using Content.Server.Store.Components;
using Content.Server.Store.Systems;
using Content.Shared.Actions;
using Content.Shared.Changeling;
using Content.Shared.Examine;
using Content.Shared.GameTicking;
using Content.Shared.IdentityManagement;
using Content.Shared.Implants;
using Content.Shared.Implants.Components;
using Content.Shared.Rejuvenate;

namespace Content.Server.Changeling;

public sealed partial class ChangelingSystem : EntitySystem
{
    [Dependency] private readonly SharedActionsSystem _action = default!;
    [Dependency] private readonly ChemicalsSystem _chemicalsSystem = default!;
    [Dependency] private readonly SharedSubdermalImplantSystem _implantSystem = default!;
    [Dependency] private readonly StoreSystem _storeSystem = default!;
    [Dependency] private readonly ChangelingNameGenerator _nameGenerator = default!;

    public override void Initialize()
    {
        base.Initialize();

        SubscribeLocalEvent<ChangelingComponent, ComponentInit>(OnInit);
        SubscribeLocalEvent<RoundRestartCleanupEvent>(OnRoundRestart);

        SubscribeLocalEvent<AbsorbedComponent, ExaminedEvent>(OnExamine);
        SubscribeLocalEvent<AbsorbedComponent, RejuvenateEvent>(OnRejuvenate);

        InitializeAbilities();
        InitializeShop();
    }

#region Handlers

    private void OnInit(EntityUid uid, ChangelingComponent component, ComponentInit args)
    {
        SetupShop(uid, component);
        SetupInitActions(uid, component);
        CopyHumanoidData(uid, uid, component);

        component.HiveName = _nameGenerator.GetName();
        Dirty(uid, component);

        _chemicalsSystem.UpdateAlert(uid, component);
        component.IsInited = true;
    }

    private void OnRoundRestart(RoundRestartCleanupEvent _)
    {
        _nameGenerator.ClearUsed();
    }

    private void OnExamine(EntityUid uid, AbsorbedComponent component, ExaminedEvent args)
    {
        args.PushMarkup(Loc.GetString("changeling-juices-sucked-up", ("target", Identity.Entity(uid, EntityManager))));
    }

    private void OnRejuvenate(Entity<AbsorbedComponent> ent, ref RejuvenateEvent args)
    {
        RemCompDeferred<AbsorbedComponent>(ent);
        RemCompDeferred<UncloneableComponent>(ent);
    }

#endregion

#region Helpers

    private void SetupShop(EntityUid uid, ChangelingComponent component)
    {
        if (component.IsInited)
            return;

        var coords = Transform(uid).Coordinates;
        var implant = Spawn("ChangelingShopImplant", coords);

        if (!TryComp<SubdermalImplantComponent>(implant, out var implantComp))
            return;

        _implantSystem.ForceImplant(uid, implant, implantComp);

        if (!TryComp<StoreComponent>(implant, out var implantStore))
            return;

        implantStore.Balance.Add("ChangelingPoint", component.StartingPointsBalance);
    }

    private void SetupInitActions(EntityUid uid, ChangelingComponent component)
    {
        if (component.IsInited)
            return;

        _action.AddAction(uid, ChangelingAbsorb);
        _action.AddAction(uid, ChangelingTransform);
        _action.AddAction(uid, ChangelingRegenerate);
    }

#endregion
}