garden_client/Assets/Plugins/UnityPurchasing/script/IAPDemo.cs

#if UNITY_ANDROID || UNITY_IPHONE || UNITY_STANDALONE_OSX || UNITY_TVOS
// You must obfuscate your secrets using Window > Unity IAP > Receipt Validation Obfuscator
// before receipt validation will compile in this sample.
// #define RECEIPT_VALIDATION
#endif
//#define DELAY_CONFIRMATION // Returns PurchaseProcessingResult.Pending from ProcessPurchase, then calls ConfirmPendingPurchase after a delay
//#define USE_PAYOUTS // Enables use of PayoutDefinitions to specify what the player should receive when a product is purchased
using System;
using System.Collections;
using System.Collections.Generic;

using UnityEngine;
using UnityEngine.Purchasing;
using UnityEngine.Store; // UnityChannel
using UnityEngine.UI;
#if RECEIPT_VALIDATION
using UnityEngine.Purchasing.Security;
#endif

/// <summary>
/// An example of Unity IAP functionality.
/// To use with your account, configure the product ids (AddProduct).
/// </summary>
[AddComponentMenu("Unity IAP/Demo")]
public class IAPDemo : MonoBehaviour, IStoreListener
{
    // Unity IAP objects
    private IStoreController m_Controller;
    private IAppleExtensions m_AppleExtensions;
    private IMoolahExtension m_MoolahExtensions;
    private ISamsungAppsExtensions m_SamsungExtensions;
    private IMicrosoftExtensions m_MicrosoftExtensions;
    private IUnityChannelExtensions m_UnityChannelExtensions;

    #pragma warning disable 0414
    private bool m_IsGooglePlayStoreSelected;
    #pragma warning restore 0414
    private bool m_IsSamsungAppsStoreSelected;
    private bool m_IsCloudMoolahStoreSelected;
    private bool m_IsUnityChannelSelected;

    private string m_LastTransationID;
    private string m_LastReceipt;
    private string m_CloudMoolahUserName;
    private bool m_IsLoggedIn = false;
    private UnityChannelLoginHandler unityChannelLoginHandler; // Helper for interfacing with UnityChannel API
    private bool m_FetchReceiptPayloadOnPurchase = false;

    private int m_SelectedItemIndex = -1; // -1 == no product
    private bool m_PurchaseInProgress;
    private Selectable m_InteractableSelectable; // Optimization used for UI state management

    #if RECEIPT_VALIDATION
    private CrossPlatformValidator validator;
    #endif

    /// <summary>
    /// This will be called when Unity IAP has finished initialising.
    /// </summary>
    public void OnInitialized(IStoreController controller, IExtensionProvider extensions)
    {
        m_Controller = controller;
        m_AppleExtensions = extensions.GetExtension<IAppleExtensions> ();
        m_SamsungExtensions = extensions.GetExtension<ISamsungAppsExtensions> ();
        m_MoolahExtensions = extensions.GetExtension<IMoolahExtension> ();
        m_MicrosoftExtensions = extensions.GetExtension<IMicrosoftExtensions> ();
        m_UnityChannelExtensions = extensions.GetExtension<IUnityChannelExtensions> ();

        InitUI(controller.products.all);

        // On Apple platforms we need to handle deferred purchases caused by Apple's Ask to Buy feature.
        // On non-Apple platforms this will have no effect; OnDeferred will never be called.
        m_AppleExtensions.RegisterPurchaseDeferredListener(OnDeferred);

        Debug.Log("Available items:");
        foreach (var item in controller.products.all)
        {
            if (item.availableToPurchase)
            {
                Debug.Log(string.Join(" - ",
                    new[]
                    {
                        item.metadata.localizedTitle,
                        item.metadata.localizedDescription,
                        item.metadata.isoCurrencyCode,
                        item.metadata.localizedPrice.ToString(),
                        item.metadata.localizedPriceString,
                        item.transactionID,
                        item.receipt
                    }));
            }
        }

        // Prepare model for purchasing
        if (m_Controller.products.all.Length > 0)
        {
            m_SelectedItemIndex = 0;
        }

        // Populate the product menu now that we have Products
        for (int t = 0; t < m_Controller.products.all.Length; t++)
        {
            var item = m_Controller.products.all[t];
            var description = string.Format("{0} | {1} => {2}", item.metadata.localizedTitle, item.metadata.localizedPriceString, item.metadata.localizedPrice);

            // NOTE: my options list is created in InitUI
            GetDropdown().options[t] = new Dropdown.OptionData(description);
        }

        // Ensure I render the selected list element
        GetDropdown().RefreshShownValue();

        // Now that I have real products, begin showing product purchase history
        UpdateHistoryUI();

        LogProductDefinitions();
    }

    /// <summary>
    /// This will be called when a purchase completes.
    /// </summary>
    public PurchaseProcessingResult ProcessPurchase(PurchaseEventArgs e)
    {
        Debug.Log("Purchase OK: " + e.purchasedProduct.definition.id);
        Debug.Log("Receipt: " + e.purchasedProduct.receipt);

        m_LastTransationID = e.purchasedProduct.transactionID;
        m_LastReceipt = e.purchasedProduct.receipt;
        m_PurchaseInProgress = false;

        // Decode the UnityChannelPurchaseReceipt, extracting the gameOrderId
        if (m_IsUnityChannelSelected)
        {
            var unifiedReceipt = JsonUtility.FromJson<UnifiedReceipt>(e.purchasedProduct.receipt);
            if (unifiedReceipt != null && !string.IsNullOrEmpty(unifiedReceipt.Payload))
            {
                var purchaseReceipt = JsonUtility.FromJson<UnityChannelPurchaseReceipt>(unifiedReceipt.Payload);
                Debug.LogFormat("UnityChannel receipt: storeSpecificId = {0}, transactionId = {1}, orderQueryToken = {2}",
                    purchaseReceipt.storeSpecificId, purchaseReceipt.transactionId, purchaseReceipt.orderQueryToken);
            }
        }

        #if RECEIPT_VALIDATION
        // Local validation is available for GooglePlay, Apple, and UnityChannel stores
        if (m_IsGooglePlayStoreSelected ||
            (m_IsUnityChannelSelected && m_FetchReceiptPayloadOnPurchase) ||
            Application.platform == RuntimePlatform.IPhonePlayer ||
            Application.platform == RuntimePlatform.OSXPlayer ||
            Application.platform == RuntimePlatform.tvOS) {
            try {
                var result = validator.Validate(e.purchasedProduct.receipt);
                Debug.Log("Receipt is valid. Contents:");
                foreach (IPurchaseReceipt productReceipt in result) {
                    Debug.Log(productReceipt.productID);
                    Debug.Log(productReceipt.purchaseDate);
                    Debug.Log(productReceipt.transactionID);

                    GooglePlayReceipt google = productReceipt as GooglePlayReceipt;
                    if (null != google) {
                        Debug.Log(google.purchaseState);
                        Debug.Log(google.purchaseToken);
                    }

                    UnityChannelReceipt unityChannel = productReceipt as UnityChannelReceipt;
                    if (null != unityChannel) {
                        Debug.Log(unityChannel.productID);
                        Debug.Log(unityChannel.purchaseDate);
                        Debug.Log(unityChannel.transactionID);
                    }

                    AppleInAppPurchaseReceipt apple = productReceipt as AppleInAppPurchaseReceipt;
                    if (null != apple) {
                        Debug.Log(apple.originalTransactionIdentifier);
                        Debug.Log(apple.subscriptionExpirationDate);
                        Debug.Log(apple.cancellationDate);
                        Debug.Log(apple.quantity);
                    }

                    // For improved security, consider comparing the signed
                    // IPurchaseReceipt.productId, IPurchaseReceipt.transactionID, and other data
                    // embedded in the signed receipt objects to the data which the game is using
                    // to make this purchase.
                }
            } catch (IAPSecurityException ex) {
                Debug.Log("Invalid receipt, not unlocking content. " + ex);
                return PurchaseProcessingResult.Complete;
            }
        }
        #endif

        // Unlock content from purchases here.
#if USE_PAYOUTS
        if (e.purchasedProduct.definition.payouts != null) {
            Debug.Log("Purchase complete, paying out based on defined payouts");
            foreach (var payout in e.purchasedProduct.definition.payouts) {
                Debug.Log(string.Format("Granting {0} {1} {2} {3}", payout.quantity, payout.typeString, payout.subtype, payout.data));
            }
        }
#endif
        // Indicate if we have handled this purchase.
        //   PurchaseProcessingResult.Complete: ProcessPurchase will not be called
        //     with this product again, until next purchase.
        //   PurchaseProcessingResult.Pending: ProcessPurchase will be called
        //     again with this product at next app launch. Later, call
        //     m_Controller.ConfirmPendingPurchase(Product) to complete handling
        //     this purchase. Use to transactionally save purchases to a cloud
        //     game service.
#if DELAY_CONFIRMATION
        StartCoroutine(ConfirmPendingPurchaseAfterDelay(e.purchasedProduct));
        return PurchaseProcessingResult.Pending;
#else
        UpdateHistoryUI();
        return PurchaseProcessingResult.Complete;
#endif
    }

#if DELAY_CONFIRMATION
    private HashSet<string> m_PendingProducts = new HashSet<string>();

    private IEnumerator ConfirmPendingPurchaseAfterDelay(Product p)
    {
        m_PendingProducts.Add(p.definition.id);
        Debug.Log("Delaying confirmation of " + p.definition.id + " for 5 seconds.");
        UpdateHistoryUI();

        yield return new WaitForSeconds(5f);

        Debug.Log("Confirming purchase of " + p.definition.id);
        m_Controller.ConfirmPendingPurchase(p);
        m_PendingProducts.Remove(p.definition.id);
        UpdateHistoryUI();
    }
#endif

    /// <summary>
    /// This will be called is an attempted purchase fails.
    /// </summary>
    public void OnPurchaseFailed(Product item, PurchaseFailureReason r)
    {
        Debug.Log("Purchase failed: " + item.definition.id);
        Debug.Log(r);

        if (m_IsUnityChannelSelected)
        {
            var extra = m_UnityChannelExtensions.GetLastPurchaseError();
            var purchaseError = JsonUtility.FromJson<UnityChannelPurchaseError>(extra);

            if (purchaseError != null && purchaseError.purchaseInfo != null)
            {
                // Additional information about purchase failure.
                var purchaseInfo = purchaseError.purchaseInfo;
                Debug.LogFormat("UnityChannel purchaseInfo: productCode = {0}, gameOrderId = {1}, orderQueryToken = {2}",
                    purchaseInfo.productCode, purchaseInfo.gameOrderId, purchaseInfo.orderQueryToken);
            }

            // Determine if the user already owns this item and that it can be added to
            // their inventory, if not already present.
#if UNITY_5_6_OR_NEWER 
            if (r == PurchaseFailureReason.DuplicateTransaction) 
            {
                // Unlock `item` in inventory if not already present.
                Debug.Log("Duplicate transaction detected, unlock this item");
            }
#else // Building using Unity strictly less than 5.6; e.g 5.3-5.5.
            // In Unity 5.3 the enum PurchaseFailureReason.DuplicateTransaction 
            // may not be available (is available in 5.6 ... specifically 
            // 5.5.1p1+, 5.4.4p2+) and can be substituted with this call. 
            if (r == PurchaseFailureReason.Unknown)
            {
                if (purchaseError != null && purchaseError.error != null && purchaseError.error.Equals("DuplicateTransaction"))
                {
                    // Unlock `item` in inventory if not already present.
                    Debug.Log("Duplicate transaction detected, unlock this item");
                }
            }
#endif
        }

        m_PurchaseInProgress = false;
    }

    public void OnInitializeFailed(InitializationFailureReason error)
    {
        Debug.Log("Billing failed to initialize!");
        switch (error)
        {
            case InitializationFailureReason.AppNotKnown:
                Debug.LogError("Is your App correctly uploaded on the relevant publisher console?");
                break;
            case InitializationFailureReason.PurchasingUnavailable:
                // Ask the user if billing is disabled in device settings.
                Debug.Log("Billing disabled!");
                break;
            case InitializationFailureReason.NoProductsAvailable:
                // Developer configuration error; check product metadata.
                Debug.Log("No products available for purchase!");
                break;
        }
    }

    [Serializable]
    public class UnityChannelPurchaseError
    {
        public string error;
        public UnityChannelPurchaseInfo purchaseInfo;
    }

    [Serializable]
    public class UnityChannelPurchaseInfo
    {
        public string productCode; // Corresponds to storeSpecificId
        public string gameOrderId; // Corresponds to transactionId
        public string orderQueryToken;
    }

    public void Awake()
    {
        var module = StandardPurchasingModule.Instance();

        // The FakeStore supports: no-ui (always succeeding), basic ui (purchase pass/fail), and
        // developer ui (initialization, purchase, failure code setting). These correspond to
        // the FakeStoreUIMode Enum values passed into StandardPurchasingModule.useFakeStoreUIMode.
        module.useFakeStoreUIMode = FakeStoreUIMode.StandardUser;

        var builder = ConfigurationBuilder.Instance(module);

        // This enables the Microsoft IAP simulator for local testing.
        // You would remove this before building your release package.
        builder.Configure<IMicrosoftConfiguration>().useMockBillingSystem = true;
        m_IsGooglePlayStoreSelected = Application.platform == RuntimePlatform.Android && module.appStore == AppStore.GooglePlay;

        // CloudMoolah Configuration setings
        // All games must set the configuration. the configuration need to apply on the CloudMoolah Portal.
        // CloudMoolah APP Key
        builder.Configure<IMoolahConfiguration>().appKey = "d93f4564c41d463ed3d3cd207594ee1b";
        // CloudMoolah Hash Key
        builder.Configure<IMoolahConfiguration>().hashKey = "cc";
        // This enables the CloudMoolah test mode for local testing.
        // You would remove this, or set to CloudMoolahMode.Production, before building your release package.
        builder.Configure<IMoolahConfiguration>().SetMode(CloudMoolahMode.AlwaysSucceed);
        // This records whether we are using Cloud Moolah IAP.
        // Cloud Moolah requires logging in to access your Digital Wallet, so:
        // A) IAPDemo (this) displays the Cloud Moolah GUI button for Cloud Moolah
        m_IsCloudMoolahStoreSelected = Application.platform == RuntimePlatform.Android && module.appStore == AppStore.CloudMoolah;

        // UnityChannel, provides access to Xiaomi MiPay.
	    // Products are required to be set in the IAP Catalog window.  The file "MiProductCatalog.prop"
        // is required to be generated into the project's
        // Assets/Plugins/Android/assets folder, based off the contents of the
        // IAP Catalog window, for MiPay.
        m_IsUnityChannelSelected = Application.platform == RuntimePlatform.Android && module.appStore == AppStore.XiaomiMiPay;
        // UnityChannel supports receipt validation through a backend fetch.
        builder.Configure<IUnityChannelConfiguration>().fetchReceiptPayloadOnPurchase = m_FetchReceiptPayloadOnPurchase;

	    // Define our products.
	    // Either use the Unity IAP Catalog, or manually use the ConfigurationBuilder.AddProduct API.
        // Use IDs from both the Unity IAP Catalog and hardcoded IDs via the ConfigurationBuilder.AddProduct API.

        // Use the products defined in the IAP Catalog GUI.
        // E.g. Menu: "Window" > "Unity IAP" > "IAP Catalog", then add products, then click "App Store Export".
        var catalog = ProductCatalog.LoadDefaultCatalog();

        foreach (var product in catalog.allProducts) {
            if (product.allStoreIDs.Count > 0) {
                var ids = new IDs();
                foreach (var storeID in product.allStoreIDs) {
                    ids.Add(storeID.id, storeID.store);
                }
                builder.AddProduct(product.id, product.type, ids);
            } else {
                builder.AddProduct(product.id, product.type);
            }
        }

		// In this case our products have the same identifier across all the App stores,
        // except on the Mac App store where product IDs cannot be reused across both Mac and
        // iOS stores.
        // So on the Mac App store our products have different identifiers,
        // and we tell Unity IAP this by using the IDs class.
        builder.AddProduct("100.gold.coins", ProductType.Consumable, new IDs
        {
            {"100.gold.coins.mac", MacAppStore.Name},
            {"000000596586", TizenStore.Name},
            {"com.ff", MoolahAppStore.Name},
        }
#if USE_PAYOUTS
        , new PayoutDefinition(PayoutType.Currency, "gold", 100)
#endif //USE_PAYOUTS
        );

        builder.AddProduct("500.gold.coins", ProductType.Consumable, new IDs
        {
            {"500.gold.coins.mac", MacAppStore.Name},
            {"000000596581", TizenStore.Name},
            {"com.ee", MoolahAppStore.Name},
        }
#if USE_PAYOUTS
        , new PayoutDefinition(PayoutType.Currency, "gold", 500)
#endif //USE_PAYOUTS
        );

        builder.AddProduct("sword", ProductType.NonConsumable, new IDs
        {
            {"sword.mac", MacAppStore.Name},
            {"000000596583", TizenStore.Name},
        }
#if USE_PAYOUTS
        , new List<PayoutDefinition> {
            new PayoutDefinition(PayoutType.Item, "", 1, "item_id:76543"),
            new PayoutDefinition(PayoutType.Currency, "gold", 50)
        }
#endif //USE_PAYOUTS
        );

        builder.AddProduct("subscription", ProductType.Subscription, new IDs
        {
            {"subscription.mac", MacAppStore.Name}
        });

        // Write Amazon's JSON description of our products to storage when using Amazon's local sandbox.
        // This should be removed from a production build.
        builder.Configure<IAmazonConfiguration>().WriteSandboxJSON(builder.products);

        // This enables simulated purchase success for Samsung IAP.
        // You would remove this, or set to SamsungAppsMode.Production, before building your release package.
        builder.Configure<ISamsungAppsConfiguration>().SetMode(SamsungAppsMode.AlwaysSucceed);
        // This records whether we are using Samsung IAP. Currently ISamsungAppsExtensions.RestoreTransactions
        // displays a blocking Android Activity, so:
        // A) Unity IAP does not automatically restore purchases on Samsung Galaxy Apps
        // B) IAPDemo (this) displays the "Restore" GUI button for Samsung Galaxy Apps
        m_IsSamsungAppsStoreSelected = Application.platform == RuntimePlatform.Android && module.appStore == AppStore.SamsungApps;


        // This selects the GroupId that was created in the Tizen Store for this set of products
        // An empty or non-matching GroupId here will result in no products available for purchase
        builder.Configure<ITizenStoreConfiguration>().SetGroupId("100000085616");


        #if RECEIPT_VALIDATION
        string appIdentifier;
        #if UNITY_5_6_OR_NEWER
        appIdentifier = Application.identifier;
        #else
        appIdentifier = Application.bundleIdentifier;
        #endif
        validator = new CrossPlatformValidator(GooglePlayTangle.Data(), AppleTangle.Data(),
            UnityChannelTangle.Data(), appIdentifier);
        #endif

        Action initializeUnityIap = () =>
        {
            // Now we're ready to initialize Unity IAP.
            UnityPurchasing.Initialize(this, builder);
        };

        bool needExternalLogin = m_IsUnityChannelSelected;

        if (!needExternalLogin)
        {
            initializeUnityIap();
        }
        else
        {
            // Call UnityChannel initialize and (later) login asynchronously

	        // UnityChannel configuration settings. Required for Xiaomi MiPay.
	        // Collect this app configuration from the Unity Developer website at
	        // [2017-04-17 PENDING - Contact support representative]
	        // https://developer.cloud.unity3d.com/ providing your Xiaomi MiPay App
	        // ID, App Key, and App Secret. This permits Unity to proxy from the
	        // user's device into the MiPay system.
	        // IMPORTANT PRE-BUILD STEP: For mandatory Chinese Government app auditing
	        // and for MiPay testing, enable debug mode (test mode)
	        // using the `AppInfo.debug = true;` when initializing Unity Channel.

            AppInfo unityChannelAppInfo = new AppInfo();
            unityChannelAppInfo.appId     = "abc123appId";
            unityChannelAppInfo.appKey    = "efg456appKey";
            unityChannelAppInfo.clientId  = "hij789clientId";
            unityChannelAppInfo.clientKey = "klm012clientKey";
            unityChannelAppInfo.debug = false;

            // Shared handler for Unity Channel initialization, here, and login, later
            unityChannelLoginHandler = new UnityChannelLoginHandler();
            unityChannelLoginHandler.initializeFailedAction = (string message) =>
            {
                Debug.LogError("Failed to initialize and login to UnityChannel: " + message);
            };
            unityChannelLoginHandler.initializeSucceededAction = () =>
            {
                initializeUnityIap();
            };

            StoreService.Initialize(unityChannelAppInfo, unityChannelLoginHandler);
        }
    }

    // For handling initialization and login of UnityChannel, returning control to our store after.
    class UnityChannelLoginHandler : ILoginListener
    {
        internal Action initializeSucceededAction;
        internal Action<string> initializeFailedAction;
        internal Action<UserInfo> loginSucceededAction;
        internal Action<string> loginFailedAction;

        public void OnInitialized()
        {
            initializeSucceededAction();
        }

        public void OnInitializeFailed(string message)
        {
            initializeFailedAction(message);
        }

        public void OnLogin(UserInfo userInfo)
        {
            loginSucceededAction(userInfo);
        }

        public void OnLoginFailed(string message)
        {
            loginFailedAction(message);
        }
    }

    /// <summary>
    /// This will be called after a call to IAppleExtensions.RestoreTransactions().
    /// </summary>
    private void OnTransactionsRestored(bool success)
    {
        Debug.Log("Transactions restored.");
    }

    /// <summary>
    /// iOS Specific.
    /// This is called as part of Apple's 'Ask to buy' functionality,
    /// when a purchase is requested by a minor and referred to a parent
    /// for approval.
    ///
    /// When the purchase is approved or rejected, the normal purchase events
    /// will fire.
    /// </summary>
    /// <param name="item">Item.</param>
    private void OnDeferred(Product item)
    {
        Debug.Log("Purchase deferred: " + item.definition.id);
    }

    private void InitUI(IEnumerable<Product> items)
    {
        // Disable the UI while IAP is initializing
        // See also UpdateInteractable()
        m_InteractableSelectable = GetDropdown(); // References any one of the disabled components

        // Show Restore button on supported platforms
        if (! (NeedRestoreButton()) )
        {
            GetRestoreButton().gameObject.SetActive(false);
        }

        // Show Register, Login, and Validate buttons on supported platform
        GetRegisterButton().gameObject.SetActive(NeedRegisterButton());
        GetLoginButton().gameObject.SetActive(NeedLoginButton());
        GetValidateButton().gameObject.SetActive(NeedValidateButton());

        foreach (var item in items)
        {
            // Add initial pre-IAP-initialization content. Update later in OnInitialized.
            var description = string.Format("{0} - {1}", item.definition.id, item.definition.type);

            GetDropdown().options.Add(new Dropdown.OptionData(description));
        }

        // Ensure I render the selected list element
        GetDropdown().RefreshShownValue();

        GetDropdown().onValueChanged.AddListener((int selectedItem) => {
            Debug.Log("OnClickDropdown item " + selectedItem);
            m_SelectedItemIndex = selectedItem;
        });

        // Initialize my button event handling
        GetBuyButton().onClick.AddListener(() => {
            if (m_PurchaseInProgress == true) {
                Debug.Log("Please wait, purchasing ...");
                return;
            }

            // For platforms needing Login, games utilizing a connected backend
            // game server may wish to login.
            // Standalone games may not need to login.
            if (NeedLoginButton() && m_IsLoggedIn == false)
            {
                Debug.LogWarning("Purchase notifications will not be forwarded server-to-server. Login incomplete.");
            }

            // Don't need to draw our UI whilst a purchase is in progress.
            // This is not a requirement for IAP Applications but makes the demo
            // scene tidier whilst the fake purchase dialog is showing.
            m_PurchaseInProgress = true;
            m_Controller.InitiatePurchase(m_Controller.products.all[m_SelectedItemIndex], "aDemoDeveloperPayload");
        });

        if (GetRestoreButton() != null)
        {
            GetRestoreButton().onClick.AddListener(() => {
                if (m_IsCloudMoolahStoreSelected)
                {
                    if (m_IsLoggedIn == false)
                    {
                        Debug.LogError("CloudMoolah purchase restoration aborted. Login incomplete.");
                    }
                    else
                    {
                        // Restore abnornal transaction identifer, if Client don't receive transaction identifer.
                        m_MoolahExtensions.RestoreTransactionID((RestoreTransactionIDState restoreTransactionIDState) => {
                            Debug.Log("restoreTransactionIDState = " + restoreTransactionIDState.ToString());
                            bool success =
                                restoreTransactionIDState != RestoreTransactionIDState.RestoreFailed &&
                                restoreTransactionIDState != RestoreTransactionIDState.NotKnown;
                            OnTransactionsRestored(success);
                        });
                    }
                }
                else if (m_IsSamsungAppsStoreSelected)
                {
                    m_SamsungExtensions.RestoreTransactions(OnTransactionsRestored);
                }
                else if (Application.platform == RuntimePlatform.WSAPlayerX86 ||
                         Application.platform == RuntimePlatform.WSAPlayerX64 ||
                         Application.platform == RuntimePlatform.WSAPlayerARM)
                {
                    m_MicrosoftExtensions.RestoreTransactions();
                }
                else
                {
                    m_AppleExtensions.RestoreTransactions(OnTransactionsRestored);
                }
            });
        }

        if (GetLoginButton() != null)
        {
            if (m_IsUnityChannelSelected)
            {
                GetLoginButton().onClick.AddListener(() =>
                {
                    unityChannelLoginHandler.loginSucceededAction = (UserInfo userInfo) =>
                    {
                        m_IsLoggedIn = true;
                        Debug.LogFormat("Succeeded logging into UnityChannel. channel {0}, userId {1}, userLoginToken {2} ",
                            userInfo.channel, userInfo.userId, userInfo.userLoginToken);
                    };
                    unityChannelLoginHandler.loginFailedAction = (string message) =>
                    {
                        m_IsLoggedIn = false;
                        Debug.LogError("Failed logging into UnityChannel. " + message);
                    };

                    StoreService.Login(unityChannelLoginHandler);
                });
            }
        }

        // For local validation, see ProcessPurchase.
        if (GetValidateButton() != null)
        {
            if (m_IsUnityChannelSelected)
            {
                GetValidateButton()
                    .onClick.AddListener(() =>
                    {
                        string txId = m_LastTransationID;
                        m_UnityChannelExtensions.ValidateReceipt(txId, (bool success, string signData, string signature) =>
                        {
                            Debug.LogFormat("ValidateReceipt transactionId {0}, success {1}, signData {2}, signature {3}",
                                txId, success, signData, signature);

                            // May use signData and signature results to validate server-to-server
                        });
                    });
            }
        }
    }

    public void UpdateHistoryUI()
    {
        if (m_Controller == null)
        {
            return;
        }

        var itemText = "Item\n\n";
        var countText = "Purchased\n\n";

        foreach (var item in m_Controller.products.all) {
            // Collect history status report
            itemText += "\n\n" + item.definition.id;
            countText += "\n\n";
#if DELAY_CONFIRMATION
            if (m_PendingProducts.Contains(item.definition.id))
                countText += "(Pending) ";
#endif
            countText += item.hasReceipt.ToString();
        }

        // Show history
        GetText(false).text = itemText;
        GetText(true).text = countText;
    }

    protected void UpdateInteractable()
    {
        if (m_InteractableSelectable == null)
        {
            return;
        }

        bool interactable = m_Controller != null;
        if (interactable != m_InteractableSelectable.interactable)
        {
            if (GetRestoreButton() != null)
            {
                GetRestoreButton().interactable = interactable;
            }
            GetBuyButton().interactable = interactable;
            GetDropdown().interactable = interactable;
            GetRegisterButton().interactable = interactable;
            GetLoginButton().interactable = interactable;
        }
    }

    public void Update()
    {
        UpdateInteractable();
    }

    private bool NeedRestoreButton()
    {
        return Application.platform == RuntimePlatform.IPhonePlayer ||
            Application.platform == RuntimePlatform.OSXPlayer ||
            Application.platform == RuntimePlatform.tvOS ||
            Application.platform == RuntimePlatform.WSAPlayerX86 ||
            Application.platform == RuntimePlatform.WSAPlayerX64 ||
            Application.platform == RuntimePlatform.WSAPlayerARM ||
            m_IsSamsungAppsStoreSelected ||
            m_IsCloudMoolahStoreSelected;
    }

    private bool NeedRegisterButton()
    {
        // Deprecated
        return false;
    }

    private bool NeedLoginButton()
    {
        return m_IsUnityChannelSelected;
    }

    private bool NeedValidateButton()
    {
        return m_IsUnityChannelSelected;
    }

    private Text GetText(bool right)
    {
        var which = right ? "TextR" : "TextL";
        return GameObject.Find(which).GetComponent<Text>();
    }

    private Dropdown GetDropdown()
    {
        return GameObject.Find("Dropdown").GetComponent<Dropdown>();
    }

    private Button GetBuyButton()
    {
        return GameObject.Find("Buy").GetComponent<Button>();
    }

    /// <summary>
    /// Gets the restore button when available
    /// </summary>
    /// <returns><c>null</c> or the restore button.</returns>
    private Button GetRestoreButton()
    {
        return GetButton ("Restore");
    }

    private Button GetRegisterButton()
    {
        return GetButton ("Register");
    }

    private Button GetLoginButton()
    {
        return GetButton ("Login");
    }

    private Button GetValidateButton()
    {
        return GetButton ("Validate");
    }

    private  Button GetButton(string buttonName)
    {
        GameObject obj = GameObject.Find(buttonName);
        if (obj != null)
        {
            return obj.GetComponent <Button>();
        }
        else
        {
            return null;
        }
    }

    private void LogProductDefinitions()
    {
        var products = m_Controller.products.all;
        foreach (var product in products) {
#if UNITY_5_6_OR_NEWER
            Debug.Log(string.Format("id: {0}\nstore-specific id: {1}\ntype: {2}\nenabled: {3}\n", product.definition.id, product.definition.storeSpecificId, product.definition.type.ToString(), product.definition.enabled ? "enabled" : "disabled"));
#else
            Debug.Log(string.Format("id: {0}\nstore-specific id: {1}\ntype: {2}\n", product.definition.id, product.definition.storeSpecificId, product.definition.type.ToString()));
#endif
        }
    }
}