#ifndef __SETTINGS_H__
#define __SETTINGS_H__

#include "ApplicationSettings.h"
#include "Singleton.h"
#include <boost/asio/system_timer.hpp>
#include <boost/beast/http/string_body.hpp>
#include <thread>
#include "matches.hpp"

class HttpSession;
class SystemUsage;
class IoContext;
class SignalServer;

namespace Nng {
namespace Asio {
class Socket;
}
} // namespace Nng

class ApplicationPrivate;
class Application : public ApplicationSettings<Application>, public std::enable_shared_from_this<Application> {
public:
    using Pointer = std::shared_ptr<Application>;
    using Request = boost::beast::http::request<boost::beast::http::string_body>;
    using RequestHandler = std::function<void(HttpSession &, const Request &, const boost::urls::matches &)>;

    BUILD_SETTING(std::string, Server, "0.0.0.0");
    BUILD_SETTING(uint16_t, Port, 8081);
    BUILD_SETTING(uint16_t, WtPort, 8082);
    BUILD_SETTING(uint32_t, Threads, std::thread::hardware_concurrency());
    BUILD_SETTING(std::string, ApplicationRoot, "."); // 内部配置文件，不应被外部访问
    BUILD_SETTING(std::string, DocumentRoot, ".");    // 外部可访问的公共文件
    BUILD_SETTING(std::string, HomeAssistantAccessToken, "");
    BUILD_SETTING(std::string, MeiliSearchApiKey, "");
    BUILD_SETTING(std::string, MeiliSearchConfig, "");

    INITIALIZE_FIELDS(Server, Port, Threads, ApplicationRoot, DocumentRoot);
    Application(const std::string &path);
    ~Application();
    boost::asio::io_context &ioContext();
    int exec();

    void startAcceptHttpConnections(const std::string &address, uint16_t port);
    void insertUrl(std::string_view url, RequestHandler &&handler);
    static void requetExit();

protected:
    void alarmTask();
    void startAcceptRequest();
    void asyncAcceptHttpConnections();

private:
    ApplicationPrivate *m_d = nullptr;
    int m_status = 0;
    std::shared_ptr<IoContext> m_ioContext;
    std::shared_ptr<boost::asio::system_timer> m_timer;
    std::shared_ptr<SystemUsage> m_systemUsage;
    std::shared_ptr<Nng::Asio::Socket> m_replyer;
    std::shared_ptr<SignalServer> m_signalServer;
};

#endif // __SETTINGS_H__