using System;
using System.Collections.Generic;
using System.Text;
using System.Text.Json;

namespace ESPServer
{
	static class UnitFactory
	{
		public static Unit CreateUnit(JsonElement config)
		{
			var type = "";
			JsonElement val;
			if (config.TryGetProperty("type", out val))
			{
				type = val.GetString();
			}
			Unit u;
			if (type == "relay") u = new RelayUnit();
			else u = new Unit();
			u.id = config.GetProperty("id").GetString();
			u.name = config.GetProperty("name").GetString();
			u.baseAddress = config.GetProperty("address").GetInt32();
			u.values = new Dictionary<string, UnitValue>();
			foreach (var knownValue in config.GetProperty("values").EnumerateArray())
			{
				var uv = new UnitValue();
				uv.name = knownValue.GetProperty("name").GetString();
				uv.addressOffset = knownValue.GetProperty("offset").GetInt32();
				u.values[uv.name] = uv;
			}
			
			return u;
		}
	}
}