<?php

namespace Uncanny_Automator;

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

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

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

	/**
	 * Set up Automator trigger constructor.
	 */
	public function __construct() {
		$this->trigger_code = 'MPPURCHASEPRODUCTRECURRING';
		$this->trigger_meta = 'MPPRODUCT';
		$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(),
			'support_link'        => Automator()->get_author_support_link( $this->trigger_code, 'integration/memberpress/' ),
			'integration'         => self::$integration,
			'code'                => $this->trigger_code,
			/* translators: Logged-in trigger - MemberPress */
			'sentence'            => sprintf( esc_attr__( 'A user purchases {{a recurring subscription product:%1$s}}', 'uncanny-automator' ), $this->trigger_meta ),
			/* translators: Logged-in trigger - MemberPress */
			'select_option_name'  => esc_attr__( 'A user purchases {{a recurring subscription product}}', 'uncanny-automator' ),
			'action'              => 'mepr-event-transaction-completed',
			'priority'            => 20,
			'accepted_args'       => 1,
			'validation_function' => array( $this, 'mp_product_purchased' ),
			'options_callback'    => array( $this, 'load_options' ),
		);

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

	/**
	 * @return array[]
	 */
	public function load_options() {
		return Automator()->utilities->keep_order_of_options(
			array(
				'options' => array(
					Automator()->helpers->recipe->memberpress->options->all_memberpress_products_recurring(
						null,
						$this->trigger_meta,
						array(
							'uo_include_any'  => true,
							'relevant_tokens' => array(
								$this->trigger_meta . '_TXN_ID'        => esc_attr__( 'Transaction ID', 'uncanny-automator' ),
								$this->trigger_meta . '_TXN_AMOUNT'        => esc_attr__( 'Transaction amount', 'uncanny-automator' ),
							),
						)
					),
				),
			)
		);
	}

	/**
	 * @param \MeprEvent $event
	 */
	public function mp_product_purchased( \MeprEvent $event ) {

		/** @var \MeprTransaction $transaction */
		$transaction = $event->get_data();
		/** @var \MeprProduct $product */
		$product    = $transaction->product();
		$product_id = $product->ID;
		$user_id    = absint( $transaction->user()->ID );
		if ( 'lifetime' === (string) $product->period_type ) {
			return;
		}

		/**
		 * Allow this trigger to run for edge cases such as $0 purchases after a coupon is applied.
		 *
		 * @param bool       $run_trigger Whether the trigger should run.
		 * @param \MeprEvent $event       The MemberPress event.
		 */
		if ( ! apply_filters( 'automator_mepr_recurring_subscriptions_trigger_switch', true, $event ) ) {
			return;
		}

		$subscription = $transaction->subscription();

		// Only fire on initial purchase, not renewals. MemberPress treats txn_count > 1 as a renewal
		// (see MeprUtils::send_transaction_receipt_notices and MeprTransactionsCtrl).
		if ( $subscription && $subscription->txn_count > 1 ) {
			$is_renewal = ! Automator()->helpers->recipe->memberpress->check_if_is_renewal_or_first_payment( $subscription );

			// Paid trials: txn_count 2 is the first real payment, not a renewal.
			if ( $is_renewal ) {
				return;
			}
		}

		$recipes = Automator()->get->recipes_from_trigger_code( $this->trigger_code );
		if ( empty( $recipes ) ) {
			return;
		}
		$required_product   = Automator()->get->meta_from_recipes( $recipes, $this->trigger_meta );
		$matched_recipe_ids = array();
		//Add where option is set to Any product
		foreach ( $recipes as $recipe_id => $recipe ) {
			foreach ( $recipe['triggers'] as $trigger ) {
				$trigger_id = $trigger['ID'];//return early for all products
				if ( ! isset( $required_product[ $recipe_id ][ $trigger_id ] ) ) {
					continue; // Skip trigger when required product data is not available
				}
				if ( absint( $required_product[ $recipe_id ][ $trigger_id ] ) === $product_id || intval( '-1' ) === intval( $required_product[ $recipe_id ][ $trigger_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 ) {
			$recipe_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,
				'is_signed_in'     => true,
			);

			$results = Automator()->maybe_add_trigger_entry( $recipe_args, false );
			if ( empty( $results ) ) {
				continue;
			}
			foreach ( $results as $result ) {
				if ( true === $result['result'] ) {
					$trigger_meta = array(
						'user_id'        => $user_id,
						'trigger_id'     => $result['args']['trigger_id'],
						'trigger_log_id' => $result['args']['trigger_log_id'],
						'run_number'     => $result['args']['run_number'],
					);

					$trigger_meta['meta_key']   = $this->trigger_meta;
					$trigger_meta['meta_value'] = $product_id;
					Automator()->insert_trigger_meta( $trigger_meta );

					$trigger_meta['meta_key']   = 'mp_txn_id';
					$trigger_meta['meta_value'] = $transaction->id;
					Automator()->insert_trigger_meta( $trigger_meta );

					$trigger_meta['meta_key']   = 'mp_txn_amount';
					$trigger_meta['meta_value'] = $transaction->amount;
					Automator()->insert_trigger_meta( $trigger_meta );

					Automator()->maybe_trigger_complete( $result['args'] );
				}
			}
		}
	}

}
