<?php

namespace Controllers;

use Libs\ResponseLib;
use Models\OrderModel;
use Models\UserModel;
use Psr\Http\Message\ServerRequestInterface;
use Respect\Validation\Validator as v;
use Respect\Validation\Exceptions\ValidationException;

class OrderCreateController
{
    private OrderModel $model;
    private UserModel $userModel;

    public function __construct()
    {
        $this->model = new OrderModel();
        $this->userModel = new UserModel();
    }

    public function __invoke(ServerRequestInterface $request)
    {
        $body = json_decode((string)$request->getBody(), true) ?? [];

        try {
            v::key('table_id', v::intType()->positive())
             ->key('user_name', v::stringType()->notEmpty()->alnum('_'))
             ->key('company_id', v::intType()->positive())
             ->key('order_name', v::stringType()->notEmpty()->alnum(' '))
             ->key('order_phone', v::optional(v::stringType()->notEmpty()->length(8, 20)), false)
             ->key('status_status', v::stringType()->notEmpty()->in(['Aberta', 'Finalizada', 'Cancelada']))
             ->assert($body);
        } catch (ValidationException $e) {
            return ResponseLib::sendFail("Validation failed: " . $e->getFullMessage(), [], "E_VALIDATE")->withStatus(422);
        }

        $tableId = (int) $body['table_id'];
        $companyId = (int) $body['company_id'];
        $orderName = $body['order_name'];
        $orderPhone = $body['order_phone'] ?? '';
        $statusStatus = $body['status_status'];
        $userName = $body['user_name'];

        // Buscar user_id correspondente ao user_name
        $userId = $this->getUserIdByUserName($userName, $companyId);

        if (!$userId) {
            return ResponseLib::sendFail("User '{$userName}' Not Found", [], "E_USER_NOT_FOUND")->withStatus(404);
        }

        $statusId = $this->model->getStatusIdByName($statusStatus);

        if ($statusId === null) {
            return ResponseLib::sendFail("Invalid status_status Provided: '{$statusStatus}'", [], "E_VALIDATE")->withStatus(400);
        }

        $created = $this->model->createOrder(
            $tableId,
            $userId,
            $companyId,
            $orderName,
            $orderPhone,
            $statusId 
        );

        return $created
            ? ResponseLib::sendOk(['created' => true, 'order_id' => $created])
            : ResponseLib::sendFail("Failed to Create Order", [], "E_DATABASE")->withStatus(500);
    }

    private function getUserIdByUserName(string $username, int $companyId): ?int
    {
        $users = $this->userModel->getUsersByCompany($companyId);
        foreach ($users as $user) {
            if ($user['user_name'] === $username) {
                return (int) $user['user_id'];
            }
        }
        return null;
    }
}