// Copyright (c) rAthena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#ifndef TIMER_HPP
#define TIMER_HPP

#include <ctime>

#include "cbasetypes.hpp"

typedef int64 t_tick;
#define PRtf PRId64

static inline t_tick tick_diff( t_tick a, t_tick b ){
	return a - b;
}

// Convenience for now
#define DIFF_TICK(a,b) tick_diff(a,b)

const t_tick INFINITE_TICK = -1;

#define INVALID_TIMER -1
#define CLIF_WALK_TIMER -2

// timer flags
enum {
	TIMER_ONCE_AUTODEL = 0x01,
	TIMER_INTERVAL = 0x02,
	TIMER_REMOVE_HEAP = 0x10,
};

#define TIMER_FUNC(x) int32 x ( int32 tid, t_tick tick, int32 id, intptr_t data )

// Struct declaration
typedef TIMER_FUNC((*TimerFunc));

struct TimerData {
	t_tick tick;
	TimerFunc func;
	uint32 type;
	int32 interval;

	// general-purpose storage
	int32 id;
	intptr_t data;
};

// Function prototype declaration

t_tick gettick(void);
t_tick gettick_nocache(void);

int32 add_timer(t_tick tick, TimerFunc func, int32 id, intptr_t data);
int32 add_timer_interval(t_tick tick, TimerFunc func, int32 id, intptr_t data, int32 interval);
const struct TimerData* get_timer(int32 tid);
int32 delete_timer(int32 tid, TimerFunc func);

t_tick addtick_timer(int32 tid, t_tick tick);
t_tick settick_timer(int32 tid, t_tick tick);

int32 add_timer_func_list(TimerFunc func, const char* name);

unsigned long get_uptime(void);

//transform a timestamp to string
const char* timestamp2string(char* str, size_t size, time_t timestamp, const char* format);
void split_time(int32 time, int* year, int* month, int* day, int* hour, int* minute, int* second);
double solve_time(char* modif_p);

t_tick do_timer(t_tick tick);
void timer_init(void);
void timer_final(void);

#endif /* TIMER_HPP */