<?php
declare(strict_types=1);

require_once PLUGIN_ROOT . '/exec/lib/Settings.php';
require_once PLUGIN_ROOT . '/exec/lib/BackendRuntimeConfig.php';

test('backend runtime sync invokes backend script when setting changes', function (): void {
    $settingsPath = TEST_TMP . '/backend-runtime.conf';
    test_write($settingsPath, "GLOBAL_AUTORESPONDER_BACKEND=exim\n");
    $settings = Settings::load($settingsPath);

    $script = TEST_TMP . '/backend.sh';
    test_write($script, "#!/bin/sh\necho \"$1\" >> " . escapeshellarg(TEST_TMP . '/called.log') . "\nmkdir -p " . escapeshellarg(TEST_TMP . '/config') . "\nprintf '{\"active_backend\":\"%s\"}\\n' \"$1\" > " . escapeshellarg(TEST_TMP . '/config/backend-state.json') . "\n");
    chmod($script, 0700);

    BackendRuntimeConfig::sync($settings, $script, TEST_TMP . '/config/backend-state.json');
    assert_same("exim\n", file_get_contents(TEST_TMP . '/called.log'));

    BackendRuntimeConfig::sync($settings, $script, TEST_TMP . '/config/backend-state.json');
    assert_same("exim\n", file_get_contents(TEST_TMP . '/called.log'), 'Script should not run again when backend is already active');
});