<?php
    require './Session.php';
    $host = 'localhost';
    $db   = 'kursach';
    $user = 'root';
    $pass = '';
    $charset = 'utf8';

    $dsn = "mysql:host=$host;dbname=$db;charset=$charset";

    $opt = [
        PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
        PDO::ATTR_EMULATE_PREPARES   => false,
    ];
    $pdo = new PDO($dsn, $user, $pass, $opt);

    $organization = $_POST['organization'];

    $errors = [];
    $isValid = true;
    if (empty(trim($organization)))
    {
        $errors['organization'] ="Ви не ввели назву організації";
        $isValid = false;
    }
    if($isValid)
    {
        $values = ['organization'=>$organization];
        $sql = "SELECT organization FROM workers WHERE organization=:organization";
        $stm = $pdo->prepare($sql);
        $stm->execute($values);
        $userData = $stm->fetch();
        if (!$userData) {
            $errors['organization'] ="Такої організації не існує";
            $isValid = false;
        }
        if($isValid)
        {
                $session = new Session;
                foreach ($userData as $data => $value)
                {
                    $session->set($data, $value);
                }
        }
    }

    echo json_encode(compact(['errors', 'isValid']));

?>