using System.Text.Json.Serialization;

namespace luaaaaah;

[JsonDerivedType(typeof(Integer), typeDiscriminator: "int")]
[JsonDerivedType(typeof(Float), typeDiscriminator: "float")]
public interface INumeral
{
	public class Integer(int value) : INumeral
	{
		public int value = value;

		public bool RawEqual(INumeral other)
		{
			if(other is Integer integer)
			{
				return integer.value == value;
			}
			// TODO: Check if this is actually doing what is expected
			return ((Float)other).value == value;
		}
		public override string ToString()
		{
			return $"Numeral Integer {value}";
		}
	}
	public class Float(float value) : INumeral
	{
		public float value = value;

		public bool RawEqual(INumeral other)
		{
			if(other is Float float_val)
			{
				return float_val.value == value;
			}
			// TODO: Check if this is actually doing what is expected
			return ((Integer)other).value == value;
		}
		public override string ToString()
		{
			return $"Numeral Float {value}";
		}
	}

	public bool RawEqual(INumeral other);
}

class CodeRegion(CodeLocation start, CodeLocation end)
{
	public CodeLocation start = start;
	public CodeLocation end = end;

	public override string ToString()
	{
		return $"{start}-{end}";
	}
}

class CodeLocation(int line, int col)
{
	public int line = line;
	public int col = col;

	public CodeLocation(CodeLocation other) : this(line: other.line, col: other.col) { }

	public override string ToString()
	{
		return $"{line + 1}:{col + 1}";
	}
}