LSH: A 12-year-old girl was brought into the emergency room…

LSH: A 12-year-old girl was brought into the emergency room because of her parent’s concern of unexplained weight loss, frequent urination & excessive thirst. The patient also was breathing rapid and deep with a fruity odor on her breath. After checking her blood glucose levels it was shown that she was above 300mg/dL and urine test showed ketones and glucose. What is the most likely diagnosis?