using System;
using System.Collections;
using Server.Engines.Quests;
using Server.Mobiles;

namespace Server.Items
{
    [TypeAlias("Server.Items.ScrollofAlacrity")]
    public class ScrollOfAlacrity : SpecialScroll
    {
        public override int LabelNumber
        {
            get
            {
                return 1078604;
            }
        }// Scroll of Alacrity
		
        public override int Message
        {
            get
            {
                return 1078602;
            }
        }/*Using a Scroll of Transcendence for a given skill will permanently increase your current 
        *level in that skill by the amount of points displayed on the scroll.
        *As you may not gain skills beyond your maximum skill cap, any excess points will be lost.*/
		
        public override string DefaultTitle
        {
            get
            {
                return String.Format("<basefont color=#FFFFFF>Scroll of Alacrity:</basefont>");
            }
        }

        public ScrollOfAlacrity()
            : this(SkillName.Alchemy)
        {
        }
		
        [Constructable]
        public ScrollOfAlacrity(SkillName skill)
            : base(skill, 0.0)
        {
            ItemID = 0x14EF;
            Hue = 1195;
        }

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

        public override void GetProperties(ObjectPropertyList list)
        {
            base.GetProperties(list);

            list.Add(1071345, "{0} 15 Minutes", GetName()); // Skill: ~1_val~
        }
		
        public override bool CanUse(Mobile from)
        {
            if (!base.CanUse(from))
                return false;
			
            PlayerMobile pm = from as PlayerMobile;
			
            if (pm == null)
                return false;

            for (int i = pm.Quests.Count - 1; i >= 0; i--)
            {
                BaseQuest quest = pm.Quests[i];

                for (int j = quest.Objectives.Count - 1; j >= 0; j--)
                {
                    BaseObjective objective = quest.Objectives[j];

                    if (objective is ApprenticeObjective)
                    {
                        from.SendMessage("You are already under the effect of an enhanced skillgain quest.");
                        return false;
                    }
                }
            }

            if (pm.AcceleratedStart > DateTime.UtcNow)
            {
                from.SendLocalizedMessage(1077951); // You are already under the effect of an accelerated skillgain scroll.
                return false;
            }
			
            return true;
        }

        public override void Use(Mobile from)
        {
            if (!CanUse(from))
                return;
			
            PlayerMobile pm = from as PlayerMobile;
			
            if (pm == null)
                return;
			
            double tskill = from.Skills[Skill].Base;
            double tcap = from.Skills[Skill].Cap;

            if (tskill >= tcap || from.Skills[Skill].Lock != SkillLock.Up)
            {
                from.SendLocalizedMessage(1094935);	/*You cannot increase this skill at this time. The skill may be locked or set to lower in your skill menu.
                *If you are at your total skill cap, you must use a Powerscroll to increase your current skill cap.*/
                return;
            }
			
            from.SendLocalizedMessage(1077956); // You are infused with intense energy. You are under the effects of an accelerated skillgain scroll.
			
            Effects.PlaySound(from.Location, from.Map, 0x1E9);
            Effects.SendTargetParticles(from, 0x373A, 35, 45, 0x00, 0x00, 9502, (EffectLayer)255, 0x100);

            pm.AcceleratedStart = DateTime.UtcNow + TimeSpan.FromMinutes(15);

            Timer t = (Timer)m_Table[from];

            m_Table[from] = Timer.DelayCall(TimeSpan.FromMinutes(15), new TimerStateCallback(Expire_Callback), from);

            pm.AcceleratedSkill = Skill;

            BuffInfo.AddBuff(pm, new BuffInfo(BuffIcon.ArcaneEmpowerment, 1078511, 1078512, TimeSpan.FromMinutes(15), pm, GetName(), true));

            Delete();
        }

        private static readonly Hashtable m_Table = new Hashtable();

        private static void Expire_Callback(object state)
        {
            AlacrityEnd((Mobile)state);
        }

        public static bool AlacrityEnd(Mobile m)
        {
            m_Table.Remove(m);

            m.PlaySound(0x1F8);

            BuffInfo.RemoveBuff(m, BuffIcon.ArcaneEmpowerment);

            m.SendLocalizedMessage(1077957);// The intense energy dissipates. You are no longer under the effects of an accelerated skillgain scroll.

            return true;
        }

        public static ScrollOfAlacrity CreateRandom()
        {
            return new ScrollOfAlacrity((SkillName)SkillInfo.Table[Utility.Random(SkillInfo.Table.Length)].SkillID);
        }

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

            writer.Write((int)0); // version
        }

        public override void Deserialize(GenericReader reader)
        {
            base.Deserialize(reader);

            int version = (InheritsItem ? 0 : reader.ReadInt()); //Required for SpecialScroll insertion
        }
    }
}