<?php

namespace Tests\Feature\Api\Admin;

use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Mail;
use Tests\TestCase;

class TeacherSubmissionApiTest extends TestCase
{
    use RefreshDatabase;

    protected function createAdmin(): User
    {
        $admin = User::factory()->create([
            'role' => 'administrator',
            'firstname' => 'Admin',
            'lastname' => 'User',
            'email' => 'admin@example.com',
        ]);

        return $admin;
    }

    protected function seedSchoolConfig(): void
    {
        DB::table('configurations')->insert([
            ['config_key' => 'semester', 'config_value' => 'Fall'],
            ['config_key' => 'school_year', 'config_value' => '2025-2026'],
        ]);
    }

    /** @test */
    public function admin_can_fetch_teacher_submission_report(): void
    {
        $admin = $this->createAdmin();
        $this->seedSchoolConfig();

        // Minimal records to allow report query to run
        DB::table('classSection')->insert([
            'class_section_id' => 1,
            'class_section_name' => 'Grade 5 - A',
        ]);

        $teacher = User::factory()->create([
            'firstname' => 'Fatima',
            'lastname' => 'Teacher',
            'email' => 'teacher1@example.com',
        ]);

        DB::table('teacher_class')->insert([
            'teacher_id' => $teacher->id,
            'class_section_id' => 1,
            'position' => 'main',
            'semester' => 'Fall',
            'school_year' => '2025-2026',
        ]);

        $response = $this->actingAs($admin, 'sanctum')
            ->getJson('/api/admin/teacher-submissions/report');

        $response->assertOk()
            ->assertJsonStructure([
                'semester',
                'school_year',
                'rows',
                'notification_history',
                'summary' => [
                    'total_items',
                    'missing_items',
                    'submitted_items',
                    'submission_percentage',
                ],
            ]);
    }

    /** @test */
    public function admin_can_send_teacher_submission_notifications(): void
    {
        Mail::fake();

        $admin = $this->createAdmin();
        $this->seedSchoolConfig();

        DB::table('classSection')->insert([
            'class_section_id' => 2,
            'class_section_name' => 'Grade 6 - B',
        ]);

        $teacher = User::factory()->create([
            'firstname' => 'Amina',
            'lastname' => 'Smith',
            'email' => 'amina@example.com',
        ]);

        // optional history table insert compatibility depends on schema; no need to seed rows
        $payload = [
            'notify' => [
                2 => [
                    $teacher->id => 1,
                ],
            ],
            'missing_items' => [
                2 => [
                    $teacher->id => base64_encode(json_encode(['midterm scores', 'PTAP comments'])),
                ],
            ],
        ];

        $response = $this->actingAs($admin, 'sanctum')
            ->postJson('/api/admin/teacher-submissions/notifications', $payload);

        $response->assertOk()
            ->assertJsonStructure([
                'message',
                'sent',
                'failed',
                'results' => [
                    '*' => [
                        'teacher_id',
                        'class_section_id',
                        'teacher_name',
                        'section_name',
                        'email',
                        'status',
                        'missing_items',
                        'error',
                    ],
                ],
            ]);

        Mail::assertSentCount(1);
    }

    /** @test */
    public function teacher_submission_notifications_requires_notify_payload(): void
    {
        $admin = $this->createAdmin();

        $response = $this->actingAs($admin, 'sanctum')
            ->postJson('/api/admin/teacher-submissions/notifications', []);

        $response->assertStatus(422)
            ->assertJsonValidationErrors(['notify']);
    }

    /** @test */
    public function non_admin_cannot_access_teacher_submission_endpoints(): void
    {
        $user = User::factory()->create(['role' => 'teacher']);

        $this->actingAs($user, 'sanctum')
            ->getJson('/api/admin/teacher-submissions/report')
            ->assertStatus(403);
    }
}