<?php

/**
 * Order status changed event.
 *
 * @package AfroIT_Messaging_WorkflowAutomations
 */

namespace AfroIT\Messaging\WorkflowAutomations\Events\Order;


use AfroIT\Messaging\WorkflowAutomations\Events\Event;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class OrderStatusChangedEvent
 *
 * Dispatched when an order status changes.
 */
final class OrderStatusChangedEvent implements Event {

	private const NAME = 'order_status_changed';

	/**
	 * @var int
	 */
	private int $order_id;

	/**
	 * @var string
	 */
	private string $old_status;

	/**
	 * @var string
	 */
	private string $new_status;

	/**
	 * @var \DateTimeImmutable
	 */
	private \DateTimeImmutable $occurred_at;

	/**
	 * Constructor.
	 *
	 * @param int         $order_id    WooCommerce order ID.
	 * @param string      $old_status  Previous status.
	 * @param string      $new_status  New status.
	 * @param string|null $occurred_at Original event occurrence timestamp.
	 */
	public function __construct( int $order_id, string $old_status, string $new_status, ?string $occurred_at = null ) {
		$this->order_id   = $order_id;
		$this->old_status = $old_status;
		$this->new_status = $new_status;

		try {
			$this->occurred_at = ! empty( $occurred_at )
				? new \DateTimeImmutable( $occurred_at, wp_timezone() )
				: new \DateTimeImmutable( 'now', wp_timezone() );
		} catch ( \Exception $exception ) {
			$this->occurred_at = new \DateTimeImmutable( 'now', wp_timezone() );
		}
	}

	/**
	 * {@inheritdoc}
	 */
	public function getName(): string {
		return self::NAME;
	}

	/**
	 * {@inheritdoc}
	 */
	public function getPayload(): array {
		return array(
			'order_id'   => $this->order_id,
			'old_status' => $this->old_status,
			'new_status' => $this->new_status,
		);
	}

	/**
	 * {@inheritdoc}
	 */
	public function getOccurredAt(): \DateTimeImmutable {
		return $this->occurred_at;
	}

	/**
	 * Get order ID.
	 *
	 * @return int
	 */
	public function getOrderId(): int {
		return $this->order_id;
	}

	/**
	 * Get old status.
	 *
	 * @return string
	 */
	public function getOldStatus(): string {
		return $this->old_status;
	}

	/**
	 * Get new status.
	 *
	 * @return string
	 */
	public function getNewStatus(): string {
		return $this->new_status;
	}
}