#ifndef WATCH_FACE_H
#define WATCH_FACE_H

#include "lvgl.h"
#include <time.h>

typedef void (*DateTimeCb_t)(struct tm * const dateTime);

typedef struct DateWindow
{
    lv_obj_t *dateWindowWidget;
    char dateWindowText[3];
} DateWindow_t;

typedef struct WatchHand
{
    lv_obj_t *handImg;
    float handAngle;
}WatchHand_t;

/* Watch face context object */
typedef struct WatchFace
{
    DateTimeCb_t dateTimeCb; //Call back function used to retrieve the date and time needed by the watch face
    WatchHand_t hourHand;
    WatchHand_t minuteHand;
    WatchHand_t secondHand;
    WatchHand_t mediumHand24h;
    lv_timer_t *handAnimationTimer;
    lv_obj_t *display;
    DateWindow_t dateWindow;

    struct tm dateTime;
} WatchFace_t;

/* Initializes the watch face context object */
void watch_face_init(WatchFace_t * const watchFace);

/* Registers a call back function to retrieve the time and date */
void watch_face_register_cb(WatchFace_t * const watchFace, DateTimeCb_t DateTimeCb);

/* Builds the watch face graphically */
void watch_face_create(WatchFace_t * const watchFace);

/* Frees all resources used by the WatchFace object */
void watch_face_destroy(WatchFace_t * const watchFace);

#endif // WATCH_FACE_H