Evaluate.cs

// <copyright file="Evaluate.cs" company="Selenium Committers">
// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
// </copyright>

using System.Text.Json;
using System.Text.Json.Serialization;
using OpenQA.Selenium.BiDi.Json;

namespace OpenQA.Selenium.BiDi.Script;

internal sealed record EvaluateParameters(
    string Expression,
    Target Target,
    bool AwaitPromise,
    ResultOwnership? ResultOwnership,
    SerializationOptions? SerializationOptions,
    bool? UserActivation) : Parameters;

public sealed record EvaluateOptions : CommandOptions
{
    public ResultOwnership? ResultOwnership { get; init; }

    public SerializationOptions? SerializationOptions { get; init; }

    public bool? UserActivation { get; init; }
}

// https://github.com/dotnet/runtime/issues/72604
//[JsonPolymorphic(TypeDiscriminatorPropertyName = "type")]
//[JsonDerivedType(typeof(EvaluateResultSuccess), "success")]
//[JsonDerivedType(typeof(EvaluateResultException), "exception")]
[JsonConverter(typeof(EvaluateResultConverter))]
public abstract record EvaluateResult : EmptyResult
{
    public RemoteValue AsSuccessResult()
    {
        if (this is EvaluateResultSuccess success)
        {
            return success.Result;
        }

        throw new InvalidCastException($"Expected the result to be {nameof(EvaluateResultSuccess)}, but got {this}");
    }
}

public sealed record EvaluateResultSuccess(
    RemoteValue Result,
    Realm Realm) : EvaluateResult
{
    public static implicit operator RemoteValue(EvaluateResultSuccess success)
        => success.Result;
}

public sealed record EvaluateResultException(
    ExceptionDetails ExceptionDetails,
    Realm Realm) : EvaluateResult;

public sealed record ExceptionDetails(
    long ColumnNumber,
    long LineNumber,
    StackTrace StackTrace,
    string Text);

// https://github.com/dotnet/runtime/issues/72604
internal class EvaluateResultConverter : JsonConverter<EvaluateResult>
{
    public override EvaluateResult? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
    {
        return reader.GetDiscriminator("type") switch
        {
            "success" => JsonSerializer.Deserialize(ref reader, options.GetTypeInfo<EvaluateResultSuccess>()),
            "exception" => JsonSerializer.Deserialize(ref reader, options.GetTypeInfo<EvaluateResultException>()),
            _ => null,
        };
    }

    public override void Write(Utf8JsonWriter writer, EvaluateResult value, JsonSerializerOptions options)
    {
        throw new NotImplementedException();
    }
}