<?php
/**
 * WooCommerce and WordPress action hooks for WooList.
 *
 * @package WooList
 */

defined( 'ABSPATH' ) || exit;

class WooList_Hooks {

	/** @var WooList_API */
	private WooList_API $api;

	public function __construct( WooList_API $api ) {
		$this->api = $api;

		add_action( 'woocommerce_order_status_completed', [ $this, 'on_order_completed' ] );
		add_action( 'woocommerce_order_status_cancelled', [ $this, 'on_order_cancelled' ] );
		add_action( 'user_register', [ $this, 'on_user_register' ] );
	}

	/**
	 * Sync billing email to phpList when an order is marked completed.
	 *
	 * @param int $order_id WooCommerce order ID.
	 */
	public function on_order_completed( int $order_id ): void {
		WooList_Logger::debug( 'Hook fired: order_completed  order_id=' . $order_id );

		if ( get_option( 'woolist_sync_completed' ) !== 'yes' ) {
			WooList_Logger::debug( 'Completed order sync disabled, skipping.' );
			return;
		}

		$list_id = (int) get_option( 'woolist_completed_list_id', 0 );
		if ( $list_id < 1 ) {
			WooList_Logger::error( 'Completed order sync enabled but no list ID configured  order_id=' . $order_id );
			return;
		}

		$order = wc_get_order( $order_id );
		if ( ! $order ) {
			WooList_Logger::error( 'Could not load order  order_id=' . $order_id );
			return;
		}

		$email = $order->get_billing_email();
		if ( ! is_email( $email ) ) {
			WooList_Logger::error( 'Order has no valid billing email  order_id=' . $order_id );
			return;
		}

		WooList_Logger::info( 'Syncing completed order  order_id=' . $order_id . '  email=' . $email . '  list_id=' . $list_id );
		$this->api->subscribe_email_to_list( $email, $list_id );
	}

	/**
	 * Sync billing email to phpList when an order is cancelled.
	 *
	 * @param int $order_id WooCommerce order ID.
	 */
	public function on_order_cancelled( int $order_id ): void {
		WooList_Logger::debug( 'Hook fired: order_cancelled  order_id=' . $order_id );

		if ( get_option( 'woolist_sync_cancelled' ) !== 'yes' ) {
			WooList_Logger::debug( 'Cancelled order sync disabled, skipping.' );
			return;
		}

		$list_id = (int) get_option( 'woolist_cancelled_list_id', 0 );
		if ( $list_id < 1 ) {
			WooList_Logger::error( 'Cancelled order sync enabled but no list ID configured  order_id=' . $order_id );
			return;
		}

		$order = wc_get_order( $order_id );
		if ( ! $order ) {
			WooList_Logger::error( 'Could not load order  order_id=' . $order_id );
			return;
		}

		$email = $order->get_billing_email();
		if ( ! is_email( $email ) ) {
			WooList_Logger::error( 'Order has no valid billing email  order_id=' . $order_id );
			return;
		}

		WooList_Logger::info( 'Syncing cancelled order  order_id=' . $order_id . '  email=' . $email . '  list_id=' . $list_id );
		$this->api->subscribe_email_to_list( $email, $list_id );
	}

	/**
	 * Sync new user email to phpList when a WordPress account is created.
	 *
	 * @param int $user_id Newly registered user ID.
	 */
	public function on_user_register( int $user_id ): void {
		WooList_Logger::debug( 'Hook fired: user_register  user_id=' . $user_id );

		if ( get_option( 'woolist_sync_signup' ) !== 'yes' ) {
			WooList_Logger::debug( 'Account signup sync disabled, skipping.' );
			return;
		}

		$list_id = (int) get_option( 'woolist_signup_list_id', 0 );
		if ( $list_id < 1 ) {
			WooList_Logger::error( 'Account signup sync enabled but no list ID configured  user_id=' . $user_id );
			return;
		}

		$user = get_userdata( $user_id );
		if ( ! $user || ! is_email( $user->user_email ) ) {
			WooList_Logger::error( 'Could not load user or invalid email  user_id=' . $user_id );
			return;
		}

		WooList_Logger::info( 'Syncing new account  user_id=' . $user_id . '  email=' . $user->user_email . '  list_id=' . $list_id );
		$this->api->subscribe_email_to_list( $user->user_email, $list_id );
	}
}