A-Fairytale-Gone-Bad-Briar-Queen/Assets/Scripts/Game/Items/Environment/General/Book/BookTrigger.cs

using System;
using System.Threading;
using BriarQueen.Data.Identifiers;
using BriarQueen.Framework.Events.Save;
using BriarQueen.Framework.Events.UI;
using BriarQueen.Framework.Managers.Levels.Data;
using BriarQueen.Framework.Managers.Player.Data;
using BriarQueen.Framework.Managers.UI;
using Cysharp.Threading.Tasks;
using PrimeTween;
using UnityEngine;

namespace BriarQueen.Game.Items.Environment.General.Book
{
    public class BookTrigger : BaseItem
    {
        [Header("References")]
        [SerializeField]
        private AssetItemKey _bookAssetID;

        [SerializeField]
        private BookEntryID _bookEntryID;

        [Header("Book Interface")]
        [SerializeField]
        private BookInterface _bookInterface;

        private CancellationTokenSource _displayCts;

        private Sequence _displaySequence;

        public override string InteractableName => "Worn Book";
        public override UICursorService.CursorStyle ApplicableCursorStyle => UICursorService.CursorStyle.Inspect;

        public override async UniTask OnInteract(ItemDataSo item = null)
        {
            if (item != null)
            {
                EventCoordinator.Publish(new DisplayInteractEvent(InteractEventIDs.Get(ItemInteractKey.CantUseItem)));
                return;
            }

            if (!CheckEmptyHands())
                return;

            await InstantiateBookInterface();
        }

        private async UniTask InstantiateBookInterface()
        {
            Debug.Log($"Instantiating {_bookAssetID}");

            if (!AssetRegistry.TryGetReference(AssetKeyIdentifiers.Get(_bookAssetID), out var assetReference) ||
                assetReference == null)
                return;

            var bookObj = await AddressableManager.InstantiateAsync(assetReference);
            if (bookObj == null) return;

            _bookInterface = bookObj.GetComponent<BookInterface>();
            if (_bookInterface == null) return;

            _bookInterface.CanvasGroup.alpha = 0f;
            _bookInterface.CanvasGroup.blocksRaycasts = false;
            _bookInterface.CanvasGroup.interactable = false;

            _bookInterface.Initialise(this);
            Debug.Log($"Instantiated {_bookAssetID}");

            CancelTweenIfRunning();
            _displayCts = new CancellationTokenSource();

            _displaySequence = Sequence.Create(useUnscaledTime: true)
                .Group(Tween.Alpha(_bookInterface.CanvasGroup, new TweenSettings<float>
                {
                    endValue = 1f,
                    settings = new TweenSettings { duration = 0.8f }
                }));

            try
            {
                await _displaySequence.ToUniTask(cancellationToken: _displayCts.Token);
            }
            catch (OperationCanceledException)
            {
            }

            _bookInterface.CanvasGroup.blocksRaycasts = true;
            _bookInterface.CanvasGroup.interactable = true;

            ShowTutorialIfNeeded();
            UnlockCodexEntry();
        }

        private void ShowTutorialIfNeeded()
        {
            TutorialService.DisplayTutorial(TutorialPopupID.ExitItems);
        }

        private void UnlockCodexEntry()
        {
            PlayerManager.UnlockCodexEntry(CodexEntryIDs.Get(_bookEntryID));
        }

        public async UniTask CloseBookInterface()
        {
            if (_bookInterface == null) return;

            CancelTweenIfRunning();
            _displayCts = new CancellationTokenSource();

            _displaySequence = Sequence.Create(useUnscaledTime: true)
                .Group(Tween.Alpha(_bookInterface.CanvasGroup, new TweenSettings<float>
                {
                    startValue = _bookInterface.CanvasGroup.alpha,
                    endValue = 0f,
                    settings = new TweenSettings { duration = 0.6f }
                }));

            try
            {
                await _displaySequence.ToUniTask(cancellationToken: _displayCts.Token);
            }
            catch (OperationCanceledException)
            {
            }

            await DestructionService.Destroy(_bookInterface.gameObject);
            _bookInterface = null;
        }

        private void CancelTweenIfRunning()
        {
            if (_displaySequence.isAlive) _displaySequence.Complete();
            DisposeCts();
        }

        private void DisposeCts()
        {
            if (_displayCts == null) return;

            _displayCts.Cancel();
            _displayCts.Dispose();
            _displayCts = null;
        }
    }
}