-- Shared family wishlist: recipes someone wants to cook next.
-- Each recipe appears at most once; anyone can add/remove and like/unlike.

CREATE TABLE IF NOT EXISTS wishlist (
  recipe_id INTEGER PRIMARY KEY REFERENCES recipe(id) ON DELETE CASCADE,
  added_by_profile_id INTEGER REFERENCES profile(id) ON DELETE SET NULL,
  added_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE INDEX IF NOT EXISTS ix_wishlist_added_at ON wishlist(added_at DESC);

CREATE TABLE IF NOT EXISTS wishlist_like (
  recipe_id INTEGER NOT NULL REFERENCES recipe(id) ON DELETE CASCADE,
  profile_id INTEGER NOT NULL REFERENCES profile(id) ON DELETE CASCADE,
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (recipe_id, profile_id)
);

CREATE INDEX IF NOT EXISTS ix_wishlist_like_recipe ON wishlist_like(recipe_id);