using System;
using Server.Items;
using Server.Mobiles;

namespace Server.Engines.Quests.Doom
{
  public class TheSummoningQuest : QuestSystem
  {
    private static Type[] m_TypeReferenceTable =
    {
      typeof(AcceptConversation),
      typeof(CollectBonesObjective),
      typeof(VanquishDaemonConversation),
      typeof(VanquishDaemonObjective)
    };

    public TheSummoningQuest(Victoria victoria, PlayerMobile from) : base(from)
    {
      Victoria = victoria;
    }

    public TheSummoningQuest()
    {
    }

    public override Type[] TypeReferenceTable => m_TypeReferenceTable;

    public Victoria Victoria{ get; private set; }

    public bool WaitForSummon{ get; set; }

    public override object Name => 1050025;

    public override object OfferMessage => 1050020;

    public override bool IsTutorial => false;
    public override TimeSpan RestartDelay => TimeSpan.Zero;
    public override int Picture => 0x15B5;

    // NOTE: Quest not entirely OSI-accurate: some changes made to prevent numerous OSI bugs

    public override void Slice()
    {
      if (WaitForSummon && Victoria != null)
      {
        SummoningAltar altar = Victoria.Altar;

        if (altar != null && (altar.Daemon == null || !altar.Daemon.Alive))
          if (From.Map == Victoria.Map && From.InRange(Victoria, 8))
          {
            WaitForSummon = false;

            AddConversation(new VanquishDaemonConversation());
          }
      }

      base.Slice();
    }

    public static int GetDaemonBonesFor(BaseCreature creature)
    {
      if (creature == null || creature.Controlled || creature.Summoned)
        return 0;

      int fame = creature.Fame;

      if (fame < 1500)
        return Utility.Dice(2, 5, -1);
      if (fame < 20000)
        return Utility.Dice(2, 4, 8);
      return 50;
    }

    public override void Cancel()
    {
      base.Cancel();

      QuestObjective obj = FindObjective<CollectBonesObjective>();

      if (obj?.CurProgress > 0)
      {
        From.BankBox.DropItem(new DaemonBone(obj.CurProgress));

        From.SendLocalizedMessage(
          1050030); // The Daemon bones that you have thus far given to Victoria have been returned to you.
      }
    }

    public override void Accept()
    {
      base.Accept();

      AddConversation(new AcceptConversation());
    }

    public override void ChildDeserialize(GenericReader reader)
    {
      int version = reader.ReadEncodedInt();

      Victoria = reader.ReadMobile() as Victoria;
      WaitForSummon = reader.ReadBool();
    }

    public override void ChildSerialize(GenericWriter writer)
    {
      writer.WriteEncodedInt(0); // version

      writer.Write(Victoria);
      writer.Write(WaitForSummon);
    }
  }
}