using System;
using Server;
using Server.Mobiles;

namespace Server.Items
{
    public class ScavengersCoin : Item
    {
        private DateTime m_NextUse;

        [CommandProperty( AccessLevel.GameMaster )]
        public DateTime NextUse
        {
            get { return m_NextUse; }
            set { m_NextUse = value; }
        }

        [Constructable]
        public ScavengersCoin() : base( 0x1096 )
        {
            Name = "Scavenger's Coin";
            Weight = 1.0;
            Hue = 1175; // A shadowy charcoal hue to fit the stealth theme
        }

        public override void OnDoubleClick( Mobile from )
        {
            // 1. Must be in their backpack
            if ( !IsChildOf( from.Backpack ) )
            {
                from.SendLocalizedMessage( 1042001 ); // "That must be in your pack for you to use it."
                return;
            }

            if ( DateTime.UtcNow < m_NextUse )
            {
                TimeSpan wait = m_NextUse - DateTime.UtcNow;
                from.SendMessage( 33, String.Format( "You must wait {0} minutes and {1} seconds before using this again.", wait.Minutes, wait.Seconds ) );
                return;
            }
            SkillMod hideMod = new DefaultSkillMod( SkillName.Hiding, true, 100.0 );
            SkillMod stealthMod = new DefaultSkillMod( SkillName.Stealth, true, 100.0 );
            from.Hidden = true;
            from.UseSkill( SkillName.Stealth );
            from.AddSkillMod( hideMod );
            from.AddSkillMod( stealthMod );
            m_NextUse = DateTime.UtcNow + TimeSpan.FromMinutes( 5 );

            from.PlaySound( 0x3CA );
            from.FixedParticles( 0x376A, 9, 32, 5005, EffectLayer.Waist );
            from.SendMessage( 63, "You flip the coin and are enveloped in unnatural shadows for 60 seconds." );

            new ScavengerTimer( from, hideMod, stealthMod ).Start();
        }

        // --- The Custom Countdown Timer ---
        private class ScavengerTimer : Timer
        {
            private Mobile m_Mobile;
            private SkillMod m_HideMod;
            private SkillMod m_StealthMod;

            public ScavengerTimer( Mobile m, SkillMod hide, SkillMod stealth ) : base( TimeSpan.FromSeconds( 60 ) )
            {
                m_Mobile = m;
                m_HideMod = hide;
                m_StealthMod = stealth;
                
                // Priority dictates how strictly the server keeps track of this timer on the main thread
                Priority = TimerPriority.OneSecond; 
            }

            protected override void OnTick()
            {
                // When 60 seconds are up, this code fires
                if ( m_Mobile != null )
                {
                    m_Mobile.RemoveSkillMod( m_HideMod );
                    m_Mobile.RemoveSkillMod( m_StealthMod );
                    m_Mobile.SendMessage( 33, "The magical shadows fade away, returning your skills to normal." );
                }
            }
        }

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

        public override void Serialize( GenericWriter writer )
        {
            base.Serialize( writer );
            writer.Write( (int) 0 ); // version

            // We save the cooldown time so players can't just log out and back in to reset it
            writer.Write( m_NextUse );
        }

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