<?php

declare(strict_types=1);

namespace Opdavies\Glassboxx\Request;

use Opdavies\Glassboxx\Enum\InteractionType;
use Opdavies\Glassboxx\Traits\UsesAuthTokenTrait;
use Opdavies\Glassboxx\Traits\UsesCreatedAtTrait;
use Opdavies\Glassboxx\ValueObject\OrderInterface;
use Opdavies\Glassboxx\ValueObject\OrderItem;
use RuntimeException;

class OrderRequest extends AbstractRequest implements OrderRequestInterface
{
    use UsesCreatedAtTrait;
    use UsesAuthTokenTrait;

    /** @var OrderInterface|null */
    private $order;

    /** @var OrderItem[] */
    private $orderItems = [];

    public function forOrder(OrderInterface $order): AbstractRequest
    {
        $this->order = $order;

        return $this;
    }

    public function withOrderItems(array $orderItems): AbstractRequest
    {
        $this->orderItems = $orderItems;

        return $this;
    }

    public function execute(): string
    {
        if (!$this->config) {
            throw new RuntimeException('There is no config');
        }

        if (!$this->order) {
            throw new RuntimeException('There is no order');
        }

        if (!$this->order->getCustomer()) {
            throw new RuntimeException('There is no customer');
        }

        $body = [];

        foreach ($this->orderItems as $orderItem) {
            $body['items'][] = [
                'created_at' => $this->getCreatedAtDate(),
                'currency_code' => $this->order->getCurrencyCode(),
                'customer_email' => $this->order->getCustomer()->getEmailAddress(),
                'customer_firstname' => $this->order->getCustomer()->getFirstName(),
                'customer_lastname' => $this->order->getCustomer()->getLastName(),
                'discount_amount' => 0,
                'duration_for_loan' => 0,
                'hostname' => $this->config->getVendorId(),
                'original_order_number' => $this->order->getOrderNumber(),
                'price_incl_tax' => $orderItem->getPrice(),
                'sku' => $orderItem->getSku(),
                'type_of_interaction' => InteractionType::PURCHASE,
            ];
        }

        $response = $this->client->request(
            'POST',
            self::ENDPOINT,
            [
                'auth_bearer' => $this->authToken,
                'headers' => [
                    'Content-Type' => 'application/json',
                ],
                'body' => json_encode($body),
            ]
        );

        return $response->getContent(false);
    }
}