esmp3/include/controller.h

#pragma once

#include <Arduino.h>
#include <ESPAsyncWebServer.h>
#include "config.h"

class Controller;

#include "player.h"
#include "playlist.h"
#include "playlist_manager.h"
#include "http_server.h"
#include <MFRC522.h>

enum ControllerState { NORMAL, LOCKING, LOCKED };

class Controller {
private:
	MFRC522* _rfid;
	HTTPServer* _http_server;
	ControllerState _state = NORMAL;
	bool _rfid_enabled = true;
	void _check_rfid();
	void _check_serial();
	void _check_buttons();
	bool _debounce_button(uint8_t index);
	uint32_t _get_rfid_card_uid();
	String _read_rfid_data();
	bool _rfid_present = false;
	String _last_rfid_uid = "";
	String _last_rfid_data = "";
	
	unsigned long _last_rfid_scan_at = 0;
	unsigned long _last_position_info_at = 0;
	String _serial_buffer = String();
	String _cmd_queue = "";
	void _execute_command_ls(String path);
	void _execute_command_ids();
	void _execute_command_help();
	unsigned long _button_last_pressed_at[NUM_BUTTONS];
	bool _check_button(uint8_t btn);
public:
	Controller(Player* p, PlaylistManager* pm);
	PlaylistManager* pm;
	Player* player;
	void register_http_server(HTTPServer* h);
	void loop();
	void send_controller_status();
	void send_player_status();
	void send_playlist_manager_status();
	void send_position();
	void inform_new_client(AsyncWebSocketClient* client);
	String json();
	bool process_message(String m);
	void queue_command(String cmd);
	void update_playlist_manager();
};