package com.dayu.pipirrapp.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.NetworkRequest;
import android.os.Build;

/**
 * NetUtils - 网络相关公共方法
 *
 * @author zuoxiao
 * @version 1.0
 * @since 2024-12-04
 */
public class NetUtils {
    public static final String TAG = "NetUtils";

    /**
     * 判断当前是否有网络
     *
     * @param context
     * @return
     */
    public static boolean isNetworkAvailable(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        if (connectivityManager != null) {
            // 对于 Android 版本大于等于 Android Q (API level 29)
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(connectivityManager.getActiveNetwork());
                if (capabilities != null) {
                    // 检查网络是否有传输能力（包括 Wi-Fi 和移动数据）
                    if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) || capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
                        return true;
                    }
                }
            } else {
                // 对于 Android Q 以下版本
                NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
                if (activeNetworkInfo != null && activeNetworkInfo.isConnected()) {
                    return true;
                }
            }
        }

        return false;  // 无网络连接
    }


    public static void registerNetCallBack(Context context, ConnectivityManager.NetworkCallback networkCallback) {
        // 注册网络状态监听
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        // 构建一个 NetworkRequest，指定感兴趣的网络类型
        NetworkRequest networkRequest = new NetworkRequest.Builder()
                .build();
        // 注册网络监听
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            cm.registerNetworkCallback(networkRequest, networkCallback);
        } else {
            // 对于较老版本，可以使用旧的方法注册网络状态监听
            // ConnectivityManager.setNetworkCallback() 无法在 API 级别 24 以下使用
        }
    }

    // 注销广播接收器
    public static void unregisterReceiver(Context context,ConnectivityManager.NetworkCallback networkCallback) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        cm.unregisterNetworkCallback(networkCallback);
    }

}