Second step

Content.Shared/_Amour/ProtocolCRAB17/ProtocolCRAB17Component.cs

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+using Content.Shared.DoAfter;
+using Robust.Shared.Audio;
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared._Amour.ProtocolCRAB17;
+
+/// <summary>
+/// WD
+/// </summary>
+[NetworkedComponent, RegisterComponent]
+public sealed partial class ProtocolCRAB17Component : Component
+{
+    [ViewVariables]
+    public int? BankAccountId;
+
+    [ViewVariables]
+    public bool HasBankAccountId = false;
+
+    [DataField]
+    public SoundSpecifier UseSound = new SoundPathSpecifier("/Audio/_Amour/ProtocolCRAB17/Phone_Dial.ogg");
+
+    [DataField]
+    public SoundSpecifier SoundApply = new SoundPathSpecifier("/Audio/White/Machines/chime.ogg");
+
+}
+
+[Serializable, NetSerializable]
+public sealed partial class ProtocolCRAB17DoAfterEvent : SimpleDoAfterEvent
+{
+}

Content.Shared/_Amour/ProtocolCRAB17/SharedProtocolCRAB17System.cs

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+using Content.Shared._White.Economy;
+using Content.Shared.DoAfter;
+using Content.Shared.Interaction;
+using Content.Shared.Interaction.Events;
+using Content.Shared.Popups;
+using Content.Shared.Timing;
+using Robust.Shared.Audio.Systems;
+
+namespace Content.Shared._Amour.ProtocolCRAB17;
+
+public abstract class SharedProtocolCRAB17System : EntitySystem
+{
+    [Dependency] private readonly SharedPopupSystem _popupSystem = default!;
+    [Dependency] private readonly UseDelaySystem _useDelay = default!;
+    [Dependency] private readonly SharedAudioSystem _audioSystem = default!;
+    [Dependency] private readonly SharedDoAfterSystem _doAfterSystem = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<ProtocolCRAB17Component, UseInHandEvent>(OnUseInHand);
+        SubscribeLocalEvent<ProtocolCRAB17Component, ProtocolCRAB17DoAfterEvent>(OnDoAfter);
+        SubscribeLocalEvent<ProtocolCRAB17Component, InteractUsingEvent>(OnInteractUsing);
+    }
+
+    private void OnInteractUsing(EntityUid uid, ProtocolCRAB17Component component, InteractUsingEvent args)
+    {
+        if (!TryComp(args.Used, out BankCardComponent? bankCard))
+            return;
+
+        if (!TryComp(uid, out UseDelayComponent? useDelay) ||
+            !_useDelay.TryResetDelay((uid, useDelay), true))
+            return;
+
+        component.BankAccountId = bankCard.AccountId;
+        component.HasBankAccountId = true;
+        _popupSystem.PopupPredicted(Loc.GetString("protocol-CRAB17-card-accepted"), uid, args.User);
+        _audioSystem.PlayPredicted(component.SoundApply, uid, args.User);
+    }
+
+    private void OnUseInHand(EntityUid uid, ProtocolCRAB17Component component, ref UseInHandEvent args)
+    {
+        if (args.Handled ||
+            !TryComp(uid, out UseDelayComponent? useDelay) ||
+            !_useDelay.TryResetDelay((uid, useDelay), true))
+            return;
+
+        if (component.HasBankAccountId == false)
+        {
+            _popupSystem.PopupClient(Loc.GetString("protocol-CRAB17-no-card"), uid, args.User);
+            return;
+        }
+
+        var doAfterEventArgs = new DoAfterArgs(EntityManager, args.User, useDelay.Delay, new ProtocolCRAB17DoAfterEvent(), uid, target: uid)
+        {
+            BreakOnMove = true,
+            BreakOnDamage = true,
+            NeedHand = true
+        };
+
+        // TODO find a way to stop playsound on doafter cancel
+        _audioSystem.PlayPredicted(component.UseSound, uid, args.User);
+        _popupSystem.PopupClient(Loc.GetString("protocol-CRAB17-try-activate"), uid, args.User);
+        _doAfterSystem.TryStartDoAfter(doAfterEventArgs);
+        args.Handled = true;
+    }
+
+    public abstract void OnDoAfter(Entity<ProtocolCRAB17Component> ent, ref ProtocolCRAB17DoAfterEvent args);
+
+}