<?php
declare(strict_types=1);

define('PLUGIN_ROOT', dirname(__DIR__));
define('PROJECT_ROOT', dirname(PLUGIN_ROOT));
define('TEST_TMP', sys_get_temp_dir() . '/mail-login-tests-' . getmypid());

@mkdir(TEST_TMP, 0700, true);

$tests = [];

function test(string $name, callable $fn): void
{
    global $tests;
    $tests[] = [$name, $fn];
}

function assert_true(bool $condition, string $message = 'Expected true'): void
{
    if (!$condition) {
        throw new RuntimeException($message);
    }
}

function assert_false(bool $condition, string $message = 'Expected false'): void
{
    if ($condition) {
        throw new RuntimeException($message);
    }
}

function assert_same(mixed $expected, mixed $actual, string $message = ''): void
{
    if ($expected !== $actual) {
        throw new RuntimeException($message !== '' ? $message : 'Expected ' . var_export($expected, true) . ', got ' . var_export($actual, true));
    }
}

function assert_contains(string $needle, string $haystack, string $message = ''): void
{
    if (!str_contains($haystack, $needle)) {
        throw new RuntimeException($message !== '' ? $message : 'Missing text: ' . $needle);
    }
}

function assert_not_contains(string $needle, string $haystack, string $message = ''): void
{
    if (str_contains($haystack, $needle)) {
        throw new RuntimeException($message !== '' ? $message : 'Unexpected text: ' . $needle);
    }
}

function test_write(string $path, string $content): void
{
    $dir = dirname($path);
    if (!is_dir($dir)) {
        mkdir($dir, 0700, true);
    }
    file_put_contents($path, $content);
}

function test_rm_rf(string $path): void
{
    if (!is_dir($path) && !is_file($path)) {
        return;
    }
    if (is_file($path) || is_link($path)) {
        unlink($path);
        return;
    }
    $it = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS),
        RecursiveIteratorIterator::CHILD_FIRST
    );
    foreach ($it as $item) {
        $item->isDir() ? rmdir($item->getPathname()) : unlink($item->getPathname());
    }
    rmdir($path);
}

foreach (glob(__DIR__ . '/*_test.php') ?: [] as $file) {
    require $file;
}

$failures = 0;
foreach ($tests as [$name, $fn]) {
    try {
        $fn();
        echo "PASS {$name}\n";
    } catch (Throwable $e) {
        $failures++;
        echo "FAIL {$name}: " . $e->getMessage() . "\n";
    }
}

test_rm_rf(TEST_TMP);

if ($failures > 0) {
    exit(1);
}