<?php

namespace Tests\Unit\Services;

use App\Services\AssignmentService;
use Mockery;
use PHPUnit\Framework\TestCase;

class AssignmentServiceTest extends TestCase
{
    protected function tearDown(): void
    {
        Mockery::close();
        parent::tearDown();
    }

    /** @test */
    public function save_student_assignment_uses_config_defaults_and_calls_update_or_create(): void
    {
        $userModel         = Mockery::mock();
        $studentModel      = Mockery::mock();
        $classSectionModel = Mockery::mock();
        $teacherClassModel = Mockery::mock();

        $configModel = Mockery::mock();
        $studentClassModel = Mockery::mock();
        $studentClassQuery = Mockery::mock();

        // Config defaults
        $configModel->shouldReceive('getConfig')->with('semester')->andReturn('Fall');
        $configModel->shouldReceive('getConfig')->with('school_year')->andReturn('2025-2026');

        // Eloquent chain: newQuery()->updateOrCreate(...)
        $studentClassModel->shouldReceive('newQuery')->once()->andReturn($studentClassQuery);

        $expectedRecord = (object) [
            'id'               => 99,
            'student_id'       => 10,
            'class_section_id' => 7,
            'semester'         => 'Fall',
            'school_year'      => '2025-2026',
            'description'      => 'Auto-assigned',
            'updated_by'       => 55,
        ];

        $studentClassQuery->shouldReceive('updateOrCreate')
            ->once()
            ->with(
                [
                    'student_id'  => 10,
                    'school_year' => '2025-2026',
                    'semester'    => 'Fall',
                ],
                Mockery::on(function ($payload) {
                    return $payload['student_id'] === 10
                        && $payload['class_section_id'] === 7
                        && $payload['semester'] === 'Fall'
                        && $payload['school_year'] === '2025-2026'
                        && $payload['description'] === 'Auto-assigned'
                        && $payload['updated_by'] === 55;
                })
            )
            ->andReturn($expectedRecord);

        $service = new AssignmentService(
            $userModel,
            $configModel,
            $studentModel,
            $classSectionModel,
            $teacherClassModel,
            $studentClassModel
        );

        $result = $service->saveStudentAssignment([
            'student_id'       => 10,
            'class_section_id' => 7,
            'description'      => 'Auto-assigned',
            // semester/school_year intentionally omitted to test fallback
        ], 55);

        $this->assertSame($expectedRecord, $result);
    }
}