using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Drawing;
using System.Runtime.Serialization;

using Newtonsoft.Json;

using Vintagestory.API.Client;
using Vintagestory.API.Common;
using Vintagestory.API.MathTools;

namespace Automap
{
	public delegate void BlockDesignatorAction(ICoreClientAPI clientAPI, PointsOfInterest poi, BlockPos posn, Block block);

	/// <summary>
	/// Point of Interest Rule Designator
	/// </summary>
	[JsonObject(MemberSerialization.OptIn)]
	public class BlockDesignator
	{
		[JsonProperty]
		public Color OverwriteColor;

		[JsonIgnore]
		public BlockDesignatonAction SpecialAction;

		[JsonProperty]
		public string SpecialActionName;

		[JsonProperty]
		public AssetLocation Pattern;

		[JsonProperty]
		public EnumBlockMaterial? Material;

		[JsonProperty]
		public bool Enabled { get; set; }

		private BlockDesignator()
		{
			//throw new NotSupportedException();
		}

		public BlockDesignator(AssetLocation pattern, Color overwriteColor, EnumBlockMaterial? material)
		{
			this.Pattern = pattern;
			this.OverwriteColor = overwriteColor;
			this.Material = material;
			this.Enabled = true;
		}

		public BlockDesignator(AssetLocation pattern, Color overwriteColor, EnumBlockMaterial? material, BlockDesignatorAction specialAct)
		{
			this.Pattern = pattern;
			this.OverwriteColor = overwriteColor;
			this.Material = material;
			this.SpecialAction = specialAct;
			this.SpecialActionName = specialAct.Method.Name;
			this.Enabled = true;
		}

		public override string ToString()
		{
			return Pattern.ToShortString() + "|" + OverwriteColor.Name + "|" + Material ?? "";
		}

		[OnDeserialized]
		public void RelinkDesignator(StreamingContext sCtx )
		{
			//TODO: properly Via reflection - and support for external designators?
			if (SpecialAction == null && !String.IsNullOrEmpty(SpecialActionName)) {
				switch (SpecialActionName) {

					case "DecodeSign":
					SpecialAction = DefaultDesignators.DecodeSign;
					break;
				
					case "DecodePostSign":
					SpecialAction = DefaultDesignators.DecodePostSign;
					break;
				
					case "DecodeTranslocator":
					SpecialAction = DefaultDesignators.DecodeTranslocator;
					break;

				}
			}

		}
	}
}