public abstract class Bericht {
    private String afzender;
    private int timestamp;
    protected String bericht;

    public Bericht(String afzender, String bericht)
    {
        this.afzender = afzender;
        this.bericht = bericht;
        timestamp = 0;
    }

    public String getAfzender()
    {
        return afzender;
    }

    public void setTimestamp(int timestamp)
    {
        this.timestamp = timestamp;
    }

    public int getTimestamp()
    {
        return timestamp;
    }

    public String leeftijd() {
        String interval = "";

        if (timestamp < 60)
        {
            interval = "nieuw";
        }
        else if(timestamp < 119)
        {
            interval = "1 minuut geleden";
        }
        else if(timestamp < 3600)
        {
            interval = (timestamp / 60) + " minuten geleden";
        }
        else if(timestamp < 7199)
        {
            interval = "1 uur geleden";
        }
        else if(timestamp < 86400){
            interval = (timestamp / 3600) + " uren geleden";
        }
        else if(timestamp < 172799)
        {
            interval = "1 dag geleden";
        }
        else
        {
            interval = (timestamp / 86400) + " dagen geleden";
        }
        return interval;
    }

    public abstract void print();
}