#ifndef WORDCLOCK_ESP8266_H
#define WORDCLOCK_ESP8266_H

#include <Arduino.h>
#include <ESP8266WebServer.h>
#include "led_matrix.h"
#include "udp_logger.h"

#define RANGE_LIMIT(X, MIN, MAX) (((X) < (MIN)) ? (MIN) : (((X) > (MAX)) ? (MAX) : (X)))
#define RANGE_LIMIT_SUB(X, MIN, MAX, SUB) (((X) < (MIN)) ? (SUB) : (((X) > (MAX)) ? (SUB) : (X)))

#define EEPROM_SIZE (sizeof(EepromLayout_st) / sizeof(uint8_t))

typedef struct
{
    int start_hour;
    int start_min;
    int end_hour;
    int end_min;
} NightModeTimes_st;

typedef struct
{
    uint8_t red;
    uint8_t green;
    uint8_t blue;
    uint8_t alpha;
} Color_st;

typedef struct
{
    uint8_t static_brightness;   // user-controlled static brightness of LEDs
    uint8_t dyn_brightness_min;  // user-controlled min brightness of LEDs
    uint8_t dyn_brightness_max;  // user-controlled max brightness of LEDs
    bool flg_dynamic_brightness; // flag if user wants to use daytime dynamic brightness
} Brightness_st;

typedef struct
{
    NightModeTimes_st night_mode_times;
    Brightness_st brightness_values;
    Color_st color_values;
} EepromLayout_st;

typedef enum
{
    ST_CLOCK,
    ST_DICLOCK,
    ST_SPIRAL,
    ST_TETRIS,
    ST_SNAKE,
    ST_PINGPONG,
    ST_HEARTS,
    NUM_STATES
} ClockState_en;

String leading_zero2digit(int value);
uint8_t calculate_dynamic_brightness(uint8_t min_brightness, uint8_t max_brightness, int hours, int minutes, bool summertime);
uint8_t update_brightness(void);
void check_night_mode(void);
void check_wifi_status(void);
void draw_main_color(void);
void handle_button(void);
void handle_command(void);
void handle_current_state(void);
void handle_data_request(void);
void handle_led_direct(void);
void limit_value_ranges(void);
void ntp_time_update(uint32 *last_ntp_update_us);
void on_state_entry(uint8_t state);
void read_settings_from_EEPROM(void);
void reset_wifi_credentials(void);
void send_heartbeat(void);
void set_dynamic_brightness(bool state);
void set_main_color(uint8_t red, uint8_t green, uint8_t blue);
void set_night_mode(bool on);
void state_change(uint8_t newState);
void update_matrix(void);
void write_settings_to_EEPROM(void);

#endif /* WORDCLOCK_ESP8266_H */