<?php

namespace Tests\Feature;

use App\Http\Controllers\Api\v1\FreenodeController;
use Carbon\CarbonImmutable;
use Illuminate\Http\Request;
use Mockery;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\PreserveGlobalState;
use PHPUnit\Framework\Attributes\RunInSeparateProcess;
use Tests\TestCase;

class FreenodeDateTest extends TestCase
{
    public static function receivingTimes(): array
    {
        return [
            'before Beijing midnight' => ['2026-10-21T15:59:59Z', '20261021'],
            'Beijing midnight' => ['2026-10-21T16:00:00Z', '20261022'],
            'midnight scheduled delivery' => ['2026-10-21T16:15:00Z', '20261022'],
            'morning scheduled delivery' => ['2026-10-21T22:15:00Z', '20261022'],
            'noon scheduled delivery' => ['2026-10-22T04:15:00Z', '20261022'],
        ];
    }

    #[DataProvider('receivingTimes')]
    #[RunInSeparateProcess]
    #[PreserveGlobalState(false)]
    public function testReceiverWritesAllFormatsUnderBeijingDate(string $instant, string $date): void
    {
        $previousDirectory = getcwd();
        $previousTimezone = date_default_timezone_get();
        $directory = sys_get_temp_dir().'/nodehub-date-test-'.bin2hex(random_bytes(6));
        mkdir($directory, 0700);

        // Keep the real controller and filesystem, but never send Telegram in a test.
        $telegram = Mockery::mock('alias:App\Services\TomTool\Telegram\Slave');
        $telegram->shouldReceive('log')->once()->andReturnSelf();
        $telegram->shouldReceive('enableDetail')->with(false)->once()->andReturnSelf();
        $telegram->shouldReceive('send')->once();

        try {
            config(['app.timezone' => 'UTC', 'app.is_loc' => true]);
            date_default_timezone_set('UTC');
            CarbonImmutable::setTestNow(new CarbonImmutable($instant));
            chdir($directory);
            $raw = ['v2ray' => 'fixture-uri', 'clash' => 'fixture-clash', 'singbox' => 'fixture-singbox'];
            $request = Request::create('/api/freenode/file/put', 'POST', ['site_code_short' => 'cfn', 'raw' => $raw]);
            $response = (new FreenodeController())->filePut($request);

            self::assertTrue($response->getData(true)['isDone']);
            $token = substr(hash_hmac('sha256', $date.'nodes', 'wocaonide'), 0, 16);
            foreach ($raw as $format => $content) {
                $extension = $format === 'clash' ? '.yaml' : '.txt';
                self::assertSame($content, file_get_contents($directory.'/cfn/'.$token.'/'.$date.'-'.$format.$extension));
            }
            self::assertCount(3, glob($directory.'/cfn/*/*'));
            self::assertSame('UTC', date_default_timezone_get());
            self::assertSame('UTC', config('app.timezone'));
        } finally {
            CarbonImmutable::setTestNow();
            date_default_timezone_set($previousTimezone);
            chdir($previousDirectory);
            $files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($directory, \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::CHILD_FIRST);
            foreach ($files as $file) {
                $file->isDir() ? rmdir($file->getPathname()) : unlink($file->getPathname());
            }
            rmdir($directory);
            Mockery::close();
        }
    }
}