import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.inventory.InventoryCloseEvent;
import org.bukkit.event.inventory.InventoryOpenEvent;
import org.bukkit.event.inventory.InventoryType;

public class InventoryListener implements Listener {

    public InventoryListener(){} // Registered elsewhere

    @EventHandler (priority = EventPriority.LOWEST, ignoreCancelled = true)
    public void onInventoryOpen(InventoryOpenEvent event){
        if(event.getView().getType().equals(InventoryType.PLAYER)){
            Player player = Bukkit.getPlayer(event.getPlayer().getName());
            player.sendMessage("OPEN");
        }
    }

    @EventHandler (priority = EventPriority.LOWEST, ignoreCancelled = true)
    public void onInventoryClose(InventoryCloseEvent event){
        if(event.getView().getType().equals(InventoryType.PLAYER)){
            Player player = Bukkit.getPlayer(event.getPlayer().getName());
            player.sendMessage("CLOSE");
        }
    }

    @EventHandler (priority = EventPriority.LOWEST, ignoreCancelled = true)
    public void onInventoryClick(InventoryClickEvent event){
        if(event.getView().getType().equals(InventoryType.PLAYER)){
            Player player = Bukkit.getPlayer(event.getWhoClicked().getName());
            player.sendMessage("CLICK");
        }
    }
}