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package org.jooby;

import com.google.common.base.Joiner;

import static com.google.common.base.Preconditions.checkArgument;

import static com.google.common.base.Preconditions.checkState;

import com.google.common.collect.ImmutableList;

import com.google.common.collect.ImmutableMap;

import com.google.common.collect.ImmutableSet;

import com.google.common.escape.Escaper;

import com.google.common.html.HtmlEscapers;

import com.google.common.net.UrlEscapers;

import com.google.common.util.concurrent.MoreExecutors;

import com.google.inject.Binder;

import com.google.inject.Guice;

import com.google.inject.Injector;

import com.google.inject.Key;

import com.google.inject.Provider;

import com.google.inject.ProvisionException;

import com.google.inject.Stage;

import com.google.inject.TypeLiteral;

import com.google.inject.internal.ProviderMethodsModule;

import com.google.inject.multibindings.Multibinder;

import com.google.inject.name.Named;

import com.google.inject.name.Names;

import com.google.inject.util.Types;

import com.typesafe.config.Config;

import com.typesafe.config.ConfigFactory;

import com.typesafe.config.ConfigObject;

import com.typesafe.config.ConfigValue;

import static com.typesafe.config.ConfigValueFactory.fromAnyRef;

import static java.util.Objects.requireNonNull;

import static org.jooby.Route.CONNECT;

import static org.jooby.Route.DELETE;

import org.jooby.Route.Definition;

import static org.jooby.Route.GET;

import static org.jooby.Route.HEAD;

import org.jooby.Route.Mapper;

import static org.jooby.Route.OPTIONS;

import static org.jooby.Route.PATCH;

import static org.jooby.Route.POST;

import static org.jooby.Route.PUT;

import static org.jooby.Route.TRACE;

import org.jooby.Session.Store;

import org.jooby.funzy.Throwing;

import org.jooby.funzy.Try;

import org.jooby.handlers.AssetHandler;

import org.jooby.internal.AppPrinter;

import org.jooby.internal.BuiltinParser;

import org.jooby.internal.BuiltinRenderer;

import org.jooby.internal.CookieSessionManager;

import org.jooby.internal.DefaulErrRenderer;

import org.jooby.internal.HttpHandlerImpl;

import org.jooby.internal.JvmInfo;

import org.jooby.internal.LocaleUtils;

import org.jooby.internal.ParameterNameProvider;

import org.jooby.internal.RequestScope;

import org.jooby.internal.RouteMetadata;

import org.jooby.internal.ServerExecutorProvider;

import org.jooby.internal.ServerLookup;

import org.jooby.internal.ServerSessionManager;

import org.jooby.internal.SessionManager;

import org.jooby.internal.SourceProvider;

import org.jooby.internal.TypeConverters;

import org.jooby.internal.handlers.HeadHandler;

import org.jooby.internal.handlers.OptionsHandler;

import org.jooby.internal.handlers.TraceHandler;

import org.jooby.internal.mvc.MvcRoutes;

import org.jooby.internal.mvc.MvcWebSocket;

import org.jooby.internal.parser.BeanParser;

import org.jooby.internal.parser.DateParser;

import org.jooby.internal.parser.LocalDateParser;

import org.jooby.internal.parser.LocaleParser;

import org.jooby.internal.parser.ParserExecutor;

import org.jooby.internal.parser.StaticMethodParser;

import org.jooby.internal.parser.StringConstructorParser;

import org.jooby.internal.parser.ZonedDateTimeParser;

import org.jooby.internal.ssl.SslContextProvider;

import org.jooby.mvc.Consumes;

import org.jooby.mvc.Produces;

import org.jooby.scope.Providers;

import org.jooby.scope.RequestScoped;

import org.jooby.spi.HttpHandler;

import org.jooby.spi.Server;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import javax.annotation.Nonnull;

import javax.annotation.Nullable;

import javax.inject.Singleton;

import javax.net.ssl.SSLContext;

import java.io.File;

import java.lang.reflect.Type;

import java.nio.charset.Charset;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.text.DecimalFormat;

import java.text.NumberFormat;

import java.time.ZoneId;

import java.time.format.DateTimeFormatter;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collection;

import java.util.Collections;

import java.util.HashMap;

import java.util.HashSet;

import java.util.LinkedHashSet;

import java.util.LinkedList;

import java.util.List;

import java.util.Locale;

import java.util.Map;

import java.util.Map.Entry;

import java.util.Objects;

import java.util.Optional;

import java.util.Set;

import java.util.TimeZone;

import java.util.concurrent.Executor;

import java.util.concurrent.ExecutorService;

import java.util.concurrent.TimeUnit;

import java.util.concurrent.atomic.AtomicBoolean;

import java.util.concurrent.atomic.AtomicReference;

import java.util.function.BiFunction;

import java.util.function.Consumer;

import java.util.function.Function;

import java.util.function.Predicate;

import java.util.function.Supplier;

import java.util.stream.Collectors;

/**

* <h1>jooby</h1>

* <h2>getting started</h2>

*

* <pre>

* public class MyApp extends Jooby {

*

* {

* use(new Jackson()); // 1. JSON serializer.

*

* // 2. Define a route

* get("/", req {@literal ->} {

* Map{@literal <}String, Object{@literal >} model = ...;

* return model;

* }

* }

*

* public static void main(String[] args) {

* run(MyApp::new, args); // 3. Done!

* }

* }

* </pre>

*

* <h2>application.conf</h2>

* <p>

* Jooby delegate configuration management to <a

* href="https://github.com/typesafehub/config">TypeSafe Config</a>.

* </p>

*

* <p>

* By default Jooby looks for an <code>application.conf</code>. If

* you want to specify a different file or location, you can do it with {@link #conf(String)}.

* </p>

*

* <p>

* <a href="https://github.com/typesafehub/config">TypeSafe Config</a> uses a hierarchical model to

* define and override properties.

* </p>

* <p>

* A {@link Jooby.Module} might provides his own set of properties through the

* {@link Jooby.Module#config()} method. By default, this method returns an empty config object.

* </p>

* For example:

*

* <pre>

* use(new M1());

* use(new M2());

* use(new M3());

* </pre>

*

* Previous example had the following order (first-listed are higher priority):

* <ul>

* <li>arguments properties</li>

* <li>System properties</li>

* <li>application.conf</li>

* <li>M3 properties</li>

* <li>M2 properties</li>

* <li>M1 properties</li>

* </ul>

* <p>

* Command line argmuents or system properties takes precedence over any application specific

* property.

* </p>

*

* <h2>env</h2>

* <p>

* Jooby defines one mode or environment: <strong>dev</strong>. In Jooby, <strong>dev</strong>

* is special and some modules could apply special settings while running in <strong>dev</strong>.

* Any other env is usually considered a <code>prod</code> like env. But that depends on module

* implementor.

* </p>

* <p>

* An <code>environment</code> can be defined in your <code>.conf</code> file using the

* <code>application.env</code> property. If missing, Jooby set the <code>env</code> for you to

* <strong>dev</strong>.

* </p>

* <p>

* There is more at {@link Env} please read the {@link Env} javadoc.

* </p>

*

* <h2>modules: the jump to full-stack framework</h2>

* <p>

* {@link Jooby.Module Modules} are quite similar to a Guice modules except that the configure

* callback has been complementing with {@link Env} and {@link Config}.

* </p>

*

* <pre>

* public class MyModule implements Jooby.Module {

* public void configure(Env env, Config config, Binder binder) {

* }

* }

* </pre>

*

* From the configure callback you can bind your services as you usually do in a Guice app.

* <p>

* There is more at {@link Jooby.Module} so please read the {@link Jooby.Module} javadoc.

* </p>

*

* <h2>path patterns</h2>

* <p>

* Jooby supports Ant-style path patterns:

* </p>

* <p>

* Some examples:

* </p>

* <ul>

* <li>{@code com/t?st.html} - matches {@code com/test.html} but also {@code com/tast.html} or

* {@code com/txst.html}</li>

* <li>{@code com/*.html} - matches all {@code .html} files in the {@code com} directory</li>

* <li><code>com/{@literal **}/test.html</code> - matches all {@code test.html} files underneath the

* {@code com} path</li>

* <li>{@code **}/{@code *} - matches any path at any level.</li>

* <li>{@code *} - matches any path at any level, shorthand for {@code **}/{@code *}.</li>

* </ul>

*

* <h3>variables</h3>

* <p>

* Jooby supports path parameters too:

* </p>

* <p>

* Some examples:

* </p>

* <ul>

* <li><code> /user/{id}</code> - /user/* and give you access to the <code>id</code> var.</li>

* <li><code> /user/:id</code> - /user/* and give you access to the <code>id</code> var.</li>

* <li><code> /user/{id:\\d+}</code> - /user/[digits] and give you access to the numeric

* <code>id</code> var.</li>

* </ul>

*

* <h2>routes</h2>

* <p>

* Routes perform actions in response to a server HTTP request.

* </p>

* <p>

* Routes are executed in the order they are defined, for example:

* </p>

*

* <pre>

* get("/", (req, rsp) {@literal ->} {

* log.info("first"); // start here and go to second

* });

*

* get("/", (req, rsp) {@literal ->} {

* log.info("second"); // execute after first and go to final

* });

*

* get("/", (req, rsp) {@literal ->} {

* rsp.send("final"); // done!

* });

* </pre>

*

* Previous example can be rewritten using {@link Route.Filter}:

*

* <pre>

* get("/", (req, rsp, chain) {@literal ->} {

* log.info("first"); // start here and go to second

* chain.next(req, rsp);

* });

*

* get("/", (req, rsp, chain) {@literal ->} {

* log.info("second"); // execute after first and go to final

* chain.next(req, rsp);

* });

*

* get("/", (req, rsp) {@literal ->} {

* rsp.send("final"); // done!

* });

* </pre>

*

* Due to the use of lambdas a route is a singleton and you should NOT use global variables. For

* example this is a bad practice:

*

* <pre>

* List{@literal <}String{@literal >} names = new ArrayList{@literal <}{@literal >}(); // names produces side effects

* get("/", (req, rsp) {@literal ->} {

* names.add(req.param("name").value();

* // response will be different between calls.

* rsp.send(names);

* });

* </pre>

*

* <h3>mvc routes</h3>

* <p>

* A Mvc route use annotations to define routes:

* </p>

*

* <pre>

* use(MyRoute.class);

* ...

*

* // MyRoute.java

* {@literal @}Path("/")

* public class MyRoute {

*

* {@literal @}GET

* public String hello() {

* return "Hello Jooby";

* }

* }

* </pre>

* <p>

* Programming model is quite similar to JAX-RS/Jersey with some minor differences and/or

* simplifications.

* </p>

*

* <p>

* To learn more about Mvc Routes, please check {@link org.jooby.mvc.Path},

* {@link org.jooby.mvc.Produces} {@link org.jooby.mvc.Consumes} javadoc.

* </p>

*

* <h2>static files</h2>

* <p>

* Static files, like: *.js, *.css, ..., etc... can be served with:

* </p>

*

* <pre>

* assets("assets/**");

* </pre>

* <p>

* Classpath resources under the <code>/assets</code> folder will be accessible from client/browser.

* </p>

*

* <h2>lifecyle</h2>

* <p>

* We do provide {@link #onStart(Throwing.Consumer)} and {@link #onStop(Throwing.Consumer)} callbacks.

* These callbacks are executed are application startup or shutdown time:

* </p>

*

* <pre>{@code

* {

* onStart(() -> {

* log.info("Welcome!");

* });

*

* onStop(() -> {

* log.info("Bye!");

* });

* }

* }</pre>

*

* <p>

* From life cycle callbacks you can access to application services:

* </p>

*

* <pre>{@code

* {

* onStart(registry -> {

* MyDatabase db = registry.require(MyDatabase.class);

* // do something with databse:

* });

* }

* }</pre>

*

* @author edgar

* @see Jooby.Module

* @since 0.1.0

*/

public class Jooby implements Router, LifeCycle, Registry {

/**

* <pre>{@code

* {

* on("dev", () -> {

* // run something on dev

* }).orElse(() -> {

* // run something on prod

* });

* }

* }</pre>

*/

public interface EnvPredicate {

/**

* <pre>{@code

* {

* on("dev", () -> {

* // run something on dev

* }).orElse(() -> {

* // run something on prod

* });

* }

* }</pre>

*

* @param callback Env callback.

*/

default void orElse(final Runnable callback) {

orElse(conf -> callback.run());

}

/**

* <pre>{@code

* {

* on("dev", () -> {

* // run something on dev

* }).orElse(conf -> {

* // run something on prod

* });

* }

* }</pre>

*

* @param callback Env callback.

*/

void orElse(Consumer<Config> callback);

}

/**

* A module can publish or produces: {@link Route.Definition routes}, {@link Parser},

* {@link Renderer}, and any other application specific service or contract of your choice.

* <p>

* It is similar to {@link com.google.inject.Module} except for the callback method receives a

* {@link Env}, {@link Config} and {@link Binder}.

* </p>

*

* <p>

* A module can provide his own set of properties through the {@link #config()} method. By

* default, this method returns an empty config object.

* </p>

* For example:

*

* <pre>

* use(new M1());

* use(new M2());

* use(new M3());

* </pre>

*

* Previous example had the following order (first-listed are higher priority):

* <ul>

* <li>System properties</li>

* <li>application.conf</li>

* <li>M3 properties</li>

* <li>M2 properties</li>

* <li>M1 properties</li>

* </ul>

*

* <p>

* A module can provide start/stop methods in order to start or close resources.

* </p>

*

* @author edgar

* @see Jooby#use(Jooby.Module)

* @since 0.1.0

*/

public interface Module {

/**

* @return Produces a module config object (when need it). By default a module doesn't produce

* any configuration object.

*/

@Nonnull

default Config config() {

return ConfigFactory.empty();

}

/**

* Configure and produces bindings for the underlying application. A module can optimize or

* customize a service by checking current the {@link Env application env} and/or the current

* application properties available from {@link Config}.

*

* @param env The current application's env. Not null.

* @param conf The current config object. Not null.

* @param binder A guice binder. Not null.

* @throws Throwable If something goes wrong.

*/

void configure(Env env, Config conf, Binder binder) throws Throwable;

}

static class MvcClass implements Route.Props<MvcClass> {

Class<?> routeClass;

String path;

ImmutableMap.Builder<String, Object> attrs = ImmutableMap.builder();

private List<MediaType> consumes;

private String name;

private List<MediaType> produces;

private List<String> excludes;

private Mapper<?> mapper;

private String prefix;

private String renderer;

public MvcClass(final Class<?> routeClass, final String path, final String prefix) {

this.routeClass = routeClass;

this.path = path;

this.prefix = prefix;

}

@Override

public MvcClass attr(final String name, final Object value) {

attrs.put(name, value);

return this;

}

@Override

public MvcClass name(final String name) {

this.name = name;

return this;

}

@Override

public MvcClass consumes(final List<MediaType> consumes) {

this.consumes = consumes;

return this;

}

@Override

public MvcClass produces(final List<MediaType> produces) {

this.produces = produces;

return this;

}

@Override

public MvcClass excludes(final List<String> excludes) {

this.excludes = excludes;

return this;

}

@Override

public MvcClass map(final Mapper<?> mapper) {

this.mapper = mapper;

return this;

}

@Override

public String renderer() {

return renderer;

}

@Override

public MvcClass renderer(final String name) {

this.renderer = name;

return this;

}

public Route.Definition apply(final Route.Definition route) {

attrs.build().forEach(route::attr);

if (name != null) {

route.name(name);

}

if (prefix != null) {

route.name(prefix + "/" + route.name());

}

if (consumes != null) {

route.consumes(consumes);

}

if (produces != null) {

route.produces(produces);

}

if (excludes != null) {

route.excludes(excludes);

}

if (mapper != null) {

route.map(mapper);

}

if (renderer != null) {

route.renderer(renderer);

}

return route;

}

}

private static class EnvDep {

Predicate<String> predicate;

Consumer<Config> callback;

public EnvDep(final Predicate<String> predicate, final Consumer<Config> callback) {

this.predicate = predicate;

this.callback = callback;

}

}

static {

// set pid as system property

String pid = System.getProperty("pid", JvmInfo.pid() + "");

System.setProperty("pid", pid);

}

/**

* Keep track of routes.

*/

private transient Set<Object> bag = new LinkedHashSet<>();

/**

* The override config. Optional.

*/

private transient Config srcconf;

private final transient AtomicBoolean started = new AtomicBoolean(false);

/** Keep the global injector instance. */

private transient Injector injector;

/** Session store. */

private transient Session.Definition session = new Session.Definition(Session.Mem.class);

/** Env builder. */

private transient Env.Builder env = Env.DEFAULT;

/** Route's prefix. */

private transient String prefix;

/** startup callback . */

private transient List<Throwing.Consumer<Registry>> onStart = new ArrayList<>();

private transient List<Throwing.Consumer<Registry>> onStarted = new ArrayList<>();

/** stop callback . */

private transient List<Throwing.Consumer<Registry>> onStop = new ArrayList<>();

/** Mappers . */

@SuppressWarnings("rawtypes")

private transient Mapper mapper;

/** Don't add same mapper twice . */

private transient Set<String> mappers = new HashSet<>();

/** Bean parser . */

private transient Optional<Parser> beanParser = Optional.empty();

private transient ServerLookup server = new ServerLookup();

private transient String dateFormat;

private transient Charset charset;

private transient String[] languages;

private transient ZoneId zoneId;

private transient Integer port;

private transient Integer securePort;

private transient String numberFormat;

private transient boolean http2;

private transient List<Consumer<Binder>> executors = new ArrayList<>();

private transient boolean defaultExecSet;

private boolean throwBootstrapException;

/**

* creates the injector

*/

private transient BiFunction<Stage, com.google.inject.Module, Injector> injectorFactory = Guice::createInjector;

private transient List<Jooby> apprefs;

private transient LinkedList<String> path = new LinkedList<>();

private transient String confname;

private transient boolean caseSensitiveRouting = true;

private transient String classname;

/**

* Creates a new {@link Jooby} application.

*/

public Jooby() {

this(null);

}

/**

* Creates a new application and prefix all the names of the routes with the given prefix. Useful,

* for dynamic/advanced routing. See {@link Route.Chain#next(String, Request, Response)}.

*

* @param prefix Route name prefix.

*/

public Jooby(final String prefix) {

this.prefix = prefix;

use(server);

this.classname = classname(getClass().getName());

}

@Override

public Route.Collection path(String path, Runnable action) {

this.path.addLast(Route.normalize(path));

Route.Collection collection = with(action);

this.path.removeLast();

return collection;

}

@Override

public Jooby use(final Jooby app) {

return use(prefixPath(null), app);

}

private Optional<String> prefixPath(@Nullable String tail) {

return path.size() == 0

? tail == null ? Optional.empty() : Optional.of(Route.normalize(tail))

: Optional.of(path.stream()

.collect(Collectors.joining("", "", tail == null

? "" : Route.normalize(tail))));

}

@Override

public Jooby use(final String path, final Jooby app) {

return use(prefixPath(path), app);

}

/**

* Use the provided HTTP server.

*

* @param server Server.

* @return This jooby instance.

*/

public Jooby server(final Class<? extends Server> server) {

requireNonNull(server, "Server required.");

// remove server lookup

List<Object> tmp = bag.stream()

.skip(1)

.collect(Collectors.toList());

tmp.add(0,

(Module) (env, conf, binder) -> binder.bind(Server.class).to(server).asEagerSingleton());

bag.clear();

bag.addAll(tmp);

return this;

}

private Jooby use(final Optional<String> path, final Jooby app) {

requireNonNull(app, "App is required.");

Function<Route.Definition, Route.Definition> rewrite = r -> {

return path.map(p -> {

Route.Definition result = new Route.Definition(r.method(), p + r.pattern(), r.filter());

result.consumes(r.consumes());

result.produces(r.produces());

result.excludes(r.excludes());

return result;

}).orElse(r);

};

app.bag.forEach(it -> {

if (it instanceof Route.Definition) {

this.bag.add(rewrite.apply((Definition) it));

} else if (it instanceof MvcClass) {

Object routes = path.<Object>map(p -> new MvcClass(((MvcClass) it).routeClass, p, prefix))

.orElse(it);

this.bag.add(routes);

} else {

// everything else

this.bag.add(it);

}

});

// start/stop callback

app.onStart.forEach(this.onStart::add);

app.onStarted.forEach(this.onStarted::add);

app.onStop.forEach(this.onStop::add);

// mapper

if (app.mapper != null) {

this.map(app.mapper);

}

if (apprefs == null) {

apprefs = new ArrayList<>();

}

apprefs.add(app);

return this;

}