package me.yluo.ruisiapp.checknet;

import android.content.Context;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import me.yluo.ruisiapp.App;
import me.yluo.ruisiapp.myhttp.HttpUtil;
import me.yluo.ruisiapp.myhttp.ResponseHandler;
import me.yluo.ruisiapp.utils.GetId;

import static android.content.Context.MODE_PRIVATE;

/**
 *
 * @author yang
 * @date 16-4-13
 * 判断现在的网络状态
 * 校园网or 外网
 */
public class CheckNet {

    private static final ExecutorService THREAD_POOL = Executors.newCachedThreadPool();
    private Context context;

    public CheckNet(Context context) {
        this.context = context;
    }

    public void startCheck(final CheckNetResponse handler) {
        THREAD_POOL.execute(() -> request(handler));
    }

    private void request(final CheckNetResponse checkNetResponse) {
        finishCount = 0;
        errCount = 0;


        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
            Network network = connectivityManager.getActiveNetwork();
            NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(network);
            if (capabilities == null) {
                checkNetResponse.sendFinishMessage(0, "无法连接到睿思,请打开网络连接");
            } //else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
            checkSchoolNet(context);
            checkOutNet(context);
        } else {
            final NetworkInfo activeNetwork = connectivityManager.getActiveNetworkInfo();
            if (activeNetwork != null && activeNetwork.isConnected()) {
                checkSchoolNet(context);
                checkOutNet(context);
            } else {
                checkNetResponse.sendFinishMessage(0, "无法连接到睿思,请打开网络连接");
            }
        }
    }

    private int finishCount = 0;
    private int errCount = 0;
    private String pcResponse = "";
    private String mobileRes = "";

    private void checkSchoolNet(Context context) {
        HttpUtil.get(App.LOGIN_RS, new ResponseHandler() {
            @Override
            public void onSuccess(byte[] response) {
                pcResponse = new String(response);
            }

            @Override
            public void onFinish() {
                checkLoginResult(context, true, pcResponse);
            }
        });
    }

    private void checkOutNet(Context context) {
        HttpUtil.get(App.LOGIN_ME, new ResponseHandler() {
            @Override
            public void onSuccess(byte[] response) {
                mobileRes = new String(response);
            }

            @Override
            public void onFinish() {
                checkLoginResult(context, false, mobileRes);
            }
        });
    }

    public void checkLoginResult(Context context, boolean isInner, String response) {
        //Log.i("检查网络返回", "isInner:" + isInner + " res:" + response);
        if (TextUtils.isEmpty(response)) {
            errCount++;
            if (errCount == 2) {
                Toast.makeText(context, "无法连接到睿思,请检查你的网络连接！",
                        Toast.LENGTH_SHORT).show();
            }
            return;
        }

        if (isInner) {
            finishCount++;
            App.IS_SCHOOL_NET = true;
        } else { //外网 忽略
            if (finishCount == 0) {
                finishCount++;
                App.IS_SCHOOL_NET = false;
            } else {
                return;
            }
        }

        int i = response.indexOf("欢迎您回来");
        if (i > 0) {
            String grade, name;
            //<p>欢迎您回来，实习版主 激萌路小叔，现在将转入登录前页面</p>
            //<p>欢迎您回来，<font color="#0099FF">实习版主</font> 激萌路小叔，现在将转入登录前页面</p>
            String info = response.substring(i, i + 70);
            int pos = info.indexOf("，");
            if (info.charAt(pos + 1) == '<') {//管理员
                int pos2 = info.indexOf(">", pos);
                int pos3 = info.indexOf("<", pos2);
                grade = info.substring(pos2 + 1, pos3);
                int pos4 = info.indexOf(" ", pos3);
                int pos5 = info.indexOf("，", pos4);
                name = info.substring(pos4 + 1, pos5);
            } else {
                int pos2 = info.indexOf(" ", pos);
                grade = info.substring(pos + 1, pos2);
                int pos3 = info.indexOf("，", pos2);
                name = info.substring(pos2 + 1, pos3);
            }

            String uid = GetId.getId("uid=", response.substring(i));
            int indexhash = response.indexOf("formhash");
            String hash = response.substring(indexhash + 9, indexhash + 17);
            SharedPreferences shp = context.getSharedPreferences(App.MY_SHP_NAME, MODE_PRIVATE);
            SharedPreferences.Editor ed = shp.edit();
            ed.putString(App.USER_UID_KEY, uid);
            ed.putString(App.USER_NAME_KEY, name);
            ed.putString(App.USER_GRADE_KEY, grade);
            ed.putString(App.HASH_KEY, hash);
            ed.apply();
            Log.v("res", "grade " + grade + " uid " + uid + " name " + name + " hash " + hash);
        }
        Log.v("res", "校园网:" + App.IS_SCHOOL_NET);
    }
}