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))
        {
            from.SendLocalizedMessage(500446); // That is too far away.
            return;
        }

        var root = cont.RootParent as Mobile;

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

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

        if (from.AccessLevel == AccessLevel.Player)
        {
            var snooping = from.Skills.Snooping.Value;
            if (root != null && snooping < 100.0 && snooping < Utility.RandomDouble() * 100)
            {
                var map = from.Map;

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

                    foreach (var ns in map.GetClientsInRange(from.Location, 8))
                    {
                        if (ns.Mobile != from)
                        {
                            ns.Mobile.SendMessage(message);
                        }
                    }
                }
            }

            Titles.AwardKarma(from, -4, true);
        }

        if (from.AccessLevel > AccessLevel.Player || from.CheckTargetSkill(SkillName.Snooping, cont, 0.0, 100.0))
        {
            if ((cont as TrappableContainer)?.ExecuteTrap(from) == true)
            {
                return;
            }

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

            if (from.Skills.Hiding.Value / 2 < Utility.RandomDouble() * 100)
            {
                from.RevealingAction();
            }
        }
    }
}