tom riddle was cursed by dumbeldore to be voldemort but Voldemort/tom is really the king of the magical england

Hi I am looking for a Harry Potter story where Harry ends up in the time of Tom Riddle's sixth year jus before Tom opens the chamber of secrets in one part of the story Dumbledore poison's Armando Dippet Armando is the heir of hufflepuff and he makes Harry his heir also Dumbledore attacks st Mungos Harry and the other founders heirs fight him. Does this sound familer