using NEG.UI.UnityUi.WindowSlot;
using NEG.UI.Window;
using NEG.UI.WindowSlot;
using NegUtils.NEG.UI;
using System;
using System.Collections.Generic;
using UnityEngine;

namespace NEG.UI.Area
{
    public class MonoArea : MonoBehaviour, IArea
    {
        [SerializeField] private bool setAsDefaultArea;

        [SerializeField] private List<MonoWindowSlot> windowSlots;
        public IWindowSlot DefaultWindowSlot => windowSlots[0];

        protected virtual void Awake()
        {
            if (setAsDefaultArea)
                UiManager.Instance.CurrentArea = this;
        }

        private void Start()
        {
            if (!setAsDefaultArea)
                Close();
        }

        private void OnDestroy()
        {
            if (UiManager.Instance == null)
                return;
            if (ReferenceEquals(UiManager.Instance.CurrentArea, this))
                UiManager.Instance.CurrentArea = null;
        }

        public event Action<object> OnOpened;
        public event Action OnClosed;
        public event Action<IControllable.BackUsed> OnBackUsed;

        public IEnumerable<IWindowSlot> AvailableSlots => windowSlots;

        public void Open()
        {
            gameObject.SetActive(true);
            OnOpened?.Invoke(null);
        }

        public void Close()
        {
            gameObject.SetActive(false);
            OnClosed?.Invoke();
        }

        public void OpenWindow(IWindow window, object data = null) => DefaultWindowSlot.AttachWindow(window, data);

        public void TryUseBack(ref IControllable.BackUsed backUsed) => OnBackUsed?.Invoke(backUsed);
    }
}