<?php
declare(strict_types=1);

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

test('rule validator normalizes exact hour schedule', function (): void {
    $settingsPath = TEST_TMP . '/validator.conf';
    test_write($settingsPath, "GLOBAL_AUTORESPONDER_TIMEZONE=Europe/Warsaw\nGLOBAL_AUTORESPONDER_BACKEND=exim\n");
    $settings = Settings::load($settingsPath);
    $rule = RuleValidator::validate([
        'subject_prefix' => 'Urlop',
        'reply_frequency' => '120',
        'body' => "Dzień dobry\r\nWracam jutro",
        'start_value' => '2026-06-10T09:37',
        'end_value' => '2026-06-24T17:12',
        'enabled' => '1',
    ], $settings);

    assert_same('Urlop', $rule['subject_prefix']);
    assert_false($rule['reply_every_message']);
    assert_same(120, $rule['repeat_minutes']);
    assert_same("Dzień dobry\nWracam jutro", $rule['body']);
    assert_same('exact_hour', $rule['schedule_mode']);
    assert_same('2026-06-10T09:37', $rule['start_value']);
    assert_true($rule['start_ts'] < $rule['end_ts']);
});

test('rule validator accepts da period schedule when backend is da', function (): void {
    $settingsPath = TEST_TMP . '/validator-da.conf';
    test_write($settingsPath, "GLOBAL_AUTORESPONDER_BACKEND=da\n");
    $settings = Settings::load($settingsPath);
    $rule = RuleValidator::validate([
        'subject_prefix' => 'Urlop',
        'reply_frequency' => 'every',
        'body' => 'Body',
        'start_value' => '2026-06-10|morning',
        'end_value' => '2026-06-24|evening',
        'enabled' => '1',
    ], $settings);
    assert_same('directadmin_period', $rule['schedule_mode']);
    assert_true($rule['reply_every_message']);
    assert_same(0, $rule['repeat_minutes']);
});

test('rule validator rejects header injection and reversed dates', function (): void {
    $settings = Settings::load(TEST_TMP . '/missing.conf');
    try {
        RuleValidator::validate([
            'subject_prefix' => "Bad\nSubject",
            'body' => 'Body',
            'start_value' => '2026-06-24T17:00',
            'end_value' => '2026-06-10T09:00',
        ], $settings);
    } catch (InvalidArgumentException $e) {
        assert_contains('Przedrostek tematu', $e->getMessage());
        return;
    }
    throw new RuntimeException('Expected validation failure');
});

test('rule validator rejects unsupported response frequency', function (): void {
    $settings = Settings::load(TEST_TMP . '/missing-frequency.conf');
    try {
        RuleValidator::validate([
            'subject_prefix' => 'Urlop',
            'reply_frequency' => '45',
            'body' => 'Body',
            'start_value' => '2026-06-10|morning',
            'end_value' => '2026-06-24|evening',
        ], $settings);
    } catch (InvalidArgumentException $e) {
        assert_contains('Częstość odpowiedzi', $e->getMessage());
        return;
    }
    throw new RuntimeException('Expected invalid frequency to fail');
});

test('rule validator rejects start date before current date', function (): void {
    $settingsPath = TEST_TMP . '/validator-past.conf';
    test_write($settingsPath, "GLOBAL_AUTORESPONDER_TIMEZONE=Europe/Warsaw\nGLOBAL_AUTORESPONDER_BACKEND=exim\n");
    $settings = Settings::load($settingsPath);
    $tz = new DateTimeZone($settings->timezone());
    $yesterday = (new DateTimeImmutable('yesterday', $tz))->format('Y-m-d');
    $tomorrow = (new DateTimeImmutable('tomorrow', $tz))->format('Y-m-d');

    try {
        RuleValidator::validate([
            'subject_prefix' => 'Urlop',
            'reply_frequency' => '1440',
            'body' => 'Body',
            'start_value' => $yesterday . 'T09:00',
            'end_value' => $tomorrow . 'T17:00',
        ], $settings);
    } catch (InvalidArgumentException $e) {
        assert_contains('wcześniejsza niż aktualna', $e->getMessage());
        return;
    }
    throw new RuntimeException('Expected past start date to fail');
});