<?php

namespace Uncanny_Automator;

use MemberOrder;

/**
 * Class PMP_MEMBERSHIPPURCH
 *
 * @package Uncanny_Automator
 */
class PMP_MEMBERSHIPPURCH {

	/**
	 * Integration code
	 *
	 * @var string
	 */
	public static $integration = 'PMP';

	/**
	 * @var string
	 */
	private $trigger_code;
	/**
	 * @var string
	 */
	private $trigger_meta;

	/**
	 * Set up Automator trigger constructor.
	 */
	public function __construct() {
		$this->trigger_code = 'PMPMEMBERSHIPPURCH';
		$this->trigger_meta = 'PMPMEMBERSHIP';
		$this->define_trigger();
	}

	/**
	 * Define and register the trigger by pushing it into the Automator object
	 */
	public function define_trigger() {

		$trigger = array(
			'author'              => Automator()->get_author_name( $this->trigger_code ),
			'support_link'        => Automator()->get_author_support_link( $this->trigger_code, 'integration/paid-memberships-pro/' ),
			'integration'         => self::$integration,
			'code'                => $this->trigger_code,
			/* translators: Logged-in trigger - Paid Memberships Pro */
			'sentence'            => sprintf( esc_attr__( 'A user purchases {{a membership:%1$s}}', 'uncanny-automator' ), $this->trigger_meta ),
			/* translators: Logged-in trigger - Paid Memberships Pro */
			'select_option_name'  => esc_attr__( 'A user purchases {{a membership}}', 'uncanny-automator' ),
			'action'              => 'pmpro_after_checkout',
			'priority'            => 99,
			'accepted_args'       => 2,
			'validation_function' => array( $this, 'pmpro_payment_completed' ),
			'options_callback'    => array( $this, 'load_options' ),
		);

		Automator()->register->trigger( $trigger );
	}

	/**
	 * @return array[]
	 */
	public function load_options() {

		$options            = Automator()->helpers->recipe->paid_memberships_pro->options->all_memberships( esc_attr__( 'Membership', 'uncanny-automator' ) );
		$options['options'] = array( '-1' => esc_attr__( 'Any membership', 'uncanny-automator' ) ) + $options['options'];

		return Automator()->utilities->keep_order_of_options(
			array(
				'options' => array(
					$options,
				),
			)
		);
	}

	/**
	 * Validation function when the trigger action is hit
	 *
	 * @param $user_id
	 * @param MemberOrder $morder
	 */
	public function pmpro_payment_completed( $user_id, MemberOrder $morder ) {

		if ( ! $morder instanceof MemberOrder ) {
			return;
		}

		$user                = $morder->getUser();
		$membership          = $morder->getMembershipLevel();
		$user_id             = $user->ID;
		$membership_id       = $membership->id;
		$recipes             = Automator()->get->recipes_from_trigger_code( $this->trigger_code );
		$required_membership = Automator()->get->meta_from_recipes( $recipes, $this->trigger_meta );
		$matched_recipe_ids  = array();

		//Add where option is set to Any membership
		foreach ( $recipes as $recipe_id => $recipe ) {
			foreach ( $recipe['triggers'] as $trigger ) {
				$trigger_id = $trigger['ID'];//return early for all memberships
				if ( intval( '-1' ) === intval( $required_membership[ $recipe_id ][ $trigger_id ] ) ) {
					$matched_recipe_ids[] = array(
						'recipe_id'  => $recipe_id,
						'trigger_id' => $trigger_id,
					);
				}
			}
		}

		//Add where membership ID is set for trigger
		foreach ( $recipes as $recipe_id => $recipe ) {
			foreach ( $recipe['triggers'] as $trigger ) {
				$trigger_id = $trigger['ID'];//return early for all memberships
				if ( (int) $required_membership[ $recipe_id ][ $trigger_id ] === (int) $membership_id ) {
					$matched_recipe_ids[] = array(
						'recipe_id'  => $recipe_id,
						'trigger_id' => $trigger_id,
					);
				}
			}
		}

		if ( empty( $matched_recipe_ids ) ) {
			return;
		}
		foreach ( $matched_recipe_ids as $matched_recipe_id ) {
			$args = array(
				'code'             => $this->trigger_code,
				'meta'             => $this->trigger_meta,
				'user_id'          => $user_id,
				'recipe_to_match'  => $matched_recipe_id['recipe_id'],
				'trigger_to_match' => $matched_recipe_id['trigger_id'],
				'ignore_post_id'   => true,
			);

			$result = Automator()->maybe_add_trigger_entry( $args, false );

			if ( $result ) {
				foreach ( $result as $r ) {
					if ( true === $r['result'] ) {
						do_action( 'uap_save_pmp_membership_level', $membership_id, $r['args'], $user_id, $this->trigger_meta );
						Automator()->maybe_trigger_complete( $r['args'] );
					}
				}
			}
		}
	}
}
