using System;
using UnityEngine;
using UnityEditor;

namespace qtools.qhierarchy.phelper
{
    public class QColorUtils
    {
        private static Color defaultColor = new Color(1.0f, 1.0f, 1.0f, 1.0f);

        public static void setDefaultColor(Color defaultColor)
        {
            QColorUtils.defaultColor = defaultColor;
        }

        public static void setColor(Color newColor)
        {
            GUI.color = newColor;
        }

        public static void setColor(Color newColor, float multiColor, float multiAlpha)
        {
            newColor.r *= multiColor;
            newColor.g *= multiColor;
            newColor.b *= multiColor;
            newColor.a *= multiAlpha;
            GUI.color = newColor;
        }

        public static void clearColor()
        {
            GUI.color = defaultColor;
        }

        public static Color fromString(string color)
        {
            return fromInt(Convert.ToUInt32(color,16));
        }
        
        public static string toString(Color color)
        {
            uint intColor = toInt(color);
            return intColor.ToString("X8");
        }

        public static Color fromInt(uint color)
        {
            return new Color(((color >> 16) & 0xFF) / 255.0f,
                             ((color >>  8) & 0xFF) / 255.0f,
                             ((color >>  0) & 0xFF) / 255.0f,
                             ((color >> 24) & 0xFF) / 255.0f);
        }
        
        public static uint toInt(Color color)
        {
            return  (uint)((byte)(color.r * 255) << 16) + 
                    (uint)((byte)(color.g * 255) << 8) + 
                    (uint)((byte)(color.b * 255) << 0) + 
                    (uint)((byte)(color.a * 255) << 24);
        }
    }
}