using System;
using Server.Network;

namespace Server.Items
{
  public class PotionKeg : Item
  {
    private int m_Held;
    private PotionEffect m_Type;

    [Constructible]
    public PotionKeg() : base(0x1940)
    {
      UpdateWeight();
    }

    public PotionKeg(Serial serial) : base(serial)
    {
    }

    [CommandProperty(AccessLevel.GameMaster)]
    public int Held
    {
      get => m_Held;
      set
      {
        if (m_Held != value)
        {
          m_Held = value;
          UpdateWeight();
          InvalidateProperties();
        }
      }
    }

    [CommandProperty(AccessLevel.GameMaster)]
    public PotionEffect Type
    {
      get => m_Type;
      set
      {
        m_Type = value;
        InvalidateProperties();
      }
    }

    public override int LabelNumber
    {
      get
      {
        if (m_Held > 0 && (int)m_Type >= (int)PotionEffect.Conflagration)
          return 1072658 + (int)m_Type - (int)PotionEffect.Conflagration;

        return m_Held > 0 ? 1041620 + (int)m_Type : 1041641;
      }
    }

    public virtual void UpdateWeight()
    {
      int held = Math.Max(0, Math.Min(m_Held, 100));

      Weight = 20 + held * 80 / 100;
    }

    public override void Serialize(IGenericWriter writer)
    {
      base.Serialize(writer);

      writer.Write(1); // version

      writer.Write((int)m_Type);
      writer.Write(m_Held);
    }

    public override void Deserialize(IGenericReader reader)
    {
      base.Deserialize(reader);

      int version = reader.ReadInt();

      switch (version)
      {
        case 1:
        case 0:
          {
            m_Type = (PotionEffect)reader.ReadInt();
            m_Held = reader.ReadInt();

            break;
          }
      }

      if (version < 1)
        Timer.DelayCall(TimeSpan.Zero, UpdateWeight);
    }

    public override void GetProperties(ObjectPropertyList list)
    {
      base.GetProperties(list);

      int number;

      if (m_Held <= 0)
        number = 502246; // The keg is empty.
      else if (m_Held < 5)
        number = 502248; // The keg is nearly empty.
      else if (m_Held < 20)
        number = 502249; // The keg is not very full.
      else if (m_Held < 30)
        number = 502250; // The keg is about one quarter full.
      else if (m_Held < 40)
        number = 502251; // The keg is about one third full.
      else if (m_Held < 47)
        number = 502252; // The keg is almost half full.
      else if (m_Held < 54)
        number = 502254; // The keg is approximately half full.
      else if (m_Held < 70)
        number = 502253; // The keg is more than half full.
      else if (m_Held < 80)
        number = 502255; // The keg is about three quarters full.
      else if (m_Held < 96)
        number = 502256; // The keg is very full.
      else if (m_Held < 100)
        number = 502257; // The liquid is almost to the top of the keg.
      else
        number = 502258; // The keg is completely full.

      list.Add(number);
    }

    public override void OnSingleClick(Mobile from)
    {
      base.OnSingleClick(from);

      int number;

      if (m_Held <= 0)
        number = 502246; // The keg is empty.
      else if (m_Held < 5)
        number = 502248; // The keg is nearly empty.
      else if (m_Held < 20)
        number = 502249; // The keg is not very full.
      else if (m_Held < 30)
        number = 502250; // The keg is about one quarter full.
      else if (m_Held < 40)
        number = 502251; // The keg is about one third full.
      else if (m_Held < 47)
        number = 502252; // The keg is almost half full.
      else if (m_Held < 54)
        number = 502254; // The keg is approximately half full.
      else if (m_Held < 70)
        number = 502253; // The keg is more than half full.
      else if (m_Held < 80)
        number = 502255; // The keg is about three quarters full.
      else if (m_Held < 96)
        number = 502256; // The keg is very full.
      else if (m_Held < 100)
        number = 502257; // The liquid is almost to the top of the keg.
      else
        number = 502258; // The keg is completely full.

      LabelTo(from, number);
    }

    public override void OnDoubleClick(Mobile from)
    {
      if (from.InRange(GetWorldLocation(), 2))
      {
        if (m_Held > 0)
        {
          Container pack = from.Backpack;

          if (pack?.ConsumeTotal(typeof(Bottle)) == true)
          {
            from.SendLocalizedMessage(502242); // You pour some of the keg's contents into an empty bottle...

            BasePotion pot = FillBottle();

            if (pack.TryDropItem(from, pot, false))
            {
              from.SendLocalizedMessage(502243); // ...and place it into your backpack.
              from.PlaySound(0x240);

              if (--Held == 0)
                from.SendLocalizedMessage(502245); // The keg is now empty.
            }
            else
            {
              from.SendLocalizedMessage(502244); // ...but there is no room for the bottle in your backpack.
              pot.Delete();
            }
          }
        }
        else
        {
          from.SendLocalizedMessage(502246); // The keg is empty.
        }
      }
      else
      {
        from.LocalOverheadMessage(MessageType.Regular, 0x3B2, 1019045); // I can't reach that.
      }
    }

    public override bool OnDragDrop(Mobile from, Item item)
    {
      if (!(item is BasePotion pot))
      {
        from.SendLocalizedMessage(502232); // The keg is not designed to hold that type of object.
        return false;
      }

      int toHold = Math.Min(100 - m_Held, pot.Amount);

      if (toHold <= 0)
      {
        from.SendLocalizedMessage(502233); // The keg will not hold any more!
        return false;
      }

      if (m_Held == 0)
      {
        if ((int)pot.PotionEffect >= (int)PotionEffect.Invisibility)
        {
          from.SendLocalizedMessage(502232); // The keg is not designed to hold that type of object.
          return false;
        }

        if (GiveBottle(from, toHold))
        {
          m_Type = pot.PotionEffect;
          Held = toHold;

          from.PlaySound(0x240);

          from.SendLocalizedMessage(502237); // You place the empty bottle in your backpack.

          pot.Consume(toHold);

          if (!pot.Deleted)
            pot.Bounce(from);

          return true;
        }

        from.SendLocalizedMessage(502238); // You don't have room for the empty bottle in your backpack.
        return false;
      }

      if (pot.PotionEffect != m_Type)
      {
        from.SendLocalizedMessage(
          502236); // You decide that it would be a bad idea to mix different types of potions.
        return false;
      }

      if (GiveBottle(from, toHold))
      {
        Held += toHold;

        from.PlaySound(0x240);

        from.SendLocalizedMessage(502237); // You place the empty bottle in your backpack.

        pot.Consume(toHold);

        if (!pot.Deleted)
          pot.Bounce(from);

        return true;
      }

      from.SendLocalizedMessage(502238); // You don't have room for the empty bottle in your backpack.
      return false;
    }

    public bool GiveBottle(Mobile m, int amount)
    {
      Container pack = m.Backpack;

      Bottle bottle = new Bottle(amount);

      if (pack?.TryDropItem(m, bottle, false) != true)
      {
        bottle.Delete();
        return false;
      }

      return true;
    }

    public BasePotion FillBottle()
    {
      return m_Type switch
      {
        PotionEffect.Nightsight => (BasePotion)new NightSightPotion(),
        PotionEffect.CureLesser => new LesserCurePotion(),
        PotionEffect.Cure => new CurePotion(),
        PotionEffect.CureGreater => new GreaterCurePotion(),
        PotionEffect.Agility => new AgilityPotion(),
        PotionEffect.AgilityGreater => new GreaterAgilityPotion(),
        PotionEffect.Strength => new StrengthPotion(),
        PotionEffect.StrengthGreater => new GreaterStrengthPotion(),
        PotionEffect.PoisonLesser => new LesserPoisonPotion(),
        PotionEffect.Poison => new PoisonPotion(),
        PotionEffect.PoisonGreater => new GreaterPoisonPotion(),
        PotionEffect.PoisonDeadly => new DeadlyPoisonPotion(),
        PotionEffect.Refresh => new RefreshPotion(),
        PotionEffect.RefreshTotal => new TotalRefreshPotion(),
        PotionEffect.HealLesser => new LesserHealPotion(),
        PotionEffect.Heal => new HealPotion(),
        PotionEffect.HealGreater => new GreaterHealPotion(),
        PotionEffect.ExplosionLesser => new LesserExplosionPotion(),
        PotionEffect.Explosion => new ExplosionPotion(),
        PotionEffect.ExplosionGreater => new GreaterExplosionPotion(),
        PotionEffect.Conflagration => new ConflagrationPotion(),
        PotionEffect.ConflagrationGreater => new GreaterConflagrationPotion(),
        PotionEffect.ConfusionBlast => new ConfusionBlastPotion(),
        PotionEffect.ConfusionBlastGreater => new GreaterConfusionBlastPotion(),
        _ => new NightSightPotion()
      };
    }

    public static void Initialize()
    {
      TileData.ItemTable[0x1940].Height = 4;
    }
  }
}