///
/// @file schedule.h
/// @authors k. headley
/// @date 05 dec 2019

/// Cron-like schedule parsing, library and inspection

/// @sa doxygen-examples.c for more examples of Doxygen markup


/////////////////////////
// Terms of use
/////////////////////////
/*
 Copyright Information
  
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 Monterey Bay Aquarium Research Institute, all rights reserved.
 
 Terms of Use
 
 This program is free software; you can redistribute it and/or modify
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 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version. You can access the GPLv3 license at
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 This program is distributed in the hope that it will be useful,
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 */

// Always do this
#ifndef SCHEDULE_H
#define SCHEDULE_H

/////////////////////////
// Includes 
/////////////////////////
#include <stdio.h>

#include "cwg-shared.h"

/////////////////////////
// Macros
/////////////////////////
#define SCH_LEN_BYTES 25
#define SCH_ZERO(s) memset(s,0,SCH_LEN_BYTES)
#define SCH_CHK_RANGE(x,min,max) ( (((x)>=min) && ((x)<=max)) ? true : false)
#define SCH_IS_LEAPYEAR(y) ( ( ( (y)%4==0) || ((y)%400==0) || ((y)%100==0 && (y)%400==0) ) ? true : false )
/////////////////////////
// Type Definitions
/////////////////////////
typedef byte schedule_t[SCH_LEN_BYTES];

typedef struct sched_range_s{
    int span[2];
    int range[3];
    int xz;
    int xo;
}sched_range_t;

/////////////////////////
// Exports
/////////////////////////

#ifdef __cplusplus
extern "C" {
#endif
int sched_parse(schedule_t dest, char *spec);
bool sched_match_tm(schedule_t dest, Time *ptm);
bool sched_match_tt(schedule_t dest, time_t *tpos);
int sched_r_show(schedule_t self,int indent);
int sched_b_show(schedule_t self,int indent);
time_t sched_next(schedule_t self, Time *ptm);

#ifdef __cplusplus
}
#endif

#endif // THIS_FILE
