using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;

namespace ActionTool
{
    internal class ActionEditorStyles
    {
        public GUIStyle textBold;
        public GUIStyle selectObj;
        public GUIStyle textSmall;
        public GUIStyle boxToggle;
        public GUIStyle keyFrameButton;

        Texture2D m_SelectIcon;

        private static ActionEditorStyles s_instance;
        public static ActionEditorStyles Get()
        {
            bool flag = s_instance == null;
            if (flag)
            {
                s_instance = new ActionEditorStyles();
            }
            return s_instance;
        }

        private ActionEditorStyles()
        {
            m_SelectIcon = (Texture2D)Resources.Load<Texture2D>("select_white");
            m_SelectIcon.filterMode = FilterMode.Point;

            InitStyle(out textBold, GUI.skin.label, s => {
                s.fontStyle = FontStyle.Bold;
            });
            InitStyle(out selectObj, GUI.skin.button, s => {
                s.normal.background = m_SelectIcon;
                s.active.background = m_SelectIcon;
                s.focused.background = m_SelectIcon;
                s.hover.background = m_SelectIcon;
                s.normal.background = m_SelectIcon;
            });
            InitStyle(out textSmall,  GUI.skin.label, s => {
                s.fontSize = 8;
            });
            InitStyle(out boxToggle, EditorStyles.miniButtonLeft, s => {
                s.fontSize = 8;
                s.normal.textColor = Color.white;
                //s.normal.background = null;
                s.active.textColor = Color.white;
                //s.active.background = null;
            });
            InitStyle(out keyFrameButton, GUI.skin.button, s => {
                s.fontSize = 8;
            });
        }

        private delegate void Initter(GUIStyle style);
        private static void InitStyle(out GUIStyle normal, GUIStyle other, Initter initter)
        {
            normal = new GUIStyle(other);
            initter(normal);
        }
        private static void InitStyle(out GUIStyle normal, Initter initter)
        {
            normal = new GUIStyle();
            initter(normal);
        }

    }
}