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

public class CubeController : TripsitterAve {
    public GameObject prefab;

    public float minSize = 2;
    public float maxSize = 4;
    public Material cubeMat;
    public Material cubeMatLit;

    private Texture2D texture;
    private Color[] colourCache;


    void Start() {
        CreateCubes(0f, 0f, 0f, 100f, 50f, 100f);
    }

    void Update() {
        UpdateTexture();
    }

    private void InitialiseTexture() {
            Debug.Log("Reinitialising spectrum texture...");
            texture = new Texture2D(SpectrumSize, 1, TextureFormat.RFloat, false);
            colourCache = new Color[SpectrumSize];
            texture.name = $"AudioSpectrumData{SpectrumSize}";
        }

    private void UpdateTexture() {
        // init
        if (texture == null) InitialiseTexture();
        var spectrumData = GetSpectrumData();

        for (int i = 0; i < SpectrumSize; i++) {
            colourCache[i] = new Color(spectrumData[i], 0, 0, 0);
        }

        texture.SetPixels(colourCache);
        texture.Apply();

        cubeMat.SetTexture("_AudioTexture", texture);
    }

    // bool IsLeft(GameObject cube) {
    //     float up = cube.transform.up;
    //     return up < yBottom && up > yTop;
    // }

    // bool IsRight(GameObject cube) {
    //     float up = cube.transform.up;
    //     return up < yBottom && up > yTop;
    // }

    // bool IsBottom(GameObject cube) {
    //     float up = cube.transform.up;
    //     return up < yBottom && up > yTop;
    // }

    // bool IsTop(GameObject cube) {
    //     float up = cube.transform.up;
    //     return up < yBottom && up > yTop;
    // }

    void CreateCubes(float currentX, float currentZ, float currentY, float xWidth, float yWidth, float zWidth) {
        float xMargin = 10;
        float yMargin = 5;
        float zMargin = 10;
        float xLeft = xMargin;
        float xRight = xWidth - xMargin;
        float yBottom = yMargin;
        float yTop = yWidth - yMargin;
        float zBack = zWidth - zMargin;

        // int i = 0;

        while (currentY < yWidth) {
            while (currentZ < zWidth) {
                while (currentX < xWidth) {

                    bool ok = currentX < xLeft ||
                            currentX > xRight ||
                            currentY < yBottom ||
                            currentY > yTop ||
                            currentZ > zBack;
                    float size = Random.Range(minSize, maxSize);

                    if (ok) {
                        GameObject cube = GameObject.Instantiate(prefab);
                        cube.transform.parent = gameObject.transform;
                        cube.transform.localScale *= size;
                        float x = currentX + (size / 2f);
                        float y = currentY + (size / 2f);
                        if (currentY > yTop) y = currentY - (size / 2f);
                        float z = currentZ + (size / 2f);
                        if (currentZ > zBack) z = currentZ - (size / 2f);

                        cube.transform.Translate(x, y, z);

                        if (Random.Range(0, 100) > 70) cube.GetComponent<Renderer>().material = cubeMatLit;
                    }

                    currentX = currentX + size;
                }

                currentX = 0;
                currentZ = currentZ + maxSize;
            }
            currentZ = 0;
            currentY = currentY + maxSize;
        }
    }
}