// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using Google.Api.Ads.AdManager.Lib;
using Google.Api.Ads.AdManager.Util.v202111;
using Google.Api.Ads.AdManager.v202111;

using System;

namespace Google.Api.Ads.AdManager.Examples.CSharp.v202111
{
    /// <summary>
    /// This code example updates a label's description. To determine which labels
    /// exist, run GetAllLabels.cs. This feature is only available to Ad Manager 360
    /// networks.
    /// </summary>
    public class UpdateLabels : SampleBase
    {
        /// <summary>
        /// Returns a description about the code example.
        /// </summary>
        public override string Description
        {
            get
            {
                return "This code example updates a label's description. To determine which " +
                    "labels exist, run GetAllLabels.cs. This feature is only available to " +
                    "Ad Manager 360 networks.";
            }
        }

        /// <summary>
        /// Main method, to run this code example as a standalone application.
        /// </summary>
        public static void Main()
        {
            UpdateLabels codeExample = new UpdateLabels();
            Console.WriteLine(codeExample.Description);
            codeExample.Run(new AdManagerUser());
        }

        /// <summary>
        /// Run the code example.
        /// </summary>
        public void Run(AdManagerUser user)
        {
            using (LabelService labelService = user.GetService<LabelService>())
            {
                // Set the ID of the label to deactivate.
                int labelId = int.Parse(_T("INSERT_LABEL_ID_HERE"));

                // Create a statement to select the label.
                StatementBuilder statementBuilder = new StatementBuilder()
                    .Where("id = :id")
                    .OrderBy("id ASC")
                    .Limit(1)
                    .AddValue("id", labelId);

                try
                {
                    // Get the labels by statement.
                    LabelPage page =
                        labelService.getLabelsByStatement(statementBuilder.ToStatement());

                    Label label = page.results[0];

                    // Update the label description.
                    label.description = "New label description.";

                    // Update the label on the server.
                    Label[] labels = labelService.updateLabels(new Label[]
                    {
                        label
                    });

                    foreach (Label updatedLabel in labels)
                    {
                        Console.WriteLine("A label with ID '{0}' and name '{1}' was updated.",
                            updatedLabel.id, updatedLabel.name);
                    }
                }
                catch (Exception e)
                {
                    Console.WriteLine("Failed to update labels. Exception says \"{0}\"", e.Message);
                }
            }
        }
    }
}
