<?php

namespace Tests\Feature\Document;

use App\Http\Middleware\VerifyCsrfToken;
use App\Models\Document;
use App\Models\DocumentCategory;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;
use Tests\Traits\SeedsRolesAndPermissions;

/**
 * Document Tests
 *
 * Tests document management functionality.
 */
class DocumentTest extends TestCase
{
    use RefreshDatabase, SeedsRolesAndPermissions;

    protected User $admin;

    protected function setUp(): void
    {
        parent::setUp();
        Storage::fake('private');
        $this->seedRolesAndPermissions();
        $this->admin = $this->createAdmin();
    }

    /**
     * Test can view documents list
     */
    public function test_can_view_documents_list(): void
    {
        $response = $this->actingAs($this->admin)->get(
            route('admin.documents.index')
        );

        $response->assertStatus(200);
    }

    /**
     * Test can upload document
     */
    public function test_can_upload_document(): void
    {
        $category = DocumentCategory::factory()->create();
        $file = UploadedFile::fake()->create('test.pdf', 1024);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($this->admin)
            ->post(route('admin.documents.store'), [
                'title' => '測試文件',
                'description' => '這是測試文件',
                'document_category_id' => $category->id,
                'access_level' => 'admin',
                'file' => $file,
            ]);

        $response->assertRedirect();
        $this->assertDatabaseHas('documents', ['title' => '測試文件']);
    }

    /**
     * Test can view document details
     */
    public function test_can_view_document_details(): void
    {
        $category = DocumentCategory::factory()->create();
        $document = Document::factory()->create([
            'created_by_user_id' => $this->admin->id,
            'document_category_id' => $category->id,
        ]);

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

        $response->assertStatus(200);
    }

    /**
     * Test can update document
     */
    public function test_can_update_document(): void
    {
        $category = DocumentCategory::factory()->create();
        $document = Document::factory()->create([
            'created_by_user_id' => $this->admin->id,
            'document_category_id' => $category->id,
            'title' => '原始標題',
            'access_level' => 'admin',
        ]);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($this->admin)
            ->patch(route('admin.documents.update', $document), [
                'title' => '更新後標題',
                'document_category_id' => $category->id,
                'access_level' => 'admin',
            ]);

        $document->refresh();
        $this->assertEquals('更新後標題', $document->title);
    }

    /**
     * Test can delete document
     */
    public function test_can_delete_document(): void
    {
        $category = DocumentCategory::factory()->create();
        $document = Document::factory()->create([
            'created_by_user_id' => $this->admin->id,
            'document_category_id' => $category->id,
        ]);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($this->admin)
            ->delete(route('admin.documents.destroy', $document));

        $response->assertRedirect();
        $this->assertSoftDeleted('documents', ['id' => $document->id]);
    }

    /**
     * Test document requires title
     */
    public function test_document_requires_title(): void
    {
        $category = DocumentCategory::factory()->create();
        $file = UploadedFile::fake()->create('test.pdf', 1024);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($this->admin)
            ->post(route('admin.documents.store'), [
                'description' => '這是測試文件',
                'document_category_id' => $category->id,
                'access_level' => 'admin',
                'file' => $file,
            ]);

        $response->assertSessionHasErrors('title');
    }

    /**
     * Test document requires category
     */
    public function test_document_requires_category(): void
    {
        $file = UploadedFile::fake()->create('test.pdf', 1024);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($this->admin)
            ->post(route('admin.documents.store'), [
                'title' => '測試文件',
                'description' => '這是測試文件',
                'access_level' => 'admin',
                'file' => $file,
            ]);

        $response->assertSessionHasErrors('document_category_id');
    }

    /**
     * Test document category filter
     */
    public function test_document_category_filter(): void
    {
        $category1 = DocumentCategory::factory()->create(['name' => '會議紀錄']);
        $category2 = DocumentCategory::factory()->create(['name' => '財務報表']);

        Document::factory()->create([
            'created_by_user_id' => $this->admin->id,
            'document_category_id' => $category1->id,
            'title' => '文件A',
        ]);

        Document::factory()->create([
            'created_by_user_id' => $this->admin->id,
            'document_category_id' => $category2->id,
            'title' => '文件B',
        ]);

        $response = $this->actingAs($this->admin)->get(
            route('admin.documents.index', ['category' => $category1->id])
        );

        $response->assertStatus(200);
        $response->assertSee('文件A');
    }

    /**
     * Test document search
     */
    public function test_document_search(): void
    {
        $category = DocumentCategory::factory()->create();
        Document::factory()->create([
            'created_by_user_id' => $this->admin->id,
            'document_category_id' => $category->id,
            'title' => '重要會議紀錄',
        ]);

        $response = $this->actingAs($this->admin)->get(
            route('admin.documents.index', ['search' => '重要會議'])
        );

        $response->assertStatus(200);
        $response->assertSee('重要會議紀錄');
    }

    /**
     * Test document version upload
     */
    public function test_document_version_upload(): void
    {
        $category = DocumentCategory::factory()->create();
        $document = Document::factory()->create([
            'created_by_user_id' => $this->admin->id,
            'document_category_id' => $category->id,
            'version_count' => 1,
        ]);

        // Upload new version
        $file = UploadedFile::fake()->create('test_v2.pdf', 1024);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($this->admin)
            ->post(route('admin.documents.upload-version', $document), [
                'file' => $file,
                'version_notes' => '更新版本說明',
            ]);

        $document->refresh();
        $this->assertEquals(2, $document->version_count);
    }
}