// **** Shared example utility functions ****

// This is typically NOT how you handle success
// You will want to receive a specific result-type for your API, and utilize the result parameters
void LogSuccess(PlayFabResultCommon result) {
    var requestName = result.Request.GetType().Name;
    Debug.Log(requestName + " successful");
}

// Error handling can be very advanced, such as retry mechanisms, logging, or other options
// The simplest possible choice is just to log it
void LogFailure(PlayFabError error) {
    Debug.LogError(error.GenerateErrorReport());
}

void MakePurchase() {
    PlayFabClientAPI.PurchaseItem(new PurchaseItemRequest {
        // In your game, this should just be a constant matching your primary catalog
        CatalogVersion = "CharacterClasses",
        ItemId = "MediumHealthPotion",
        Price = 5,
        VirtualCurrency = "AU"
    }, LogSuccess, LogFailure);
}

void GetInventory() {
    PlayFabClientAPI.GetUserInventory(new GetUserInventoryRequest(), LogSuccess, LogFailure);
}

void ConsumePotion() {
    PlayFabClientAPI.ConsumeItem(new ConsumeItemRequest {
        ConsumeCount = 1,
        // This is a hex-string value from the GetUserInventory result
        ItemInstanceId = "potionInstanceId"
    }, LogSuccess, LogFailure);
}

void GrantItem() {
    PlayFabServerAPI.GrantItemsToUser(new GrantItemsToUserRequest {
        // In your game, this should just be a constant
        CatalogVersion = "CharacterClasses",
        // Servers must define which character they're modifying in every API call
        PlayFabId = "playFabId",
        ItemIds = new List<string> { "CrystalContainer" }
    }, LogSuccess, LogFailure);
}

void OpenContainer() {
    PlayFabClientAPI.UnlockContainerInstance(new UnlockContainerInstanceRequest {
        // In your game, this should just be a constant matching your primary catalog
        CatalogVersion = "CharacterClasses",
        ContainerItemInstanceId = "containerInstanceId",
        KeyItemInstanceId = "keyInstanceId"
    }, LogSuccess, LogFailure);
}

var SELL_PRICE_RATIO = 0.75;
function SellItem_internal(soldItemInstanceId, requestedVcType) {
    var inventory = server.GetUserInventory({ PlayFabId: currentPlayerId });
    var itemInstance = null;
    for (var i = 0; i < inventory.Inventory.length; i++) {
        if (inventory.Inventory[i].ItemInstanceId === soldItemInstanceId)
            itemInstance = inventory.Inventory[i];
    }
    if (!itemInstance)
        throw "Item instance not found"; // Protection against client providing incorrect data
    var catalog = server.GetCatalogItems({ CatalogVersion: itemInstance.CatalogVersion });
    var catalogItem = null;
    for (var c = 0; c < catalog.Catalog.length; c++) {
        if (itemInstance.ItemId === catalog.Catalog[c].ItemId)
            catalogItem = catalog.Catalog[c];
    }
    if (!catalogItem)
        throw "Catalog Item not found"; // Title catalog consistency check (You should never remove a catalog/catalogItem if any player owns that item
    var buyPrice = 0;
    if (catalogItem.VirtualCurrencyPrices.hasOwnProperty(requestedVcType))
        buyPrice = catalogItem.VirtualCurrencyPrices[requestedVcType];
    if (buyPrice <= 0)
        throw "Cannot redeem this item for: " + requestedVcType; // The client requested a virtual currency which doesn't apply to this item
    // Once we get here all safety checks are passed - Perform the sell
    var sellPrice = Math.floor(buyPrice * SELL_PRICE_RATIO);
    server.AddUserVirtualCurrency({ PlayFabId: currentPlayerId, Amount: sellPrice, VirtualCurrency: requestedVcType });
    server.RevokeInventoryItem({ PlayFabId: currentPlayerId, ItemInstanceId: soldItemInstanceId });
}

handlers.SellItem = function (args) {
    if (!args || !args.soldItemInstanceId || !args.requestedVcType)
        throw "Invalid input parameters, expected soldItemInstanceId and requestedVcType";
    SellItem_internal(args.soldItemInstanceId, args.requestedVcType);
};

void SellItem()
{
    PlayFabClientAPI.ExecuteCloudScript(new ExecuteCloudScriptRequest
    {
        // This must match "SellItem" from the "handlers.SellItem = ..." line in the CloudScript file
        FunctionName = "SellItem",
        FunctionParameter = new Dictionary<string, string>{
            // This is a hex-string value from the GetUserInventory result
            { "soldItemInstanceId", "sellItemInstanceId" },
            // Which redeemable virtual currency should be used in your game
            { "requestedVcType", "AU" },
        }
    }, LogSuccess, LogFailure);
}