/* ---------------------------------------
 * Author:          Martin Pane (martintayx@gmail.com) (@tayx94)
 * Contributors:    https://github.com/Tayx94/graphy/graphs/contributors
 * Project:         Graphy - Ultimate Stats Monitor
 * Date:            05-Mar-18
 * Studio:          Tayx
 *
 * Git repo:        https://github.com/Tayx94/graphy
 *
 * This project is released under the MIT license.
 * Attribution is not required, but it is always welcomed!
 * -------------------------------------*/

using UnityEngine;
using UnityEngine.UI;

namespace Tayx.Graphy.CustomizationScene
{
	public class ForceSliderToPowerOf2 : MonoBehaviour
	{
        #region Variables -> Serialized Private

        [SerializeField] private Slider m_slider = null;

        #endregion

        #region Variables -> Private

        private int[] m_powerOf2Values =
		{
			128,
			256,
			512,
			1024,
			2048,
			4096,
			8192
		};
		
		private Text m_text;

        #endregion

        #region Methods -> Unity Callbacks

        void Update()
        {
            int closestSpectrumIndex = 0;
            int minDistanceToSpectrumValue = 100000;

            //TO: Put the int cast outside of the loop.
            for ( int i = 0; i < m_powerOf2Values.Length; i++ )
            {
                int newDistance = Mathf.Abs( (int)m_slider.value - m_powerOf2Values[ i ] );
                if ( newDistance < minDistanceToSpectrumValue )
                {
                    minDistanceToSpectrumValue = newDistance;
                    closestSpectrumIndex = i;
                }
            }

            m_slider.value = m_powerOf2Values[ closestSpectrumIndex ];
        }

		#endregion
    }
}