-- Drop old pick_lists tables
DROP TABLE IF EXISTS pick_list_items CASCADE;
DROP TABLE IF EXISTS pick_lists CASCADE;

-- Planning history: one row per accepted production plan
CREATE TABLE IF NOT EXISTS planning_history (
  id SERIAL PRIMARY KEY,
  name VARCHAR(255) NOT NULL,
  status VARCHAR(50) DEFAULT 'accepted',
  products_json JSONB,
  summary_json JSONB,
  created_at TIMESTAMP DEFAULT NOW()
);

-- Planning history items: every BOM component for that plan
CREATE TABLE IF NOT EXISTS planning_history_items (
  id SERIAL PRIMARY KEY,
  planning_id INTEGER NOT NULL REFERENCES planning_history(id) ON DELETE CASCADE,
  component_id INTEGER REFERENCES components(id),
  part_number VARCHAR(100),
  component_name VARCHAR(255),
  category_name VARCHAR(255),
  package_type VARCHAR(100),
  shelf_location VARCHAR(100),
  quantity_needed NUMERIC DEFAULT 0,
  stock_at_time NUMERIC DEFAULT 0,
  shortage NUMERIC DEFAULT 0,
  unit_price NUMERIC DEFAULT 0,
  is_internal BOOLEAN DEFAULT false,
  manufacturer VARCHAR(255),
  supplier VARCHAR(255),
  supplier_part_number VARCHAR(255),
  sources_json JSONB,
  created_at TIMESTAMP DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_planning_history_items_planning ON planning_history_items(planning_id);