefaultOptions);
        var deserializedContent = JsonSerializer.Deserialize<FunctionApprovalRequestContent>(json, AIJsonUtilities.DefaultOptions);
 
        Assert.NotNull(deserializedContent);
        Assert.Equal(content.Id, deserializedContent.Id);
        Assert.NotNull(deserializedContent.FunctionCall);
        Assert.Equal(content.FunctionCall.CallId, deserializedContent.FunctionCall.CallId);
        Assert.Equal(content.FunctionCall.Name, deserializedContent.FunctionCall.Name);
    }
}