using System;

namespace Server.Spells.Mysticism
{
  public abstract class MysticSpell : Spell
  {
    public MysticSpell(Mobile caster, Item scroll, SpellInfo info)
      : base(caster, scroll, info)
    {
    }

    public abstract double RequiredSkill{ get; }
    public abstract int RequiredMana{ get; }

    public override SkillName CastSkill => SkillName.Mysticism;

    /*
     * As per OSI Publish 64:
     * Imbuing is not the only skill associated with Mysticism now.
     * Players can use EITHER their Focus skill or Imbuing skill.
     * Evaluate Intelligence no longer has any effect on a Mystic’s spell power.
     */
    public override double GetDamageSkill(Mobile m)
    {
      return Math.Max(m.Skills.Imbuing.Value, m.Skills.Focus.Value);
    }

    public override int GetDamageFixed(Mobile m)
    {
      return Math.Max(m.Skills.Imbuing.Fixed, m.Skills.Focus.Fixed);
    }

    public override void GetCastSkills(out double min, out double max)
    {
      // As per Mysticism page at the UO Herald Playguide
      // This means that we have 25% success chance at min Required Skill

      min = RequiredSkill - 12.5;
      max = RequiredSkill + 37.5;
    }

    public override int GetMana()
    {
      return RequiredMana;
    }

    public override bool CheckCast()
    {
      if (!base.CheckCast())
        return false;

      int mana = ScaleMana(RequiredMana);

      if (Caster.Mana < mana)
      {
        Caster.SendLocalizedMessage(1060174,
          mana.ToString()); // You must have at least ~1_MANA_REQUIREMENT~ Mana to use this ability.
        return false;
      }

      if (Caster.Skills[CastSkill].Value < RequiredSkill)
      {
        Caster.SendLocalizedMessage(1063013,
          $"{RequiredSkill.ToString("F1")}\t{CastSkill.ToString()}\t "); // You need at least ~1_SKILL_REQUIREMENT~ ~2_SKILL_NAME~ skill to use that ability.
        return false;
      }

      return true;
    }

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

      SendCastEffect();
    }

    public virtual void SendCastEffect()
    {
      Caster.FixedEffect(0x37C4, 10, (int)(GetCastDelay().TotalSeconds * 28), 0x66C, 3);
    }

    public static double GetBaseSkill(Mobile m)
    {
      return m.Skills.Mysticism.Value;
    }

    public static double GetBoostSkill(Mobile m)
    {
      return Math.Max(m.Skills.Imbuing.Value, m.Skills.Focus.Value);
    }
  }
}