<?php

$host = "localhost";
$dbname = "tennis";
$username = "root";
$password = "";

//Start the Session
session_start();

$pdo = new PDO("mysql:host=$host;dbname=$dbname;charset=utf8", $username, $password);


//3. If the form is submitted or not.
//3.1 If the form is submitted
if (isset($_POST['email']) and isset($_POST['password'])) {

    // later add more validation - filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)

    $errors = [];
        if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
            $errors['email'] = 'Email ni pravilen.';
        }

        if (empty($_POST['email']) || empty($_POST['password'])) {
            $errors['empty'] = 'Email in geslo sta obvezna.';
        }

    //3.1.1 Assigning posted values to variables.
    $email = $_POST['email'];
    $password = $_POST['password'];

    //3.1.2 Checking the values are existing in the database or not


    if (count($errors) > 0) {
        $errors = ['email' => $email, 'password' => $password];
        require 'login.phtml';
        die;
    }

    $result = $pdo->query("SELECT * FROM users WHERE email = :email and password = :password")->fetch(PDO::FETCH_ASSOC);

    if ($result == 1) {
        $_SESSION['username'] = $username;
    } else {
        $fmsg = "Invalid Login Credentials.";
    }
}

        if (empty($result)) {
            $errors['result'] = 'Uporabnik s tem emailom in geslom v bazi ne obstaja.';
            die;
        }


    // poglej, da result ni prazen (da si iz baze dobila uporabnika)


    // poglej kako sva errorje prikazovala in dodajala


    // shrani ime uporabnika v session
    //3.1.2 If the posted values are equal to the database values, then session will be created for the user.

        //3.1.3 If the login credentials doesn't match, he will be shown with an error message.


//3.1.4 if the user is logged in Greets the user with message
if (isset($_SESSION['username'])) {
    $username = $_SESSION['username'];
    echo "Živjo, " . $username;
    echo "This is the Members Area";
    echo "<a href='logout.php'>Logout</a>";
} else {
//3.2 When the user visits the page first time, simple login form will be displayed.
    require 'login.phtml';
}