using UnityEngine;
using VContainer;
using YachtDice.Economy;
using YachtDice.Modifiers.Definition;

namespace YachtDice.Shop
{
    public class ShopController : MonoBehaviour
    {
        [SerializeField] private ShopView shopView;

        private ModifierCatalogSO catalog;
        private CurrencyBank currencyBank;
        private ShopModel model;

        public ModifierCatalogSO Catalog => catalog;

        [Inject]
        public void Construct(ModifierCatalogSO catalog, CurrencyBank currencyBank, ShopModel model)
        {
            this.catalog = catalog;
            this.currencyBank = currencyBank;
            this.model = model;
        }

        private void Start()
        {
            shopView.OnBuyClicked += HandleBuyClicked;
            currencyBank.OnBalanceChanged += HandleCurrencyChanged;
            model.OnItemPurchased += HandleItemPurchased;

            shopView.Populate(catalog.All, model);
            shopView.UpdateCurrencyDisplay(currencyBank.Balance);
        }

        private void OnDestroy()
        {
            if (shopView != null)
                shopView.OnBuyClicked -= HandleBuyClicked;

            if (currencyBank != null)
                currencyBank.OnBalanceChanged -= HandleCurrencyChanged;

            if (model != null)
                model.OnItemPurchased -= HandleItemPurchased;
        }

        public void ToggleVisibility()
        {
            if (shopView == null) return;

            if (shopView.IsVisible)
                shopView.Hide();
            else
                shopView.Show();
        }

        private void HandleBuyClicked(ModifierDefinitionSO def)
        {
            model.TryPurchase(def);
        }

        private void HandleCurrencyChanged(int newBalance)
        {
            shopView.UpdateCurrencyDisplay(newBalance);
            shopView.RefreshStates(catalog.All, model);
        }

        private void HandleItemPurchased(ModifierDefinitionSO def)
        {
            shopView.RefreshStates(catalog.All, model);
        }
    }
}