using System;

using System.Collections.Generic;   

public class Program

{

    public static void Main()

    {

        string model = "dasfdsafds brake dadflkfdsk dasfkldfslkfds"; 

        Console.WriteLine(GetPhoto(model)); 

    }

      public static string GetPhoto(string model) 

      {

    //  if (string.IsNullOrEmpty(model)) { throw new ArgumentNullException(nameof(model)); }

        model = model.Trim().ToLower();  

        return GetPhotoUrlByModel(model);   

      }

​

        public static string GetPhotoUrlByModel(string model)

        {

        Dictionary<string, string> modelPhotoUrls = new Dictionary<string, string>()

        {

            // Key: Model From Elvis. Value: Path for Azure Blob with Image 

                {"arteon shooting brake", "arteon/vw-arteon-shooting-break.png"},

                {"arteon", "arteon/vw-arteon-white.png"}, 

                {"caddy cargo", "caddy-cargo/vw-caddy-cargo-white.png"},

                {"crafter cargo", "crafter-cargo/vw-crafter-cargo-white.png"},

                {"caddy", "caddy/vw-caddy-white.png"},

                {"golf estate", "golf/vw-golf-variant.png"},

                {"golf variant", "golf/vw-golf-variant.png"},

                {"golf", "golf/vw-golf-white.png"},

                {"id.3", "id/vw-id-3.png"}, 

                {"id.5", "id/vw-id-5.png"}, 

                {"passat estate", "passat-variant/vw-passat-variant-white.png"}, 

                {"passat variant", "passat-variant/vw-passat-variant-white.png"}, 

                {"passat", "passat-limousine/vw-passat-limousine-white.png"}, 

                {"polo", "polo/vw-polo.png"}, 

                {"taigo", "taigo/vw-taigo.png"}, 

                {"t-cross", "tcross/vw-t-cross.png"}, 

                {"tiguan", "tiguan/vw-tiguan.png"}, 

                {"tiguan allspace", "tiguan/vw-tiguan-allspace.png"}, 

                {"touareg", "touareg/vw-touareg-white.png"}, 

                {"touran", "touran/vw-touran-white.png"}, 

                {"t-roc", "troc/vw-t-roc.png"},

                {"t-roc cabriolet", "troc/vw-t-roc-cabrio.png"},

        };

    foreach(var keyValuePair in modelPhotoUrls)

    {

        if(model.Contains(keyValuePair.Key)) 

        {

            return keyValuePair.Value;

        }

    } 

            return "missing-vehicle/missing-car_thumb.png"; 

    }   

 }