package com.aws.samples.lambda.servlet.util;

import com.amazonaws.services.lambda.runtime.LambdaLogger;
import io.vavr.control.Option;

import javax.servlet.*;
import javax.servlet.descriptor.JspConfigDescriptor;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;

@SuppressWarnings("deprecation")
public class DummyLambdaServletContext implements ServletContext {
    private Option<LambdaLogger> lambdaLoggerOption = Option.none();

    public void setLogger(LambdaLogger lambdaLogger) {
        this.lambdaLoggerOption = Option.of(lambdaLogger);
    }

    public Option<LambdaLogger> getLogger() {
        return lambdaLoggerOption;
    }

    public String getContextPath() {
        return null;
    }

    public ServletContext getContext(String uripath) {
        return null;
    }

    public int getMajorVersion() {
        return 3;
    }

    public int getMinorVersion() {
        return 0;
    }

    public int getEffectiveMajorVersion() {
        return 3;
    }

    public int getEffectiveMinorVersion() {
        return 0;
    }

    public String getMimeType(String file) {
        return null;
    }

    public Set<String> getResourcePaths(String path) {
        return Collections.emptySet();
    }

    public URL getResource(String path) throws MalformedURLException {
        return null;
    }

    public InputStream getResourceAsStream(String path) {
        return null;
    }

    public RequestDispatcher getRequestDispatcher(String path) {
        return null;
    }

    public RequestDispatcher getNamedDispatcher(String name) {
        return null;
    }

    public Servlet getServlet(String name) throws ServletException {
        return null;
    }

    public Enumeration<Servlet> getServlets() {
        return Collections.enumeration(Collections.emptySet());
    }

    public Enumeration<String> getServletNames() {
        return Collections.enumeration(Collections.emptySet());
    }

    @Override
    public void log(String msg) {
        getLogger()
                .onEmpty(() -> System.err.println(msg))
                .forEach(logger -> logger.log(msg));
    }

    @Override
    public void log(Exception exception, String message) {
        exception.printStackTrace();

        getLogger()
                .onEmpty(() -> System.err.println(message))
                .forEach(logger -> logger.log("Exception: " + exception.getMessage() + ", " + message));
    }

    @Override
    public void log(String message, Throwable throwable) {
        throwable.printStackTrace();

        getLogger()
                .onEmpty(() -> System.err.println(message))
                .forEach(logger -> logger.log("Throwable: " + throwable.getMessage() + ", " + message));
    }

    public String getRealPath(String path) {
        return null;
    }

    public String getServerInfo() {
        return null;
    }

    public String getInitParameter(String name) {
        return null;
    }

    public Enumeration<String> getInitParameterNames() {
        return Collections.enumeration(Collections.emptySet());
    }

    public boolean setInitParameter(String name, String value) {
        return false;
    }

    public Object getAttribute(String name) {
        return null;
    }

    public Enumeration<String> getAttributeNames() {
        return Collections.enumeration(Collections.emptySet());
    }

    public void setAttribute(String name, Object object) {
    }

    public void removeAttribute(String name) {
    }

    public String getServletContextName() {
        return null;
    }

    public ServletRegistration.Dynamic addServlet(String servletName, String className) {
        return null;
    }

    public ServletRegistration.Dynamic addServlet(String servletName, Servlet servlet) {
        return null;
    }

    public ServletRegistration.Dynamic addServlet(String servletName, Class<? extends Servlet> servletClass) {
        return null;
    }

    @Override
    public ServletRegistration.Dynamic addJspFile(String servletName, String jspFile) {
        return null;
    }

    public <T extends Servlet> T createServlet(Class<T> clazz) throws ServletException {
        return null;
    }

    public ServletRegistration getServletRegistration(String servletName) {
        return null;
    }

    public Map<String, ? extends ServletRegistration> getServletRegistrations() {
        return null;
    }

    public FilterRegistration.Dynamic addFilter(String filterName, String className) {
        return null;
    }

    public FilterRegistration.Dynamic addFilter(String filterName, Filter filter) {
        return null;
    }

    public FilterRegistration.Dynamic addFilter(String filterName, Class<? extends Filter> filterClass) {
        return null;
    }

    public <T extends Filter> T createFilter(Class<T> clazz) throws ServletException {
        return null;
    }

    public FilterRegistration getFilterRegistration(String filterName) {
        return null;
    }

    public Map<String, ? extends FilterRegistration> getFilterRegistrations() {
        return null;
    }

    public SessionCookieConfig getSessionCookieConfig() {
        return null;
    }

    public void setSessionTrackingModes(Set<SessionTrackingMode> sessionTrackingModes) {
    }

    public Set<SessionTrackingMode> getDefaultSessionTrackingModes() {
        return null;
    }

    public Set<SessionTrackingMode> getEffectiveSessionTrackingModes() {
        return null;
    }

    public void addListener(String className) {
    }

    public <T extends EventListener> void addListener(T t) {
    }

    public void addListener(Class<? extends EventListener> listenerClass) {
    }

    public <T extends EventListener> T createListener(Class<T> clazz) throws ServletException {
        return null;
    }

    public JspConfigDescriptor getJspConfigDescriptor() {
        return null;
    }

    public ClassLoader getClassLoader() {
        return getClass().getClassLoader();
    }

    public void declareRoles(String... roleNames) {
    }

    public String getVirtualServerName() {
        return null;
    }

    @Override
    public int getSessionTimeout() {
        return 0;
    }

    @Override
    public void setSessionTimeout(int sessionTimeout) {

    }

    @Override
    public String getRequestCharacterEncoding() {
        return null;
    }

    @Override
    public void setRequestCharacterEncoding(String encoding) {

    }

    @Override
    public String getResponseCharacterEncoding() {
        return null;
    }

    @Override
    public void setResponseCharacterEncoding(String encoding) {

    }
}