<?php

declare(strict_types=1);

namespace Tests\Unit\Services;

use App\Services\DiskSpaceMonitor;
use Illuminate\Support\Facades\Cache;
use Tests\TestCase;

class DiskSpaceMonitorTest extends TestCase
{
    public function testItWarnsWhenFreeSpaceIsBelowThreshold(): void
    {
        Cache::forget('disk_space_monitor.status');
        config([
            'app.disk_space_warning.path' => storage_path(),
            'app.disk_space_warning.threshold_bytes' => PHP_INT_MAX,
            'app.disk_space_warning.cache_seconds' => 300,
        ]);

        $status = app(DiskSpaceMonitor::class)->status();

        $this->assertTrue($status['warning']);
        $this->assertNotNull($status['free_bytes']);
    }

    public function testItDoesNotWarnWhenFreeSpaceIsAboveThreshold(): void
    {
        Cache::forget('disk_space_monitor.status');
        config([
            'app.disk_space_warning.path' => storage_path(),
            'app.disk_space_warning.threshold_bytes' => 1,
            'app.disk_space_warning.cache_seconds' => 300,
        ]);

        $status = app(DiskSpaceMonitor::class)->status();

        $this->assertFalse($status['warning']);
        $this->assertNotNull($status['free_bytes']);
    }

    public function testItFormatsBytes(): void
    {
        $monitor = new DiskSpaceMonitor();

        $this->assertSame('1 ГБ', $monitor->formatBytes(1024 * 1024 * 1024));
        $this->assertSame('неизвестно', $monitor->formatBytes(null));
    }
}