using System;
using BlockSpace.Voxels;
using UnityEngine;

[Serializable]
public struct BSValue
{
	private const double WholeNumberEpsilon = 0.0001;

	public BSValueKind Kind;

	public double Number;

	public string Text;

	public bool Bool;

	public int PlayerId;

	public int GroupId;

	public bool IsInitialized
	{
		get
		{
			if (Kind == BSValueKind.None && !(Math.Abs(Number) > 0.0001) && string.IsNullOrEmpty(Text) && PlayerId == 0)
			{
				return GroupId != 0;
			}
			return true;
		}
	}

	public static BSValue None => new BSValue
	{
		Kind = BSValueKind.None
	};

	public static BSValue FromBool(bool value)
	{
		return new BSValue
		{
			Kind = BSValueKind.Bool,
			Bool = value
		};
	}

	public static BSValue FromNumber(double value)
	{
		return new BSValue
		{
			Kind = BSValueKind.Number,
			Number = NormalizeNumber(value)
		};
	}

	public static BSValue FromText(string value)
	{
		if (string.IsNullOrWhiteSpace(value) || string.Equals(value, "None", StringComparison.OrdinalIgnoreCase) || string.Equals(value, "Null", StringComparison.OrdinalIgnoreCase))
		{
			return None;
		}
		if (string.Equals(value, "True", StringComparison.OrdinalIgnoreCase) || string.Equals(value, "False", StringComparison.OrdinalIgnoreCase))
		{
			return FromBool(string.Equals(value, "True", StringComparison.OrdinalIgnoreCase));
		}
		if (double.TryParse(value, out var result))
		{
			return FromNumber(result);
		}
		return new BSValue
		{
			Kind = BSValueKind.Text,
			Text = value
		};
	}

	public static BSValue FromPlayer(int playerId)
	{
		return new BSValue
		{
			Kind = BSValueKind.Player,
			PlayerId = playerId
		};
	}

	public static BSValue FromGroup(int groupId)
	{
		return new BSValue
		{
			Kind = BSValueKind.Group,
			GroupId = groupId
		};
	}

	public BSValue Normalize()
	{
		switch (Kind)
		{
		case BSValueKind.Number:
			Number = NormalizeNumber(Number);
			break;
		case BSValueKind.Text:
			if (Text == null)
			{
				Text = string.Empty;
			}
			break;
		}
		return this;
	}

	public bool IsWholeNumber()
	{
		return Math.Abs(Number - Math.Round(Number)) <= 0.0001;
	}

	public double AsNumber()
	{
		switch (Kind)
		{
		case BSValueKind.Number:
			return NormalizeNumber(Number);
		case BSValueKind.Bool:
			if (!Bool)
			{
				return 0.0;
			}
			return 1.0;
		case BSValueKind.Text:
		{
			if (double.TryParse(Text, out var result))
			{
				return NormalizeNumber(result);
			}
			return EncodeTextAsNumber(Text);
		}
		case BSValueKind.Player:
			return PlayerId;
		case BSValueKind.Group:
			return GroupId;
		default:
			return 0.0;
		}
	}

	public bool AsBool()
	{
		return Kind switch
		{
			BSValueKind.Bool => Bool, 
			BSValueKind.None => false, 
			BSValueKind.Number => Math.Abs(AsNumber()) > 0.0001, 
			BSValueKind.Text => !string.IsNullOrEmpty(AsText()), 
			BSValueKind.Player => AsPlayerId() > 0, 
			BSValueKind.Group => AsGroupId() > 0, 
			_ => false, 
		};
	}

	public string AsText()
	{
		switch (Kind)
		{
		case BSValueKind.Number:
			if (!IsWholeNumber())
			{
				return NormalizeNumber(Number).ToString("0.#######");
			}
			return Math.Round(Number).ToString();
		case BSValueKind.Bool:
			if (!Bool)
			{
				return "False";
			}
			return "True";
		case BSValueKind.Text:
			return Text ?? string.Empty;
		case BSValueKind.Player:
			return PlayerId.ToString();
		case BSValueKind.Group:
			return GroupId.ToString();
		default:
			return string.Empty;
		}
	}

	public int AsPlayerId()
	{
		switch (Kind)
		{
		case BSValueKind.Player:
			return PlayerId;
		case BSValueKind.Number:
			return Mathf.RoundToInt((float)NormalizeNumber(Number));
		case BSValueKind.Group:
			return GroupId;
		case BSValueKind.Text:
		{
			if (int.TryParse(Text, out var result))
			{
				return result;
			}
			return Mathf.RoundToInt((float)EncodeTextAsNumber(Text));
		}
		default:
			return 0;
		}
	}

	public int AsGroupId()
	{
		switch (Kind)
		{
		case BSValueKind.Group:
			return GroupId;
		case BSValueKind.Number:
			return Mathf.RoundToInt((float)NormalizeNumber(Number));
		case BSValueKind.Player:
			return PlayerId;
		case BSValueKind.Text:
		{
			if (int.TryParse(Text, out var result))
			{
				return result;
			}
			return Mathf.RoundToInt((float)EncodeTextAsNumber(Text));
		}
		default:
			return 0;
		}
	}

	public bool TryResolveGroup(out VoxelGroup group)
	{
		return TryResolveGroup(VoxelGroupManager.Instance, out group);
	}

	public bool TryResolveGroup(VoxelGroupManager manager, out VoxelGroup group)
	{
		group = null;
		if (manager == null)
		{
			return false;
		}
		int num = AsGroupId();
		if (num > 0 && num <= 65535 && manager.TryGetGroup((ushort)num, out group))
		{
			return group != null;
		}
		return false;
	}

	public BSValue ConvertTo(BSValueKind targetKind)
	{
		return targetKind switch
		{
			BSValueKind.Bool => FromBool(AsBool()), 
			BSValueKind.Number => FromNumber(AsNumber()), 
			BSValueKind.Text => new BSValue
			{
				Kind = BSValueKind.Text,
				Text = AsText()
			}, 
			BSValueKind.Player => FromPlayer(AsPlayerId()), 
			BSValueKind.Group => FromGroup(AsGroupId()), 
			_ => None, 
		};
	}

	public override string ToString()
	{
		return Kind switch
		{
			BSValueKind.Number => AsText(), 
			BSValueKind.Text => AsText(), 
			BSValueKind.Bool => AsText(), 
			BSValueKind.Player => $"Player({AsPlayerId()})", 
			BSValueKind.Group => $"Group({AsGroupId()})", 
			_ => "None", 
		};
	}

	private static double NormalizeNumber(double value)
	{
		double num = Math.Round(value);
		if (!(Math.Abs(value - num) <= 0.0001))
		{
			return value;
		}
		return num;
	}

	private static double EncodeTextAsNumber(string value)
	{
		if (string.IsNullOrEmpty(value))
		{
			return 0.0;
		}
		uint num = 2166136261u;
		for (int i = 0; i < value.Length; i++)
		{
			num ^= value[i];
			num *= 16777619;
		}
		return num;
	}
}