using UnityEngine;

public interface IReceptor {
    public string GetName();

    // public NucleusArray array {
    //     get; set;
    // }
    public Nucleus[] nucleiArray { get; set; }

    public void AddReceptorElement(ClusterPrefab prefab);
    public void RemoveReceptorElement();

    public void AddArrayReceiver(Nucleus receiverToAdd, float weight = 1);

    public void ProcessStimulus(Vector3 inputValue, int thingId = 0, string thingName = null);
}

public static class IReceptorHelpers {

    public static void AddReceptorElement(IReceptor receptor, ClusterPrefab prefab) {
        if (receptor.nucleiArray.Length == 0) {
            Debug.LogError("Empty perceptoid array, cannot add");
        }
        int newLength = receptor.nucleiArray.Length + 1;
        Nucleus[] newArray = new Nucleus[newLength];

        string baseName = receptor.GetName();
        int colonPos = baseName.IndexOf(":");
        if (colonPos > 0)
            baseName = baseName[..colonPos];

        for (int i = 0; i < receptor.nucleiArray.Length; i++)
            newArray[i] = receptor.nucleiArray[i];
        if (receptor.nucleiArray[0] is Nucleus nucleus) {
            newArray[newLength - 1] = nucleus.Clone(prefab);
            newArray[newLength - 1].name = $"{baseName}: {newLength - 1}";
        }

        foreach (Nucleus element in receptor.nucleiArray) {
            if (element is IReceptor receptorElement) {
                receptorElement.nucleiArray = newArray;
            }
        }
    }

    public static void RemoveReceptorElement(IReceptor receptor) {
        int newLength = receptor.nucleiArray.Length - 1;
        if (newLength == 0) {
            Debug.LogWarning("Perceptoid array cannot be empty");
        }
        Nucleus[] newArray = new Nucleus[newLength];
        for (int i = 0; i < newLength; i++)
            newArray[i] = receptor.nucleiArray[i];
        // Delete the last perception
        if (receptor.nucleiArray[newLength] is Nucleus nucleus)
            Neuron.Delete(nucleus); //this._nuclei[newLength]);

        foreach (Nucleus element in receptor.nucleiArray) {
            if (element is IReceptor receptorElement) {
                receptorElement.nucleiArray = newArray;
            }
        }

    }

    public static void AddArrayReceiver(IReceptor receptor, Nucleus receiverToAdd, float weight = 1) {
        foreach (Nucleus element in receptor.nucleiArray) {
            if (element is Cluster cluster)
                cluster.defaultOutput.AddReceiver(receiverToAdd, weight);
            if (element is Neuron neuron)
                neuron.AddReceiver(receiverToAdd, weight);
        }

    }
}