using YamlDotNet.Core;
using YamlDotNet.Core.Events;
using YamlDotNet.Serialization;
using YamlDotNet.Serialization.EventEmitters;
using YamlDotNet.Serialization.NamingConventions;

namespace SchemaConverter;

public static class SerializeUtil
{
	private static readonly ISerializer _serializer;

	static SerializeUtil()
	{
		_serializer = new SerializerBuilder()
			.WithIndentedSequences()
			.WithNamingConvention(CamelCaseNamingConvention.Instance)
			.ConfigureDefaultValuesHandling(DefaultValuesHandling.OmitDefaults)
			// .WithEventEmitter(nextEmitter => new FlowEverythingEmitter(nextEmitter))
			.Build();
	}

	public static string Serialize(object o)
	{
		return _serializer.Serialize(o);
	}
	
	public class FlowEverythingEmitter : ChainedEventEmitter
	{
		public FlowEverythingEmitter(IEventEmitter nextEmitter) : base(nextEmitter) { }

		public override void Emit(MappingStartEventInfo eventInfo, IEmitter emitter)
		{
			Console.WriteLine($"Type: {eventInfo.Source.Type} Style: {eventInfo.Source.StaticType} Value: {eventInfo.Source.Value}");
			
			eventInfo.Style = MappingStyle.Flow;
			base.Emit(eventInfo, emitter);
		}

		public override void Emit(SequenceStartEventInfo eventInfo, IEmitter emitter)
		{
			Console.WriteLine($"Type: {eventInfo.Source.Type} StaticType: {eventInfo.Source.StaticType} Value: {eventInfo.Source.Value}");
			eventInfo.Style = SequenceStyle.Flow;
			nextEmitter.Emit(eventInfo, emitter);
		}
	}
}