Delta-v/Content.Server/Research/Systems/ResearchSystem.Console.cs

using Content.Server.Power.EntitySystems;
using Content.Server.Research.Components;
using Content.Shared.UserInterface;
using Content.Shared.Access.Components;
using Content.Shared.Emag.Components;
using Content.Shared.Emag.Systems;
using Content.Shared.IdentityManagement;
using Content.Shared.Research.Components;
using Content.Shared.Research.Prototypes;

namespace Content.Server.Research.Systems;

public sealed partial class ResearchSystem
{
    [Dependency] private readonly EmagSystem _emag = default!;

    private void InitializeConsole()
    {
        SubscribeLocalEvent<ResearchConsoleComponent, ConsoleUnlockTechnologyMessage>(OnConsoleUnlock);
        SubscribeLocalEvent<ResearchConsoleComponent, ConsoleRediscoverTechnologyMessage>(OnRediscoverTechnology);
        SubscribeLocalEvent<ResearchConsoleComponent, BeforeActivatableUIOpenEvent>(OnConsoleBeforeUiOpened);
        SubscribeLocalEvent<ResearchConsoleComponent, ResearchServerPointsChangedEvent>(OnPointsChanged);
        SubscribeLocalEvent<ResearchConsoleComponent, ResearchRegistrationChangedEvent>(OnConsoleRegistrationChanged);
        SubscribeLocalEvent<ResearchConsoleComponent, TechnologyDatabaseModifiedEvent>(OnConsoleDatabaseModified);
        SubscribeLocalEvent<ResearchConsoleComponent, TechnologyDatabaseSynchronizedEvent>(OnConsoleDatabaseSynchronized);
        SubscribeLocalEvent<ResearchConsoleComponent, GotEmaggedEvent>(OnEmagged);
    }

    private void OnRediscoverTechnology(
        EntityUid uid,
        ResearchConsoleComponent console,
        ConsoleRediscoverTechnologyMessage args
    )
    {
        var act = args.Actor;

        if (!this.IsPowered(uid, EntityManager))
            return;

        if (!HasAccess(uid, act))
        {
            _popup.PopupEntity(Loc.GetString("research-console-no-access-popup"), act);
            return;
        }

        if (!TryGetClientServer(uid, out var serverEnt, out var serverComponent))
            return;

        if(serverComponent.NextRediscover > _timing.CurTime)
            return;

        var rediscoverCost = serverComponent.RediscoverCost;
        if (rediscoverCost > serverComponent.Points)
            return;

        serverComponent.NextRediscover = _timing.CurTime + serverComponent.RediscoverInterval;

        ModifyServerPoints(serverEnt.Value, -rediscoverCost);
        UpdateTechnologyCards(serverEnt.Value);
        SyncClientWithServer(uid);
        UpdateConsoleInterface(uid);
    }

    private void OnConsoleUnlock(EntityUid uid, ResearchConsoleComponent component, ConsoleUnlockTechnologyMessage args)
    {
        var act = args.Actor;

        if (!this.IsPowered(uid, EntityManager))
            return;

        if (!PrototypeManager.TryIndex<TechnologyPrototype>(args.Id, out var technologyPrototype))
            return;

        if (!HasAccess(uid, act))
        {
            _popup.PopupEntity(Loc.GetString("research-console-no-access-popup"), act);
            return;
        }

        if (!UnlockTechnology(uid, args.Id, act))
            return;

        if (!_emag.CheckFlag(uid, EmagType.Interaction))
        {
            var getIdentityEvent = new TryGetIdentityShortInfoEvent(uid, act);
            RaiseLocalEvent(getIdentityEvent);

            var message = Loc.GetString(
                "research-console-unlock-technology-radio-broadcast",
                ("technology", Loc.GetString(technologyPrototype.Name)),
                ("amount", technologyPrototype.Cost),
                ("approver", getIdentityEvent.Title ?? string.Empty)
            );
            _radio.SendRadioMessage(uid, message, component.AnnouncementChannel, uid, escapeMarkup: false);
        }

        SyncClientWithServer(uid);
        UpdateConsoleInterface(uid, component);
    }

    private void OnConsoleBeforeUiOpened(EntityUid uid, ResearchConsoleComponent component, BeforeActivatableUIOpenEvent args)
    {
        SyncClientWithServer(uid);
    }

    private void UpdateConsoleInterface(EntityUid uid, ResearchConsoleComponent? component = null, ResearchClientComponent? clientComponent = null)
    {
        if (!Resolve(uid, ref component, ref clientComponent, false))
            return;

        
        var points = 0;
        var nextRediscover = TimeSpan.MaxValue;
        var rediscoverCost = 0;
        if (TryGetClientServer(uid, out _, out var serverComponent, clientComponent) && clientComponent.ConnectedToServer)
        {
            points = serverComponent.Points;
            nextRediscover = serverComponent.NextRediscover;
            rediscoverCost = serverComponent.RediscoverCost;
        }
        var state = new ResearchConsoleBoundInterfaceState(points, nextRediscover, rediscoverCost);

        _uiSystem.SetUiState(uid, ResearchConsoleUiKey.Key, state);
    }

    private void OnPointsChanged(EntityUid uid, ResearchConsoleComponent component, ref ResearchServerPointsChangedEvent args)
    {
        if (!_uiSystem.IsUiOpen(uid, ResearchConsoleUiKey.Key))
            return;
        UpdateConsoleInterface(uid, component);
    }

    private void OnConsoleRegistrationChanged(EntityUid uid, ResearchConsoleComponent component, ref ResearchRegistrationChangedEvent args)
    {
        SyncClientWithServer(uid);
        UpdateConsoleInterface(uid, component);
    }

    private void OnConsoleDatabaseModified(EntityUid uid, ResearchConsoleComponent component, ref TechnologyDatabaseModifiedEvent args)
    {
        SyncClientWithServer(uid);
        UpdateConsoleInterface(uid, component);
    }

    private void OnConsoleDatabaseSynchronized(EntityUid uid, ResearchConsoleComponent component, ref TechnologyDatabaseSynchronizedEvent args)
    {
        UpdateConsoleInterface(uid, component);
    }

    private void OnEmagged(Entity<ResearchConsoleComponent> ent, ref GotEmaggedEvent args)
    {
        if (!_emag.CompareFlag(args.Type, EmagType.Interaction))
            return;

        if (_emag.CheckFlag(ent, EmagType.Interaction))
            return;

        args.Handled = true;
    }

    private bool HasAccess(EntityUid uid, EntityUid act)
    {
        return TryComp<AccessReaderComponent>(uid, out var access) && _accessReader.IsAllowed(act, uid, access);
    }
}