using UnityEngine;
using UnityEditor;
using System.Collections.Generic;
using System;
using LitJson;
using UnityEngine.SceneManagement;
namespace FSM 
{
#if UNITY_EDITOR
    // 自定义属性抽屉，用于渲染下拉框
    [CustomPropertyDrawer(typeof(DropdownStringAttribute))]
    public class DropdownStringDrawer : PropertyDrawer
    {
        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
        {
            // 获取自定义属性
            DropdownStringAttribute dropdownAttribute = (DropdownStringAttribute)attribute;

            // 读取文件并获取选项
            string[] options = ReadOptionsFromFile(dropdownAttribute.filePath);

            // 显示下拉框
            int selectedIndex = Array.IndexOf(options, property.stringValue);
            if (selectedIndex == -1)
            {
                selectedIndex = 0; // 如果没有找到匹配的项，则默认选择第一个选项
            }

            selectedIndex = EditorGUI.Popup(position, label.text, selectedIndex, options);

            // 更新字段值
            if (selectedIndex >= 0)
            {
                property.stringValue = options[selectedIndex];
            }
        }

        // 读取文件并返回选项列表
        private string[] ReadOptionsFromFile(string filePath)
        {
            if (string.IsNullOrEmpty(filePath))
            {
                return null;
            }
            List<string> str = new();
            string folder = "";
            List<JsonData> data = JsonMapper.ToObject<List<JsonData>>(Resources.Load<TextAsset>(filePath).text);
            for (int i = 0; i < data.Count; i++)
            {
                if (SceneManager.GetActiveScene().name == data[i]["scene"].ToString())
                {
                    folder = data[i]["folder"].ToString();
                }
            }
            List<JsonData> data2 = JsonMapper.ToObject<List<JsonData>>(Resources.Load<TextAsset>(folder + "/ExcelData/ExcelToJson/StateData").text);
            for (int i = 0; i < data2.Count; i++)
            {
                if (!string.IsNullOrEmpty(data2[i]["state"].ToString()))
                {
                    str.Add(data2[i]["state"].ToString());
                }
            }
            return str.ToArray();
        }
    }
#endif
}