internal static string GetCombinedPropertyName()

in src/AutoRest.CSharp/Common/Output/Models/Types/FlattenedObjectTypeProperty.cs [139:192]
45 lines of code
18 McCabe index (conditional complexity)

        internal static string GetCombinedPropertyName(ObjectTypeProperty innerProperty, ObjectTypeProperty immediateParentProperty)
        {
            var immediateParentPropertyName = GetPropertyName(immediateParentProperty.Declaration);

            if (innerProperty.Declaration.Type.Equals(typeof(bool)) || innerProperty.Declaration.Type.Equals(typeof(bool?)))
            {
                return innerProperty.Declaration.Name.Equals("Enabled", StringComparison.Ordinal) ? $"{immediateParentPropertyName}{innerProperty.Declaration.Name}" : innerProperty.Declaration.Name;
            }

            if (innerProperty.Declaration.Name.Equals("Id", StringComparison.Ordinal))
                return $"{immediateParentPropertyName}{innerProperty.Declaration.Name}";

            if (immediateParentPropertyName.EndsWith(innerProperty.Declaration.Name, StringComparison.Ordinal))
                return immediateParentPropertyName;

            var parentWords = immediateParentPropertyName.SplitByCamelCase();
            if (immediateParentPropertyName.EndsWith("Profile", StringComparison.Ordinal) ||
                immediateParentPropertyName.EndsWith("Policy", StringComparison.Ordinal) ||
                immediateParentPropertyName.EndsWith("Configuration", StringComparison.Ordinal) ||
                immediateParentPropertyName.EndsWith("Properties", StringComparison.Ordinal) ||
                immediateParentPropertyName.EndsWith("Settings", StringComparison.Ordinal))
            {
                parentWords = parentWords.Take(parentWords.Count() - 1);
            }

            var parentWordArray = parentWords.ToArray();
            var parentWordsHash = new HashSet<string>(parentWordArray);
            var nameWords = innerProperty.Declaration.Name.SplitByCamelCase().ToArray();
            var lastWord = string.Empty;
            for (int i = 0; i < nameWords.Length; i++)
            {
                var word = nameWords[i];
                lastWord = word;
                if (parentWordsHash.Contains(word))
                {
                    if (i == nameWords.Length - 2 && parentWordArray.Length >= 2 && word.Equals(parentWordArray[parentWordArray.Length - 2], StringComparison.Ordinal))
                    {
                        parentWords = parentWords.Take(parentWords.Count() - 2);
                        break;
                    }
                    {
                        return innerProperty.Declaration.Name;
                    }
                }

                //need to depluralize the last word and check
                if (i == nameWords.Length - 1 && parentWordsHash.Contains(lastWord.ToSingular(false)))
                    return innerProperty.Declaration.Name;
            }

            immediateParentPropertyName = string.Join("", parentWords);

            return $"{immediateParentPropertyName}{innerProperty.Declaration.Name}";
        }