using System;
using System.Collections.Generic;
using System.Linq;
using BoundaryLab.Domain;

namespace BoundaryLab.Application;

public interface ILabelWrite { void Save(Label label); }
public interface ILabelRead { Label? Find(string code); }
public sealed class CreateLabel(ILabelWrite store)
{
    public void Execute(string text)
    {
        ArgumentNullException.ThrowIfNull(text);
        string code = text.Trim().ToUpperInvariant();
        if (code.Length == 0) throw new ArgumentException("Code required", nameof(text));
        store.Save(new Label(code));
    }
}
public sealed class FindLabel(ILabelRead store) { public Label? Execute(string code) => store.Find(code); }