// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Text.Json;
using System.Text.Json.Nodes;
using Microsoft.AspNetCore.JsonPatch.SystemTextJson.Exceptions;
using Microsoft.AspNetCore.JsonPatch.SystemTextJson.Operations;
using Xunit;
 
namespace Microsoft.AspNetCore.JsonPatch.SystemTextJson;
 
public class JsonPatchDocumentJObjectTest
{
    [Fact]
    public void ApplyTo_Array_Add()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = (JsonObject)JsonSerializer.SerializeToNode(new { Emails = new[] { "foo@bar.com" } }) };
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("add", "/CustomData/Emails/-", null, "foo@baz.com"));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.Equal("foo@baz.com", model.CustomData["Emails"][1].GetValue<string>());
    }
 
    [Fact]
    public void ApplyTo_Model_Test1()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = (JsonObject)JsonSerializer.SerializeToNode(new { Email = "foo@bar.com", Name = "Bar" }) };
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("test", "/CustomData/Email", null, "foo@baz.com"));
        patch.Operations.Add(new Operation<ObjectWithJObject>("add", "/CustomData/Name", null, "Bar Baz"));
 
        // Act & Assert
        Assert.Throws<JsonPatchException>(() => patch.ApplyTo(model));
    }
 
    [Fact]
    public void ApplyTo_Model_Test2()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = new JsonObject([new("Email", "foo@bar.com"), new("Name", "Bar")]) };
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("test", "/CustomData/Email", null, "foo@bar.com"));
        patch.Operations.Add(new Operation<ObjectWithJObject>("add", "/CustomData/Name", null, "Bar Baz"));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.Equal("Bar Baz", model.CustomData["Name"].GetValue<string>());
    }
 
    [Fact]
    public void ApplyTo_Model_Copy()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = new JsonObject([new("Email", "foo@bar.com")]) };
 
        var patch = new JsonPatchDocument<ObjectWithJObject>();
        patch.Operations.Add(new Operation<ObjectWithJObject>("copy", "/CustomData/UserName", "/CustomData/Email"));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.Equal("foo@bar.com", model.CustomData["UserName"].GetValue<string>());
    }
 
    [Fact]
    public void ApplyTo_Model_Remove()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = new JsonObject([new("FirstName", "Bar"), new("LastName", "Bar")]) };
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("remove", "/CustomData/LastName", null));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.False(model.CustomData.ContainsKey("LastName"));
    }
 
    [Fact]
    public void ApplyTo_Model_Move()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = new JsonObject([new("FirstName", "Bar")]) };
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("move", "/CustomData/LastName", "/CustomData/FirstName"));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.False(model.CustomData.ContainsKey("FirstName"));
        Assert.Equal("Bar", model.CustomData["LastName"].GetValue<string>());
    }
 
    [Fact]
    public void ApplyTo_Model_Add()
    {
        // Arrange
        var model = new ObjectWithJObject();
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("add", "/CustomData/Name", null, "Foo"));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.Equal("Foo", model.CustomData["Name"].GetValue<string>());
    }
 
    [Fact]
    public void ApplyTo_Model_Add_Null()
    {
        // Arrange
        var model = new ObjectWithJObject();
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("add", "/CustomData/Name", null, null));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.Contains("Name", model.CustomData);
        Assert.Null(model.CustomData["Name"]);
    }
 
    [Fact]
    public void ApplyTo_Model_Replace()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = new JsonObject([new("Email", "foo@bar.com"), new("Name", "Bar")]) };
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("replace", "/CustomData/Email", null, "foo@baz.com"));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.Equal("foo@baz.com", model.CustomData["Email"].GetValue<string>());
    }
 
    [Fact]
    public void ApplyTo_Model_Replace_Null()
    {
        // Arrange
        var model = new ObjectWithJObject { CustomData = new JsonObject([new("Email", "foo@bar.com"), new("Name", "Bar")]) };
        var patch = new JsonPatchDocument<ObjectWithJObject>();
 
        patch.Operations.Add(new Operation<ObjectWithJObject>("replace", "/CustomData/Email", null, null));
 
        // Act
        patch.ApplyTo(model);
 
        // Assert
        Assert.Null(model.CustomData["Email"]);
    }
}