#pragma once

#include "esp_http_server.h"

class WebServer {
public:
    static WebServer& instance();

    void start();
    void stop();
    bool isRunning() const { return server_ != nullptr; }

private:
    WebServer() = default;
    ~WebServer();
    WebServer(const WebServer&) = delete;
    WebServer& operator=(const WebServer&) = delete;

    httpd_handle_t server_ = nullptr;

    // HTTP handlers
    static esp_err_t rootHandler(httpd_req_t* req);
    static esp_err_t staticFileHandler(httpd_req_t* req);
    static esp_err_t imagesHandler(httpd_req_t* req);
    static esp_err_t getConfigHandler(httpd_req_t* req);
    static esp_err_t postConfigHandler(httpd_req_t* req);
    static esp_err_t postSaveHandler(httpd_req_t* req);
    static esp_err_t postResetHandler(httpd_req_t* req);
    static esp_err_t getKnxAddressesHandler(httpd_req_t* req);
    static esp_err_t postUsbModeHandler(httpd_req_t* req);
    static esp_err_t getStatusHandler(httpd_req_t* req);

    // Helper functions
    static const char* getContentType(const char* filepath);
    static esp_err_t sendFile(httpd_req_t* req, const char* filepath);
};