Preheat The Oven To 300 Degrees F (150 Degrees C). Bring A Large Pot Of Lightly Salted Water To A Boil. Add Macaroni, And Cook Until Tender, About 8 Minutes. Drain. Heat Olive Oil In A Skillet Over Medium Heat. Add Mushrooms, And Saute Until Tender. Season With Paprika, Chili Powder, And Oregano. Pour In The Wine, And Let Simmer For 5 Minutes. Stir In The Spinach, And Simmer Until Heated Through. Stir The Spinach Mixture Into The Drained Macaroni. Mix In The Tuna. Combine The Condensed Soup And Milk; Stir Into The Mixture Until Evenly Coated. Transfer To A 9X13 Inch Baking Dish. Crumble Toasted Bread Over The Top. Bake For 20 To 25 Minutes In The Preheated Oven, Until The Top Is Crispy And Browned.