using Server.Multis;
using Server.Network;
using System;

namespace Server.SkillHandlers
{
    public class Hiding
    {
        private static bool m_CombatOverride;
        public static bool CombatOverride
        {
            get
            {
                return m_CombatOverride;
            }
            set
            {
                m_CombatOverride = value;
            }
        }
        public static void Initialize()
        {
            SkillInfo.Table[21].Callback = OnUse;
        }

        public static TimeSpan OnUse(Mobile m)
        {
            if (m.Spell != null)
            {
                m.SendLocalizedMessage(501238); // You are busy doing something else and cannot hide.
                return TimeSpan.FromSeconds(1.0);
            }

            if (Engines.VvV.ManaSpike.UnderEffects(m))
            {
                return TimeSpan.FromSeconds(1.0);
            }

            if (m.Target != null)
            {
                Targeting.Target.Cancel(m);
            }

            double bonus = 0.0;

            BaseHouse house = BaseHouse.FindHouseAt(m);

            if (house != null && house.IsFriend(m))
            {
                bonus = 100.0;
            }

            //int range = 18 - (int)(m.Skills[SkillName.Hiding].Value / 10);
            int skill = Math.Min(100, (int)m.Skills[SkillName.Hiding].Value);
            int range = Math.Min((100 - skill) / 2 + 8, 18);	//Cap of 18 not OSI-exact, intentional difference

            bool badCombat = (!m_CombatOverride && m.Combatant is Mobile && m.InRange(m.Combatant.Location, range) && ((Mobile)m.Combatant).InLOS(m.Combatant));
            bool ok = (!badCombat /*&& m.CheckSkill( SkillName.Hiding, 0.0 - bonus, 100.0 - bonus )*/);

            if (ok)
            {
                if (!m_CombatOverride)
                {
                    IPooledEnumerable eable = m.GetMobilesInRange(range);

                    foreach (Mobile check in eable)
                    {
                        if (check.InLOS(m) && check.Combatant == m)
                        {
                            badCombat = true;
                            ok = false;
                            break;
                        }
                    }

                    eable.Free();
                }

                ok = (!badCombat && m.CheckSkill(SkillName.Hiding, 0.0 - bonus, 100.0 - bonus));
            }

            if (badCombat)
            {
                m.RevealingAction();

                m.LocalOverheadMessage(MessageType.Regular, 0x22, 501237); // You can't seem to hide right now.

                return TimeSpan.Zero;
            }

            if (ok)
            {
                m.Hidden = true;
                m.Warmode = false;
                Spells.Sixth.InvisibilitySpell.RemoveTimer(m);
                Items.InvisibilityPotion.RemoveTimer(m);
                m.LocalOverheadMessage(MessageType.Regular, 0x1F4, 501240); // You have hidden yourself well.
            }
            else
            {
                m.RevealingAction();

                m.LocalOverheadMessage(MessageType.Regular, 0x22, 501241); // You can't seem to hide here.
            }

            return TimeSpan.FromSeconds(10.0);
        }
    }
}