When the oil is hot, add the onion, bell pepper, and mushrooms. Saute until mostly tender, about 5 minutes. Stir in the garlic, paprika, salt and pepper. Saute another 2-3 minutes. Stir in the wine and let cook, scraping and deglazing the pan, for 2-3 minutes or until the wine has cooked off. Then stir in the chickpeas, tomatoes, peas, and couscous, and saute for about 3-4 minutes.