using System;
using System.Collections.Generic;
using Server.Items;

namespace Server.Mobiles
{
  public class DemonKnight : BaseCreature
  {
    private static bool m_InHere;

    [Constructible]
    public DemonKnight() : base(AIType.AI_Mage, FightMode.Closest, 10, 1, 0.2, 0.4)
    {
      Name = NameList.RandomName("demon knight");
      Title = "the Dark Father";
      Body = 318;
      BaseSoundID = 0x165;

      SetStr(500);
      SetDex(100);
      SetInt(1000);

      SetHits(30000);
      SetMana(5000);

      SetDamage(17, 21);

      SetDamageType(ResistanceType.Physical, 20);
      SetDamageType(ResistanceType.Fire, 20);
      SetDamageType(ResistanceType.Cold, 20);
      SetDamageType(ResistanceType.Poison, 20);
      SetDamageType(ResistanceType.Energy, 20);

      SetResistance(ResistanceType.Physical, 30);
      SetResistance(ResistanceType.Fire, 30);
      SetResistance(ResistanceType.Cold, 30);
      SetResistance(ResistanceType.Poison, 30);
      SetResistance(ResistanceType.Energy, 30);

      SetSkill(SkillName.Necromancy, 120, 120.0);
      SetSkill(SkillName.SpiritSpeak, 120.0, 120.0);

      SetSkill(SkillName.DetectHidden, 80.0);
      SetSkill(SkillName.EvalInt, 100.0);
      SetSkill(SkillName.Magery, 100.0);
      SetSkill(SkillName.Meditation, 120.0);
      SetSkill(SkillName.MagicResist, 150.0);
      SetSkill(SkillName.Tactics, 100.0);
      SetSkill(SkillName.Wrestling, 120.0);

      Fame = 28000;
      Karma = -28000;

      VirtualArmor = 64;
    }

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

    public override string CorpseName => "a demon knight corpse";
    public override bool IgnoreYoungProtection => Core.ML;

    public static Type[] ArtifactRarity10{ get; } =
    {
      typeof(LegacyOfTheDreadLord),
      typeof(TheTaskmaster)
    };

    public static Type[] ArtifactRarity11{ get; } =
    {
      typeof(TheDragonSlayer),
      typeof(ArmorOfFortune),
      typeof(GauntletsOfNobility),
      typeof(HelmOfInsight),
      typeof(HolyKnightsBreastplate),
      typeof(JackalsCollar),
      typeof(LeggingsOfBane),
      typeof(MidnightBracers),
      typeof(OrnateCrownOfTheHarrower),
      typeof(ShadowDancerLeggings),
      typeof(TunicOfFire),
      typeof(VoiceOfTheFallenKing),
      typeof(BraceletOfHealth),
      typeof(OrnamentOfTheMagician),
      typeof(RingOfTheElements),
      typeof(RingOfTheVile),
      typeof(Aegis),
      typeof(ArcaneShield),
      typeof(AxeOfTheHeavens),
      typeof(BladeOfInsanity),
      typeof(BoneCrusher),
      typeof(BreathOfTheDead),
      typeof(Frostbringer),
      typeof(SerpentsFang),
      typeof(StaffOfTheMagi),
      typeof(TheBeserkersMaul),
      typeof(TheDryadBow),
      typeof(DivineCountenance),
      typeof(HatOfTheMagi),
      typeof(HuntersHeaddress),
      typeof(SpiritOfTheTotem)
    };

    public override bool BardImmune => !Core.SE;
    public override bool Unprovokable => Core.SE;
    public override bool AreaPeaceImmune => Core.SE;
    public override Poison PoisonImmune => Poison.Lethal;

    public override int TreasureMapLevel => 1;

    public static Item CreateRandomArtifact()
    {
      if (!Core.AOS)
        return null;

      int count = ArtifactRarity10.Length * 5 + ArtifactRarity11.Length * 4;
      int random = Utility.Random(count);
      Type type;

      if (random < ArtifactRarity10.Length * 5)
      {
        type = ArtifactRarity10[random / 5];
      }
      else
      {
        random -= ArtifactRarity10.Length * 5;
        type = ArtifactRarity11[random / 4];
      }

      return Loot.Construct(type);
    }

    public static Mobile FindRandomPlayer(BaseCreature creature)
    {
      List<DamageStore> rights = GetLootingRights(creature.DamageEntries, creature.HitsMax);

      for (int i = rights.Count - 1; i >= 0; --i)
      {
        DamageStore ds = rights[i];

        if (!ds.m_HasRight)
          rights.RemoveAt(i);
      }

      if (rights.Count > 0)
        return rights[Utility.Random(rights.Count)].m_Mobile;

      return null;
    }

    public static void DistributeArtifact(BaseCreature creature)
    {
      DistributeArtifact(creature, CreateRandomArtifact());
    }

    public static void DistributeArtifact(BaseCreature creature, Item artifact)
    {
      DistributeArtifact(FindRandomPlayer(creature), artifact);
    }

    public static void DistributeArtifact(Mobile to)
    {
      DistributeArtifact(to, CreateRandomArtifact());
    }

    public static void DistributeArtifact(Mobile to, Item artifact)
    {
      if (to == null || artifact == null)
        return;

      Container pack = to.Backpack;

      if (pack?.TryDropItem(to, artifact, false) != true)
        to.BankBox.DropItem(artifact);

      to.SendLocalizedMessage(
        1062317); // For your valor in combating the fallen beast, a special artifact has been bestowed on you.
    }

    public static int GetArtifactChance(Mobile boss)
    {
      if (!Core.AOS)
        return 0;

      int luck = LootPack.GetLuckChanceForKiller(boss);
      int chance;

      if (boss is DemonKnight)
        chance = 1500 + luck / 5;
      else
        chance = 750 + luck / 10;

      return chance;
    }

    public static bool CheckArtifactChance(Mobile boss)
    {
      return GetArtifactChance(boss) > Utility.Random(100000);
    }

    public override WeaponAbility GetWeaponAbility()
    {
      switch (Utility.Random(3))
      {
        default:
        case 0: return WeaponAbility.DoubleStrike;
        case 1: return WeaponAbility.WhirlwindAttack;
        case 2: return WeaponAbility.CrushingBlow;
      }
    }

    public override void OnDeath(Container c)
    {
      base.OnDeath(c);

      if (!Summoned && !NoKillAwards && CheckArtifactChance(this))
        DistributeArtifact(this);
    }

    public override void GenerateLoot()
    {
      AddLoot(LootPack.SuperBoss, 2);
      AddLoot(LootPack.HighScrolls, Utility.RandomMinMax(6, 60));
    }

    public override void OnDamage(int amount, Mobile from, bool willKill)
    {
      if (from != null && from != this && !m_InHere)
      {
        m_InHere = true;
        AOS.Damage(from, this, Utility.RandomMinMax(8, 20), 100, 0, 0, 0, 0);

        MovingEffect(from, 0xECA, 10, 0, false, false, 0, 0);
        PlaySound(0x491);

        if (0.05 > Utility.RandomDouble())
          Timer.DelayCall(TimeSpan.FromSeconds(1.0), CreateBones_Callback, from);

        m_InHere = false;
      }
    }

    public virtual void CreateBones_Callback(Mobile from)
    {
      Map map = from.Map;

      if (map == null)
        return;

      int count = Utility.RandomMinMax(1, 3);

      for (int i = 0; i < count; ++i)
      {
        int x = from.X + Utility.RandomMinMax(-1, 1);
        int y = from.Y + Utility.RandomMinMax(-1, 1);
        int z = from.Z;

        if (!map.CanFit(x, y, z, 16))
        {
          z = map.GetAverageZ(x, y);

          if (z == from.Z || !map.CanFit(x, y, z, 16))
            continue;
        }

        UnholyBone bone = new UnholyBone
        {
          Hue = 0,
          Name = "unholy bones",
          ItemID = Utility.Random(0xECA, 9)
        };

        bone.MoveToWorld(new Point3D(x, y, z), map);
      }
    }

    public override void Serialize(GenericWriter writer)
    {
      base.Serialize(writer);
      writer.Write(0);
    }

    public override void Deserialize(GenericReader reader)
    {
      base.Deserialize(reader);
      int version = reader.ReadInt();
    }
  }
}