#ifndef _PLOTTER_STATE_
#define _PLOTTER_STATE_

enum system_status {
	SYSTEM_STATUS_NO_USB = -1,
	SYSTEM_STATUS_UNKNOWN,
	SYSTEM_STATUS_CHARGING,
	SYSTEM_STATUS_DISCHARGING,
	SYSTEM_STATUS_MONITORING,
	SYSTEM_STATUS_COMPLETED = 6,
};

struct log_plotter_status {
	int old_system_status;
	int system_status;
};

extern struct log_plotter_status plotter_state;

static inline void set_plotter_system_status(int new_status)
{
	plotter_state.system_status = new_status;
}

static inline char *state_to_str(int state)
{
	switch (state) {
	case SYSTEM_STATUS_NO_USB:
		return "No USB";

	case SYSTEM_STATUS_CHARGING:
		return "Charging";

	case SYSTEM_STATUS_DISCHARGING:
		return "Discharging";

	case SYSTEM_STATUS_MONITORING:
		return "Monitoring";

	case SYSTEM_STATUS_COMPLETED:
		return "Completed";

	default:
		return "Unknown";
	}
}

static inline int state_has_changed(void)
{
	return plotter_state.old_system_status != plotter_state.system_status;
}

#endif