<?php
namespace JVBase\managers\SEO\render\Traits\_Properties;

use JVBase\inc\managers\SEO\render\Thing\Intangible\ItemList\OfferCatalog;
use JVBase\managers\SEO\render\Thing\Intangible\Demand;
use JVBase\managers\SEO\render\Thing\Intangible\Offer;
use JVBase\managers\SEO\render\Thing\Intangible\Service;
use JVBase\managers\SEO\render\Thing\Intangible\StructuredValue\PriceSpecification;
use JVBase\managers\SEO\render\Thing\Product\Product;
use JVBase\managers\SEO\render\Traits\_Helpers\arrayHelper;
use JVBase\meta\Meta;
use JVBase\registrar\Fields;
use JVBase\registrar\Registrar;
use WP_Query;

if (!defined('ABSPATH')) {
	exit;
}
trait offersTrait {
	use arrayHelper;
	/**
	 * @var Demand|Offer|array An offer to provide this item—for example, an offer to sell a product, rent the DVD of a movie, perform a service, or give away tickets to an event. Use businessFunction to indicate the kind of transaction offered, i.e. sell, lease, etc. This property can also be used to describe a Demand. While this property is listed as expected on a number of common types, it can be used in others. In that case, using a second type, such as Product or a subtype of Product, can clarify the nature of the offer.
	 * Inverse property: itemOffered
	 */
	protected Demand|Offer|array $offers;

	public function getOffers():Demand|Offer|array|null
	{
		return $this->offers??null;
	}
	public function setOffers(Demand|Offer|array $offers):void
	{
		if (is_array($offers)) {
			$offers = $this->mixedArray('offers', $offers,[
				'JVBase\managers\SEO\render\Thing\Intangible\Demand',
				'JVBase\managers\SEO\render\Thing\Intangible\Offer'
			]);
		}
		$this->offers = $offers;
	}
	public function setOffersField(Fields $fields):void
	{
		$fields->addField('generate_offers_from_content',
		[
			'type'	=> 'true_false',
			'label'	=> __('Generate Offers from Content', 'jvb'),
		]);
		$fields->addField('seo_offers', [
			'type'	=> 'repeater',
			'label'	=> __('Offers', 'jvb'),
			'condition'	=> [
				'field'	=> 'generate_offers_from_content',
				'value'	=> true,
				'operator'	=> '=='
			],
			'fields'	=> [
				'type'	=> [
					'type'	=> 'radio',
					'label'	=> __('Select Type', 'jvb'),
					'options'	=> [
						'product'	=> 'Product',
						'service'	=> 'Service'
					],
					'required' => true,
				],
				'name'	=> [
					'type'	=> 'text',
					'label'	=> __('Name of Product or Service', 'jvb'),
					'required'	=> true,
				],
				'description'	=> [
					'type'	=> 'textarea',
					'label'	=> __('Description (optional)', 'jvb'),
				],
				'price'	=> [
					'type'	=> 'text',
					'subtype'	=> 'number',
					'label'		=> __('Price', 'jvb'),
				],
				'unitText' 	=> [
					'type'	=> 'radio',
					'label'	=> 'Price per unit',
					'options'	=> [
						'hour'	=> 'Hour',
						'unit'	=> 'Unit',
					],
					'default'	=> 'unit',
				]
			],
		]);
	}

	public function formatOffersField(Meta $meta):void
	{
		$generate = $meta->get('generate_offers_from_content');
		if (!empty($generate) && $generate === true) {
			$this->generateOffersFromContent($meta);
			return;
		}
		$catalog = $meta->get('seo_offers');
		if (!empty($catalog)) {
			$offerCatalog = [];
			$name = '';
			$services = array_filter($catalog, function ($item) {
				return $item['type'] === 'service';
			});
			$products =array_filter($catalog, function ($item) {
				return $item['type'] === 'product';
			});
			if (count($products) > 0) {
				$name = 'Products';
				if (count($services) > 0) {
					$name .= ' & ';
				}
			}
			if (count($services) > 0) {
				$name .= 'Services';
			}
			foreach ($catalog as $row) {
				$offer = new Offer();

				$item = match($row['type']) {
					'product'	=> new Product(),
					'service' 	=> new Service(),
				};

				$item->setName($row['name']);
				if (!empty($row['description'])) {
					$item->setDescription($row['description']);
				}
				if (!empty($row['price'])) {
					$price = new PriceSpecification();
					$price->setPrice($row['price']);
					$price->setPriceCurrency('CAD');
					$price->setUnitText($row['unitText']);
					$offer->setPriceSpecification($price);
				}
				$offer->setItemOffered($item);
				$offerCatalog[] =  $offer;
			}
			if (!empty(!$offerCatalog)) {
				$this->setOffers($offerCatalog);
			}
		}
	}

	/**
	 * This presumes that the Meta instance being passed is for a profile content type.
	 * @param Meta $meta
	 * @return void
	 */
	public function generateOffersFromContent(Meta $meta):void
	{
		$userID = (int)get_post_meta($meta->id(), BASE.'profile_link', true);
		if (empty($userID)) {
			return;
		}
		$user = get_userdata($userID);
		if (!$user) {
			return;
		}
		$registrar = Registrar::getInstance(jvbUserRole($userID));
		if (!$registrar) {
			return;
		}
		$types = $registrar->getCreatable();
		if (empty($types)) {
			return;
		}
		$offers = [];
		$cities = $meta->get('city');
		$rate = $meta->get('rate');
		$reviews = $meta->get('reviews');
		$rating = $meta->get('average_rating');
		$theCities = $theRate = $theReviews = $theRating = null;

		foreach($types as $type) {
			$based = jvbCheckBase($type);
			$hasAny = new WP_Query([
				'post_type'		=> $based,
				'posts_per_page'=> 1,
				'fields'		=> 'ids',
				'post_author'	=> $userID
			]);
			if ($hasAny->have_posts()) {
				$offer = new Offer();
				$typeRegistrar = Registrar::getInstance($type);
				
			}
		}
	}
}