using System;
using System.Collections;
using System.Collections.Generic;
using Kill.Bluetooth;
using Kill.Bluetooth.Protocol;
using Kill.Core;
using Kill.Managers;
using Kill.UI.Components;
using UnityEngine;
using UnityEngine.UI;

namespace Kill.UI.Pages
{
    public class LightSettingPage : MonoBehaviour
    {
        public Switch switchLight;
        public MutiSelectPage typeSelect;
        public Text textType;
        public MutiSelectPage powerSelect;
        public Text textPower;
        public Button backButton;
        public Button typeSelectButton;
        public Button powerSelectButton;

        private List<string> typeKeyList { get; set; } = new List<string> { "100112", "100113" };
        private List<string> powerKeyList { get; set; } = new List<string> { "100114", "100115", "100116" };
        private List<string> typeStrList = new List<string>();
        private List<string> powerStrList = new List<string>();

        // 当前设置值
        private bool currentLightEnabled = false;
        private bool selectedLightEnabled = false;
        private FillLightType currentLightType = FillLightType.Infrared;
        private FillLightType selectedLightType = FillLightType.Infrared;
        private LightIntensity currentIntensity = LightIntensity.Medium;
        private LightIntensity selectedIntensity = LightIntensity.Medium;

        // 进入设置前的原始值（用于取消恢复）
        private bool originalLightEnabled = false;
        private FillLightType originalLightType = FillLightType.Infrared;
        private LightIntensity originalIntensity = LightIntensity.Medium;

        // 静态标志：是否有设置页面正在处理回调
        private static bool _isSettingPageActive = false;

        void Start()
        {
            // 初始化语言文本
            InitLanguageText();
            // 绑定按钮事件
            BindButtonEvents();
        }

        void OnEnable()
        {
            // 确保语言文本已初始化
            if (typeStrList.Count == 0 || powerStrList.Count == 0)
            {
                InitLanguageText();
            }
            // 页面显示时初始化
            InitLightSettingPage();
        }

        /// <summary>
        /// 初始化语言文本
        /// </summary>
        private void InitLanguageText()
        {
            typeStrList.Clear();
            powerStrList.Clear();

            foreach (var key in typeKeyList)
            {
                typeStrList.Add(LanguageManager.Instance.GetLanguage(key));
            }

            foreach (var key in powerKeyList)
            {
                powerStrList.Add(LanguageManager.Instance.GetLanguage(key));
            }
        }

        /// <summary>
        /// 绑定按钮事件
        /// </summary>
        private void BindButtonEvents()
        {
            // 绑定返回按钮
            if (backButton != null)
            {
                backButton.onClick.RemoveAllListeners();
                backButton.onClick.AddListener(OnBackButtonClick);
            }
            // 绑定类型选择按钮
            if (typeSelectButton != null)
            {
                typeSelectButton.onClick.RemoveAllListeners();
                typeSelectButton.onClick.AddListener(OnClickTypeSelect);
            }
            // 绑定功率选择按钮
            if (powerSelectButton != null)
            {
                powerSelectButton.onClick.RemoveAllListeners();
                powerSelectButton.onClick.AddListener(OnClickPowerSelect);
            }
        }

        /// <summary>
        /// 初始化灯光设置页面
        /// </summary>
        public void InitLightSettingPage()
        {
            Debug.Log("[LightSettingPage] 初始化灯光设置页面");

            // 注册蓝牙回调（顶替主页）
            RegisterBluetoothCallbacks();

            // 读取当前补光灯设置
            ReadLightSettings();
        }

        /// <summary>
        /// 注册蓝牙回调（顶替主页）
        /// </summary>
        private void RegisterBluetoothCallbacks()
        {
            if (BLECommunicationManager.Instance != null)
            {
                // 设置标志位，表示设置页面正在处理
                _isSettingPageActive = true;

                // 订阅事件
                BLECommunicationManager.Instance.OnFillLightControlReceived += OnFillLightControlReceived;

                Debug.Log("[LightSettingPage] 蓝牙回调已注册");
            }
        }

        /// <summary>
        /// 注销蓝牙回调（恢复主页）
        /// </summary>
        private void UnregisterBluetoothCallbacks()
        {
            if (BLECommunicationManager.Instance != null)
            {
                // 取消订阅事件
                BLECommunicationManager.Instance.OnFillLightControlReceived -= OnFillLightControlReceived;

                // 清除标志位
                _isSettingPageActive = false;

                Debug.Log("[LightSettingPage] 蓝牙回调已注销");
            }
        }

        /// <summary>
        /// 补光灯控制接收回调
        /// </summary>
        private void OnFillLightControlReceived(FillLightControl control)
        {
            // 只有当前设置页面激活时才处理
            if (!_isSettingPageActive) return;
            LoadingUI.Hide();

            currentLightEnabled = control.Enable;
            selectedLightEnabled = currentLightEnabled;
            originalLightEnabled = currentLightEnabled;

            currentLightType = control.LightType;
            selectedLightType = currentLightType;
            originalLightType = currentLightType;

            currentIntensity = control.Intensity;
            selectedIntensity = currentIntensity;
            originalIntensity = currentIntensity;

            Debug.Log($"[LightSettingPage] 读取补光灯设置: 开关={currentLightEnabled}, 类型={currentLightType}, 强度={currentIntensity}");

            // 更新UI显示
            UpdateUI();
        }

        /// <summary>
        /// 检查是否有设置页面正在处理回调
        /// </summary>
        public static bool IsSettingPageActive()
        {
            return _isSettingPageActive;
        }

        /// <summary>
        /// 读取补光灯设置
        /// </summary>
        private void ReadLightSettings()
        {
#if UNITY_EDITOR
            // 编辑器模式下使用假数据
            Editor_InitWithFakeData();
            return;
#endif

            // 显示Loading
            LoadingUI.Show();

            // 读取补光灯控制
            BLECommunicationManager.Instance?.ReadFillLightControl();

            // 超时保护
            StartCoroutine(ReadSettingsTimeout());
        }

#if UNITY_EDITOR
        /// <summary>
        /// 编辑器模式下使用假数据初始化
        /// </summary>
        private void Editor_InitWithFakeData()
        {
            Debug.Log("[LightSettingPage] 编辑器模式：使用假数据初始化");

            currentLightEnabled = true;
            selectedLightEnabled = true;
            currentLightType = FillLightType.White;
            selectedLightType = FillLightType.White;
            currentIntensity = LightIntensity.High;
            selectedIntensity = LightIntensity.High;

            UpdateUI();
        }
#endif

        /// <summary>
        /// 读取设置超时保护
        /// </summary>
        private IEnumerator ReadSettingsTimeout()
        {
            yield return new WaitForSeconds(5f);
            LoadingUI.Hide();
        }

        /// <summary>
        /// 更新UI显示
        /// </summary>
        private void UpdateUI()
        {
            // 初始化开关
            if (switchLight != null)
            {
                switchLight.Init(selectedLightEnabled, OnLightSwitchChanged);
            }

            // 更新类型文本
            UpdateTypeText();

            // 更新功率文本
            UpdatePowerText();
        }

        /// <summary>
        /// 更新类型文本
        /// </summary>
        private void UpdateTypeText()
        {
            if (textType == null) return;

            int typeIndex = (int)selectedLightType;
            if (typeIndex >= 0 && typeIndex < typeStrList.Count)
            {
                textType.text = typeStrList[typeIndex];
                Debug.Log($"[LightSettingPage] 更新类型文本: {typeStrList[typeIndex]}");
            }
            else
            {
                Debug.LogError($"[LightSettingPage] 无效的类型索引: {typeIndex}");
            }
        }

        /// <summary>
        /// 更新功率文本
        /// </summary>
        private void UpdatePowerText()
        {
            if (textPower == null) return;

            int powerIndex = (int)selectedIntensity;
            if (powerIndex >= 0 && powerIndex < powerStrList.Count)
            {
                textPower.text = powerStrList[powerIndex];
            }
        }

        /// <summary>
        /// 灯光开关状态改变回调
        /// </summary>
        private void OnLightSwitchChanged(bool isOn)
        {
            Debug.Log($"[LightSettingPage] 灯光开关: {(isOn ? "开" : "关")}");
            selectedLightEnabled = isOn;

#if UNITY_EDITOR
            Debug.Log("[LightSettingPage] 编辑器模式：模拟设置灯光开关");
            currentLightEnabled = selectedLightEnabled;
            return;
#endif

            // 发送设置到设备
            SendLightSettingToDevice();
        }

        /// <summary>
        /// 打开类型选择页面
        /// </summary>
        public void OnClickTypeSelect()
        {
            if (typeSelect == null) return;

            // 实例化选择页面
            MutiSelectPage selectPage = Instantiate(typeSelect, transform);
            int currentIndex = (int)selectedLightType;

            // 设置选项文本
            for (int i = 0; i < selectPage.options.Count && i < typeStrList.Count; i++)
            {
                Text optionText = selectPage.options[i].GetComponentInChildren<Text>();
                if (optionText != null)
                {
                    optionText.text = typeStrList[i];
                }
            }

            selectPage.Init(currentIndex, (selectedIndex) =>
            {
                Debug.Log($"[LightSettingPage] 选择类型: {selectedIndex}");
                selectedLightType = (FillLightType)selectedIndex;
                UpdateTypeText();

#if UNITY_EDITOR
                Debug.Log("[LightSettingPage] 编辑器模式：模拟设置灯光类型");
                currentLightType = selectedLightType;
                return;
#endif

                // 发送设置到设备
                SendLightSettingToDevice();
            });
            selectPage.gameObject.SetActive(true);
        }

        /// <summary>
        /// 打开功率选择页面
        /// </summary>
        public void OnClickPowerSelect()
        {
            if (powerSelect == null) return;

            // 实例化选择页面
            MutiSelectPage selectPage = Instantiate(powerSelect, transform);
            int currentIndex = (int)selectedIntensity;

            // 设置选项文本
            for (int i = 0; i < selectPage.options.Count && i < powerStrList.Count; i++)
            {
                Text optionText = selectPage.options[i].GetComponentInChildren<Text>();
                if (optionText != null)
                {
                    optionText.text = powerStrList[i];
                }
            }

            selectPage.Init(currentIndex, (selectedIndex) =>
            {
                Debug.Log($"[LightSettingPage] 选择功率: {selectedIndex}");
                selectedIntensity = (LightIntensity)selectedIndex;
                UpdatePowerText();

#if UNITY_EDITOR
                Debug.Log("[LightSettingPage] 编辑器模式：模拟设置灯光强度");
                currentIntensity = selectedIntensity;
                return;
#endif

                // 发送设置到设备
                SendLightSettingToDevice();
            });
            selectPage.gameObject.SetActive(true);
        }

        /// <summary>
        /// 发送灯光设置到设备
        /// </summary>
        private void SendLightSettingToDevice()
        {
            FillLightControl lightControl = new FillLightControl
            {
                Enable = selectedLightEnabled,
                LightType = selectedLightType,
                Intensity = selectedIntensity
            };

            BLECommunicationManager.Instance?.WriteFillLightControl(lightControl, (success) =>
            {
                Loom.QueueOnMainThread(() =>
               {
                   if (success)
                   {
                       Debug.Log($"[LightSettingPage] 灯光设置成功: 开关={selectedLightEnabled}, 类型={selectedLightType}, 强度={selectedIntensity}");
                       currentLightEnabled = selectedLightEnabled;
                       currentLightType = selectedLightType;
                       currentIntensity = selectedIntensity;
                   }
                   else
                   {
                       Debug.LogError("[LightSettingPage] 灯光设置失败");
                       // 设置失败，恢复UI显示
                       selectedLightEnabled = currentLightEnabled;
                       selectedLightType = currentLightType;
                       selectedIntensity = currentIntensity;
                       UpdateUI();
                   }
               });

            });
        }

        /// <summary>
        /// 返回按钮点击事件 - 直接关闭页面
        /// </summary>
        private void OnBackButtonClick()
        {
            Debug.Log("[LightSettingPage] 返回按钮点击，关闭页面");
            ClosePage();
        }

        /// <summary>
        /// 关闭页面
        /// </summary>
        public void ClosePage()
        {
            LoadingUI.Hide();
            // 注销蓝牙回调（恢复主页）
            UnregisterBluetoothCallbacks();

            Destroy(gameObject);
            NotifyHomePageRefresh();
            // 清除UIManager返回事件
            UIManager.Instance?.ClearBackAction();
        }

        /// <summary>
        /// 通知主页刷新
        /// </summary>
        private void NotifyHomePageRefresh()
        {
            // 通知主页刷新灯光显示
            HomePageCtrl.Instance?.RefreshLightControl();
        }
    }
}