-- v4.18 Rached workshop fields
-- Extends service orders and items to match the Rached legacy workshop flow.
-- Applied to all tenants.

-- ═════════════════════════════════════════════════════════════════════════════
-- 1. SERVICE_ORDERS: capture free-text customer/vehicle/workshop data
-- ═════════════════════════════════════════════════════════════════════════════
ALTER TABLE service_orders
    ADD COLUMN IF NOT EXISTS workshop_name VARCHAR(200),
    ADD COLUMN IF NOT EXISTS customer_address TEXT,
    ADD COLUMN IF NOT EXISTS customer_phone VARCHAR(50),
    ADD COLUMN IF NOT EXISTS vehicle_description VARCHAR(300);

COMMENT ON COLUMN service_orders.workshop_name IS 'Free-text workshop/customer alias (Rached "Taller")';
COMMENT ON COLUMN service_orders.customer_address IS 'Address captured or imported for the service order';
COMMENT ON COLUMN service_orders.customer_phone IS 'Phone captured or imported for the service order';
COMMENT ON COLUMN service_orders.vehicle_description IS 'Free-text vehicle description (alternative to fleet_vehicles)';

CREATE INDEX IF NOT EXISTS idx_service_orders_workshop_name ON service_orders(workshop_name);
CREATE INDEX IF NOT EXISTS idx_service_orders_vehicle_description ON service_orders(vehicle_description);

-- ═════════════════════════════════════════════════════════════════════════════
-- 2. SERVICE_ORDER_ITEMS: mechanic per item + explicit observations
-- ═════════════════════════════════════════════════════════════════════════════
ALTER TABLE service_order_items
    ADD COLUMN IF NOT EXISTS mechanic_id INTEGER REFERENCES employees(id),
    ADD COLUMN IF NOT EXISTS observations TEXT;

COMMENT ON COLUMN service_order_items.mechanic_id IS 'Mechanic assigned to this specific line item';
COMMENT ON COLUMN service_order_items.observations IS 'Line-item observations (Rached detail notes)';

CREATE INDEX IF NOT EXISTS idx_service_order_items_mechanic_id ON service_order_items(mechanic_id);