using Server.Items;
using Server.Misc;
using Server.Mobiles;
using Server.Regions;

namespace Server.SkillHandlers
{
    public static class Snooping
    {
        public static void Configure()
        {
            Container.SnoopHandler = Container_Snoop;
        }

        public static bool CheckSnoopAllowed(Mobile from, Mobile to)
        {
            var map = from.Map;

            if (to.Player)
            {
                return from.CanBeHarmful(to, false, true); // normal restrictions
            }

            if ((map?.Rules & MapRules.HarmfulRestrictions) == 0)
            {
                return true; // felucca you can snoop anybody
            }

            var reg = to.Region.GetRegion<GuardedRegion>();

            if (reg?.IsDisabled() != true)
            {
                return true; // not in town? we can snoop any npc
            }

            return !to.Body.IsHuman || to is BaseCreature cret && (cret.AlwaysAttackable || cret.AlwaysMurderer);
        }

        public static void Container_Snoop(Container cont, Mobile from)
        {
            if (from.AccessLevel > AccessLevel.Player || from.InRange(cont.GetWorldLocation(), 1))
            {
                var root = cont.RootParent as Mobile;

                if (root?.Alive == false)
                {
                    return;
                }

                if (root?.AccessLevel > AccessLevel.Player && from.AccessLevel == AccessLevel.Player)
                {
                    from.SendLocalizedMessage(500209); // You can not peek into the container.
                    return;
                }

                if (root?.AccessLevel == AccessLevel.Player && !CheckSnoopAllowed(from, root))
                {
                    from.SendLocalizedMessage(1001018); // You cannot perform negative acts on your target.
                    return;
                }

                if (root?.AccessLevel == AccessLevel.Player &&
                    from.Skills.Snooping.Value < Utility.Random(100))
                {
                    var map = from.Map;

                    if (map != null)
                    {
                        var message = $"You notice {from.Name} attempting to peek into {root.Name}'s belongings.";

                        var eable = map.GetClientsInRange(from.Location, 8);

                        foreach (var ns in eable)
                        {
                            if (ns.Mobile != from)
                            {
                                ns.Mobile.SendMessage(message);
                            }
                        }

                        eable.Free();
                    }
                }

                if (from.AccessLevel == AccessLevel.Player)
                {
                    Titles.AwardKarma(from, -4, true);
                }

                if (from.AccessLevel > AccessLevel.Player || from.CheckTargetSkill(SkillName.Snooping, cont, 0.0, 100.0))
                {
                    if (cont is TrappableContainer container && container.ExecuteTrap(from))
                    {
                        return;
                    }

                    cont.DisplayTo(from);
                }
                else
                {
                    from.SendLocalizedMessage(500210); // You failed to peek into the container.

                    if (from.Skills.Hiding.Value / 2 < Utility.Random(100))
                    {
                        from.RevealingAction();
                    }
                }
            }
            else
            {
                from.SendLocalizedMessage(500446); // That is too far away.
            }
        }
    }
}