using System.Collections;
using System.Collections.Generic;
using Ichni.UI;
using TMPro;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.Serialization;
using UnityEngine.UI;

namespace Ichni.Menu
{
    public partial class RebindingWindow : SettingsWindow
    {
        public InputActionAsset inputActions;
        
        public Dictionary<string, List<RebindActionData>> rebindActions;
        public TextButton resetButton;
        
        public string rebindsFilePath => Application.persistentDataPath + "/GameData/Rebindings.json";
        public InputActionRebindingExtensions.RebindingOperation rebindingOperation;
        
        public override void Initialize()
        {
            // 为每个需要重绑定的动作按钮添加监听器
            foreach (RebindActionData data in rebindActions["Keyboard"])
            {
                // 在C# 8.0+ 中，可以使用静态匿名函数来避免闭包分配
                data.rebindButton.SetUp(data.title, data.subtitle, data.actionName, data.bindingIndex);
            }

            resetButton.SetUp("Menu UI/Settings_ResetRebinding", "", "Menu UI/Settings_Confirm");
            resetButton.updateValueAction = ResetAllBindings;
        }

        public override void SetValuesFromSettings()
        {
            LoadBindings();
        }

        public override void SwitchOut()
        {
            rebindingOperation?.Dispose();
        }
    }

    public partial class RebindingWindow
    {
        public void LoadBindings()
        {
            // 检查EasySave中是否存在存档
            if (ES3.FileExists(rebindsFilePath))
            {
                string rebindsJson = ES3.Load<string>("Rebinds", rebindsFilePath);
                inputActions.LoadBindingOverridesFromJson(rebindsJson);
                Debug.Log("键位已从EasySave加载。");
            }
            else
            {
                Debug.Log("未找到已保存的键位，使用默认设置。");
            }
        
            // 刷新所有UI显示
            UpdateAllButtonUIText();
        }
        
        public void SaveBindings()
        {
            string rebindsJson = inputActions.SaveBindingOverridesAsJson();
            ES3.Save("Rebinds", rebindsJson, rebindsFilePath);
            Debug.Log("键位已保存到EasySave。");
        }
    }

    public partial class RebindingWindow
    {
        // 重置所有键位到默认
        public void ResetAllBindings()
        {
            // 移除所有覆盖（即恢复到Asset文件中的原始设置）
            inputActions.RemoveAllBindingOverrides();

            // 从EasySave中删除存档
            if (ES3.KeyExists("Rebind", rebindsFilePath))
            {
                ES3.DeleteKey("Rebind", rebindsFilePath);
            }

            Debug.Log("所有键位已重置为默认值。");

            // 更新UI
            UpdateAllButtonUIText();
        }
    }

    public partial class RebindingWindow
    {
        // 更新所有按钮的UI文本
        private void UpdateAllButtonUIText()
        {
            foreach (RebindActionData data in rebindActions["Keyboard"])
            {
                data.UpdateUIText();
            }
        }
    }
    
    [System.Serializable]
    public class RebindActionData
    {
        public string title;
        [FormerlySerializedAs("description")] public string subtitle;
        
        [Tooltip("必须与Input Actions Asset中的Action名称完全匹配")]
        public string actionName;
    
        [Tooltip("该Action要修改的绑定索引。主绑定通常是0")]
        public int bindingIndex = 0;

        [Tooltip("用于触发重绑定的按钮")]
        public KeyRebindButton rebindButton;
        
        public void UpdateUIText()
        {
            rebindButton.UpdateUIText(actionName, bindingIndex);
        }
    }

}