<?php
declare(strict_types=1);

namespace Esun\Reward\Model;

use Magento\Checkout\Model\Cart as CheckoutCart;
use Magento\Checkout\Model\ConfigProviderInterface;
use Magento\Customer\Helper\Session\CurrentCustomer;

class CheckoutConfigProvider implements ConfigProviderInterface
{
    public function __construct(
        private readonly CheckoutCart $checkoutCart,
        private readonly CurrentCustomer $currentCustomer,
        private readonly BalanceManager $balances,
        private readonly Config $config
    ) {}

    public function getConfig(): array
    {
        $quote = $this->checkoutCart->getQuote();
        $customerId = (int)$this->currentCustomer->getCustomerId()
            ?: (int)$quote->getCustomerId();
        $balance = $customerId > 0
            ? (int)$this->balances->getAccount(
                $customerId,
                (int)$quote->getStore()->getWebsiteId()
            )['balance']
            : 0;

        return ['esunReward' => [
            'logged_in' => $customerId > 0,
            'balance' => $balance,
            'applied_points' => (int)$quote->getData('reward_points_used'),
            'maximum' => $this->config->maxCheckoutPoints((int)$quote->getStoreId()),
            'rate' => $this->config->redemptionRate((int)$quote->getStoreId()),
        ]];
    }
}