using System.Linq;
using System.Collections.Generic;
using UnityEngine;

[System.Serializable]
public class NucleusArray {
    [SerializeReference]
    private INucleus[] _nuclei;
    private ClusterPrefab[] _clusters;
    public IEnumerable<INucleus> nuclei {
        get {
            // if (_nuclei == null)
            //     return _clusters;
            // else if (_clusters == null)
                return _nuclei;
            // else
            //     return _nuclei.Concat(_clusters);
        }
    }
    public string name;

    public NucleusArray(INucleus nucleus) {
        this.name = nucleus.name;
        this._nuclei = new INucleus[1];
        this._nuclei[0] = nucleus;
        this._clusters = new ClusterPrefab[0];
    }
    public NucleusArray(ClusterPrefab cluster) {
        this.name = cluster.name;
        this._nuclei = new INucleus[0];
        this._clusters = new ClusterPrefab[1];
        this._clusters[0] = cluster;
    }

    public void AddNucleus() {
        if (this._nuclei.Length == 0) {
            Debug.LogError("Empty perceptoid array, cannot add");
            return;
        }
        int newLength = this._nuclei.Length + 1;
        INucleus[] newArray = new INucleus[newLength];

        for (int i = 0; i < this._nuclei.Length; i++)
            newArray[i] = this._nuclei[i];
        if (this._nuclei[0] is INucleus nucleus)
            newArray[newLength - 1] = (INucleus) nucleus.Clone();

        this._nuclei = newArray;
    }

    public void RemoveNucleus() {
        int newLength = this._nuclei.Length - 1;
        if (newLength == 0) {
            Debug.LogWarning("Perceptoid array cannot be empty");
            return;
        }
        INucleus[] newPerceptei = new INucleus[newLength];
        for (int i = 0; i < newLength; i++)
            newPerceptei[i] = this._nuclei[i];
        // Delete the last perception
        Neuron.Delete(this._nuclei[newLength]);

        this._nuclei = newPerceptei;
    }


}