Cook onion in the chili oil, add ginger, and garlic and cook. Then add the ketchup, remaining wine, soy sauce, sesame oil, vinegar, and pepper flakes. Stir fry for 7 minutes. Then mix water and cornstarch add to sauce after it boils. Let this thicken stirring constantly. Then add all the cooked chicken. Stir coating each piece. Now add the broccoli and green onion let simmer for 5 minutes serve.