package com.winit.alseer.salesman;

import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;
import java.lang.ref.WeakReference;
import java.util.Date;
import java.util.Locale;

import android.app.Activity;
import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Environment;
import android.os.Looper;
import android.os.StatFs;
import android.support.v4.app.TaskStackBuilder;
import android.util.Log;

import com.google.firebase.crash.FirebaseCrash;
import com.winit.alseer.salesman.common.AppConstants;

public class UnCaughtException implements UncaughtExceptionHandler
{

	private static final String RECIPIENT = "rohitmanohar@winitsoftware.com,santoshkamathwinit@gmail.com";
	private Context context;
	private WeakReference<BaseActivity> baseActivity;
	public UnCaughtException(Context ctx) {
		context = ctx;
		this.baseActivity= new WeakReference<BaseActivity >((BaseActivity) context);
	}
	private StatFs getStatFs() {
		File path = Environment.getDataDirectory();
		return new StatFs(path.getPath());
	}

	private long getAvailableInternalMemorySize(StatFs stat) {
		long blockSize = stat.getBlockSize();
		long availableBlocks = stat.getAvailableBlocks();
		return availableBlocks * blockSize;
	}

	private long getTotalInternalMemorySize(StatFs stat) {
		long blockSize = stat.getBlockSize();
		long totalBlocks = stat.getBlockCount();
		return totalBlocks * blockSize;
	}

	private void addInformation(StringBuilder message) {
		message.append("Locale: ").append(Locale.getDefault()).append('\n');
		try {
			PackageManager pm = context.getPackageManager();
			PackageInfo pi;
			pi = pm.getPackageInfo(context.getPackageName(), 0);
			message.append("Version: ").append(pi.versionName).append('\n');
			message.append("Package: ").append(pi.packageName).append('\n');
		} catch (Exception e) {
			Log.e("CustomExceptionHandler", "Error", e);
			message.append("Could not get Version information for ").append(
					context.getPackageName());
		}
		message.append("Phone Model: ").append(android.os.Build.MODEL)
				.append('\n');
		message.append("Android Version: ")
				.append(android.os.Build.VERSION.RELEASE).append('\n');
		message.append("Board: ").append(android.os.Build.BOARD).append('\n');
		message.append("Brand: ").append(android.os.Build.BRAND).append('\n');
		message.append("Device: ").append(android.os.Build.DEVICE).append('\n');
		message.append("Host: ").append(android.os.Build.HOST).append('\n');
		message.append("ID: ").append(android.os.Build.ID).append('\n');
		message.append("Model: ").append(android.os.Build.MODEL).append('\n');
		message.append("Product: ").append(android.os.Build.PRODUCT)
				.append('\n');
		message.append("Type: ").append(android.os.Build.TYPE).append('\n');
		StatFs stat = getStatFs();
		message.append("Total Internal memory: ")
				.append(getTotalInternalMemorySize(stat)).append('\n');
		message.append("Available Internal memory: ")
				.append(getAvailableInternalMemorySize(stat)).append('\n');
	}

	public void uncaughtException(Thread t, Throwable e) {
		try {
			StringBuilder report = new StringBuilder();
			Date curDate = new Date();
			report.append("Error Report collected on : ")
					.append(curDate.toString()).append('\n').append('\n');
			report.append("Informations :").append('\n');
			addInformation(report);
			report.append('\n').append('\n');
			report.append("Stack:\n");
			final Writer result = new StringWriter();
			final PrintWriter printWriter = new PrintWriter(result);
			e.printStackTrace(printWriter);
			report.append(result.toString());
			printWriter.close();
			report.append('\n');
			report.append("****  End of current Report ***");
			Log.e(UnCaughtException.class.getName(),
					"Error while sendErrorMail" + report);
			sendErrorMail(report);
		} catch (Throwable ignore) {
			Log.e(UnCaughtException.class.getName(),
					"Error while sending error e-mail", ignore);
		}
	}

	//Method to send email
	public void sendErrorMail(final StringBuilder errorContent) {
		final AlertDialog.Builder builder = new AlertDialog.Builder(context);
		new Thread() {
			@Override
			public void run() {
				Looper.prepare();
				builder.setTitle("Sorry...!");
				builder.create();
				builder.setNegativeButton("Cancel",
						new DialogInterface.OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog,
												int which) {
								System.exit(0);
							}
						});
				builder.setPositiveButton("Send Mail",
						new DialogInterface.OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog,
												int which) {
								Intent sendIntent = new Intent(Intent.ACTION_SEND);
								String subject = "WINIT SFA AXIOM Log.";
								StringBuilder body = new StringBuilder("");
								body.append(errorContent).append('\n').append('\n');
								sendIntent.setType("message/rfc822");
								sendIntent.putExtra(Intent.EXTRA_EMAIL, new String[] { RECIPIENT });
								sendIntent.putExtra(Intent.EXTRA_TEXT, body.toString());
								sendIntent.putExtra(Intent.EXTRA_SUBJECT, subject);
								sendIntent.setType("message/rfc822");
								context.startActivity(sendIntent);
								System.exit(0);
								int p = android.os.Process.myPid();
								android.os.Process.killProcess(p);

							}
						});
				builder.setMessage("Sorry for inconvenience. WINIT SFA app stopped working.");
				if(baseActivity.get()!=null && !baseActivity.get().isFinishing())
					builder.show();
				Looper.loop();
			}
		}.start();
	}

}