<?php
declare(strict_types=1);

namespace Esun\CustomerMessage\Block\Adminhtml\Message;

use Esun\CustomerMessage\Model\ConversationService;
use Magento\Backend\Block\Template;
use Magento\Sales\Api\OrderRepositoryInterface;

class Index extends Template
{
    public function __construct(Template\Context $context, private readonly ConversationService $conversations, private readonly OrderRepositoryInterface $orders, array $data = [])
    {
        parent::__construct($context, $data);
    }

    public function getThreads(): array
    {
        return $this->conversations->getThreadsForAdmin();
    }

    public function getSelectedThread(): ?array
    {
        $threadId = (int)$this->getRequest()->getParam('thread_id');
        if ($threadId) {
            return $this->conversations->getThreadForAdmin($threadId);
        }
        $orderId = (int)$this->getRequest()->getParam('order_id');
        return $orderId ? $this->conversations->getOrderThreadForAdmin($orderId) : null;
    }

    public function getMessages(?array $thread): array
    {
        return $thread ? $this->conversations->getMessages((int)$thread['thread_id']) : [];
    }

    public function getOrder(): ?\Magento\Sales\Api\Data\OrderInterface
    {
        $orderId = (int)$this->getRequest()->getParam('order_id');
        if (!$orderId) {
            return null;
        }
        try {
            return $this->orders->get($orderId);
        } catch (\Throwable) {
            return null;
        }
    }
}