<?php
declare(strict_types=1);

return [
    'up' => "
ALTER TABLE purchase_order_items ADD COLUMN expected_delivery_date DATE NULL AFTER quantity;
ALTER TABLE purchase_order_items ADD COLUMN actual_delivery_date DATE NULL AFTER expected_delivery_date;
ALTER TABLE purchase_order_items ADD COLUMN qty_received DECIMAL(12,3) NOT NULL DEFAULT 0.000 AFTER actual_delivery_date;
ALTER TABLE purchase_order_items ADD COLUMN delivery_status ENUM('pending','partial','complete','overdue') NOT NULL DEFAULT 'pending' AFTER qty_received",
    'down' => "
ALTER TABLE purchase_order_items DROP COLUMN delivery_status;
ALTER TABLE purchase_order_items DROP COLUMN qty_received;
ALTER TABLE purchase_order_items DROP COLUMN actual_delivery_date;
ALTER TABLE purchase_order_items DROP COLUMN expected_delivery_date",
];
