#pragma once

#include "sandbox_state.h"
#include "sandbox_types.h"

#ifdef LOG_STATE_CHANGES
#define SANDBOX_STATE_HISTORY_CAPACITY 100
#else
#define SANDBOX_STATE_HISTORY_CAPACITY 0
#endif

struct sandbox_state_history {
	uint16_t        size;
	sandbox_state_t buffer[SANDBOX_STATE_HISTORY_CAPACITY];
};

static inline void
sandbox_state_history_init(struct sandbox_state_history *sandbox_state_history)
{
#ifdef LOG_STATE_CHANGES
	memset(sandbox_state_history, 0, sizeof(struct sandbox_state_history));
#endif
}

static inline void
sandbox_state_history_append(struct sandbox_state_history *sandbox_state_history, sandbox_state_t state)
{
#ifdef LOG_STATE_CHANGES
	if (likely(sandbox_state_history->size < SANDBOX_STATE_HISTORY_CAPACITY)) {
		sandbox_state_history->buffer[sandbox_state_history->size++] = state;
	}
#endif
}