<?php
/**
 * Easy Digital Downloads.
 *
 * @package PingPush
 */

defined( 'ABSPATH' ) || exit;

/**
 * New purchase. Supports EDD 3.x (orders) and falls back to EDD 2.x (payments).
 */
class PingPush_Event_EDD extends PingPush_Integration {

	/**
	 * Name.
	 *
	 * @return string
	 */
	public static function name() {
		return 'Easy Digital Downloads';
	}

	/**
	 * Active?
	 *
	 * @return bool
	 */
	public static function is_available() {
		return class_exists( 'Easy_Digital_Downloads' );
	}

	/**
	 * Register events.
	 */
	public function register_events() {
		PingPush_Events::register(
			'edd_purchase',
			array(
				'label'        => __( 'Easy Digital Downloads: new purchase', 'pingpush' ),
				'group'        => 'ecommerce',
				'source'       => 'Easy Digital Downloads',
				'title'        => __( 'New sale #{order_number}: {order_total}', 'pingpush' ),
				'message'      => __( "{customer_name}\n{items}", 'pingpush' ),
				'sound'        => 'cashregister',
				'enabled'      => true,
				'placeholders' => array( 'order_number', 'order_total', 'items_count', 'items', 'customer_name', 'customer_email' ),
			)
		);
	}

	/**
	 * Hooks.
	 */
	public function hooks() {
		add_action( 'edd_complete_purchase', array( $this, 'complete' ), 20, 1 );
	}

	/**
	 * Purchase complete.
	 *
	 * @param int $id Order (EDD 3) or payment (EDD 2) id.
	 */
	public function complete( $id ) {
		$data = function_exists( 'edd_get_order' ) ? $this->from_order( (int) $id ) : $this->from_payment( (int) $id );
		if ( ! $data ) {
			return;
		}
		PingPush_Events::trigger(
			'edd_purchase',
			$data,
			array(
				'url'        => admin_url( 'edit.php?post_type=download&page=edd-payment-history&view=view-order-details&id=' . (int) $id ),
				'url_title'  => __( 'View order', 'pingpush' ),
				'dedupe'     => (string) $id,
				'dedupe_ttl' => DAY_IN_SECONDS,
			)
		);
	}

	/**
	 * EDD 3 order data.
	 *
	 * @param int $id Order id.
	 * @return array|null
	 */
	private function from_order( $id ) {
		$order = edd_get_order( $id );
		if ( ! $order ) {
			return null;
		}
		$items = array();
		$count = 0;
		foreach ( (array) $order->get_items() as $item ) {
			$count  += (int) $item->quantity;
			$items[] = (int) $item->quantity . ' × ' . $item->product_name;
		}
		$name = '';
		if ( function_exists( 'edd_get_customer' ) && $order->customer_id ) {
			$customer = edd_get_customer( $order->customer_id );
			$name     = $customer ? (string) $customer->name : '';
		}
		return array(
			'order_number'   => method_exists( $order, 'get_number' ) ? (string) $order->get_number() : (string) $id,
			'order_total'    => $this->money( $order->total, $order->currency ),
			'items_count'    => (string) $count,
			'items'          => implode( "\n", $items ),
			'customer_name'  => '' !== $name ? $name : (string) $order->email,
			'customer_email' => (string) $order->email,
		);
	}

	/**
	 * EDD 2 payment data.
	 *
	 * @param int $id Payment id.
	 * @return array|null
	 */
	private function from_payment( $id ) {
		if ( ! function_exists( 'edd_get_payment' ) ) {
			return null;
		}
		$payment = edd_get_payment( $id );
		if ( ! $payment ) {
			return null;
		}
		$items = array();
		$count = 0;
		foreach ( (array) $payment->cart_details as $item ) {
			$qty     = (int) ( $item['quantity'] ?? 1 );
			$count  += $qty;
			$items[] = $qty . ' × ' . ( $item['name'] ?? '' );
		}
		$name = trim( $payment->first_name . ' ' . $payment->last_name );
		return array(
			'order_number'   => (string) $payment->number,
			'order_total'    => $this->money( $payment->total, $payment->currency ),
			'items_count'    => (string) $count,
			'items'          => implode( "\n", $items ),
			'customer_name'  => '' !== $name ? $name : (string) $payment->email,
			'customer_email' => (string) $payment->email,
		);
	}

	/**
	 * Plain-text price.
	 *
	 * @param float  $amount   Amount.
	 * @param string $currency Currency.
	 * @return string
	 */
	private function money( $amount, $currency ) {
		if ( function_exists( 'edd_currency_filter' ) && function_exists( 'edd_format_amount' ) ) {
			return trim( html_entity_decode( wp_strip_all_tags( edd_currency_filter( edd_format_amount( $amount ), $currency ) ), ENT_QUOTES, 'UTF-8' ) );
		}
		return $currency . ' ' . number_format_i18n( (float) $amount, 2 );
	}
}