// SPDX-FileCopyrightText: 2024 AJCM <AJCM@tutanota.com>
// SPDX-FileCopyrightText: 2024 Aiden <aiden@djkraz.com>
// SPDX-FileCopyrightText: 2024 Alzore <140123969+Blackern5000@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Brandon Hu <103440971+Brandon-Huu@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 CaasGit <87243814+CaasGit@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Chief-Engineer <119664036+Chief-Engineer@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Cojoke <83733158+Cojoke-dot@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 DrSmugleaf <10968691+DrSmugleaf@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 DrSmugleaf <DrSmugleaf@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Ed <96445749+TheShuEd@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Emisse <99158783+Emisse@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 EmoGarbage404 <retron404@gmail.com>
// SPDX-FileCopyrightText: 2024 Eoin Mcloughlin <helloworld@eoinrul.es>
// SPDX-FileCopyrightText: 2024 Errant <35878406+Errant-4@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Flareguy <78941145+Flareguy@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Hrosts <35345601+Hrosts@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 IProduceWidgets <107586145+IProduceWidgets@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Ian <ignaz.k@live.de>
// SPDX-FileCopyrightText: 2024 Ilya246 <57039557+Ilya246@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Joel Zimmerman <JoelZimmerman@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 JustCone <141039037+JustCone14@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Killerqu00 <47712032+Killerqu00@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Ko4ergaPunk <62609550+Ko4ergaPunk@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Kukutis96513 <146854220+Kukutis96513@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Leon Friedrich <60421075+ElectroJr@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Lye <128915833+Lyroth001@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 MerrytheManokit <167581110+MerrytheManokit@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Mervill <mervills.email@gmail.com>
// SPDX-FileCopyrightText: 2024 Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 MureixloI <132683811+MureixloI@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 NakataRin <45946146+NakataRin@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Nemanja <98561806+EmoGarbage404@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 OrangeMoronage9622 <whyteterry0092@gmail.com>
// SPDX-FileCopyrightText: 2024 PJBot <pieterjan.briers+bot@gmail.com>
// SPDX-FileCopyrightText: 2024 Pieter-Jan Briers <pieterjan.briers+git@gmail.com>
// SPDX-FileCopyrightText: 2024 Plykiya <58439124+Plykiya@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Preston Smith <92108534+thetolbean@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Psychpsyo <60073468+Psychpsyo@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Repo <47093363+Titian3@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 RiceMar1244 <138547931+RiceMar1244@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Simon <63975668+Simyon264@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 SlamBamActionman <83650252+SlamBamActionman@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Stalen <33173619+stalengd@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 TakoDragon <69509841+BackeTako@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Thomas <87614336+Aeshus@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 TsjipTsjip <19798667+TsjipTsjip@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Ubaser <134914314+UbaserB@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 Unkn0wn_Gh0st <shadowstalkermll@gmail.com>
// SPDX-FileCopyrightText: 2024 Vasilis <vasilis@pikachu.systems>
// SPDX-FileCopyrightText: 2024 Vigers Ray <60344369+VigersRay@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 beck-thompson <107373427+beck-thompson@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 deathride58 <deathride58@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 deltanedas <39013340+deltanedas@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 deltanedas <@deltanedas:kde.org>
// SPDX-FileCopyrightText: 2024 dffdff2423 <dffdff2423@gmail.com>
// SPDX-FileCopyrightText: 2024 eoineoineoin <github@eoinrul.es>
// SPDX-FileCopyrightText: 2024 foboscheshir <156405958+foboscheshir@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 keronshb <54602815+keronshb@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 lzk <124214523+lzk228@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 metalgearsloth <comedian_vs_clown@hotmail.com>
// SPDX-FileCopyrightText: 2024 nikthechampiongr <32041239+nikthechampiongr@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 plykiya <plykiya@protonmail.com>
// SPDX-FileCopyrightText: 2024 saintmuntzer <47153094+saintmuntzer@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 shamp <140359015+shampunj@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 slarticodefast <161409025+slarticodefast@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 strO0pwafel <153459934+strO0pwafel@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 stroopwafel <j.o.luijkx@student.tudelft.nl>
// SPDX-FileCopyrightText: 2024 themias <89101928+themias@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 to4no_fix <156101927+chavonadelal@users.noreply.github.com>
// SPDX-FileCopyrightText: 2024 voidnull000 <18663194+voidnull000@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Aiden <28298836+Aidenkrz@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Aviu00 <93730715+Aviu00@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Piras314 <p1r4s@proton.me>
//
// SPDX-License-Identifier: AGPL-3.0-or-later

using Content.Shared.Actions;
using Content.Shared.DoAfter;
using Content.Shared.Interaction.Events;
using Content.Shared.Magic.Components;
using Content.Shared.Mind;
using Robust.Shared.Network;

namespace Content.Shared.Magic;

public sealed class SpellbookSystem : EntitySystem
{
    [Dependency] private readonly SharedMindSystem _mind = default!;
    [Dependency] private readonly SharedDoAfterSystem _doAfter = default!;
    [Dependency] private readonly SharedActionsSystem _actions = default!;
    [Dependency] private readonly ActionContainerSystem _actionContainer = default!;
    [Dependency] private readonly INetManager _netManager = default!;

    public override void Initialize()
    {
        SubscribeLocalEvent<SpellbookComponent, MapInitEvent>(OnInit, before: [typeof(SharedMagicSystem)]);
        SubscribeLocalEvent<SpellbookComponent, UseInHandEvent>(OnUse);
        SubscribeLocalEvent<SpellbookComponent, SpellbookDoAfterEvent>(OnDoAfter);
    }

    private void OnInit(Entity<SpellbookComponent> ent, ref MapInitEvent args)
    {
        foreach (var (id, charges) in ent.Comp.SpellActions)
        {
            var spell = _actionContainer.AddAction(ent, id);
            if (spell == null)
                continue;

            int? charge = charges;
            if (_actions.GetCharges(spell) != null)
                charge = _actions.GetCharges(spell);

            _actions.SetCharges(spell, charge < 0 ? null : charge);
            ent.Comp.Spells.Add(spell.Value);
        }
    }

    private void OnUse(Entity<SpellbookComponent> ent, ref UseInHandEvent args)
    {
        if (args.Handled)
            return;

        AttemptLearn(ent, args);

        args.Handled = true;
    }

    private void OnDoAfter<T>(Entity<SpellbookComponent> ent, ref T args) where T : DoAfterEvent // Sometimes i despise this language
    {
        if (args.Handled || args.Cancelled)
            return;

        args.Handled = true;

        if (!ent.Comp.LearnPermanently)
        {
            _actions.GrantActions(args.Args.User, ent.Comp.Spells, ent);
            return;
        }

        if (_mind.TryGetMind(args.Args.User, out var mindId, out _))
        {
            var mindActionContainerComp = EnsureComp<ActionsContainerComponent>(mindId);

            if (_netManager.IsServer)
                _actionContainer.TransferAllActionsWithNewAttached(ent, mindId, args.Args.User, newContainer: mindActionContainerComp);
        }
        else
        {
            foreach (var (id, charges) in ent.Comp.SpellActions)
            {
                EntityUid? actionId = null;
                if (_actions.AddAction(args.Args.User, ref actionId, id))
                    _actions.SetCharges(actionId, charges < 0 ? null : charges);
            }
        }

        ent.Comp.SpellActions.Clear();
    }

    private void AttemptLearn(Entity<SpellbookComponent> ent, UseInHandEvent args)
    {
        var doAfterEventArgs = new DoAfterArgs(EntityManager, args.User, ent.Comp.LearnTime, new SpellbookDoAfterEvent(), ent, target: ent)
        {
            BreakOnMove = true,
            BreakOnDamage = true,
            NeedHand = true, //What, are you going to read with your eyes only??
            MultiplyDelay = false, // Goobstation
        };

        _doAfter.TryStartDoAfter(doAfterEventArgs);
    }
}