#pragma once

// Router: FastAPI-style route groups mounted on the app with a shared prefix.
// Gap: real molo::routing in 05-request-routing.md owns path compilation,
// url_for and converters; this skeleton supports {param} segments only.

#include <functional>
#include <string>
#include <vector>

#include "Http.hpp"

namespace molo::example::fw {

using Handler = std::function<Response(Request)>;

struct Route {
  std::vector<Method> methods;
  std::string pattern;
  std::string name;
  Handler handler;
};

class Router {
 public:
  void add(std::vector<Method> methods, std::string pattern, std::string name,
           Handler handler);

  void get(std::string pattern, std::string name, Handler handler);
  void post(std::string pattern, std::string name, Handler handler);
  void put(std::string pattern, std::string name, Handler handler);
  void patch(std::string pattern, std::string name, Handler handler);
  void del(std::string pattern, std::string name, Handler handler);
  void options(std::string pattern, std::string name, Handler handler);
  void any(std::vector<Method> methods, std::string pattern, std::string name,
           Handler handler);

  void include_router(const std::string& prefix, const Router& other,
                      const std::string& name_prefix = "");

  bool match(Request& req, Handler& out) const;

  const std::vector<Route>& routes() const;

 private:
  std::vector<Route> routes_;
};

bool match_pattern(std::string_view pattern, std::string_view path,
                   std::map<std::string, std::string>& params);

}  // namespace molo::example::fw