/*
 * task.h: declares functions for manipulation with tasks
 */

#ifndef TASK_H
#define TASK_H

#include <stdbool.h>
#include <time.h>
#include <stdbool.h>
#include <stdint.h>

enum task_check { // whether to check formula in signal handler or when variable changes
	SIGNAL, VARCHG
};

struct task {
	// Time info
	struct itimerspec times;
	timer_t timerid;

	// Command to run
	char **argv; //NULL terminated list of NUL terminated strings

	// Formula to be checked when running
	char *formula; // in RPN, NUL terminated
	enum task_check when;
	bool run; // dynamic programming

	// Disabling/enabling
	bool enabled;
};

bool task_add(struct task t);
bool task_disable(uint64_t id);
bool task_enable(uint64_t id);
bool task_delete(uint64_t id);

struct grow *task_list(void);
struct task task_details(uint64_t id);
void task_recalc(uint64_t id);

bool task_load(void);
bool task_save(void);
void task_flush(void);

#endif