PicoTime.h

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#pragma once
 
#include <ctime>
#include <string>
#include "pico/stdlib.h"
 
#include "time/TimeOfDay.h"
#include "time/DaysOfWeek.h"
 
#if PICO_RP2040
#include "hardware/rtc.h"
#endif
 
class PicoTime
{
public:
    static time_t now();
 
    static struct tm nowTm();
 
    #if PICO_RP2040
    static datetime_t nowDatetime();
    #endif
    static std::string getNowHhMmSs();
 
    static struct tm todayAt(const struct tm *hhmmss);
 
    static time_t todayAtTimeT(const struct tm *hhmmss);
 
    static std::string todayHhMmSsString(const struct tm *hhmmss);
 
    static void printNow();
 
    static void print(time_t t);
 
    static void print(const struct tm *t);
 
    #if PICO_RP2040
 
    static void print(const datetime_t *dt);
    #endif
    
    static TimeOfDay toTimeOfDay(uint32_t timestamp) {
        time_t t = static_cast<time_t>(timestamp);
        struct tm tm;
        localtime_r(&t, &tm);
        return TimeOfDay{ static_cast<uint8_t>(tm.tm_hour), static_cast<uint8_t>(tm.tm_min), static_cast<uint8_t>(tm.tm_sec) };
    }
    
    static DaysOfWeek dayOfWeekBitmask(uint32_t timestamp) {
        uint32_t days = timestamp / 86400;
        uint8_t weekday = (days + 4) % 7;  // Sunday = 0
        return static_cast<DaysOfWeek>(1u << weekday);
    }  
    
    static Day dayOfWeek(uint32_t timestamp) {
        uint32_t days = timestamp / 86400;
        uint8_t weekday = (days + 4) % 7;  // Sunday = 0
        return static_cast<Day>(1u << weekday);
    }
 
    static std::string formatIso8601(time_t t);  // e.g., "2025-05-15T06:00:00"
 
};