package cz.cuni.amis.pogamut.ut2004.agent.module.sensomotoric;
   
   import cz.cuni.amis.pogamut.ut2004.communication.messages.ItemType;
   import cz.cuni.amis.pogamut.ut2004.communication.messages.ItemType.Category;
   import cz.cuni.amis.pogamut.unreal.communication.messages.UnrealId;
   import cz.cuni.amis.pogamut.ut2004.communication.messages.gbcommands.ChangeWeapon;
   import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.AddInventoryMsg;
   import cz.cuni.amis.pogamut.ut2004.communication.translator.itemdescriptor.WeaponDescriptor;
   import cz.cuni.amis.utils.exception.PogamutException;
  
  /**
   * Class that holds information about the weapon the bot has in its inventory.
   * <p><p>
   * It provides information about number of primary and secondary ammo the bot has for the weapon
   * as well as weapon's {@link WeaponDescriptor}, its {@link ItemType} and inventory {@link UnrealId}.
   * 
   * @author Jimmy
   */
  public class Weapon {
  
  	protected ItemType weaponType = null;
  	protected int primaryAmmo = 0;
  	protected int secondaryAmmo = 0;
  	protected UnrealId inventoryId;
  	protected WeaponDescriptor descriptor = null;
  	
  	protected Weapon(AddInventoryMsg weaponGained, int primaryAmmo, int secondaryAmmo) {
  		if (weaponGained.getPickupType().getCategory() != Category.WEAPON) {
  			throw new PogamutException("Could not create Weapon class out of inventory item that is not a weapon.", this);
  		}
  		this.weaponType = weaponGained.getPickupType();
  		this.inventoryId = weaponGained.getId();
  		this.descriptor = (WeaponDescriptor) weaponGained.getDescriptor();
  		this.primaryAmmo = primaryAmmo;
  		this.secondaryAmmo = secondaryAmmo;
  	}
  	
  	/**
  	 * Returns type of the weapon.
  	 * @return
  	 */
  	public ItemType getType() {
  		return weaponType;
  	}
  	
  	/**
  	 * Returns group of the weapon.
  	 * @return
  	 */
  	public ItemType.Group getGroup() {
  		return weaponType.getGroup();
  	}
  
  	/**
  	 * Returns how many primary ammo the bot is wielding for this weapon.
  	 * @return
  	 */
  	public int getPrimaryAmmo() {
  		return primaryAmmo;
  	}
  
  	/**
  	 * Returns how many secondary ammo the bot is wielding for this weapon.
  	 * @return
  	 */
  	public int getSecondaryAmmo() {
  		return secondaryAmmo;
  	}
  
  	/**
  	 * Returns inventory ID of the weapon.
  	 * <p><p>
  	 * This id is sought to be used with {@link ChangeWeapon} command, use {@link UnrealId#getStringId()} to obtain
  	 * the string representation of the weapon's inventory ID.
  	 * 
  	 * @return
  	 */
  	public UnrealId getInventoryId() {
  		return inventoryId;
  	}
  
  	/**
  	 * Returns complete descriptor of the weapon containing various information about the weapon behavior in game.
  	 */
  	public WeaponDescriptor getDescriptor() {
  		return descriptor;
  	}
  	
  //	/**
  //	 * Returns maximal effective distance of the weapon's primary firing mode.
  //	 * @return
  //	 */
  // getPriMaxEffectDistance is almost always 0
  //	public double getEffectiveDistance() {
  //		return descriptor.getPriMaxEffectDistance();
  //	}
  	
  	/**
       * Whether the weapon has secondary ammo different from the primary.
      * @return
      */
     public boolean hasSecondaryAmmoType() {
     	return getDescriptor().getSecAmmoItemType() != null && getDescriptor().getPriAmmoItemType() != getDescriptor().getSecAmmoItemType();    		
     }
 
 	/**
 	 * Returns total amount of ammo the bot has for the weapon (both primary and secondary).
 	 * @return
 	 */
 	public int getAmmo() {
 		return getPrimaryAmmo() + getSecondaryAmmo();
 	}
 	
 	@Override
 	public String toString() {
 		if (getType() == null) {
 			return "Weapon[type=UNKNOWN, primary ammo=" + getPrimaryAmmo() + ", secondary ammo=" + getSecondaryAmmo() + "]";
 		} else
 		if (hasSecondaryAmmoType()) {
 			return "Weapon[type=" + getType().getName() + ", primary ammo=" + getPrimaryAmmo() + ", secondary ammo=" + getSecondaryAmmo() + "]";
 		} else {
 			return "Weapon[type=" + getType().getName() + ", ammo=" + getPrimaryAmmo() + "]";
 		}
 	}
 
 }