// <copyright file="DateTimeOffsetConverter.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
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// </copyright>

using System;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace OpenQA.Selenium.BiDi.Communication.Json.Converters;

internal class DateTimeOffsetConverter : JsonConverter<DateTimeOffset>
{
    public override DateTimeOffset Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
    {
        // Workaround: it should be Int64, chrome uses double for `expiry` like "expiry":1737379944.308351

        if (reader.TryGetInt64(out long unixTime) is false)
        {
            var doubleValue = reader.GetDouble();

            unixTime = Convert.ToInt64(doubleValue);
        }

        return DateTimeOffset.FromUnixTimeMilliseconds(unixTime);
    }

    public override void Write(Utf8JsonWriter writer, DateTimeOffset value, JsonSerializerOptions options)
    {
        writer.WriteNumberValue(value.ToUnixTimeMilliseconds());
    }
}