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

namespace ActionTool
{

    public class ActionEditor : EditorWindow
    {
        [MenuItem("Custom/ActionTool/Open")]
        static void OpenTools()
        {
            ActionManager.AnimationWindow = GetWindow<ActionEditor>();
        }

        private string m_SearchText;

        public void OnEnable()
        {

        }

        public void OnDisable()
        {
        }

        public void OnGUI()
        {
            GUILayout.Space(5);
            GUI_SelectUnit();
            GUILayout.Space(5);
            GUI_AnimationList();
            GUILayout.Space(5);
        }

        private void GUI_SelectUnit()
        {
            if(ActionManager.CurrentUnit == null)
            {
                EditorGUILayout.HelpBox("选择角色prefab", MessageType.Warning);
            }

            GUILayout.BeginHorizontal();

            GameObject selectObj = EditorGUILayout.ObjectField(ActionManager.CurrentUnit, typeof(GameObject), false, GUILayout.Width(position.width - 160)) as GameObject;

            if(selectObj != ActionManager.CurrentUnit)
            {
                ActionManager.OnSelectObj(selectObj);
            }

            if (GUILayout.Button("Select", GUILayout.Width(70)))
            {

            }

            if (GUILayout.Button("Reimport", GUILayout.Width(70)))
            {

            }

            GUILayout.EndHorizontal();
        }

        private Vector2 m_AnimtionListScroll;
        private void GUI_AnimationList()
        {
            if (!ActionManager.HasSelectObj())
                return;

            string unitName = ActionManager.GetUnitName();

            EditorGUILayout.LabelField("Animation List");

            m_SearchText = GUILayout.TextField(m_SearchText, "SearchTextField", GUILayout.Width(position.width - 20)).ToLower();
             
            string animFolder = ActionManager.s_AnimFolder + unitName + "/";

            string[] animfiles = Directory.GetFiles(animFolder);

            if (animfiles != null && animfiles.Length > 0)
            {
                GUIStyle style = GUI.skin.GetStyle("Button");
                TextAnchor prevAnchor = style.alignment;
                TextClipping prevClipping = style.clipping;
                bool prevRichText = style.richText;
                style.alignment = TextAnchor.MiddleCenter;
                style.clipping = TextClipping.Overflow;
                style.richText = true;

                m_AnimtionListScroll = EditorGUILayout.BeginScrollView(m_AnimtionListScroll);

                for (int i = 0; i < animfiles.Length; ++i)
                {
                    string file = animfiles[i];
                    if (file.Contains(".meta"))
                        continue;
                    string animName = Path.GetFileNameWithoutExtension(file);
                    bool show = m_SearchText == string.Empty || m_SearchText == "" || animName.ToLower().Contains(m_SearchText);
                    if (!show)
                        continue;
                    bool bChecked = ActionManager.CurrentAnimationName == animName;
                    bool check = GUILayout.Toggle(bChecked, animName, style, GUILayout.Height(15));
                    if (check && ActionManager.CurrentAnimationName != animName)
                        ActionManager.OnSelectAnimation(animName);
                }

                EditorGUILayout.EndScrollView();

                style.alignment = prevAnchor;
                style.clipping = prevClipping;
                style.richText = prevRichText;
            }

        }

    }
}