using UnityEngine;

namespace SlimeRanger.Helpers
{
    internal class GUIHelper
    {
        private static float R;
        private static float G;
        private static float B;

        public static Color ColorPick(string title, Color color)
        {
            GUI.Label(new Rect(Screen.width - 120, 65, 100, 30), title);
            R = GUI.VerticalSlider(new Rect(Screen.width - 100, 90, 30, 100), color.r, 0f, 1f);
            G = GUI.VerticalSlider(new Rect(Screen.width - 70, 90, 30, 100), color.g, 0f, 1f);
            B = GUI.VerticalSlider(new Rect(Screen.width - 40, 90, 30, 100), color.b, 0f, 1f);
            GUI.Label(new Rect(Screen.width - 100, 190, 30, 30), "R");
            GUI.Label(new Rect(Screen.width - 70, 190, 30, 30), "G");
            GUI.Label(new Rect(Screen.width - 39, 190, 30, 30), "B");
            color = new Color(R, G, B, 1);
            GUI.color = color;

            void DrawPreview(Rect position, Color color_to_draw)
            {
                Texture2D texture = new Texture2D(1, 1);
                texture.SetPixel(0, 0, color);
                texture.Apply();
                GUI.skin.box.normal.background = texture;
                GUI.Box(position, GUIContent.none);
            }

            DrawPreview(new Rect(Screen.width - 130, 90, 20, 100), color);

            return color;
        }
    }
}