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1<?php
2/**
3 * Jingga
4 *
5 * PHP Version 8.1
6 *
7 * @package   phpOMS\Account
8 * @copyright Dennis Eichhorn
9 * @license   OMS License 2.0
10 * @version   1.0.0
11 * @link      https://jingga.app
12 */
13declare(strict_types=1);
14
15namespace phpOMS\Account;
16
17use phpOMS\Auth\Auth;
18use phpOMS\DataStorage\Session\SessionInterface;
19
20/**
21 * Account manager class.
22 *
23 * The account manager is used to manage accounts.
24 *
25 * @package phpOMS\Account
26 * @license OMS License 2.0
27 * @link    https://jingga.app
28 * @since   1.0.0
29 */
30final class AccountManager implements \Countable
31{
32    /**
33     * Accounts.
34     *
35     * @var Account[]
36     * @since 1.0.0
37     */
38    private array $accounts = [];
39
40    /**
41     * Session.
42     *
43     * @var SessionInterface
44     * @since 1.0.0
45     */
46    private SessionInterface $session;
47
48    /**
49     * Constructor.
50     *
51     * @param SessionInterface $session Session
52     *
53     * @since 1.0.0
54     */
55    public function __construct(SessionInterface $session)
56    {
57        $this->session = $session;
58    }
59
60    /**
61     * Get account.
62     *
63     * @param int $id Account id
64     *
65     * @return Account
66     *
67     * @since 1.0.0
68     */
69    public function get(int $id = 0) : Account
70    {
71        if ($id === 0) {
72            $account = new Account(Auth::authenticate($this->session));
73
74            if (!isset($this->accounts[$account->getId()])) {
75                $this->accounts[$account->getId()] = $account;
76            }
77
78            return $account;
79        }
80
81        return $this->accounts[$id] ?? new NullAccount();
82    }
83
84    /**
85     * Add account.
86     *
87     * @param Account $account Account
88     *
89     * @return bool Returns true if the account could be added otherwise false is returned
90     *
91     * @since 1.0.0
92     */
93    public function add(Account $account) : bool
94    {
95        if (!isset($this->accounts[$account->getId()])) {
96            $this->accounts[$account->getId()] = $account;
97
98            return true;
99        }
100
101        return false;
102    }
103
104    /**
105     * Remove account.
106     *
107     * @param int $id Account id
108     *
109     * @return bool Returns true if the account could be removed otherwise false
110     *
111     * @since 1.0.0
112     */
113    public function remove(int $id) : bool
114    {
115        if (isset($this->accounts[$id])) {
116            unset($this->accounts[$id]);
117
118            return true;
119        }
120
121        return false;
122    }
123
124    /**
125     * Get accounts count.
126     *
127     * @return int Returns the amount of accounts in the manager (>= 0)
128     *
129     * @since 1.0.0
130     */
131    public function count() : int
132    {
133        return \count($this->accounts);
134    }
135}