package com.ruansee.macall.testwebview.app;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
import android.os.Environment;
import android.os.Looper;
import android.util.Log;


import com.ruansee.macall.testwebview.utils.FileUtils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;
import java.lang.reflect.Field;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

public class CrashHandler implements UncaughtExceptionHandler {

    public static final String TAG = "CrashHandler";
    public static String LOG_DIR = FileUtils.FILE_DIR + "cache/log";
    private UncaughtExceptionHandler mDefaultHandler;

    private static CrashHandler INSTANCE = new CrashHandler();

    private Context mContext;

    private Map<String, String> infos = new HashMap<String, String>();

//	private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");

    private CrashHandler() {
    }

    public synchronized static CrashHandler getInstance() {
       if (INSTANCE == null){
           synchronized (CrashHandler.class){
               if (INSTANCE == null){
                   INSTANCE = new CrashHandler();
               }
           }
       }
        return INSTANCE;
    }

    public void init(Context context,String LOG_DIR) {
        mContext = context;
        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
        this.LOG_DIR = LOG_DIR;
        Thread.setDefaultUncaughtExceptionHandler(this);
    }

    @Override
    public void uncaughtException(Thread thread, Throwable ex) {
        if (!handleException(ex) && mDefaultHandler != null) {
            mDefaultHandler.uncaughtException(thread, ex);
        } else {
            try {
                Thread.sleep(3000);
            } catch (InterruptedException e) {
                Log.e(TAG, "error : ", e);
            }
            android.os.Process.killProcess(android.os.Process.myPid());
            System.exit(1);
        }
    }

    private boolean handleException(Throwable ex) {
        if (ex == null) {
            return false;
        }
        final Throwable _ex = ex;
        new Thread() {
            @Override
            public void run() {
                Looper.prepare();
//				Toast.makeText(mContext, "很抱歉,程序出现异常,即将退出" + _ex.getMessage(), Toast.LENGTH_LONG)
//						.show();
                //TwitterApplication.LogOut(mContext);
                Looper.loop();
            }
        }.start();

        // 收集设备参数信息
        collectDeviceInfo(mContext);
        // 保存日志文件
        saveCrashInfo2File(ex);
        return true;
    }

    /**
     * 收集设备参数信息
     *
     * @param ctx
     */
    public void collectDeviceInfo(Context ctx) {
        try {
            PackageManager pm = ctx.getPackageManager();
            PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(),
                    PackageManager.GET_ACTIVITIES);
            if (pi != null) {
                String versionName = pi.versionName == null ? "null"
                        : pi.versionName;
                String versionCode = pi.versionCode + "";
                infos.put("versionName", versionName);
                infos.put("versionCode", versionCode);
            }
        } catch (NameNotFoundException e) {
            Log.e(TAG, "an error occured when collect package info", e);
            infos.put("Exception1:", "收集系统参数报错");
        }
        Field[] fields = Build.class.getDeclaredFields();
        for (Field field : fields) {
            try {
                field.setAccessible(true);
                infos.put(field.getName(), field.get(null).toString());
                Log.d(TAG, field.getName() + " : " + field.get(null));
            } catch (Exception e) {
                Log.e(TAG, "an error occured when collect crash info", e);
                infos.put("Exception2:", "收集系统参数报错");
            }
        }
    }

    private void saveCrashInfo2File(Throwable ex) {
        StringBuffer sb = new StringBuffer();
        sb.append("================ 系统信息 ===================" + "\n");
        for (Map.Entry<String, String> entry : infos.entrySet()) {
            String key = entry.getKey();
            String value = entry.getValue();
            sb.append(key + "=" + value + "\n");
        }
        sb.append("================ 系统信息 /===================" + "\n");
        sb.append("================ 报错信息 ===================" + "\n");
        Writer writer = new StringWriter();
        PrintWriter printWriter = new PrintWriter(writer);
        ex.printStackTrace(printWriter);
        Throwable cause = ex.getCause();
        while (cause != null) {
            cause.printStackTrace(printWriter);
            cause = cause.getCause();
        }
        printWriter.close();
        String result = writer.toString();
        sb.append(result);
        sb.append("================ 报错信息 ===================" + "\n");
        sendErrorLog(sb.toString());
        try {
            long timestamp = System.currentTimeMillis() % 100000;
            @SuppressLint("SimpleDateFormat")
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
            String time = sdf.format(new Date());
//			String time = formatter.from(new Date());
            String fileName = "WZT_" + time + "-" + timestamp + ".log";
            if (Environment.getExternalStorageState().equals(
                    Environment.MEDIA_MOUNTED)) {
                String path = LOG_DIR;
                File dir = new File(path);
                if (!dir.exists()) {
                    dir.mkdirs();
                }
                FileOutputStream fos = new FileOutputStream(path + "/" + fileName);
                fos.write(sb.toString().getBytes());
                fos.close();
            }
        } catch (Exception e) {
            Log.e(TAG, "an error occured while writing file...", e);
        }
    }

    private void sendErrorLog(String errorText) {
//        RequestModel.uploadOperationLog("5","2",errorText);
////        String url = "http://192.168.43.202:8081/ypc/phone/error/saveError";
//        String url = YcgisApplication.getAppCacheData().getApiBaseUrl()+"error/saveError";
//        YcgisApplication
//                .componet()
//                .environment()
//                .apiClient()
//                .saveErrorLog(url, YcgisApplication.getAppCacheData().getUserCode(), errorText)
//                .subscribeOn(Schedulers.io())
//                .observeOn(Schedulers.io())
//                .subscribe(new Observer<JsonObject>() {
//                    @Override
//                    public void onSubscribe(Disposable d) {
//                        Log.w(TAG, "onSubscribe " + d.toString());
//                    }
//
//                    @Override
//                    public void onNext(JsonObject s) {
//                        Log.w(TAG, s.toString());
//                    }
//
//                    @Override
//                    public void onError(Throwable e) {
//                        Log.e(TAG, "onError " + e.getMessage());
//                    }
//
//                    @Override
//                    public void onComplete() {
//                        Log.w(TAG, "onComplete ");
//                    }
//                });
    }


}
