using System;
using UnityEngine;
using UnityEngine.Tilemaps;
using UnityEngine.UI;
 
public partial class ClickTest : MonoBehaviour
{
    public void UpdateGrayscale()
    {
        for (int i = 0; i < this.xMax; i++)
        {
            for (int j = 0; j < this.yMax; j++)
            {
                Vector3Int position = new Vector3Int(i, j, 0);
 
                int saved = this.savedGridValues[i, j];
                int target = this.mainGridValues[i, j];
 
                bool isEmpty = saved == -1;
                bool isCorrect = saved == target;
                bool isWrong = !isEmpty && !isCorrect;
                bool isSelectedTarget = target == this.selectedColourID;
 
                Color color;
 
                if (isCorrect)
                {
                    color = this.crossLevel.colours[saved - 1];
                }
                else if (isSelectedTarget)
                {
                    color = Color.grey;
                }
                else if (!isEmpty)
                {
                    color = this.crossLevel.colours[saved - 1];
                    if (this.crossLevel.grayscale)
                    {
                        color = color.CheckGrayScale(this.crossLevel);
                    }
 
                    if (this.crossLevel.highContrast >= 2 && isWrong)
                    {
                        color = Color.white;
                    }
                }
                else
                {
                    color = Color.white;
                }
                color.r = this.Clamp(color.r, 0.2f, 1f);
                color.g = this.Clamp(color.g, 0.2f, 1f);
                color.b = this.Clamp(color.b, 0.2f, 1f);
 
                this.tilemap.SetTileFlags(position, TileFlags.None);
                this.tilemap.SetColor(position, color);
            }
        }
    }
}