<?php
declare(strict_types=1);

$pluginDir = dirname(__DIR__);
require_once $pluginDir . '/exec/lib/Settings.php';
require_once $pluginDir . '/exec/lib/DirectAdminUser.php';

function fail(string $message): void
{
    fwrite(STDERR, "FAIL: {$message}\n");
    exit(1);
}

function assert_true(bool $condition, string $message): void
{
    if (!$condition) {
        fail($message);
    }
}

function assert_same($expected, $actual, string $message): void
{
    if ($expected !== $actual) {
        fail($message . ' expected=' . var_export($expected, true) . ' actual=' . var_export($actual, true));
    }
}

function load_settings(string $contents): Settings
{
    $path = tempnam(sys_get_temp_dir(), 'altmysql-settings-');
    if ($path === false) {
        fail('cannot create temp settings file');
    }
    file_put_contents($path, $contents);
    $settings = Settings::load($path);
    unlink($path);
    return $settings;
}

function make_da_user(Settings $settings, array $userConf, array $packageConf): DirectAdminUser
{
    $class = new ReflectionClass(DirectAdminUser::class);
    /** @var DirectAdminUser $user */
    $user = $class->newInstanceWithoutConstructor();
    foreach ([
        'username' => 'demo',
        'prefix' => 'demo_',
        'userConf' => $userConf,
        'packageConf' => $packageConf,
        'settings' => $settings,
    ] as $property => $value) {
        $prop = $class->getProperty($property);
        $prop->setAccessible(true);
        $prop->setValue($user, $value);
    }
    return $user;
}

$alwaysSettings = load_settings("always_enabled=1\nMYSQL_PLUGIN_DEFAULT_DB_LIMIT=5\n");
assert_true($alwaysSettings->alwaysEnabled(), 'always_enabled=1 should be enabled');
$alwaysUser = make_da_user($alwaysSettings, [
    'mysql_enabled' => 'no',
    'mysql' => '0',
    'plugins_deny' => 'alt-mysql',
], []);
assert_true($alwaysUser->hasPluginAccess(), 'always_enabled=1 should bypass per-user enable and plugin deny rules');
assert_same(0, $alwaysUser->maxDatabases(), 'always_enabled=1 should make database limit unlimited');

$defaultSettings = load_settings("");
assert_true($defaultSettings->alwaysEnabled(), 'always_enabled should default to enabled');
$defaultUser = make_da_user($defaultSettings, [], []);
assert_true($defaultUser->hasPluginAccess(), 'default always_enabled should grant access without custom package items');
assert_same(0, $defaultUser->maxDatabases(), 'default always_enabled should make database limit unlimited');

$legacySettings = load_settings("always_enabled=0\nMYSQL_PLUGIN_DEFAULT_DB_LIMIT=5\n");
assert_true(!$legacySettings->alwaysEnabled(), 'always_enabled=0 should disable automatic access');
$legacyUser = make_da_user($legacySettings, [
    'mysql_enabled' => 'no',
    'mysql' => '0',
], []);
assert_true(!$legacyUser->hasPluginAccess(), 'always_enabled=0 should preserve per-user access checks');
assert_same(0, $legacyUser->maxDatabases(), 'explicit mysql=0 remains zero in legacy mode');

echo "always_enabled_test: OK\n";