CREATE TABLE IF NOT EXISTS pick_lists (
  id SERIAL PRIMARY KEY,
  name VARCHAR(255) NOT NULL,
  status VARCHAR(50) NOT NULL DEFAULT 'accepted',
  products_json JSONB NOT NULL DEFAULT '[]',
  created_at TIMESTAMP DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS pick_list_items (
  id SERIAL PRIMARY KEY,
  pick_list_id INTEGER NOT NULL REFERENCES pick_lists(id) ON DELETE CASCADE,
  component_id INTEGER NOT NULL REFERENCES components(id),
  part_number VARCHAR(255) NOT NULL,
  component_name VARCHAR(255) NOT NULL,
  category_name VARCHAR(255),
  package_type VARCHAR(100),
  shelf_location VARCHAR(100),
  quantity_needed NUMERIC NOT NULL DEFAULT 0,
  is_internal BOOLEAN NOT NULL DEFAULT false,
  sources_json JSONB NOT NULL DEFAULT '[]',
  created_at TIMESTAMP DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_pick_list_items_pick_list ON pick_list_items(pick_list_id);
CREATE INDEX IF NOT EXISTS idx_pick_lists_created ON pick_lists(created_at DESC);