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

public class ConnectDevicePageCtrl : MonoBehaviour
{
    /// <summary>
    /// 0连接 1 失败 2 成功 3 选择wifi
    /// </summary>
    public GameObject[] sonPages;
    public GameObject topBar;
    public string blueToothNameKeyWord;
    private List<BluetoothDevice> deviceList = new List<BluetoothDevice>();
    public Button backButton;
    public Button skipButton;
    public GameObject titleText;
    public GameObject scanningIcon;
    void Start()
    {
        BluetoothManager.Instance.OnDeviceFound += OnDeviceFound;
        BluetoothManager.Instance.OnConnectedSuccess += OnDeviceConnected;
        BluetoothManager.Instance.OnConnectFailed += OnConnectFailed;
        BluetoothManager.Instance.OnDisconnected += OnDeviceDisconnected;
        EnterConnectPage();
    }
    void OnDestroy()
    {
        BluetoothManager.Instance.OnDeviceFound -= OnDeviceFound;
        BluetoothManager.Instance.OnConnectedSuccess -= OnDeviceConnected;
        BluetoothManager.Instance.OnConnectFailed -= OnConnectFailed;
        BluetoothManager.Instance.OnDisconnected -= OnDeviceDisconnected;
    }
    public void EnterConnectPage()
    {
        OnStopScanClick();
        if(BluetoothManager.Instance.IsConnected)
            BluetoothManager.Instance.Disconnect();
        topBar.SetActive(true);
        titleText.SetActive(false);
        backButton.onClick.RemoveAllListeners();
        backButton.onClick.AddListener(BackToHomePage);
        backButton.gameObject.SetActive(true);
        skipButton.gameObject.SetActive(false);
        foreach(GameObject g in sonPages)
            g.gameObject.SetActive(false);
        sonPages[0].SetActive(true);
        UIManager.Instance.RegisterBackAction(BackToHomePage);
        OnScanClick();
    }
    public GameObject qrCodePlane;
    public void ScanQrCode()
    {
        qrCodePlane.SetActive(true);
        qrCodePlane.GetComponent<ScanQRcode>().OnQRCodeScanned+=GetQrResult;
    }
    public void GetQrResult(string result)
    {
        BluetoothManager.Instance.Connect(result);
        LoadingUI.Show();
        qrCodePlane.SetActive(false);
        nowDeviceMac=result;
    }

    string errorTip="";
    private void ShowErrorPage()
    {
        if(BluetoothManager.Instance.IsConnected)
            BluetoothManager.Instance.Disconnect();
        topBar.SetActive(false);
        foreach(GameObject g in sonPages)
            g.gameObject.SetActive(false);
        sonPages[1].SetActive(true);
        Text errorText=sonPages[1].transform.Find("提示").GetComponent<Text>();
        if(errorTip!="")
        {
            errorText.text=LanguageManager.Instance.GetLanguage(errorTip);
        }
        else
        {
            errorText.text=LanguageManager.Instance.GetLanguage("100069");
        }
        UIManager.Instance.RegisterBackAction(EnterConnectPage);
        LoadingUI.Hide();
    }
    public InputField wifiNameInput;
    public InputField wifiPasswordInput;

    public void ShowWifiPage()
    {
        topBar.SetActive(true);
        titleText.SetActive(true);
        backButton.gameObject.SetActive(false);
        UIManager.Instance.ClearBackAction();
        skipButton.gameObject.SetActive(true);
        foreach(GameObject g in sonPages)
            g.gameObject.SetActive(false);
        sonPages[3].SetActive(true);
        
        // 获取当前 WiFi 名称
        string wifiName = GetCurrentWiFiName();
        wifiNameInput.text = wifiName ?? "";
        wifiPasswordInput.text="";

       
    }

    /// <summary>
    /// 确认配置 WiFi
    /// </summary>
    public void OnWifiConfirmClick()
    {
        string ssid = wifiNameInput.text.Trim();
        string password = wifiPasswordInput.text;

        if (string.IsNullOrEmpty(ssid))
        {
            ToastUI.ShowText(LanguageManager.Instance.GetLanguage("100071") ?? "请输入WiFi名称");
            return;
        }

        // 创建 WiFi 配置
        var wifiControl = new Kill.Bluetooth.Protocol.WIFIControl
        {
            Enable = true,
            SSID = ssid,
            Password = password
        };

        LoadingUI.Show();

        // 发送 WiFi 配置到设备
        BLECommunicationManager.Instance.WriteWIFIControl(wifiControl, (success) =>
        {
            Loom.QueueOnMainThread(() =>
            {
                LoadingUI.Hide();
                if (success)
                {
                    UnityEngine.Debug.Log("WiFi 配置成功");
                    ShowSuccessPage();
                }
                else
                {
                    ToastUI.ShowText(LanguageManager.Instance.GetLanguage("100072") ?? "WiFi配置失败");
                }
            });
        });
    }
    /// <summary>
    /// 0不可点击 1可点击
    /// </summary>
    public GameObject[] wifiConfirmButtons;
    public void CheckWifiNameAndPassword()
    {
       string ssid = wifiNameInput.text.Trim();
       string password = wifiPasswordInput.text;
       if(string.IsNullOrEmpty(ssid) || string.IsNullOrEmpty(password))
       {
           wifiConfirmButtons[0].SetActive(true);
           wifiConfirmButtons[1].SetActive(false);
       }
       else
       {
           wifiConfirmButtons[0].SetActive(false);
           wifiConfirmButtons[1].SetActive(true);
       }
    }

    /// <summary>
    /// 获取当前连接的 WiFi 名称
    /// </summary>
    private string GetCurrentWiFiName()
    {
#if UNITY_ANDROID && !UNITY_EDITOR
        try
        {
            using (AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
            using (AndroidJavaObject currentActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity"))
            using (AndroidJavaObject wifiManager = currentActivity.Call<AndroidJavaObject>("getSystemService", "wifi"))
            {
                if (wifiManager == null) return null;
                
                using (AndroidJavaObject wifiInfo = wifiManager.Call<AndroidJavaObject>("getConnectionInfo"))
                {
                    if (wifiInfo == null) return null;
                    
                    string ssid = wifiInfo.Call<string>("getSSID");
                    if (!string.IsNullOrEmpty(ssid) && ssid != "<unknown ssid>")
                    {
                        return ssid.Trim('"');
                    }
                }
            }
        }
        catch (System.Exception ex)
        {
            Debug.LogError($"获取 WiFi 名称失败: {ex.Message}");
        }
        return null;
#elif UNITY_IOS && !UNITY_EDITOR
        // iOS 调用原生插件
        return GetWiFiNameIOS();
#else
        return "Editor_WiFi"; // 编辑器返回模拟值
#endif
    }

#if UNITY_IOS && !UNITY_EDITOR
    [System.Runtime.InteropServices.DllImport("__Internal")]
    private static extern System.IntPtr GetWiFiSSID();

    /// <summary>
    /// iOS 获取 WiFi 名称
    /// </summary>
    private string GetWiFiNameIOS()
    {
        try
        {
            System.IntPtr ptr = GetWiFiSSID();
            if (ptr == System.IntPtr.Zero)
            {
                return null;
            }
            string ssid = System.Runtime.InteropServices.Marshal.PtrToStringAnsi(ptr);
            // 释放内存
            System.Runtime.InteropServices.Marshal.FreeHGlobal(ptr);
            return ssid;
        }
        catch (System.Exception ex)
        {
            Debug.LogError($"iOS 获取 WiFi 名称失败: {ex.Message}");
            return null;
        }
    }
#endif
    public void ShowSuccessPage()
    {
        topBar.SetActive(false);
        foreach(GameObject g in sonPages)
            g.gameObject.SetActive(false);
        sonPages[2].SetActive(true);
        UIManager.Instance.RegisterBackAction(EnterConnectPage);
    }
    private void OnDeviceFound(BluetoothDevice device)
    {
        if(string.IsNullOrEmpty(device.Name))
            return;
        AddOneDevice(device);
        
    }
    private void OnDeviceConnected()
    {
        if (selectedIndex >= 0 && selectedIndex < deviceObjects.Count)
        {
            deviceObjects[selectedIndex].transform.Find("状态").Find("loading").gameObject.SetActive(false);
            deviceObjects[selectedIndex].transform.Find("状态").Find("成功").gameObject.SetActive(true);
        }
        // 延迟 500ms 再查询，确保 BLE 连接完全就绪
        StartCoroutine(DelayedQueryRegistration());
        isconnecting =false;
    }

    /// <summary>
    /// 延迟查询注册状态
    /// </summary>
    private System.Collections.IEnumerator DelayedQueryRegistration()
    {
        yield return new WaitForSeconds(0.5f);
        OnQueryRegistrationClick();
    }

    private void OnConnectFailed(string address)
    {
        if(!isconnecting)
            return;
        errorTip="100069";
        ShowErrorPage();
        isconnecting=false;
    }

    private void OnDeviceDisconnected(string address)
    {
        // UpdateStatus($"已断开连接: {address}");
        // if (deviceStatusText != null)
        //     deviceStatusText.text = "未连接";
    }
    public List<GameObject> deviceObjects;
    /// <summary>
    /// 开始扫描
    /// </summary>
    public void OnScanClick()
    {
        scanningIcon.SetActive(true);
        devicePrefab.SetActive(false);
        if (BluetoothManager.Instance != null)
        {
            // 清空列表
            deviceList.Clear();
            if (deviceObjects != null && deviceObjects.Count > 0)
            {
                foreach (var item in deviceObjects)
                {
                    Destroy(item);
                }
                deviceObjects.Clear();
            }
            deviceObjects = new List<GameObject>();
            BluetoothManager.Instance.StartScan(999f); // 扫描999秒
        }
    }
    public GameObject deviceListParent;
    public GameObject devicePrefab;
    public GameObject deviceListUi;
    bool isconnecting=false;
    public void AddOneDevice(BluetoothDevice device)
    {
        if (deviceList.Contains(device))
            return;
        if(!device.Name.Contains(blueToothNameKeyWord))
            return;
        if(!deviceListUi.activeSelf)
            deviceListUi.SetActive(true);
        deviceList.Add(device);
        GameObject deviceObject = Instantiate(devicePrefab, deviceListParent.transform);
        deviceObject.transform.Find("name").GetComponent<Text>().text=device.Name;
        deviceObject.SetActive(true);
        deviceObjects.Add(deviceObject);
        int index = deviceObjects.Count-1;
        deviceObject.GetComponent<Button>().onClick.AddListener(() =>ClickOneDevice(index));
        isconnecting=true;
    }
    int selectedIndex=-1;
    string nowDeviceMac="";
    public void ClickOneDevice(int index)
    {
        if (BluetoothManager.Instance == null) return;
        OnStopScanClick();
        selectedIndex = index;
        if (selectedIndex >= 0 && selectedIndex < deviceList.Count)
        {
            var device = deviceList[selectedIndex];
            Debug.Log("设备mac:"+device.Address);
            nowDeviceMac=device.Address;
            BluetoothManager.Instance.Connect(device.Address);
            LoadingUI.Show();
            deviceObjects[index].transform.Find("状态").Find("loading").gameObject.SetActive(true);
        }
    }

    /// <summary>
    /// 停止扫描
    /// </summary>
    public void OnStopScanClick()
    {
        scanningIcon.SetActive(false);
        if (BluetoothManager.Instance != null)
        {
            BluetoothManager.Instance.StopScan();
        }
    }
    /// <summary>
    /// 查询设备注册状态
    /// </summary>
    private void OnQueryRegistrationClick()
    {
       
        BLECommunicationManager.Instance.QueryRegistrationStatus((success,status) =>
        {
            Loom.QueueOnMainThread(() =>
            {
                if (success)
                {
                    bool IsRegistered = status.IsRegistered;
                    if (IsRegistered)
                    {
                        errorTip = "100070";
                        ShowErrorPage();
                    }
                    else
                    {
                        BandDevice();
                    }
                }
                else
                {
                    errorTip = "100069";
                    ShowErrorPage();
                }
            });
        });
    }
    /// <summary>
    /// 注册设备
    /// </summary>
    private void OnRegisterDeviceClick()
    {
       
        string username = DataManager.Instance.userInfo.id;


        BLECommunicationManager.Instance.RegisterDevice(username, (success, message) =>
        {
            Loom.QueueOnMainThread(() =>
            {
                LoadingUI.Hide();
                if (success)
                {
                   ShowWifiPage();
                }
                else
                {
                    errorTip = "100070";
                    ShowErrorPage();
                }
            });
        });
    }
    /// <summary>
    /// 注销用户
    /// </summary>
    private void OnUnregisterUserClick()
    {
        string username = DataManager.Instance.userInfo.id;
        BLECommunicationManager.Instance.UnregisterUser(username, (response) =>
        {
            Loom.QueueOnMainThread(() =>
            {
                if (response.IsSuccess)
                {
                    Debug.Log($"用户 {username} 注销成功!");
                }
                else
                {
                    OnUnregisterUserClick();
                }
            });
        });
    }
    public void BackToHomePage()
    {
        OnStopScanClick();
        UIManager.Instance.OpenPage(UIManager.PageName.homePage);
    }
    /// <summary>
    /// 绑定设备
    /// </summary>
    public async void BandDevice()
    {
       
        LoadingUI.Show();
        try
        {
             BandDeviceRequest request = new BandDeviceRequest
             {
                device_sn = nowDeviceMac,
                user_id = DataManager.Instance.userInfo.id,
             };
            
            Debug.Log($"绑定设备请求: deviceSn={request.device_sn}, userId={request.user_id}");

            var response = await NetworkCtrl.Instance.Post<NoDataResponse>("/api/v1/device/bind", request);
            LoadingUI.Hide();
            ResponseCodeHandler.HandleResponse(response,
                onSuccess: (data) =>
                {
                    Debug.Log($"绑定设备成功");
                    OnRegisterDeviceClick();
                }
                ,
                onError: (code,message) =>
                {
                    Debug.Log($"绑定设备失败:{code},{message}");
                    errorTip = "100070";
                    ShowErrorPage();
                }
            );
        }
        catch (Exception ex)
        {
            LoadingUI.Hide();
            Debug.LogError($"绑定设备异常: {ex.Message}");
        }
    }

}