<?php

namespace Tests\Feature;

use App\Models\OCRRecord;
use App\Models\Student;
use App\Models\Teacher;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;

class OCRRecordResourceTest extends TestCase
{
    use RefreshDatabase;

    protected User $adminUser;
    protected Student $student;

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

        // 创建管理员用户
        $this->adminUser = User::factory()->create([
            'role' => 'admin',
            'is_active' => true,
        ]);

        // 创建测试教师
        $teacher = Teacher::create([
            'teacher_id' => 'teacher_test_001',
            'name' => '测试教师',
            'user_id' => $this->adminUser->id,
        ]);

        // 创建测试学生
        $this->student = Student::create([
            'student_id' => 'stu_test_001',
            'name' => '测试学生',
            'grade' => '七年级',
            'class_name' => '1班',
            'teacher_id' => $teacher->teacher_id,
        ]);

        Storage::fake('public');
    }

    /** @test */
    public function it_can_list_ocr_records()
    {
        // 创建测试OCR记录
        OCRRecord::create([
            'student_id' => $this->student->student_id,
            'image_filename' => 'test.jpg',
            'image_path' => 'ocr-uploads/test.jpg',
            'status' => 'pending',
            'total_questions' => 10,
            'processed_questions' => 0,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->get('/admin/ocr-records');

        $response->assertStatus(200);
    }

    /** @test */
    public function it_can_access_create_page()
    {
        $response = $this->actingAs($this->adminUser)
            ->get('/admin/ocr-records/create');

        $response->assertStatus(200);
    }

    /** @test */
    public function it_can_create_ocr_record()
    {
        $file = UploadedFile::fake()->image('exam.jpg', 800, 600);

        $response = $this->actingAs($this->adminUser)
            ->post('/admin/ocr-records', [
                'student_id' => $this->student->student_id,
                'image_path' => $file,
                'status' => 'pending',
                'total_questions' => 0,
                'processed_questions' => 0,
            ]);

        $this->assertDatabaseHas('ocr_records', [
            'student_id' => $this->student->student_id,
            'status' => 'pending',
        ]);
    }

    /** @test */
    public function it_can_view_ocr_record()
    {
        $record = OCRRecord::create([
            'student_id' => $this->student->student_id,
            'image_filename' => 'test.jpg',
            'image_path' => 'ocr-uploads/test.jpg',
            'status' => 'completed',
            'total_questions' => 10,
            'processed_questions' => 10,
            'confidence_avg' => 0.85,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->get("/admin/ocr-records/{$record->id}");

        $response->assertStatus(200);
    }

    /** @test */
    public function it_shows_student_information_in_list()
    {
        OCRRecord::create([
            'student_id' => $this->student->student_id,
            'image_filename' => 'test.jpg',
            'status' => 'pending',
            'total_questions' => 10,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->get('/admin/ocr-records');

        $response->assertStatus(200)
            ->assertSee($this->student->name)
            ->assertSee($this->student->grade)
            ->assertSee($this->student->class_name);
    }

    /** @test */
    public function it_requires_student_id()
    {
        $response = $this->actingAs($this->adminUser)
            ->post('/admin/ocr-records', [
                'image_path' => UploadedFile::fake()->image('exam.jpg'),
                'status' => 'pending',
            ]);

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

    /** @test */
    public function it_requires_image_file()
    {
        $response = $this->actingAs($this->adminUser)
            ->post('/admin/ocr-records', [
                'student_id' => $this->student->student_id,
                'status' => 'pending',
            ]);

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

    /** @test */
    public function it_calculates_progress_percentage_correctly()
    {
        $record = OCRRecord::create([
            'student_id' => $this->student->student_id,
            'image_filename' => 'test.jpg',
            'status' => 'processing',
            'total_questions' => 10,
            'processed_questions' => 7,
        ]);

        $this->assertEquals(70, $record->progress_percentage);
    }

    /** @test */
    public function it_returns_zero_progress_when_no_questions()
    {
        $record = OCRRecord::create([
            'student_id' => $this->student->student_id,
            'image_filename' => 'test.jpg',
            'status' => 'pending',
            'total_questions' => 0,
            'processed_questions' => 0,
        ]);

        $this->assertEquals(0, $record->progress_percentage);
    }

    /** @test */
    public function it_has_correct_student_relationship()
    {
        $record = OCRRecord::create([
            'student_id' => $this->student->student_id,
            'image_filename' => 'test.jpg',
            'status' => 'pending',
            'total_questions' => 10,
        ]);

        $this->assertInstanceOf(Student::class, $record->student);
        $this->assertEquals($this->student->student_id, $record->student->student_id);
        $this->assertEquals($this->student->name, $record->student->name);
    }
}