package eu.siacs.conversations.utils;

import android.content.Context;
import android.support.annotation.NonNull;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;

import eu.siacs.conversations.services.NotificationService;

public class ExceptionHandler implements UncaughtExceptionHandler {

	private final UncaughtExceptionHandler defaultHandler;
	private final Context context;

	ExceptionHandler(final Context context) {
		this.context = context;
		this.defaultHandler = Thread.getDefaultUncaughtExceptionHandler();
	}

	@Override
	public void uncaughtException(@NonNull Thread thread, final Throwable throwable) {
		NotificationService.cancelIncomingCallNotification(context);
		final Writer stringWriter = new StringWriter();
		final PrintWriter printWriter = new PrintWriter(stringWriter);
		throwable.printStackTrace(printWriter);
		final String stacktrace = stringWriter.toString();
		printWriter.close();
		ExceptionHelper.writeToStacktraceFile(context, stacktrace);
		this.defaultHandler.uncaughtException(thread, throwable);
	}

}