<?php
/*************************************************************
# 076 License

Copyright (c) テクニカル諏訪子

Permission is hereby granted to any person obtaining a copy of the software
Little Beast (the "Software") to use, modify, merge, copy, publish, distribute,
sublicense, and/or sell copies of the Software, subject to the following conditions:

    1. **Origin Attribution**:
       - You must not misrepresent the origin of the Software; you must not claim
         you created the original Software.
       - If the Software is used in a product, you must either:
         a. Provide clear attribution in the product's documentation, user interface,
            or other visible areas, **OR**
         b. Pay the original developers a fee they specify in writing.
    2. **Usage Restriction**:
       - The Software, or any derivative works, dependencies, or libraries
         incorporating it, must not be used for censorship or to suppress freedom of
         speech, expression, or creativity. Prohibited uses include, but are not
         limited to:
         - Censorship of so-called "hate speech", visuals, non-mainstream opinions,
           ideas, or objective reality.
         - Tools or systems designed to restrict access to information or
           artistic works.
    3. **Notice Preservation**:
       - This license and the above copyright notice must remain intact in all copies
         of the source code.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
namespace Std\Test;

require_once __DIR__.'/../../../autoload.php';

use Std\Lib\Tester;
use Std\Lib\Activitypub;
use Std\Lib\Crypto\Rsa;
use Std\Lib\Cron;
use Std\Lib\CronTab;

$test = new Tester([
  'colorOutput' => true,
  'verboseOutput' => true
]);

// テスト毎の一時ディレクトリ（最後に削除する）
$tmpDirs = [];
$tmp = function() use (&$tmpDirs): string {
  $dir = sys_get_temp_dir().'/lbcron_'.bin2hex(random_bytes(6));
  mkdir($dir, 0700, true);
  return $tmpDirs[] = $dir;
};
$at = fn(string $s) => new \DateTimeImmutable($s);
$next = fn(string $line, string $after) => CronTab::fromString($line)->nextRun(new \DateTimeImmutable($after))?->format('Y-m-d H:i');

$test->describe('CronTabの解析', function($test): void {
  $test->it('5項目とタスク名を解析出来るはず', function($test): void {
    $ct = CronTab::fromString('*/5  2 * * 1-5   apfederate');
    $test->assertEquals('*/5 2 * * 1-5', $ct->expression());
    $test->assertEquals('apfederate', $ct->command);
    $test->assertTrue($ct->isActive);
    $test->assertNull($ct->validate());
  });

  $test->it('マクロを展開出来るはず', function($test): void {
    $test->assertEquals('0 0 * * *', CronTab::fromString('@daily x')->expression());
    $test->assertEquals('0 * * * *', CronTab::fromString('@HOURLY x')->expression());
    $test->assertEquals('0 0 1 1 *', CronTab::fromString('@annually x')->expression());
  });

  $test->it('形式が不正なら例外を投げるはず', function($test): void {
    $test->assertThrows(fn() => CronTab::fromString('* * * * apfederate'), \InvalidArgumentException::class);
    $test->assertThrows(fn() => CronTab::fromString('@often apfederate'), \InvalidArgumentException::class);
  });

  $test->it('不正な値を検出するはず', function($test): void {
    $test->assertStringContains('範囲外', CronTab::fromString('61 * * * * x')->validate() ?? '');
    $test->assertStringContains('間隔', CronTab::fromString('*/0 * * * * x')->validate() ?? '');
    $test->assertStringContains('逆', CronTab::fromString('* 5-1 * * * x')->validate() ?? '');
    $test->assertStringContains('不正', CronTab::fromString('* * * foo * x')->validate() ?? '');
    $test->assertStringContains('タスク名', CronTab::fromString('* * * * * rm;-rf')->validate() ?? '');
  });

  $test->it('配列に変換して戻せるはず', function($test): void {
    $ct = CronTab::fromString('0 3 * * sun backup', false);
    $ct->setId(7);
    $ct->lastRun = 1700000000;
    $copy = CronTab::fromArray($ct->toArray());
    $test->assertEquals($ct->toArray(), $copy->toArray());
    $test->assertEquals(7, $copy->getId());
    $test->assertFalse($copy->isActive);
  });
});

$test->describe('CronTabの予定', function($test) use ($at, $next): void {
  $test->it('isDueは分単位で判断するはず', function($test) use ($at): void {
    $ct = CronTab::fromString('*/15 10 * * * x');
    $test->assertTrue($ct->isDue($at('2026-01-05 10:30')));
    $test->assertFalse($ct->isDue($at('2026-01-05 10:31')));
    $test->assertFalse($ct->isDue($at('2026-01-05 11:30')));
  });

  $test->it('次の実行時刻を計算出来るはず', function($test) use ($next): void {
    $test->assertEquals('2026-01-05 10:45', $next('*/15 * * * * x', '2026-01-05 10:31'));
    // 同じ分は含まない
    $test->assertEquals('2026-01-05 10:45', $next('*/15 * * * * x', '2026-01-05 10:30'));
    // 「5/20」は5, 25, 45
    $test->assertEquals('2026-01-05 10:45', $next('5/20 * * * * x', '2026-01-05 10:26'));
    // 金曜日の後は月曜日
    $test->assertEquals('2026-01-12 09:00', $next('0 9 * * mon-fri x', '2026-01-09 10:00'));
    // 曜日の7も日曜日
    $test->assertEquals('2026-01-11 00:00', $next('0 0 * * 7 x', '2026-01-09 10:00'));
    // 月の名前
    $test->assertEquals('2026-07-01 00:00', $next('0 0 1 jan,jul * x', '2026-02-01 00:00'));
  });

  $test->it('日と曜日の両方を指定したらどちらかに合えば実行するはず', function($test) use ($next): void {
    // 2026-02-06は金曜日、13日も金曜日
    $test->assertEquals('2026-02-06 00:00', $next('0 0 13 * fri x', '2026-02-01 00:00'));
    // 片方が「*」なら両方に合う事
    $test->assertEquals('2026-02-13 00:00', $next('0 0 13 * * x', '2026-02-01 00:00'));
  });

  $test->it('閏年と存在しない日を扱えるはず', function($test) use ($next): void {
    $test->assertEquals('2028-02-29 00:00', $next('0 0 29 2 * x', '2026-03-01 00:00'));
    $test->assertNull($next('0 0 30 2 * x', '2026-03-01 00:00'));
  });
});

$test->describe('Cronのジョブ管理', function($test) use ($tmp): void {
  if (!CRON_ENABLED) {
    $test->skipAll('CRON_ENABLEDが無効');
  }

  $cron = CRON_ENABLED ? new Cron($tmp()) : null;

  $test->it('ジョブを追加出来るはず', function($test) use ($cron): void {
    $res = $cron->add(CronTab::fromString('0 2 15 6 * apfederate'));
    $test->assertTrue($res->isSuccess);
    $test->assertEquals([
      'id' => 1,
      'isActive' => true,
      'minute' => '0',
      'hour' => '2',
      'dayOfMonth' => '15',
      'month' => '6',
      'dayOfWeek' => '*',
      'command' => 'apfederate',
      'lastRun' => null,
      'lastError' => null,
    ], $res->data);
    $test->assertEquals(2, $cron->add(CronTab::fromString('@daily other'))->data['id']);
  });

  $test->it('不正なジョブは追加しないはず', function($test) use ($cron): void {
    $res = $cron->add(CronTab::fromString('99 * * * * x'));
    $test->assertFalse($res->isSuccess);
    $test->assertCount(2, $cron->list()->data);
  });

  $test->it('ジョブを表示・変更出来るはず', function($test) use ($cron): void {
    $test->assertEquals('apfederate', $cron->show(1)->data['command']);
    $test->assertFalse($cron->show(99)->isSuccess);

    $res = $cron->edit(1, CronTab::fromString('0 7 15 6 * apfederate'));
    $test->assertTrue($res->isSuccess);
    $test->assertEquals('7', $res->data['hour']);
    $test->assertEquals('7', $cron->show(1)->data['hour']);
  });

  $test->it('ジョブを有効・無効に出来るはず', function($test) use ($cron): void {
    $test->assertFalse($cron->toggle(1)->data['isActive']);
    $test->assertTrue($cron->enable(1)->data['isActive']);
    $test->assertFalse($cron->disable(1)->data['isActive']);
  });

  $test->it('ジョブを削除出来るはず', function($test) use ($cron): void {
    $res = $cron->delete(1);
    $test->assertTrue($res->isSuccess);
    $test->assertEquals(1, $res->data['id']);
    $test->assertEquals([2], array_column($cron->list()->data, 'id'));
    $test->assertFalse($cron->delete(1)->isSuccess);
    $test->assertEquals(3, $cron->add(CronTab::fromString('@hourly x'))->data['id']);
  });
});

$test->describe('Cronの実行', function($test) use ($tmp, $at): void {
  if (!CRON_ENABLED) {
    $test->skipAll('CRON_ENABLEDが無効');
  }

  $dir = CRON_ENABLED ? $tmp() : '';
  $count = ['every5' => 0, 'hourly' => 0];
  $cron = CRON_ENABLED ? new Cron($dir) : null;
  if ($cron) {
    $cron->register('every5', function() use (&$count) { $count['every5']++; });
    $cron->register('hourly', function() use (&$count) { $count['hourly']++; return \Result::Success('毎時'); });
    $cron->register('boom', function() { throw new \RuntimeException('壊れた'); });
    $cron->register('nope', fn() => false);
    $cron->add(CronTab::fromString('*/5 * * * * every5'));
    $cron->add(CronTab::fromString('0 * * * * hourly'));
  }

  $test->it('予定の来たジョブだけを実行するはず', function($test) use ($cron, $at, &$count): void {
    $test->assertEquals([], $cron->run($at('2026-01-05 09:58'))->data['ran']);
    $test->assertEquals([], $cron->run($at('2026-01-05 09:59'))->data['ran']);

    $res = $cron->run($at('2026-01-05 10:00'));
    $test->assertEquals([1, 2], array_keys($res->data['ran']));
    $test->assertEquals('毎時', $res->data['ran'][2]);
    $test->assertEquals(['every5' => 1, 'hourly' => 1], $count);

    $test->assertEquals([], $cron->run($at('2026-01-05 10:01'))->data['ran']);
    $test->assertEquals([1], array_keys($cron->run($at('2026-01-05 10:05'))->data['ran']));
    $test->assertEquals($at('2026-01-05 10:05')->getTimestamp(), $cron->show(1)->data['lastRun']);
  });

  $test->it('同じ分に2回実行しないはず', function($test) use ($cron, $at, &$count): void {
    $res = $cron->run($at('2026-01-05 10:05'));
    $test->assertEquals('この分は実行済みです。', $res->message);
    $test->assertEquals(2, $count['every5']);
  });

  $test->it('止まっていた間の分は1回だけ実行するはず', function($test) use ($cron, $at, &$count): void {
    // 10:10〜10:35の間に6回予定があったが、1回だけ
    $res = $cron->run($at('2026-01-05 10:35'));
    $test->assertEquals([1], array_keys($res->data['ran']));
    $test->assertEquals(3, $count['every5']);
  });

  $test->it('長く止まっていても各ジョブは1回だけ実行するはず', function($test) use ($cron, $at, &$count): void {
    // 10:35から12:30まで（11:00と12:00の予定があった）。遡るのはCATCH_UP（1時間）まで
    $res = $cron->run($at('2026-01-05 12:30'));
    $test->assertEquals([1, 2], array_keys($res->data['ran']));
    $test->assertEquals(['every5' => 4, 'hourly' => 2], $count);
  });

  $test->it('無効なジョブは実行しないはず', function($test) use ($cron, $at, &$count): void {
    $cron->disable(1);
    $test->assertEquals([], $cron->run($at('2026-01-05 12:35'))->data['ran']);
    $cron->enable(1);
  });

  $test->it('失敗を記録するはず', function($test) use ($cron, $at): void {
    $a = $cron->add(CronTab::fromString('* * * * * boom'))->data['id'];
    $b = $cron->add(CronTab::fromString('* * * * * nope'))->data['id'];
    $c = $cron->add(CronTab::fromString('* * * * * missing'))->data['id'];

    $res = $cron->run($at('2026-01-05 12:36'));
    $test->assertTrue($res->isSuccess);
    $test->assertEquals([$a, $b, $c], array_keys($res->data['failed']));
    $test->assertStringContains('壊れた', $cron->show($a)->data['lastError']);
    $test->assertEquals('失敗', $cron->show($b)->data['lastError']);
    $test->assertStringContains('登録されていません', $cron->show($c)->data['lastError']);

    foreach ([$a, $b, $c] as $id) $cron->delete($id);
  });

  $test->it('前の実行が終わっていなければ何もしないはず', function($test) use ($cron, $at, $dir): void {
    $fp = fopen("{$dir}/run.lock", 'c');
    flock($fp, LOCK_EX);
    $res = $cron->run($at('2026-01-05 12:40'));
    flock($fp, LOCK_UN);
    fclose($fp);

    $test->assertTrue($res->isSuccess);
    $test->assertTrue($res->data['busy'] ?? false);
    $test->assertEquals([1], array_keys($cron->run($at('2026-01-05 12:40'))->data['ran']));
  });

  $test->it('予定に関係なく今すぐ実行出来るはず', function($test) use ($cron, &$count): void {
    $res = $cron->runNow(2);
    $test->assertTrue($res->isSuccess);
    $test->assertEquals(3, $count['hourly']);
    $test->assertFalse($cron->runNow(99)->isSuccess);
  });
});

$test->describe('ActivityPubの連合（apfederate）', function($test) use ($tmp): void {
  if (!ACTIVITYPUB_ENABLED) {
    $test->skipAll('ACTIVITYPUB_ENABLEDが無効');
  } else if (PHP_SAPI === 'cli' && empty(FEDIINFO['domain'])) {
    $test->skipAll('FEDIINFOの「domain」が未設定');
  }

  // 受付ボックスの取得と送信だけを偽物にする
  $make = fn(array $posts, array $inboxes) => new class($posts, $inboxes) extends Activitypub {
    public array $sent = [];
    public array $fail = [];
    public function __construct(array $posts, private array $inboxes) {
      parent::__construct($posts);
    }
    protected function followerInboxes(): array {
      return $this->inboxes;
    }
    protected function sendActivity(string $inboxUrl, array $activity): bool {
      if (in_array($inboxUrl, $this->fail, true)) return false;
      $this->sent[] = $inboxUrl.' '.basename($activity['object']['id']);
      return true;
    }
    public function sign(string $url, string $body, Rsa $key): ?array {
      return $this->signRequest($url, $body, $key);
    }
  };
  $post = fn(string $uuid, string $date, array $extra = []) => $extra + [
    'title' => "投稿{$uuid}", 'date' => $date, 'thumbnail' => '', 'category' => [],
    'uuid' => $uuid, 'preview' => 'a & b', 'slug' => "post-{$uuid}",
  ];
  $inboxes = ['https://a.example/inbox', 'https://b.example/inbox'];
  $state = ACTIVITYPUB_ENABLED ? $tmp().'/ap_federated.json' : '';
  $read = fn() => json_decode(file_get_contents($state), true);
  $posts = [$post('old1', '2025-01-01 10:00'), $post('old2', '2025-02-01 10:00')];

  $test->it('初回は既存の投稿を記録するだけのはず', function($test) use ($make, $posts, $inboxes, $state, $read): void {
    $ap = $make($posts, $inboxes);
    $res = $ap->federate($state);
    $test->assertTrue($res->isSuccess);
    $test->assertStringContains('初回', $res->message);
    $test->assertEquals([], $ap->sent);
    $test->assertEquals(['old1', 'old2'], array_keys($read()['sent']));
  });

  $test->it('新しい公開投稿だけを古い順に送信するはず', function($test) use ($make, $post, &$posts, $inboxes, $state, $read): void {
    $posts[] = $post('new2', '2026-01-02 10:00');
    $posts[] = $post('new1', '2026-01-01 10:00');
    $posts[] = $post('member', '2026-01-03 10:00', ['category' => ['tech', 'memberonly']]);
    $posts[] = $post('locked', '2026-01-03 10:00', ['preview' => '未許可']);
    $posts[] = $post('', '2026-01-03 10:00');
    $posts[] = $post('future', date('Y-m-d H:i:s', time() + 86400));

    $ap = $make($posts, $inboxes);
    $res = $ap->federate($state);
    $test->assertTrue($res->isSuccess);
    $test->assertEquals(['posts' => 2, 'delivered' => 4, 'failed' => 0], $res->data);
    $test->assertEquals([
      'https://a.example/inbox new1', 'https://b.example/inbox new1',
      'https://a.example/inbox new2', 'https://b.example/inbox new2',
    ], $ap->sent);

    $s = $read();
    $test->assertEquals(['old1', 'old2', 'new1', 'new2'], array_keys($s['sent']));
    $test->assertEquals([], $s['pending']);
  });

  $test->it('送信済みの投稿は2回送らないはず', function($test) use ($make, &$posts, $inboxes, $state): void {
    $ap = $make($posts, $inboxes);
    $res = $ap->federate($state);
    $test->assertEquals('新しい投稿はありません。', $res->message);
    $test->assertEquals([], $ap->sent);
  });

  $test->it('失敗した受付ボックスだけを再試行するはず', function($test) use ($make, $post, &$posts, $inboxes, $state, $read): void {
    $posts[] = $post('retry', '2026-01-04 10:00');

    $ap = $make($posts, $inboxes);
    $ap->fail = ['https://b.example/inbox'];
    $res = $ap->federate($state);
    $test->assertTrue($res->isSuccess);
    $test->assertEquals(['posts' => 0, 'delivered' => 1, 'failed' => 1], $res->data);
    $test->assertEquals(['inboxes' => ['https://b.example/inbox'], 'tries' => 1], $read()['pending']['retry']);

    $ap = $make($posts, $inboxes);
    $res = $ap->federate($state);
    $test->assertEquals(['https://b.example/inbox retry'], $ap->sent);
    $test->assertEquals(['posts' => 1, 'delivered' => 1, 'failed' => 0], $res->data);
    $test->assertArrayHasKey('retry', $read()['sent']);
  });

  $test->it('FEDERATE_MAX_TRIES回失敗したら諦めるはず', function($test) use ($make, $post, &$posts, $inboxes, $state, $read): void {
    $posts[] = $post('down', '2026-01-05 10:00');

    for ($i = 1; $i <= Activitypub::FEDERATE_MAX_TRIES; $i++) {
      $ap = $make($posts, $inboxes);
      $ap->fail = $inboxes;
      $res = $ap->federate($state);
      $test->assertFalse($res->isSuccess, "{$i}回目は全部失敗なのでエラーのはず");
    }
    $test->assertEquals([], $read()['pending']);
    $test->assertArrayHasKey('down', $read()['sent']);
  });

  $test->it('送信待ちの間に非公開になった投稿は送らないはず', function($test) use ($make, $post, &$posts, $inboxes, $state, $read): void {
    $posts[] = $post('hidden', '2026-01-06 10:00');
    $ap = $make($posts, $inboxes);
    $ap->fail = $inboxes;
    $ap->federate($state);
    $test->assertArrayHasKey('hidden', $read()['pending']);

    array_pop($posts);
    $posts[] = $post('hidden', '2026-01-06 10:00', ['category' => ['staffonly']]);
    $ap = $make($posts, $inboxes);
    $ap->federate($state);
    $test->assertEquals([], $ap->sent);
    $test->assertEquals([], $read()['pending']);
  });

  $test->it('Createアクティビティを正しく作るはず', function($test) use ($make, $post): void {
    $p = $post('x1', '2026-01-01 09:00', ['category' => ['php']]);
    $ap = $make([$p], []);
    $a = json_decode($ap->getActivity('x1'), true);

    $test->assertEquals('Create', $a['type']);
    $test->assertEquals(gmdate('Y-m-d\TH:i:s\Z', strtotime('2026-01-01 09:00')), $a['published']);
    $test->assertStringContains('a &amp; b', $a['object']['content']);
    $test->assertEquals([['type' => 'Hashtag', 'name' => '#php']], $a['object']['tag']);
    $test->assertStringContains('/blog/post-x1', $a['object']['url']);
  });

  $test->it('ブログ毎に違うIDで送信し、後から追加したブログの既存の投稿は送らないはず', function($test) use ($make, $post, &$posts, $inboxes, $state, $read): void {
    // 設定に無いブログ（testblog）は、初めて見た時に既存の投稿を送信済みにする
    $posts[] = $post('tb1', '2026-01-07 10:00', ['section' => 'testblog']);
    $ap = $make($posts, $inboxes);
    $ap->federate($state);
    $test->assertEquals([], $ap->sent);
    $test->assertArrayHasKey('testblog/tb1', $read()['sent']);
    $test->assertTrue(in_array('testblog', $read()['sections'], true));

    // 同じUUID（翻訳）でもblogとは別の投稿
    $posts[] = $post('down', '2026-01-08 10:00', ['section' => 'testblog']);
    $ap = $make($posts, $inboxes);
    $res = $ap->federate($state);
    $test->assertEquals(['posts' => 1, 'delivered' => 2, 'failed' => 0], $res->data);
    $test->assertArrayHasKey('testblog/down', $read()['sent']);

    $a = json_decode($ap->getActivity('down', 'testblog'), true);
    $test->assertStringContains('/ap/activities/create/testblog/down', $a['id']);
    $test->assertStringContains('/ap/objects/testblog/down', $a['object']['id']);
    $test->assertStringContains('/testblog/post-down', $a['object']['url']);
    $test->assertStringContains('/blog/post-down', json_decode($ap->getActivity('down'), true)['object']['url']);
    $test->assertEquals('', $ap->getObject('tb1'), 'blogには無い');
  });

  $test->it('(request-target)を含めて署名するはず', function($test) use ($make): void {
    $key = Rsa::generate(2048);

    $ap = $make([], []);
    $body = '{"type":"Create"}';
    $list = $ap->sign('https://a.example:443/users/x/inbox?y=1', $body, $key);
    $test->assertNotNull($list);

    $h = [];
    foreach ($list as $line) {
      [$k, $v] = explode(': ', $line, 2);
      $h[$k] = $v;
    }
    $test->assertEquals('a.example', $h['Host']);
    $test->assertEquals('SHA-256='.base64_encode(hash('sha256', $body, true)), $h['Digest']);
    $test->assertStringContains('headers="(request-target) host date digest"', $h['Signature']);

    preg_match('/signature="([^"]+)"/', $h['Signature'], $m);
    $signed = "(request-target): post /users/x/inbox?y=1\nhost: {$h['Host']}\ndate: {$h['Date']}\ndigest: {$h['Digest']}";
    $test->assertTrue(Rsa::fromPem($key->publicPem())->verify($signed, base64_decode($m[1])));
  });
});

// 一時ディレクトリを削除する
foreach ($tmpDirs as $dir) {
  foreach (glob("{$dir}/*") ?: [] as $f) @unlink($f);
  @rmdir($dir);
}

$test->printSummary();