using UnityEngine;
using System.Collections;

public class Reel : MonoBehaviour
{
    public Sprite maskSprite; // The sprite to use as the mask
    public Sprite[] faces; // Array of face sprites
    public float faceSpriteSize = 1.0f; // Size of the face sprites
    public float spacing = 0.5f; // Spacing between the face sprites
    public float baseSpinSpeed = 5.0f; // Base speed at which the faces move
    public float minSpinTime = 2.0f; // Minimum spin time
    public float maxSpinTime = 5.0f; // Maximum spin time

    private void Start()
    {
        BuildReel();
    }

    public void BuildReel()
    {
        // Add and configure mask
        GameObject maskObj = new GameObject("Mask");
        maskObj.transform.SetParent(transform);
        maskObj.transform.localPosition = Vector3.zero;

        // Add a SpriteRenderer to the mask object
        SpriteRenderer maskRenderer = maskObj.AddComponent<SpriteRenderer>();
        maskRenderer.sprite = maskSprite;
        maskRenderer.sortingLayerName = "Masks";
        maskRenderer.sortingOrder = 0;

        // Add and configure the SpriteMask
        SpriteMask mask = maskObj.AddComponent<SpriteMask>();
        mask.sprite = maskSprite;
        mask.isCustomRangeActive = true;
        mask.frontSortingOrder = maskRenderer.sortingOrder;
        mask.backSortingOrder = maskRenderer.sortingOrder - 1;

        // Create and position face objects
        float reelHeight = (faces.Length - 1) * (faceSpriteSize + spacing);
        for (int i = 0; i < faces.Length; i++)
        {
            GameObject faceObj = new GameObject("Face" + (i + 1));
            faceObj.transform.SetParent(transform);
            faceObj.transform.localPosition = new Vector3(0, reelHeight / 2 - i * (faceSpriteSize + spacing), 0);

            SpriteRenderer faceRenderer = faceObj.AddComponent<SpriteRenderer>();
            faceRenderer.sprite = faces[i];
            faceRenderer.sortingLayerName = "Reels";
            faceRenderer.sortingOrder = i + 1;
            faceRenderer.maskInteraction = SpriteMaskInteraction.VisibleInsideMask;
            faceRenderer.enabled = true;
        }
    }

    public void StartSpin()
    {
        StartCoroutine(SpinReel());
    }

    private IEnumerator SpinReel()
    {
        float spinTime = Random.Range(minSpinTime, maxSpinTime);
        float spinSpeed = baseSpinSpeed * Random.Range(0.8f, 1.2f);
        float elapsed = 0.0f;
        float reelHeight = (faces.Length - 1) * (faceSpriteSize + spacing);

        while (elapsed < spinTime)
        {
            elapsed += Time.deltaTime;
            for (int i = 0; i < faces.Length; i++)
            {
                Transform faceTransform = transform.GetChild(i);
                SpriteRenderer faceRenderer = faceTransform.GetComponent<SpriteRenderer>();

                float newY = faceTransform.localPosition.y - (spinSpeed * Time.deltaTime);
                faceTransform.localPosition = new Vector3(faceTransform.localPosition.x, newY, faceTransform.localPosition.z);

                faceRenderer.enabled = faceTransform.localPosition.y <= reelHeight / 2 && faceTransform.localPosition.y >= -reelHeight / 2;

                if (faceTransform.localPosition.y < -reelHeight / 2)
                {
                    faceTransform.localPosition = new Vector3(faceTransform.localPosition.x, reelHeight / 2, faceTransform.localPosition.z);
                }
            }
            yield return null;
        }

        int winningIndex = Random.Range(0, faces.Length);
        Transform winningFace = transform.GetChild(winningIndex);
        float centerY = 0;
        winningFace.localPosition = new Vector3(winningFace.localPosition.x, centerY, winningFace.localPosition.z);

        for (int i = 0; i < faces.Length; i++)
        {
            if (i != winningIndex)
            {
                Transform faceTransform = transform.GetChild(i);
                float offset = (i - winningIndex) * (faceSpriteSize + spacing);
                faceTransform.localPosition = new Vector3(faceTransform.localPosition.x, centerY + offset, faceTransform.localPosition.z);
            }
        }

        Debug.Log("Winning Face: " + faces[winningIndex].name);
    }
}