namespace Day20;

public class ConjunctionModule : Module
{
    private readonly Dictionary<string, bool> _inputStates = new Dictionary<string, bool>();
    
    public ConjunctionModule(string name)
        : base(name)
    {
    }
    
    public override string GetState()
    {
        return string.Concat(_inputs.Select(m => StateOf(m) ? "1" : "0"));
    }

    public override IEnumerable<Pulse> Process(Pulse p)
    {
        _inputStates[p.Source] = p.Value;
        var outPulse = !AllHigh();
        return _outputs.Select(o => new Pulse(Name, o.Name, outPulse));
    }
    
    public override void Reset()
    {
        _inputStates.Clear();
    }

    private bool StateOf(Module m)
    {
        return _inputStates.GetValueOrDefault(m.Name, false);
    }

    private bool AllHigh()
    {
        return _inputs.All(StateOf);
    }
}