<?php

declare(strict_types=1);

namespace App\Tests\Unit\Application\Storage;

use App\Domain\Storage\Repository\StoragePathRepositoryInterface;
use App\Domain\Storage\StoragePath;
use App\Infrastructure\Storage\LocalStorageManager;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

final class LocalStorageManagerTest extends TestCase
{
    private StoragePathRepositoryInterface&MockObject $repo;
    private LocalStorageManager $manager;
    private string $tmpFile;

    protected function setUp(): void
    {
        $this->repo = $this->createMock(StoragePathRepositoryInterface::class);
        $this->manager = new LocalStorageManager($this->repo);
        $this->tmpFile = sys_get_temp_dir().'/test-upload-'.uniqid().'.jpg';
        file_put_contents($this->tmpFile, str_repeat('x', 100));
    }

    protected function tearDown(): void
    {
        if (file_exists($this->tmpFile)) {
            unlink($this->tmpFile);
        }
    }

    public function test_store_picks_active_path_with_quota(): void
    {
        $path = new StoragePath('Main', sys_get_temp_dir().'/storage-test-'.uniqid(), 1_000_000, 10);
        mkdir($path->getBasePath(), recursive: true);

        $this->repo->expects($this->once())
            ->method('findActiveSortedByPriority')
            ->willReturn([$path]);

        $stored = $this->manager->store($this->tmpFile, 'photo.jpg');

        $this->assertSame($path->getId()->toRfc4122(), $stored->storagePath->getId()->toRfc4122());
        $this->assertStringEndsWith('.jpg', $stored->filename);
        $this->assertFileExists($path->getBasePath().'/'.$stored->filename);

        // cleanup
        unlink($path->getBasePath().'/'.$stored->filename);
        rmdir($path->getBasePath());
    }

    public function test_throws_when_no_active_path(): void
    {
        $this->repo->method('findActiveSortedByPriority')->willReturn([]);

        $this->expectException(\RuntimeException::class);
        $this->expectExceptionMessage('No active storage path');

        $this->manager->store($this->tmpFile, 'photo.jpg');
    }

    public function test_skips_full_path_and_uses_next(): void
    {
        $fullPath = new StoragePath('Full', sys_get_temp_dir().'/full-'.uniqid(), 50, 20);
        $okPath = new StoragePath('OK', sys_get_temp_dir().'/ok-'.uniqid(), 1_000_000, 10);
        mkdir($fullPath->getBasePath(), recursive: true);
        mkdir($okPath->getBasePath(), recursive: true);

        // fullPath quota (50 bytes) is less than file size (100 bytes) — skip it
        $this->repo->method('findActiveSortedByPriority')->willReturn([$fullPath, $okPath]);

        $stored = $this->manager->store($this->tmpFile, 'photo.jpg');

        $this->assertSame($okPath->getId()->toRfc4122(), $stored->storagePath->getId()->toRfc4122());

        unlink($okPath->getBasePath().'/'.$stored->filename);
        rmdir($fullPath->getBasePath());
        rmdir($okPath->getBasePath());
    }

    public function test_get_full_path(): void
    {
        $path = new StoragePath('Main', '/srv/storage', 1_000_000, 10);
        $this->assertSame('/srv/storage/photo.jpg', $this->manager->getFullPath($path, 'photo.jpg'));
    }
}