// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT License.

// <auto-generated/>

#nullable disable

using System;
using System.ClientModel;
using System.ClientModel.Primitives;
using System.Text.Json;

namespace SampleTypeSpec
{
    /// <summary>
    /// Base animal with discriminator
    /// Please note this is the abstract base class. The derived classes available for instantiation are: <see cref="Pet"/> and <see cref="Dog"/>.
    /// </summary>
    [PersistableModelProxy(typeof(UnknownAnimal))]
    public abstract partial class Animal : IJsonModel<Animal>
    {
        /// <summary> Initializes a new instance of <see cref="Animal"/> for deserialization. </summary>
        internal Animal()
        {
        }

        /// <param name="data"> The data to parse. </param>
        /// <param name="options"> The client options for reading and writing models. </param>
        protected virtual Animal PersistableModelCreateCore(BinaryData data, ModelReaderWriterOptions options)
        {
            string format = options.Format == "W" ? ((IPersistableModel<Animal>)this).GetFormatFromOptions(options) : options.Format;
            switch (format)
            {
                case "J":
                    using (JsonDocument document = JsonDocument.Parse(data, ModelSerializationExtensions.JsonDocumentOptions))
                    {
                        return DeserializeAnimal(document.RootElement, options);
                    }
                default:
                    throw new FormatException($"The model {nameof(Animal)} does not support reading '{options.Format}' format.");
            }
        }

        /// <param name="options"> The client options for reading and writing models. </param>
        protected virtual BinaryData PersistableModelWriteCore(ModelReaderWriterOptions options)
        {
            string format = options.Format == "W" ? ((IPersistableModel<Animal>)this).GetFormatFromOptions(options) : options.Format;
            switch (format)
            {
                case "J":
                    return ModelReaderWriter.Write(this, options, SampleTypeSpecContext.Default);
                default:
                    throw new FormatException($"The model {nameof(Animal)} does not support writing '{options.Format}' format.");
            }
        }

        /// <param name="options"> The client options for reading and writing models. </param>
        BinaryData IPersistableModel<Animal>.Write(ModelReaderWriterOptions options) => PersistableModelWriteCore(options);

        /// <param name="data"> The data to parse. </param>
        /// <param name="options"> The client options for reading and writing models. </param>
        Animal IPersistableModel<Animal>.Create(BinaryData data, ModelReaderWriterOptions options) => PersistableModelCreateCore(data, options);

        /// <param name="options"> The client options for reading and writing models. </param>
        string IPersistableModel<Animal>.GetFormatFromOptions(ModelReaderWriterOptions options) => "J";

        /// <param name="animal"> The <see cref="Animal"/> to serialize into <see cref="BinaryContent"/>. </param>
        public static implicit operator BinaryContent(Animal animal)
        {
            if (animal == null)
            {
                return null;
            }
            return BinaryContent.Create(animal, ModelSerializationExtensions.WireOptions);
        }

        /// <param name="result"> The <see cref="ClientResult"/> to deserialize the <see cref="Animal"/> from. </param>
        public static explicit operator Animal(ClientResult result)
        {
            PipelineResponse response = result.GetRawResponse();
            using JsonDocument document = JsonDocument.Parse(response.Content, ModelSerializationExtensions.JsonDocumentOptions);
            return DeserializeAnimal(document.RootElement, ModelSerializationExtensions.WireOptions);
        }

        /// <param name="writer"> The JSON writer. </param>
        /// <param name="options"> The client options for reading and writing models. </param>
        void IJsonModel<Animal>.Write(Utf8JsonWriter writer, ModelReaderWriterOptions options)
        {
            writer.WriteStartObject();
            JsonModelWriteCore(writer, options);
            writer.WriteEndObject();
        }

        /// <param name="writer"> The JSON writer. </param>
        /// <param name="options"> The client options for reading and writing models. </param>
        protected virtual void JsonModelWriteCore(Utf8JsonWriter writer, ModelReaderWriterOptions options)
        {
            string format = options.Format == "W" ? ((IPersistableModel<Animal>)this).GetFormatFromOptions(options) : options.Format;
            if (format != "J")
            {
                throw new FormatException($"The model {nameof(Animal)} does not support writing '{format}' format.");
            }
            writer.WritePropertyName("kind"u8);
            writer.WriteStringValue(Kind);
            writer.WritePropertyName("name"u8);
            writer.WriteStringValue(Name);
            if (options.Format != "W" && _additionalBinaryDataProperties != null)
            {
                foreach (var item in _additionalBinaryDataProperties)
                {
                    writer.WritePropertyName(item.Key);
#if NET6_0_OR_GREATER
                    writer.WriteRawValue(item.Value);
#else
                    using (JsonDocument document = JsonDocument.Parse(item.Value))
                    {
                        JsonSerializer.Serialize(writer, document.RootElement);
                    }
#endif
                }
            }
        }

        /// <param name="reader"> The JSON reader. </param>
        /// <param name="options"> The client options for reading and writing models. </param>
        Animal IJsonModel<Animal>.Create(ref Utf8JsonReader reader, ModelReaderWriterOptions options) => JsonModelCreateCore(ref reader, options);

        /// <param name="reader"> The JSON reader. </param>
        /// <param name="options"> The client options for reading and writing models. </param>
        protected virtual Animal JsonModelCreateCore(ref Utf8JsonReader reader, ModelReaderWriterOptions options)
        {
            string format = options.Format == "W" ? ((IPersistableModel<Animal>)this).GetFormatFromOptions(options) : options.Format;
            if (format != "J")
            {
                throw new FormatException($"The model {nameof(Animal)} does not support reading '{format}' format.");
            }
            using JsonDocument document = JsonDocument.ParseValue(ref reader);
            return DeserializeAnimal(document.RootElement, options);
        }

        /// <param name="element"> The JSON element to deserialize. </param>
        /// <param name="options"> The client options for reading and writing models. </param>
        internal static Animal DeserializeAnimal(JsonElement element, ModelReaderWriterOptions options)
        {
            if (element.ValueKind == JsonValueKind.Null)
            {
                return null;
            }
            if (element.TryGetProperty("kind"u8, out JsonElement discriminator))
            {
                switch (discriminator.GetString())
                {
                    case "pet":
                        return Pet.DeserializePet(element, options);
                    case "dog":
                        return Dog.DeserializeDog(element, options);
                }
            }
            return UnknownAnimal.DeserializeUnknownAnimal(element, options);
        }
    }
}
