/**
 * TODO file description
 */

#ifndef ZAVLAHA_APP_GUI_H
#define ZAVLAHA_APP_GUI_H

#include <stdbool.h>
#include <stdint.h>
#include <pico/time.h>
#include "gui_event.h"
#include "lcd/lcdbuf.h"
#include "ds_rtc.h"

// 🌢🅰🅱🅲🅳❶❷❸❹⊛¤▌↑↓✔

/// Temporary scratch buffer
extern char sbuf[100];
#define sbuf_len 100

extern struct LcdBuffer lcd;

/**
 * Screen callback type. The event is either INIT, PAINT, or one of the input events.
 */
typedef void (*screen_t)(GuiEvent event);


static inline uint32_t timestamp_ms() {
    return to_ms_since_boot(get_absolute_time());
}

/** Input beep (push or knob turn) */
void input_sound_effect();


void gui_loop_iter(GuiEvent message);
void gui_init();

/** Switch to a different screen. Handles initial push state handling (so release
 * does not cause a "click" event).
 *
 * @param pScreen - screen to switch to
 * @param init - call the INIT event immediately after
 */
void switch_screen(screen_t pScreen, bool init);

void switch_to_subscreen(screen_t pScreen);
void switch_to_parent_screen(screen_t pScreen);

void request_paint();

// prototypes for screen handlers

void screen_home(GuiEvent event);
void screen_cyklus(GuiEvent event);
extern struct AppConfig settings_scratch;
void screen_settings(GuiEvent event);
void screen_set_time(GuiEvent event);
void screen_set_moisture_threshold(GuiEvent event);
void screen_moisture_calib(GuiEvent event);
void screen_delka_zalivky(GuiEvent event);
void screen_kompenzace_tlaku(GuiEvent event);
void screen_program_prehled(GuiEvent event);
void screen_suche_dny(GuiEvent event);
void screen_manual_control(GuiEvent event);

uint8_t days_to_next_watering();

extern int pgm_edit_slot;
void screen_program_edit(GuiEvent event);
// XXX other prototypes

void gui_read_moisture();

// This is actually the global app state!
struct State {
  struct rtc_time rtc_time;
  uint16_t moisture_raw;
  uint16_t moisture_pt;
  struct rtc_time last_cycle_time;
  bool cycle_time_checking; // This is used to prevent cycle being started again and again during the same minute - it is cleared once the HH:MM time changes.

  /// Repaint was requested from the screen code
  bool paint_needed;

  /// Pointer to the currently active screen func
  screen_t screen;

  uint32_t last_10ms_time;
  uint32_t last_100ms_time;
  uint32_t last_1s_time;


  uint32_t screen_open_time;

  bool today_is_watering_day;
  uint8_t last_watering_day_wd;
};

extern struct State s_app;

#endif //ZAVLAHA_APP_GUI_H