Both. Direct for color for the first few minutes, then indirect for 30 to 40 minutes.
Great ideas.Brine for an hour, then rinse and pat dry. That makes a major improvement in wings (and other chicken).
Indirect, with a chimney full of charcoal behind firebricks. At the end, I knock over the bricks, spread the coals some, and go direct for just a couple minutes per side to crisp up as needed.