using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// using UnityEngine.Android; // 旧：Permission 申请定位权限（已废弃，保留备查）
using System.Runtime.InteropServices;
using AOT;
public class GPSTool
{

#if UNITY_IPHONE
    static Action<string[]> callbackOut;
    [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
    public delegate void ResultHandler(string resultString);
    [MonoPInvokeCallback(typeof(ResultHandler))]
    static void resultHandler(string parameter)
    {
        //Debug.Log("unity parameter:" + parameter);
        string[] components = parameter.Split(new char[] { '\t' }, 6);
        string address = components[5];
        string[] addressOut = address.Split(new char[] { '\t' }, 3);
        callbackOut?.Invoke(addressOut);

        // 停止获取位置信息
        LocationPluginInterface.StopUpdatingLocation();
    }
#endif

    #if UNITY_ANDROID
    // 旧：原生层在定位就绪后会通知 Unity，用于延迟再次 GetAddress（保留，勿删）
    // private static Action<string[]> callbackRecord;
    // public static void OnLocationUpdate()
    // {
    //     if (callbackRecord != null)
    //     {
    //         GetAddress(callbackRecord);
    //         callbackRecord = null;
    //     }
    // }
    /// <summary>兼容 MsgReceiver 等 JNI 调用链；已不再衔接 GPS 延迟回调。</summary>
    public static void OnLocationUpdate() { }
    #endif
    //GPS获取地址
    //成功返回：string[]{国，省，市} (数组中不允许有null)
    //失败返回：null
    public static void GetAddress(Action<string[]> callback)
    {
#if UNITY_ANDROID
        // Android：不再申请定位权限 / 不调用原生 GPS；地区取自用户资料（与排行榜一致），未设置国家则返回 null
        string c = LoginMgr.myUserInfo.country != null ? LoginMgr.myUserInfo.country.Trim() : "";
        string s = LoginMgr.myUserInfo.state != null ? LoginMgr.myUserInfo.state.Trim() : "";
        string ci = LoginMgr.myUserInfo.city != null ? LoginMgr.myUserInfo.city.Trim() : "";
        if (string.IsNullOrWhiteSpace(c))
            callback?.Invoke(null);
        else
            callback?.Invoke(new string[] { c, s, ci });

        // 旧 Android：Unity 权限申请 + 原生 GPSTool（hasOpenGPS / getAddress / OpenGPSView）（保留，勿删）
        // Action callAndroidMethod = delegate ()
        // {
        //     if (Application.isEditor) return;
        //     string[] address = null;
        //     using (var clsU3D = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
        //     using (var objCtx = clsU3D.GetStatic<AndroidJavaObject>("currentActivity"))
        //     using (var objGPSTool = new AndroidJavaClass("com.example.smartbowlib.GPSTool"))
        //     {
        //         bool gpsOpened = objGPSTool.CallStatic<bool>("hasOpenGPS", objCtx);    
        //         if (!gpsOpened)
        //         {
        //             var view = OpenGPSView.Init();
        //             if (view) view.onOpened = () => GetAddress(callback);
        //             return;
        //         }         
        //         address = objGPSTool.CallStatic<string[]>("getAddress", objCtx);
        //         if (address != null)
        //         {
        //             foreach (var item in address)
        //             {
        //                 if (item == null)
        //                 {
        //                     address = null;
        //                     break;
        //                 }
        //             }
        //         }
        //         if (address != null)
        //         {
        //             Debug.Log("获取地理位置成功：" + string.Join(" ", address));
        //             callback?.Invoke(address);
        //         }
        //         //如果安卓层未能获取到位置（比如gps刚打开），会等待gps更新，至到知道位置后，会通知Unity
        //         //因此可以先保留callback用于下次回调
        //         else if (address == null) callbackRecord = callback;
        //     }
        // };
        // List<string> permissions = new List<string>();
        // permissions.Add(Permission.CoarseLocation);
        // permissions.Add(Permission.FineLocation);
        // for (int i = permissions.Count - 1; i >= 0; i--)
        // {
        //     if (Permission.HasUserAuthorizedPermission(permissions[i])) permissions.RemoveAt(i);
        // }
        // if (permissions.Count > 0)
        // {
        //     var requestCB = new PermissionCallbacks();
        //     int needPermissionCount = permissions.Count;
        //     requestCB.PermissionGranted += (s) =>
        //     {
        //         Debug.Log("用户同意" + s);
        //         needPermissionCount--;
        //         if (needPermissionCount == 0) callAndroidMethod.Invoke();
        //     };
        //     bool hasExecuteOnDenied = false;
        //     requestCB.PermissionDenied += (s) =>
        //     {
        //         Debug.Log("用户拒绝" + s);
        //         if (!hasExecuteOnDenied)
        //         {
        //             hasExecuteOnDenied = true;
        //             AlertNoPermission();
        //         }
        //     };
        //     requestCB.PermissionDeniedAndDontAskAgain += (s) =>
        //     {
        //         Debug.Log("用户拒绝且要求不再询问" + s);
        //         if (!hasExecuteOnDenied)
        //         {
        //             hasExecuteOnDenied = true;
        //             AlertNoPermission();
        //         }
        //     };
        //     Permission.RequestUserPermissions(permissions.ToArray(), requestCB);
        // }
        // else
        // {
        //     callAndroidMethod.Invoke();
        // }
#endif

#if UNITY_IPHONE
        callbackOut = callback;
        ResultHandler handler = new ResultHandler(resultHandler);
        IntPtr fp = Marshal.GetFunctionPointerForDelegate(handler);

        LocationPluginInterface.StartUpdatingLocation(fp);
#endif


    }

    //提示用户：尚未授予定位权限
    static void AlertNoPermission()
    {
        ModalManager.ShowConfirmModal_NoLocationPermission();
    }
}