using System;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.InputSystem;
using UnityEngine.Localization.Components;
using UnityEngine.UI;

namespace DDD.Restaurant
{
    [RequireComponent(typeof(CookViewModel))]
    public class CookUi : PopupUi<RestaurantUiActions, CookViewModel>
    {
        [SerializeField] private TabGroupUi _addedCookTabGroup;
        [SerializeField] private Transform _addedCookContent;
        [SerializeField] private Transform _cookIngredientContent;
        [SerializeField] private Image _cookwareImage;
        [SerializeField] private Image _cookImage;
        [SerializeField] private List<SelectedIngredient> _selectedIngredients = new(6);
        [SerializeField] private LocalizeStringEvent _cookwareName;
        [SerializeField] private LocalizeStringEvent _cookName;
        [SerializeField] private LocalizeStringEvent _cookDescriptionName;
        [SerializeField] private TextMeshProUGUI _cookPrice;
        [SerializeField] private RectTransform _tasteHashTagContent1;
        [SerializeField] private HorizontalLayoutGroup _tasteHashTagContentLayoutGroup;
        [SerializeField] private RectTransform _tasteHashTagContent2;
        
        protected override void OnCreatedInitialize()
        {
            base.OnCreatedInitialize();
            
            _addedCookTabGroup.Initialize(OnAddedCookTabSelected);

            foreach (var selectedIngredient in _selectedIngredients)
            {
                selectedIngredient.Initialize();
            }
        }

        public override void Open(OpenPopupUiEvent evt)
        {
            base.Open(evt);
            
            if (evt.Payload is CookwareType cookwareType)
            {
                _viewModel.SetCookwareType(cookwareType);
            }

            _viewModel.CreateAddedCookItemSlot(_addedCookContent);
            _viewModel.CreateIngredientInventoryItemSlot(_cookIngredientContent);
            
            _addedCookTabGroup.SelectFirstTab();

            IsInitialized = true;
        }

        protected override void OnOpenedEvents()
        {
            base.OnOpenedEvents();
            
            _viewModel.OnAddedIngredients += OnAddedIngredients;
        }

        protected override void OnClosedEvents()
        {
            base.OnClosedEvents();

            if (_viewModel)
            {
                _viewModel.OnAddedIngredients -= OnAddedIngredients;
            }
        }

        protected override void SetupBindings()
        {
            base.SetupBindings();
            
            BindingHelper.BindImage(_bindingContext, _cookwareImage, nameof(_viewModel.CookwareIcon));
            BindingHelper.BindLocalizedStringEvent(_bindingContext, _cookwareName, nameof(_viewModel.CookwareName));
            
            BindingHelper.BindLocalizedStringEvent<CookViewModel>(_bindingContext, _cookName, viewModel => viewModel.SelectedCookSnapshot.Name);
            BindingHelper.BindLocalizedStringEvent<CookViewModel>(_bindingContext, _cookDescriptionName, viewModel => viewModel.SelectedCookSnapshot.Description);
            BindingHelper.BindText<CookViewModel>(_bindingContext, _cookPrice, viewModel => viewModel.SelectedCookSnapshot.CookPrice);
            BindingHelper.BindImage<CookViewModel>(_bindingContext, _cookImage, viewModel => viewModel.SelectedCookSnapshot.CookIcon);
        }
        
        protected override GameObject GetInitialSelected()
        {
            if (IsInitialized == false) return null;

            var initialSelected = _viewModel.GetInitialSelected();
            if (initialSelected)
            {
                return initialSelected;
            }
            
            return null;
        }

        protected override bool OnInputPerformed(RestaurantUiActions actionEnum, InputAction.CallbackContext context)
        {
            if (base.OnInputPerformed(actionEnum, context) == false) return false;

            switch (actionEnum)
            {
                case RestaurantUiActions.Cancel:
                    Close();
                    break;
                case RestaurantUiActions.Interact1:
                    HandleInteract1();
                    break;
            }

            return true;
        }
        
        private void HandleInteract1()
        {
            var selected = EventSystem.current.currentSelectedGameObject;
            var interactable = selected?.GetComponent<IInteractableUi>();
            interactable?.OnInteract();
        }

        private void OnAddedCookTabSelected(int index)
        {
            _viewModel.SetAddedCook(index);

            UpdateTasteHashTags();
        }

        private void OnAddedIngredients()
        {
            var ingredients = _viewModel.SelectedCookSlot.Model.GetIngredients;
            for (int i = 0; i < _selectedIngredients.Count; i++)
            {
                IngredientEntry ingredient = null;
                if (ingredients != null && i < ingredients.Count)
                {
                    ingredient = ingredients[i];
                }
                _selectedIngredients[i].SetIngredientEntry(ingredient);
            }
        }
        
        private void UpdateTasteHashTags()
        {
            ClearHashTags();
            var tastes = _viewModel.SelectedCookSnapshot.Tastes;
            if (tastes == null || tastes.Count == 0) return;

            var material = _viewModel.SelectedCookSnapshot.TasteMaterial;
            float maxWidth = _tasteHashTagContent1.rect.width;
            float currentLineWidth = 0f;

            foreach (var taste in tastes)
            {
                var instance = _viewModel.CreateHashTag(_tasteHashTagContent1);
                instance.Initialize(material, taste);

                LayoutRebuilder.ForceRebuildLayoutImmediate(instance.RectTransform);
                float w = instance.RectTransform.rect.width;
                if (currentLineWidth + w > maxWidth)
                {
                    instance.transform.SetParent(_tasteHashTagContent2, false);
                    currentLineWidth = w + _tasteHashTagContentLayoutGroup.spacing;
                }
                else
                {
                    currentLineWidth += w + _tasteHashTagContentLayoutGroup.spacing;
                }
            }

            LayoutRebuilder.ForceRebuildLayoutImmediate(_tasteHashTagContent1);
            LayoutRebuilder.ForceRebuildLayoutImmediate(_tasteHashTagContent2);
        }
        
        private void ClearHashTags()
        {
            Utils.DestroyAllChildren(_tasteHashTagContent1);
            Utils.DestroyAllChildren(_tasteHashTagContent2);
        }
    }
}