// <copyright file="JsonNullableGuidConverterTests.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>

namespace Jellyfin.Extensions.Tests.Json.Converters
{
    using System;
    using System.Text.Json;
    using Jellyfin.Extensions.Json.Converters;
    using Xunit;

    public class JsonNullableGuidConverterTests
    {
        private readonly JsonSerializerOptions _options;

        public JsonNullableGuidConverterTests()
        {
            this._options = new JsonSerializerOptions();
            this._options.Converters.Add(new JsonNullableGuidConverter());
        }

        [Fact]
        public void Deserialize_Valid_Success()
        {
            Guid? value = JsonSerializer.Deserialize<Guid?>(@"""a852a27afe324084ae66db579ee3ee18""", this._options);
            Assert.Equal(new("a852a27afe324084ae66db579ee3ee18"), value);
        }

        [Fact]
        public void Deserialize_ValidDashed_Success()
        {
            Guid? value = JsonSerializer.Deserialize<Guid?>(@"""e9b2dcaa-529c-426e-9433-5e9981f27f2e""", this._options);
            Assert.Equal(new("e9b2dcaa-529c-426e-9433-5e9981f27f2e"), value);
        }

        [Fact]
        public void Roundtrip_Valid_Success()
        {
            Guid guid = new("a852a27afe324084ae66db579ee3ee18");
            string value = JsonSerializer.Serialize(guid, this._options);
            Assert.Equal(guid, JsonSerializer.Deserialize<Guid?>(value, this._options));
        }

        [Fact]
        public void Deserialize_Null_Null()
        {
            Assert.Null(JsonSerializer.Deserialize<Guid?>("null", this._options));
        }

        [Fact]
        public void Deserialize_EmptyGuid_EmptyGuid()
        {
            Assert.Equal(Guid.Empty, JsonSerializer.Deserialize<Guid?>(@"""00000000-0000-0000-0000-000000000000""", this._options));
        }

        [Fact]
        public void Serialize_EmptyGuid_Null()
        {
            Assert.Equal("null", JsonSerializer.Serialize((Guid?)Guid.Empty, this._options));
        }

        [Fact]
        public void Serialize_Null_Null()
        {
            Assert.Equal("null", JsonSerializer.Serialize((Guid?)null, this._options));
        }

        [Fact]
        public void Serialize_Valid_NoDash_Success()
        {
            Guid? guid = new("531797E9-9457-40E0-88BC-B1D6D38752FA");
            string str = JsonSerializer.Serialize(guid, this._options);
            Assert.Equal($"\"{guid:N}\"", str);
        }

        [Fact]
        public void Serialize_Nullable_Success()
        {
            Guid? guid = new("531797E9-9457-40E0-88BC-B1D6D38752FA");
            string str = JsonSerializer.Serialize(guid, this._options);
            Assert.Equal($"\"{guid:N}\"", str);
        }
    }
}