<?php

namespace Tests\Feature;

use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use Modules\DocumentManagement\Models\Document;
use Modules\DocumentManagement\Models\DocumentCategory;
use Spatie\Permission\Models\Permission;
use Tests\TestCase;

class DocumentMediaPreviewTest extends TestCase
{
    use RefreshDatabase;

    protected User $user;
    protected DocumentCategory $category;

    protected function setUp(): void
    {
        parent::setUp();

        Storage::fake('local');

        $this->user = User::factory()->create(['status' => 'active']);
        Permission::firstOrCreate(['name' => 'documents.access', 'guard_name' => 'web']);
        $this->user->givePermissionTo('documents.access');
        $this->category = DocumentCategory::create(['name' => 'Test Documents']);
    }

    public function test_pdf_upload_is_stored_and_available_as_inline_preview(): void
    {
        $document = $this->upload('plan.pdf', 'application/pdf');

        $response = $this->actingAs($this->user)->get(route('documents.preview', $document));

        $response->assertOk();
        $response->assertHeader('Content-Type', 'application/pdf');
        $response->assertHeader('Content-Disposition', 'inline; filename="plan.pdf"');
        Storage::disk('local')->assertExists($document->current_file_path);
    }

    public function test_image_upload_is_rejected_by_pdf_only_policy(): void
    {
        $file = UploadedFile::fake()->create('site-photo.jpg', 100, 'image/jpeg');

        $response = $this->actingAs($this->user)
            ->from(route('documents.index'))
            ->post(route('documents.upload'), [
                'title' => 'Site Photo',
                'category_id' => $this->category->id,
                'description' => 'Media preview test file',
                'file' => $file,
            ]);

        $response->assertSessionHasErrors(['file']);
    }

    public function test_docx_upload_is_rejected_by_pdf_only_policy(): void
    {
        $file = UploadedFile::fake()->create('specification.docx', 10, 'application/vnd.openxmlformats-officedocument.wordprocessingml.document');

        $response = $this->actingAs($this->user)
            ->from(route('documents.index'))
            ->post(route('documents.upload'), [
                'title' => 'Specification',
                'category_id' => $this->category->id,
                'description' => 'Media preview test file',
                'file' => $file,
            ]);

        $response->assertSessionHasErrors(['file']);
    }

    public function test_valid_docx_is_rendered_as_html_preview(): void
    {
        $path = tempnam(sys_get_temp_dir(), 'document-preview-');
        $archive = new \ZipArchive();
        $archive->open($path, \ZipArchive::CREATE);
        $archive->addFromString('word/document.xml', '<w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"><w:body><w:p><w:r><w:t>Previewable document content</w:t></w:r></w:p><w:tbl><w:tr><w:tc><w:p><w:r><w:t>Header</w:t></w:r></w:p></w:tc><w:tc><w:p><w:r><w:t>Value</w:t></w:r></w:p></w:tc></w:tr></w:tbl></w:body></w:document>');
        $archive->close();

        $storedPath = 'documents/contracts/previewable.docx';
        Storage::disk('local')->put($storedPath, file_get_contents($path));
        unlink($path);

        $document = Document::create([
            'title' => 'Previewable DOCX',
            'category_id' => $this->category->id,
            'status' => 'Approved',
            'uploaded_by' => $this->user->id,
            'current_file_path' => $storedPath,
            'current_file_name' => 'previewable.docx',
            'mime_type' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'file_size' => Storage::disk('local')->size($storedPath),
            'version_count' => 1,
        ]);

        $this->actingAs($this->user)
            ->get(route('documents.preview', $document))
            ->assertOk()
            ->assertHeader('Content-Type', 'text/html; charset=UTF-8')
            ->assertSee('Previewable document content')
            ->assertSee('<table>', false)
            ->assertSee('Header')
            ->assertSee('Value')
            ->assertSee('width:8.5in');
    }

    public function test_existing_public_disk_pdf_is_available_as_inline_preview(): void
    {
        Storage::fake('public');
        $path = 'bid-submissions/legacy-submission.pdf';
        Storage::disk('public')->put($path, '%PDF-1.4 legacy test file');

        $document = Document::create([
            'title' => 'Legacy Bid Submission',
            'category_id' => $this->category->id,
            'status' => 'Approved',
            'uploaded_by' => $this->user->id,
            'current_file_path' => $path,
            'current_file_name' => 'legacy-submission.pdf',
            'mime_type' => 'application/pdf',
            'file_size' => 24,
            'version_count' => 1,
        ]);

        $this->actingAs($this->user)
            ->get(route('documents.preview', $document))
            ->assertOk()
            ->assertHeader('Content-Type', 'application/pdf');
    }

    private function upload(string $name, string $mimeType): Document
    {
        return $this->uploadFile(UploadedFile::fake()->create($name, 10, $mimeType));
    }

    private function uploadFile(UploadedFile $file): Document
    {
        $this->actingAs($this->user)
            ->from(route('documents.index'))
            ->post(route('documents.upload'), [
                'title' => pathinfo($file->getClientOriginalName(), PATHINFO_FILENAME),
                'category_id' => $this->category->id,
                'description' => 'Media preview test file',
                'file' => $file,
            ])
            ->assertRedirect(route('documents.index'));

        return Document::query()->latest('id')->firstOrFail();
    }
}