<?php

class UserDAO {

    private static array $users = [
        [
            "email" => "test@test.de",
            "username" => "test",
            "password" => "1234"
        ]
    ];

    public function findUser($email) {
        foreach (self::$users as $user) {
            if ($user["email"] === $email) {
                return $user;
            }
        }
        return null;
    }

    public function addUser($email, $username, $password) {
        self::$users[] = [
            "email" => $email,
            "username" => $username,
            "password" => $password
        ];
    }

    public function deleteUser($email) {
        foreach (self::$users as $i => $user) {
            if ($user["email"] === $email) {
                unset(self::$users[$i]);
                self::$users = array_values(self::$users);
                return true;
            }
        }
        return false;
    }
}