using Microsoft.Azure.CognitiveServices.Vision.ComputerVision;

using Microsoft.Azure.CognitiveServices.Vision.ComputerVision.Models;

​

using System;

using System.Collections.Generic;

using System.IO;

using System.Threading.Tasks;

public class Program

{

    private const string subscriptionKey = "5c0d27045e84491cb4c761c4c61a05a4";

    private const string localImagePath = @"<LocalImage>";

    private const string remoteImageUrl = "https://www.superama.com.mx/Content/images/products/img_large/0000007505390L.jpg";

​

    private static readonly List<VisualFeatureTypes> features = new List<VisualFeatureTypes>()

    {

        VisualFeatureTypes.Brands,

        VisualFeatureTypes.Categories,      

        VisualFeatureTypes.Description,     

        VisualFeatureTypes.Objects,

        VisualFeatureTypes.Tags

    };

    public static void Main()

    {

        ComputerVisionClient computerVision = new ComputerVisionClient(new ApiKeyServiceClientCredentials(subscriptionKey), new System.Net.Http.DelegatingHandler[] { });       

        computerVision.Endpoint = "https://southcentralus.api.cognitive.microsoft.com/";

        var t1 = AnalyzeRemoteAsync(computerVision, remoteImageUrl).Result;

        //var t2 = AnalyzeLocalAsync(computerVision, localImagePath).Result;            

        Console.WriteLine(t1);

    }

    private static async Task<string> AnalyzeRemoteAsync(ComputerVisionClient computerVision, string imageUrl)

    {

        var result = string.Empty;

        if (!Uri.IsWellFormedUriString(imageUrl, UriKind.Absolute))

        {

            result = "Invalid remoteImageUrl: " + imageUrl;

        }

        else {

            ImageAnalysis analysis = await computerVision.AnalyzeImageAsync(imageUrl, features).ConfigureAwait(false);

            result = DisplayResults(analysis);

        }   

        return result;

    }

​

    private static async Task<string> AnalyzeLocalAsync(ComputerVisionClient computerVision, string imagePath)

    {

        var result = string.Empty;

        if (!File.Exists(imagePath))

        {

            result = "Unable to open or read localImagePath: " + imagePath;

        }

        else {

            using (Stream imageStream = File.OpenRead(imagePath))

            {

                ImageAnalysis analysis = await computerVision.AnalyzeImageInStreamAsync(imageStream, features).ConfigureAwait(false);

                result = DisplayResults(analysis);

            }

        }       

        return result;

    }

    private static string DisplayResults(ImageAnalysis analysis)

    {

        var result = string.Empty;

        if (analysis.Description.Captions.Count != 0)

        {

            result += "\nDescription";

            foreach(var c in analysis.Description.Captions) {

                result += "\n" + c.Text;

            }

            result += "\n\nBrands";

            foreach(var c in analysis.Brands) {

                result += "\n" + c.Name;

            }

            result += "\n\nCategories";

            foreach(var c in analysis.Categories){

                result += "\n" + c.Name;

            }

            result += "\n\nObjects";

            foreach(var c in analysis.Objects){

                result += "\n" + c.ObjectProperty;

            }

            result += "\n\nTags";

            foreach(var c in analysis.Tags){

                result += "\n" + c.Name;

            }

        }

        else

        {

            result = "No description generated.";

        }

        return result;

    }

}