using System;
using System.Collections.Generic;
using System.Linq;
using Server.ContextMenus;
using Server.Gumps;
using Server.Items;

namespace Server.Mobiles
{
    public class HordeMinionFamiliar : BaseFamiliar
    {
        private DateTime m_NextPickup;

        public HordeMinionFamiliar()
        {
            Body = 776;
            BaseSoundID = 0x39D;

            SetStr(100);
            SetDex(110);
            SetInt(100);

            SetHits(70);
            SetStam(110);
            SetMana(0);

            SetDamage(5, 10);

            SetDamageType(ResistanceType.Physical, 100);

            SetResistance(ResistanceType.Physical, 50, 60);
            SetResistance(ResistanceType.Fire, 50, 55);
            SetResistance(ResistanceType.Poison, 25, 30);
            SetResistance(ResistanceType.Energy, 25, 30);

            SetSkill(SkillName.Wrestling, 70.1, 75.0);
            SetSkill(SkillName.Tactics, 50.0);

            ControlSlots = 1;

            var pack = Backpack;

            pack?.Delete();

            pack = new Backpack();
            pack.Movable = false;
            pack.Weight = 13.0;

            AddItem(pack);
        }

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

        public override string CorpseName => "a horde minion corpse";
        public override bool DisplayWeight => true;

        public override string DefaultName => "a horde minion";

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

            if (Core.Now < m_NextPickup)
            {
                return;
            }

            m_NextPickup = Core.Now + TimeSpan.FromSeconds(Utility.RandomMinMax(5, 10));

            var pack = Backpack;

            if (pack == null)
            {
                return;
            }

            var eable = GetItemsInRange(2).Where(item => item.Movable && item.Stackable);

            var pickedUp = 0;

            foreach (var item in eable)
            {
                if (!pack.CheckHold(this, item, false, true))
                {
                    return;
                }

                NextActionTime = Core.TickCount;

                Lift(item, item.Amount, out var rejected, out var _);

                if (rejected)
                {
                    continue;
                }

                Drop(this, Point3D.Zero);

                if (++pickedUp == 3)
                {
                    break;
                }
            }
        }

        private void ConfirmRelease_Callback(Mobile from, bool okay)
        {
            if (okay)
            {
                EndRelease(from);
            }
        }

        public override void BeginRelease(Mobile from)
        {
            if (Backpack?.Items.Count > 0)
            {
                from.SendGump(
                    new WarningGump(1060635, 30720, 1061672, 32512, 420, 280, okay => ConfirmRelease_Callback(from, okay))
                );
            }
            else
            {
                EndRelease(from);
            }
        }

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

            writer.Write(0);
        }

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

            var version = reader.ReadInt();
        }

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

            PackAnimal.CombineBackpacks(this);

            return true;
        }

        public override DeathMoveResult GetInventoryMoveResultFor(Item item) => DeathMoveResult.MoveToCorpse;

        public override bool IsSnoop(Mobile from)
        {
            if (PackAnimal.CheckAccess(this, from))
            {
                return false;
            }

            return base.IsSnoop(from);
        }

        public override bool OnDragDrop(Mobile from, Item item)
        {
            if (CheckFeed(from, item))
            {
                return true;
            }

            if (PackAnimal.CheckAccess(this, from))
            {
                AddToBackpack(item);
                return true;
            }

            return base.OnDragDrop(from, item);
        }

        public override bool CheckNonlocalDrop(Mobile from, Item item, Item target) => PackAnimal.CheckAccess(this, from);

        public override bool CheckNonlocalLift(Mobile from, Item item) => PackAnimal.CheckAccess(this, from);

        public override void OnDoubleClick(Mobile from)
        {
            PackAnimal.TryPackOpen(this, from);
        }

        public override void GetContextMenuEntries(Mobile from, List<ContextMenuEntry> list)
        {
            base.GetContextMenuEntries(from, list);

            PackAnimal.GetContextMenuEntries(this, from, list);
        }
    }
}