Improved exception messages

QuestPDF/Drawing/Exceptions/InitializationException.cs

@@ -4,17 +4,33 @@ namespace QuestPDF.Drawing.Exceptions
 {
     public class InitializationException : Exception
     {
-        internal InitializationException(string documentType, Exception innerException) : base(CreateMessage(documentType), innerException)
+        internal InitializationException(string documentType, Exception innerException) : base(CreateMessage(documentType, innerException.Message), innerException)
         {
             
         }
 
-        private static string CreateMessage(string documentType)
+        private static string CreateMessage(string documentType, string innerExceptionMessage)
         {
-            return $"Cannot create the {documentType} document using the SkiaSharp library. " +
-                   $"This exception usually means that, on your operating system where you run the application, SkiaSharp requires installing additional dependencies. " +
-                   $"Such dependencies are available as additional nuget packages, for example SkiaSharp.NativeAssets.Linux. " +
-                   $"Please refer to the SkiaSharp documentation for more details.";
+            var (libraryName, nugetConvention) = GetLibraryName();
+            
+            return $"Cannot create the {documentType} document using the {libraryName} library. " +
+                   $"This exception usually means that, on your operating system where you run the application, {libraryName} requires installing additional dependencies. " +
+                   $"Such dependencies are available as additional nuget packages, for example {nugetConvention}.Linux. " +
+                   $"Some operating systems may require installing multiple nugets, e.g. MacOS may need both {nugetConvention}.macOS and {nugetConvention}.Linux." +
+                   $"Please refer to the {libraryName} documentation for more details. " +
+                   $"Also, please consult the inner exception that has been originally thrown by the dependency library.";
+
+            (string GetLibraryName, string nugetConvention) GetLibraryName()
+            {
+                if (innerExceptionMessage.Contains("libSkiaSharp"))
+                    return ("SkiaSharp", "SkiaSharp.NativeAssets.Linux");
+                
+                if (innerExceptionMessage.Contains("libHarfBuzzSharp"))
+                    return ("HarfBuzzSharp", "HarfBuzzSharp.NativeAssets");
+                
+                // default
+                return ("SkiaSharp-related", "*.NativeAssets.Linux");
+            }
         }
     }
 }