<?php
/**
 * WooCommerce integration.
 *
 * @package Dealroot
 */

namespace Dealroot\Forms;

use Dealroot\Capture;
use Dealroot\Leads;
use Dealroot\Settings;

defined( 'ABSPATH' ) || exit;

/**
 * Stores each order as a lead and marks it won once it is paid.
 */
class WooCommerce extends Integration {

	const META_KEY = '_dealroot_lead_id';

	/**
	 * {@inheritDoc}
	 */
	public static function is_available() {
		return class_exists( '\WooCommerce' ) && Settings::get( 'woocommerce_orders' );
	}

	/**
	 * {@inheritDoc}
	 */
	public static function key() {
		return 'woocommerce';
	}

	/**
	 * {@inheritDoc}
	 */
	public static function label() {
		return 'WooCommerce';
	}

	/**
	 * {@inheritDoc}
	 */
	public function register() {
		add_action( 'woocommerce_checkout_order_created', array( $this, 'capture' ) );
		add_action( 'woocommerce_store_api_checkout_order_processed', array( $this, 'capture' ) );
		add_action( 'woocommerce_order_status_changed', array( $this, 'sync_status' ), 10, 4 );
	}

	/**
	 * Creates the lead when the order is placed.
	 *
	 * @param \WC_Order $order Order.
	 */
	public function capture( $order ) {
		if ( ! $order instanceof \WC_Order || $order->get_meta( self::META_KEY ) ) {
			return;
		}

		$items = array();
		foreach ( $order->get_items() as $item ) {
			$items[] = $item->get_quantity() . ' × ' . $item->get_name();
		}

		$fields = array(
			array(
				'label' => __( 'First name', 'dealroot' ),
				'name'  => 'billing_first_name',
				'type'  => 'text',
				'value' => $order->get_billing_first_name(),
			),
			array(
				'label' => __( 'Last name', 'dealroot' ),
				'name'  => 'billing_last_name',
				'type'  => 'text',
				'value' => $order->get_billing_last_name(),
			),
			array(
				'label' => __( 'Email', 'dealroot' ),
				'name'  => 'billing_email',
				'type'  => 'email',
				'value' => $order->get_billing_email(),
			),
			array(
				'label' => __( 'Phone', 'dealroot' ),
				'name'  => 'billing_phone',
				'type'  => 'tel',
				'value' => $order->get_billing_phone(),
			),
			array(
				'label' => __( 'Company', 'dealroot' ),
				'name'  => 'billing_company',
				'type'  => 'text',
				'value' => $order->get_billing_company(),
			),
			array(
				'label' => __( 'Postcode', 'dealroot' ),
				'name'  => 'billing_postcode',
				'type'  => 'text',
				'value' => $order->get_billing_postcode(),
			),
			array(
				'label' => __( 'City', 'dealroot' ),
				'name'  => 'billing_city',
				'type'  => 'text',
				'value' => $order->get_billing_city(),
			),
			array(
				'label' => __( 'Country', 'dealroot' ),
				'name'  => 'billing_country',
				'type'  => 'text',
				'value' => $order->get_billing_country(),
			),
			array(
				'label' => __( 'Products', 'dealroot' ),
				'name'  => 'items',
				'type'  => 'textarea',
				'value' => implode( "\n", $items ),
			),
		);

		$paid = $order->is_paid();

		$lead_id = Capture::submission(
			self::key(),
			(string) $order->get_id(),
			/* translators: %s: order number. */
			sprintf( __( 'Order #%s', 'dealroot' ), $order->get_order_number() ),
			$fields,
			array(
				'status'   => $paid ? 'won' : 'new',
				'value'    => (float) $order->get_total(),
				'currency' => $order->get_currency(),
				'won_at'   => $paid ? current_time( 'mysql', true ) : null,
			)
		);

		if ( $lead_id ) {
			$order->update_meta_data( self::META_KEY, $lead_id );
			$order->save_meta_data();

			// A checkout form of the theme may have been saved as an enquiry just before.
			\Dealroot\Orders::merge_attempts( $lead_id );
		}
	}

	/**
	 * Mirrors the order status on the lead.
	 *
	 * @param int       $order_id Order ID.
	 * @param string    $from     Old status.
	 * @param string    $to       New status.
	 * @param \WC_Order $order    Order.
	 */
	public function sync_status( $order_id, $from, $to, $order ) {
		if ( ! $order instanceof \WC_Order ) {
			return;
		}

		$lead_id = (int) $order->get_meta( self::META_KEY );
		if ( ! $lead_id ) {
			return;
		}

		$map = array(
			'processing' => 'won',
			'completed'  => 'won',
			'cancelled'  => 'lost',
			'failed'     => 'lost',
			'refunded'   => 'lost',
		);

		if ( isset( $map[ $to ] ) ) {
			Leads::update(
				$lead_id,
				array(
					'status' => $map[ $to ],
					'value'  => (float) $order->get_total(),
				)
			);
		}
	}
}