using System;

namespace Server.Items
{
  /// <summary>
  ///   This attack allows you to disarm your foe.
  ///   Now in Age of Shadows, a successful Disarm leaves the victim unable to re-arm another weapon for several seconds.
  /// </summary>
  public class Disarm : WeaponAbility
  {
    public static readonly TimeSpan BlockEquipDuration = TimeSpan.FromSeconds(5.0);

    public override int BaseMana => 20;

    // No longer active in pub21:
    /*public override bool CheckSkills( Mobile from )
    {
      if (!base.CheckSkills( from ))
        return false;

      if (!(from.Weapon is Fists))
        return true;

      Skill skill = from.Skills.ArmsLore;

      if (skill?.Base >= 80.0)
        return true;

      from.SendLocalizedMessage( 1061812 ); // You lack the required skill in armslore to perform that attack!

      return false;
    }*/

    public override bool RequiresTactics(Mobile from)
    {
      if (!(from.Weapon is BaseWeapon weapon))
        return false;

      return weapon.Skill != SkillName.Wrestling;
    }

    public override void OnHit(Mobile attacker, Mobile defender, int damage)
    {
      if (!Validate(attacker))
        return;

      ClearCurrentAbility(attacker);

      Item toDisarm = defender.FindItemOnLayer(Layer.OneHanded);

      if (toDisarm?.Movable == false)
        toDisarm = defender.FindItemOnLayer(Layer.TwoHanded);

      Container pack = defender.Backpack;

      if (pack == null || toDisarm?.Movable == false)
      {
        attacker.SendLocalizedMessage(1004001); // You cannot disarm your opponent.
      }
      else if ((!Core.ML && toDisarm == null) || toDisarm is BaseShield || toDisarm is Spellbook)
      {
        attacker.SendLocalizedMessage(1060849); // Your target is already unarmed!
      }
      else if (CheckMana(attacker, true))
      {
        attacker.SendLocalizedMessage(1060092); // You disarm their weapon!
        defender.SendLocalizedMessage(1060093); // Your weapon has been disarmed!

        defender.PlaySound(0x3B9);
        defender.FixedParticles(0x37BE, 232, 25, 9948, EffectLayer.LeftHand);

        pack.DropItem(toDisarm);

        BaseWeapon.BlockEquip(defender, BlockEquipDuration);
      }
    }
  }
}