using System;
using System.Collections.Generic;

namespace Server.Spells.Chivalry
{
  public class DivineFurySpell : PaladinSpell
  {
    private static readonly SpellInfo m_Info = new SpellInfo(
      "Divine Fury", "Divinum Furis",
      -1,
      9002);

    private static readonly Dictionary<Mobile, Timer> m_Table = new Dictionary<Mobile, Timer>();

    public DivineFurySpell(Mobile caster, Item scroll = null) : base(caster, scroll, m_Info)
    {
    }

    public override TimeSpan CastDelayBase => TimeSpan.FromSeconds(1.0);

    public override double RequiredSkill => 25.0;
    public override int RequiredMana => 15;
    public override int RequiredTithing => 10;
    public override int MantraNumber => 1060722; // Divinum Furis
    public override bool BlocksMovement => false;

    public override void OnCast()
    {
      if (CheckSequence())
      {
        Caster.PlaySound(0x20F);
        Caster.PlaySound(Caster.Female ? 0x338 : 0x44A);
        Caster.FixedParticles(0x376A, 1, 31, 9961, 1160, 0, EffectLayer.Waist);
        Caster.FixedParticles(0x37C4, 1, 31, 9502, 43, 2, EffectLayer.Waist);

        Caster.Stam = Caster.StamMax;

        m_Table.TryGetValue(Caster, out Timer timer);
        timer?.Stop();

        int delay = ComputePowerValue(10);

        // TODO: Should caps be applied?
        if (delay < 7)
          delay = 7;
        else if (delay > 24)
          delay = 24;

        m_Table[Caster] = Timer.DelayCall(TimeSpan.FromSeconds(delay), Expire_Callback, Caster);
        Caster.Delta(MobileDelta.WeaponDamage);

        BuffInfo.AddBuff(Caster,
          new BuffInfo(BuffIcon.DivineFury, 1060589, 1075634, TimeSpan.FromSeconds(delay), Caster));
      }

      FinishSequence();
    }

    public static bool UnderEffect(Mobile m) => m_Table.ContainsKey(m);

    private static void Expire_Callback(Mobile m)
    {
      m_Table.Remove(m);

      m.Delta(MobileDelta.WeaponDamage);
      m.PlaySound(0xF8);
    }
  }
}