using System.Collections;
using System.Collections.Generic;
using TMPro;
using UniRx;
using UnityEngine;
using UnityEngine.UI;

namespace TON
{
    // View
    public class ShopItemUI : MonoBehaviour
    {
        [SerializeField] private Image image;
        [SerializeField] private TextMeshProUGUI title;
        [SerializeField] private TextMeshProUGUI txtPrice;
        [SerializeField] private Button buyButton;
        
        public void Bind(ShopItemPresenter presenter)
        {
            presenter.Price.Subscribe(text => txtPrice.text = text.ToString()).AddTo(this);
			presenter.PotionType.CombineLatest(presenter.Quantity, (type, quantity)=> $"{type} 포션 {quantity}개")
				.Subscribe(text => title.text = text)
				.AddTo(this);
			presenter.BuyCommand.BindTo(buyButton).AddTo(this);
        }
        
        [ContextMenu("Bind")]
        public void BindReference()
        {
            image = transform.Find("ItemLayout/ItemImage").GetComponent<Image>();
            title = transform.Find("ItemLayout/Text (TMP)").GetComponent<TextMeshProUGUI>();
            txtPrice = transform.Find("ItemLayout/Button/Text (TMP)").GetComponent<TextMeshProUGUI>();
            buyButton = transform.Find("ItemLayout/Button").GetComponent<Button>();
        }
    }
    
    // Presenter
    public class ShopItemPresenter
    {
        public ReactiveProperty<int> Price { get; set; }
        public ReactiveProperty<string> PotionType { get; set; }
        public ReactiveProperty<int> Quantity { get; set; }
        public ReactiveCommand BuyCommand { get; set; }

        private ShopItemModel _model;

        public ShopItemPresenter(ShopPresenter shopPresenter, ShopItemModel model)
        {
            _model = model;
            
            Price = new ReactiveProperty<int>(_model.Price);
            PotionType = new ReactiveProperty<string>(_model.PotionType);
            Quantity = new ReactiveProperty<int>(_model.Quantity);
            
            BuyCommand = new ReactiveCommand();
            BuyCommand.Subscribe(_ => shopPresenter.BuyPotion(this));
        }
    }
    
    // Model
    public class ShopItemModel
    {
        public int Price;
        public string PotionType;
        public int Quantity;

        public ShopItemModel(int price, string postionType, int quantity)
        {
            Price = price;
            PotionType = postionType;
            Quantity = quantity;
        }
    }
}