// ==========================================================================
//  Squidex Headless CMS
// ==========================================================================
//  Copyright (c) Squidex UG (haftungsbeschraenkt)
//  All rights reserved. Licensed under the MIT license.
// ==========================================================================

using Squidex.Infrastructure.MongoDb;
using Squidex.Infrastructure.TestHelpers;
using Xunit;

namespace Squidex.Infrastructure.Json.Objects
{
    public class JsonValuesSerializationTests
    {
        public enum SerializerMode
        {
            Json,
            Bson
        }

        private static IEnumerable<object[]> Serializers()
        {
            yield return new object[] { SerializerMode.Json };
            yield return new object[] { SerializerMode.Bson };
        }

        private static T Serialize<T>(T input, SerializerMode mode)
        {
            if (mode == SerializerMode.Bson)
            {
                return input.SerializeAndDeserializeBson();
            }
            else
            {
                return input.SerializeAndDeserialize();
            }
        }

        [Fact]
        public void Should_deserialize_integer()
        {
            var value = 123;

            var serialized = value.SerializeAndDeserialize<JsonValue, int>();

            Assert.Equal(JsonValue.Create(value), serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_null(SerializerMode mode)
        {
            var value = JsonValue.Null;

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_date(SerializerMode mode)
        {
            var value = JsonValue.Create("2008-09-15T15:53:00");

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_string(SerializerMode mode)
        {
            var value = JsonValue.Create("my-string");

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_boolean(SerializerMode mode)
        {
            var value = JsonValue.Create(true);

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_number(SerializerMode mode)
        {
            var value = JsonValue.Create(123);

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_double_number(SerializerMode mode)
        {
            var value = JsonValue.Create(123.5);

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_array(SerializerMode mode)
        {
            var value = JsonValue.Array(1, 2);

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_object(SerializerMode mode)
        {
            var value =
                new JsonObject()
                    .Add("1", 1)
                    .Add("2", 1);

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Theory]
        [MemberData(nameof(Serializers))]
        public void Should_serialize_and_deserialize_complex_object(SerializerMode mode)
        {
            var value =
                new JsonObject()
                    .Add("1",
                        JsonValue.Array(
                            new JsonObject().Add("1_1", 11),
                            new JsonObject().Add("1_2", 12)))
                    .Add("2",
                        new JsonObject().Add("2_1", 11));

            var serialized = Serialize(value, mode);

            Assert.Equal(value, serialized);
        }

        [Fact]
        public void Should_deserialize_from_escaped_dot()
        {
            var value = new Dictionary<string, int>
            {
                ["key.with.dot".JsonToBsonName()] = 10
            };

            var expected =
                new JsonObject()
                    .Add("key.with.dot", 10);

            var serialized = TestUtils.SerializeAndDeserializeBson<JsonObject, Dictionary<string, int>>(value);

            Assert.Equal(expected, serialized);
        }
    }
}