using System;
using System.Collections.Generic;
using Code.Infrastructure.EventBus;
using Reflex.Core;
using Reflex.Extensions;
using Reflex.Injectors;
using UnityEngine.SceneManagement;

namespace Code.Infrastructure.UI
{
    public interface IUIService
    {
        void OpenPanel(UIPanelType uiPanelType);
        void ClosePanel(UIPanelType uiPanelType);
        void TryLoadPanel(UIPanelType uiPanelType);
        void TryRemovePanel(UIPanelType uiPanelType);
        void SetCanvasCamera(UnityEngine.Camera camera);
        UIPanel TryGetPanel(UIPanelType panelType);
    }

    public class UIService : IUIPanelLoadedHandle, IUIService
    {
        private Dictionary<UIPanelType, UIPanel> _loadedPanels = new();

        private EventBus.EventBus _eventBus;
        private IUIFactory _factory;

        public UIService(EventBus.EventBus eventBus, IUIFactory factory)
        {
            _eventBus = eventBus;
            _factory = factory;
            eventBus.Subscribe(this);
        }

        public void SetCanvasCamera(UnityEngine.Camera camera)
        {
            _factory.Canvas.worldCamera = camera;
            _factory.Canvas.planeDistance = 0.3f;
        }

        public void OpenPanel(UIPanelType uiPanelType)
        {
            _loadedPanels[uiPanelType].gameObject.SetActive(true);
            _loadedPanels[uiPanelType].Open();
        }

        // TODO Close event
        public void ClosePanel(UIPanelType uiPanelType)
        {
            _loadedPanels[uiPanelType].Close(() => { _loadedPanels[uiPanelType].gameObject.SetActive(false); });
        }

        public void TryLoadPanel(UIPanelType uiPanelType) => _factory.LoadPanel(uiPanelType);

        public void UIPanelLoaded(UIPanel panel, UIPanelType panelType)
        {
            _loadedPanels.Add(panelType, panel);

            if (panel.InjectMeSenpai)
                GameObjectInjector.InjectRecursive(panel.gameObject, Container.RootContainer);
            // GameObjectInjector.InjectRecursive(panel.gameObject, SceneManager.GetActiveScene().GetSceneContainer()); // Скорее всего будут нужны компоненты текущей сцены

            _eventBus.RaiseEvent<IUIPanelLoaded>(ui => ui.UILoaded(panelType));
        }

        public void TryRemovePanel(UIPanelType uiPanelType)
        {
            _loadedPanels[uiPanelType].Close(() =>
            {
                _loadedPanels[uiPanelType].gameObject.SetActive(false);
                RemovePanel(uiPanelType);
            });
        }

        private void RemovePanel(UIPanelType panelType)
        {
            _factory.ReleasePanel(_loadedPanels[panelType]);
            _loadedPanels.Remove(panelType);
        }

        public UIPanel TryGetPanel(UIPanelType panelType) => _loadedPanels.GetValueOrDefault(panelType);
    }

    public interface IUIPanelLoaded : IGlobalSubscriber
    {
        void UILoaded(UIPanelType uiPanelType);
    }
}