smoked sausage recipe

1 pound smoked sausage, sliced into 1/2-inch pieces - 2 tablespoons olive oil - 1 large onion, chopped - 2 cloves garlic, minced - 2 bell peppers (any color), sliced - 2 medium zucchinis, sliced - 1 can (14.5 ounces) diced tomatoes, undrained - 1 teaspoon dried oregano - 1 teaspoon dried basil - 1/2 teaspoon smoked paprika - Salt and pepper to taste - Fresh parsley, chopped (for garnish)