using System.Linq;
using AibisDream.Framework;
using UnityEditor;
using UnityEngine;


namespace AibisDream.SystemEditor
{
    [CustomEditor(typeof(SpriteGroupKit))]
    public class SpriteGroupEditor : Editor
    {
        private int _stateIdx;
        private string _curState;

        public override void OnInspectorGUI()
        {
            // 获取对象
            var example = (SpriteGroupKit)target;

            // 先绘制默认的 Inspector
            DrawDefaultInspector();

            #region 画UI

            LoadUIPart(example); // 加载
            EditorGUILayout.Separator();
            SwitchStateUIPart(example); // 状态管理
            EditorGUILayout.Separator();
            ReorderLayer(example); // 重排序
            EditorGUILayout.Separator();
            SaveUIPart(example); // 保存
            

            #endregion
        }

        private void LoadUIPart(SpriteGroupKit example)
        {
            EditorGUILayout.LabelField("加载图片集", EditorKit.BoldFont);

            example.config.key = EditorGUILayout.TextField("唯一索引", example.config.key);
            example.spriteGroup =
                EditorGUILayout.ObjectField("PSD文件", example.spriteGroup, typeof(GameObject), true) as GameObject;

            #region 加载按钮

            EditorGUILayout.BeginHorizontal();
            
            if (GUILayout.Button("按PSD加载"))
            {
                if (example.spriteGroup)
                {
                    var option = ShowWarningDialog();
                    if (option == 0)
                    {
                        example.InstantiateByPsd();
                        ReLoad();
                    }
                }
                else
                {
                    Debug.Log("PSD没有设置");
                }
            }

            if (GUILayout.Button("按索引加载"))
            {
                if (!string.IsNullOrEmpty(example.config.key))
                {
                    var option = ShowWarningDialog();
                    if (option == 0)
                    {
                        example.InstantiateByConfig();
                        ReLoad();
                    }
                }
                else
                {
                    Debug.Log("PSD没有设置");
                }
            }

            EditorGUILayout.EndHorizontal();

            #endregion
        }

        private void SwitchStateUIPart(SpriteGroupKit example)
        {
            EditorGUILayout.LabelField("状态切换", EditorKit.BoldFont);

            EditorGUILayout.BeginHorizontal();

            var stateArray = example.config.stateDict.Keys.ToArray();
            var newIndex = EditorGUILayout.Popup(_stateIdx, stateArray);
            _curState = EditorGUILayout.TextField(_curState);

            if (newIndex != _stateIdx && newIndex >= 0 && newIndex < stateArray.Length)
            {
                _stateIdx = newIndex;
                _curState = stateArray[newIndex];
            }

            EditorGUILayout.EndHorizontal();

            EditorGUILayout.BeginHorizontal();
            if (GUILayout.Button("保存为状态"))
            {
                OnSaveStateClick(example);
            }

            if (GUILayout.Button("加载状态"))
            {
                OnLoadStateClick(example);
            }

            EditorGUILayout.EndHorizontal();
        }

        private void OnSaveStateClick(SpriteGroupKit example)
        {
            if (!string.IsNullOrEmpty(_curState))
            {
                example.SaveState(_curState);
            }
            else
            {
                Debug.Log("状态名不能为空");
            }
        }
        
        private void OnLoadStateClick(SpriteGroupKit example)
        {
            if (!string.IsNullOrEmpty(_curState) && example.config.stateDict.ContainsKey(_curState))
            {
                EditorKit.RecordObjectAndChildren(example.gameObject, "加载状态");
                example.SwitchState(_curState);
                EditorUtility.SetDirty(example);
            }
            else
            {
                Debug.Log("状态名不能为空");
            }
        }

        private void ReorderLayer(SpriteGroupKit example)
        {
            EditorGUILayout.LabelField("显示层级", EditorKit.BoldFont);
            example.config.layerId = EditorKit.SortingLayerField("目标层级", example.config.layerId);
            EditorGUILayout.BeginHorizontal();
            
            example.config.maxLayer = EditorGUILayout.IntField("max", example.config.maxLayer);
            example.config.minLayer = EditorGUILayout.IntField("min", example.config.minLayer);
            EditorGUILayout.EndHorizontal();
            if (GUILayout.Button("重排序"))
            {
                EditorKit.RecordObjectAndChildren(example.gameObject, "重新排序");
                example.Reorder();
                EditorUtility.SetDirty(example);
            }
        }

        private void SaveUIPart(SpriteGroupKit example)
        {
            EditorGUILayout.LabelField("保存图片集", EditorKit.BoldFont);
            if (GUILayout.Button("保存"))
            {
                example.SaveSpriteGroup();
            }
            
            if (GUILayout.Button("刷新"))
            {
                Repaint();
            }
        }

        private void ReLoad()
        {
            // 清空编辑器数据
            _stateIdx = -1;
            _curState = "";
        }

        private int ShowWarningDialog()
        {
            return EditorUtility.DisplayDialogComplex(
                "Warning",
                "点击后会清除当前的图集，请提前保存",
                "OK",
                "Cancel",
                string.Empty
            );
        }
    }
}