IAPStoreButton

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Events;
using UnityEngine.Purchasing;
#if UNITY_EDITOR
using System.Reflection;
using UnityEditor.Events;
#endif

namespace com.dod.spacezoo.iap
{
    using System;
    using standards;

    [RequireComponent(typeof(Button))]
    public class IAPStoreButton : MonoBehaviour
    {
        [SerializeField, IAPBundle] private string m_ProductID;
        public string ProductID => m_ProductID;
        public void ChangeProductID(string productID)
        {
            m_ProductID = productID;
        }
        [SerializeField] private bool m_ManualBuy;

        [Tooltip("Consume the product immediately after a successful purchase")]
        [SerializeField] private bool m_ConsumePurchase;
        public bool ConsumePurchase => m_ConsumePurchase;

        [Serializable] public class OnPurchaseCompletedEvent : UnityEvent<Product> { };
        [Serializable] public class OnPurchaseFailedEvent : UnityEvent<Product, PurchaseFailureReason> { };

        [Header("Events")]
        [Tooltip("Event fired after a successful purchase of this product")]
        [SerializeField] private OnPurchaseCompletedEvent onPurchaseComplete;

        [Tooltip("Event fired after a failed purchase of this product")]
        [SerializeField] private OnPurchaseFailedEvent onPurchaseFailed;

        [Header("UI")]
        [Tooltip("[Optional] Displays the localized title from the app store")]
        [SerializeField] private Text m_TitleText;
        public Text TitleText => m_TitleText;

        [Tooltip("[Optional] Displays the localized description from the app store")]
        [SerializeField] private Text m_DescriptionText;
        public Text DescriptionText => m_DescriptionText;

        [Tooltip("[Optional] Displays the localized price from the app store")]
        [SerializeField] private Text m_PriceText;
        public Text PriceText => m_PriceText;

        public string LocalizedPriceString => IAPStoreHandler.IsInitialized ? IAPStoreHandler.Instance.GetProduct(m_ProductID).metadata.localizedPriceString : "--";

        public static List<IAPStoreButton> All { get; private set; } = new List<IAPStoreButton>();

        private void OnDisable()
        {
            All.Remove(this);
        }

        private void OnEnable()
        {
            All.Add(this);

            if (IAPStoreHandler.IsInitialized)
            {
                UpdateText();
            }
        }

        private void Start()
        {
            if(!m_ManualBuy)
            {
                GetComponent<Button>().onClick.AddListener(PurchaseProduct);
            }
        }

        public void UpdateText()
        {
            if (!string.IsNullOrEmpty(m_ProductID))
            {
                var product = IAPStoreHandler.Instance.GetProduct(m_ProductID);
                if (product != null)
                {
                    if (m_TitleText != null)
                    {
                        m_TitleText.text = product.metadata.localizedTitle;
                    }

                    if (m_DescriptionText != null)
                    {
                        m_DescriptionText.text = product.metadata.localizedDescription;
                    }

                    if (m_PriceText != null)
                    {
                        m_PriceText.text = product.metadata.localizedPriceString;
                    }
                }
            }
        }

        public void PurchaseProduct()
        {
            IAPStoreHandler.Instance.StartPurchase(m_ProductID, this);
        }

        public void OnPurchaseCompleted(Product product)
        {
            onPurchaseComplete.Invoke(product);
        }

        public void OnPurchaseFailed(Product product, PurchaseFailureReason reason)
        {
            onPurchaseFailed.Invoke(product, reason);
        }
    }
}