<?php

namespace Controllers;

use Libs\Logger;
use Libs\ResponseLib;
use Models\AgentsModel;
use Models\UserModel;
use Psr\Http\Message\ServerRequestInterface;

class AgentSaveController
{
    private UserModel $userModel;
    private AgentsModel $agentsModel;

    public function __construct()
    {
        $this->userModel = new UserModel();
        $this->agentsModel = new AgentsModel();
    }

    public function __invoke(ServerRequestInterface $request)
    {
        $userId = (int) ($request->getAttribute('user_id') ?? 0);
        $body = json_decode((string) $request->getBody(), true) ?: [];

        if ($userId <= 0) {
            return ResponseLib::sendFail('Unauthorized: Missing authenticated user', [], 'E_VALIDATE')->withStatus(401);
        }

        try {
            $companyId = $this->userModel->getCompanyIdByUserId($userId);
            if ($companyId === null) {
                return ResponseLib::sendFail('User not found', [], 'E_NOT_FOUND')->withStatus(404);
            }

            $agent = $this->agentsModel->saveAgent($companyId, $body);
            if ($agent === null) {
                return ResponseLib::sendFail('Invalid payload, duplicated email, or agent not found', [], 'E_VALIDATE')->withStatus(400);
            }

            return ResponseLib::sendOk($agent, 'S_CREATED');
        } catch (\Throwable $e) {
            Logger::error('Failed to save agent', ['error' => $e->getMessage()]);
            return ResponseLib::sendFail('Failed to save agent', [], 'E_GENERIC')->withStatus(500);
        }
    }
}