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package org.jooby;

import org.jooby.Route.Mapper;

import org.jooby.funzy.Try;

import org.jooby.handlers.AssetHandler;

import javax.annotation.Nonnull;

import java.net.URLDecoder;

import java.nio.file.Path;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import java.util.Optional;

import java.util.concurrent.Executor;

import java.util.function.Predicate;

/**

* Route DSL. Constructs and creates several flavors of jooby routes.

*

* @author edgar

* @since 0.16.0

*/

public interface Router {

/**

* Decode a path by delegating to {@link URLDecoder#decode(String, String)}.

*

* @param path Path to decoded.

* @return Decode a path by delegating to {@link URLDecoder#decode(String, String)}.

*/

static String decode(String path) {

return Try.apply(() -> URLDecoder.decode(path, "UTF-8")).get();

}

/**

* Import content from provide application (routes, parsers/renderers, start/stop callbacks, ...

* etc.).

*

* @param app Routes provider.

* @return This router.

*/

@Nonnull

Router use(final Jooby app);

/**

* Group one or more routes under a common path.

*

* <pre>{@code

* {

* path("/api/pets", () -> {

*

* });

* }

* }</pre>

*

* @param path Common path.

* @param action Router action.

* @return This router.

*/

Route.Collection path(String path, Runnable action);

/**

* Import content from provide application (routes, parsers/renderers, start/stop callbacks, ...

* etc.). Routes will be mounted at the provided path.

*

* @param path Path to mount the given app.

* @param app Routes provider.

* @return This router.

*/

@Nonnull

Router use(final String path, final Jooby app);

/**

* Append a new filter that matches any method under the given path.

*

* @param path A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition use(String path, Route.Filter filter);

/**

* Append a new filter that matches the given method and path.

*

* @param method A HTTP method.

* @param path A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition use(String method, String path, Route.Filter filter);

/**

* Append a new route handler that matches the given method and path. Like

* {@link #use(String, String, org.jooby.Route.Filter)} but you don't have to explicitly call

* {@link Route.Chain#next(Request, Response)}.

*

* @param method A HTTP method.

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition use(String method, String path, Route.Handler handler);

/**

* Append a new route handler that matches any method under the given path. Like

* {@link #use(String, org.jooby.Route.Filter)} but you don't have to explicitly call

* {@link Route.Chain#next(Request, Response)}.

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition use(String path, Route.Handler handler);

/**

* Append a new route handler that matches any method under the given path.

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition use(String path, Route.OneArgHandler handler);

/**

* Append a route that matches the HTTP GET method:

*

* <pre>

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

* rsp.send(something);

* });

* </pre>

*

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

default Route.Definition get(Route.Handler handler) {

return get("/", handler);

}

/**

* Append a route that matches the HTTP GET method:

*

* <pre>

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

* rsp.send(something);

* });

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition get(String path, Route.Handler handler);

/**

* Append two routes that matches the HTTP GET method on the same handler:

*

* <pre>

* get("/model", "/mode/:id", (req, rsp) {@literal ->} {

* rsp.send(req.param("id").toOptional(String.class));

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, Route.Handler handler);

/**

* Append three routes that matches the HTTP GET method on the same handler:

*

* <pre>

* get("/p1", "/p2", "/p3", (req, rsp) {@literal ->} {

* rsp.send(req.path());

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, String path3, Route.Handler handler);

/**

* Append route that matches the HTTP GET method:

*

* <pre>

* get(req {@literal ->} {

* return "hello";

* });

* </pre>

*

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

default Route.Definition get(Route.OneArgHandler handler) {

return get("/", handler);

}

/**

* Append route that matches the HTTP GET method:

*

* <pre>

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

* return "hello";

* });

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition get(String path, Route.OneArgHandler handler);

/**

* Append three routes that matches the HTTP GET method on the same handler:

*

* <pre>

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

* return req.param("id").toOptional(String.class);

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, Route.OneArgHandler handler);

/**

* Append three routes that matches the HTTP GET method on the same handler:

*

* <pre>

* get("/p1", "/p2", "/p3", req {@literal ->} {

* return req.path();

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, String path3, Route.OneArgHandler handler);

/**

* Append route that matches HTTP GET method:

*

* <pre>

* get(() {@literal ->}

* "hello"

* );

* </pre>

*

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

default Route.Definition get(Route.ZeroArgHandler handler) {

return get("/", handler);

}

/**

* Append route that matches HTTP GET method:

*

* <pre>

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

* "hello"

* );

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition get(String path, Route.ZeroArgHandler handler);

/**

* Append three routes that matches the HTTP GET method on the same handler:

*

* <pre>

* get("/p1", "/p2", () {@literal ->} {

* return "OK";

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, Route.ZeroArgHandler handler);

/**

* Append three routes that matches HTTP GET method on the same handler:

*

* <pre>

* get("/p1", "/p2", "/p3", () {@literal ->} {

* return "OK";

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, String path3, Route.ZeroArgHandler handler);

/**

* Append a filter that matches HTTP GET method:

*

* <pre>

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

* chain.next(req, rsp);

* });

* </pre>

*

* @param path A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition get(String path, Route.Filter filter);

/**

* Append three routes that matches the HTTP GET method on the same handler:

*

* <pre>

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

* req.param("id").toOptional(String.class);

* chain.next(req, rsp);

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, Route.Filter filter);

/**

* Append three routes that supports HTTP GET method on the same handler:

*

* <pre>

* get("/p1", "/p2", "/p3", (req, rsp, chain) {@literal ->} {

* chain.next(req, rsp);

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection get(String path1, String path2, String path3, Route.Filter filter);

/**

* Append a route that supports HTTP POST method:

*

* <pre>

* post((req, rsp) {@literal ->} {

* rsp.send(something);

* });

* </pre>

*

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

default Route.Definition post(Route.Handler handler) {

return post("/", handler);

}

/**

* Append a route that supports HTTP POST method:

*

* <pre>

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

* rsp.send(something);

* });

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition post(String path, Route.Handler handler);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2", (req, rsp) {@literal ->} {

* rsp.send(req.path());

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, Route.Handler handler);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2", "/p3", (req, rsp) {@literal ->} {

* rsp.send(req.path());

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, String path3, Route.Handler handler);

/**

* Append route that supports HTTP POST method:

*

* <pre>

* post(req {@literal ->}

* "hello"

* );

* </pre>

*

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

default Route.Definition post(Route.OneArgHandler handler) {

return post("/", handler);

}

/**

* Append route that supports HTTP POST method:

*

* <pre>

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

* "hello"

* );

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition post(String path, Route.OneArgHandler handler);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2", req {@literal ->} {

* return req.path();

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, Route.OneArgHandler handler);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2", "/p3", req {@literal ->} {

* return req.path();

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, String path3, Route.OneArgHandler handler);

/**

* Append route that supports HTTP POST method:

*

* <pre>

* post(() {@literal ->}

* "hello"

* );

* </pre>

*

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

default Route.Definition post(Route.ZeroArgHandler handler) {

return post("/", handler);

}

/**

* Append route that supports HTTP POST method:

*

* <pre>

* post("/", () {@literal ->}

* "hello"

* );

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition post(String path, Route.ZeroArgHandler handler);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2", {@literal ->} {

* return "OK";

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, Route.ZeroArgHandler handler);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2", "/p3", () {@literal ->} {

* return "OK";

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, String path3, Route.ZeroArgHandler handler);

/**

* Append a route that supports HTTP POST method:

*

* <pre>

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

* chain.next(req, rsp);

* });

* </pre>

*

* @param path A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition post(String path, Route.Filter filter);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2",(req, rsp, chain) {@literal ->} {

* chain.next(req, rsp);

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, Route.Filter filter);

/**

* Append three routes that supports HTTP POST method on the same handler:

*

* <pre>

* post("/p1", "/p2", "/p3", (req, rsp, chain) {@literal ->} {

* chain.next(req, rsp);

* });

* </pre>

*

* @param path1 A path pattern.

* @param path2 A path pattern.

* @param path3 A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Collection post(String path1, String path2, String path3, Route.Filter filter);

/**

* Append a route that supports HTTP HEAD method:

*

* <pre>

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

* rsp.send(something);

* });

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition head(String path, Route.Handler handler);

/**

* Append route that supports HTTP HEAD method:

*

* <pre>

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

* "hello"

* );

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition head(String path, Route.OneArgHandler handler);

/**

* Append route that supports HTTP HEAD method:

*

* <pre>

* head("/", () {@literal ->}

* "hello"

* );

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition head(String path, Route.ZeroArgHandler handler);

/**

* Append a route that supports HTTP HEAD method:

*

* <pre>

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

* chain.next(req, rsp);

* });

* </pre>

*

* @param path A path pattern.

* @param filter A filter to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition head(String path, Route.Filter filter);

/**

* Append a new route that automatically handles HEAD request from existing GET routes.

*

* <pre>

* {

* head();

* }

* </pre>

*

* @return A new route definition.

*/

@Nonnull

Route.Definition head();

/**

* Append a route that supports HTTP OPTIONS method:

*

* <pre>

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

* rsp.header("Allow", "GET, POST");

* });

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition options(String path, Route.Handler handler);

/**

* Append route that supports HTTP OPTIONS method:

*

* <pre>

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

* return Results.with(200).header("Allow", "GET, POST")

* );

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition options(String path, Route.OneArgHandler handler);

/**

* Append route that supports HTTP OPTIONS method:

*

* <pre>

* options("/", () {@literal ->}

* return Results.with(200).header("Allow", "GET, POST")

* );

* </pre>

*

* @param path A path pattern.

* @param handler A handler to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition options(String path, Route.ZeroArgHandler handler);

/**

* Append a route that supports HTTP OPTIONS method:

*

* <pre>

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

* rsp.header("Allow", "GET, POST");

* chain.next(req, rsp);

* });

* </pre>

*

* @param path A path pattern.

* @param filter A callback to execute.

* @return A new route definition.

*/

@Nonnull

Route.Definition options(String path, Route.Filter filter);

/**

* Append a new route that automatically handles OPTIONS requests.

*

* <pre>

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

* rsp.send(something);

* });

*

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

* rsp.send(something);

* });

*

* options("/");

* </pre>

*