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using System.Text.Json;
using System.Text.Json.Nodes;
namespace VersOne.Epub.Test.Integration.JsonUtils
{
internal class JsonSerializationContext
{
private readonly Lazy<Dictionary<object, int>> serializationReferencedObjects;
private readonly Lazy<Dictionary<int, object>> deserializationReferencedObjects;
public JsonSerializationContext()
{
this.serializationReferencedObjects = new Lazy<Dictionary<object, int>>();
this.deserializationReferencedObjects = new Lazy<Dictionary<int, object>>();
}
public (int referenceNumber, bool isDuplicateReference) GetReferenceNumber(object reference)
{
if (serializationReferencedObjects.Value.TryGetValue(reference, out int existingReferenceNumber))
{
return (existingReferenceNumber, true);
}
int newReferenceNumber = serializationReferencedObjects.Value.Count + 1;
serializationReferencedObjects.Value.Add(reference, newReferenceNumber);
return (newReferenceNumber, false);
}
public void AddReference(int referenceNumber, object reference)
{
if (deserializationReferencedObjects.Value.ContainsKey(referenceNumber))
{
throw new ArgumentException($"Reference ${referenceNumber} has already been added.");
}
deserializationReferencedObjects.Value[referenceNumber] = reference;
}
public object GetExistingReference(int existingReferenceNumber)
{
if (!deserializationReferencedObjects.Value.TryGetValue(existingReferenceNumber, out object? existingReference))
{
throw new ArgumentException($"Reference ${existingReferenceNumber} does not exist.");
}
return existingReference;
}
public virtual JsonNode? SerializePropertyValue(Type type, string propertyName, object serializingObject)
{
throw new NotImplementedException($"Custom type serializer is required to serialize an object of type {type.Name}");
}
public virtual object? DeserializePropertyValue(Type type, string propertyName, JsonElement serializedValue)
{
throw new NotImplementedException($"Custom type deserializer is required to deserialize an object of type {type.Name}");
}
}
}
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