alrahma_sunday_school/tests/app/Services/EnrollmentRegistrationEmailServiceTest.php

<?php

namespace Tests\App\Services;

use App\Services\EmailService;
use App\Services\EnrollmentRegistrationEmailService;
use App\Services\EnrollmentTransitionService;
use App\Support\Enrollment\DeliberationDecision;
use CodeIgniter\Database\BaseBuilder;
use CodeIgniter\Database\BaseConnection;
use PHPUnit\Framework\TestCase;

final class EnrollmentRegistrationEmailServiceTest extends TestCase
{
    public function testPassedStudentUsesReEnrollmentOpeningLanguage(): void
    {
        $service = $this->service();

        $evaluation = [
            'deliberation_decision' => DeliberationDecision::PASSED,
            'placement_status' => 'exit_required',
            'source_grade_name' => '8',
            'adult_student' => false,
            'blockers' => [
                'The student has passed the highest available grade and must follow the school completion or exit process.',
                'Registration for the new school year has not opened yet.',
            ],
        ];

        $status = $this->invoke($service, 'registrationStatus', [$evaluation]);
        $message = $this->invoke($service, 'decisionMessage', ['Student Name', $evaluation, 'August 1, 2026', 'August 31, 2026']);
        $action = $this->invoke($service, 'requiredAction', [$evaluation, 'August 31, 2026']);

        $this->assertSame('Eligible', $status);
        $this->assertStringContainsString('We are pleased to inform you that Student Name has successfully passed Grade 8.', $message);
        $this->assertStringContainsString('Re-enrollment for the new school year will open on August 1, 2026.', $message);
        $this->assertStringContainsString('Please make sure to re-enroll your child before August 31, 2026', $message);
        $this->assertStringContainsString('sign in to the parent portal', $message);
        $this->assertStringContainsString('Complete re-enrollment before August 31, 2026.', $action);
        $this->assertStringNotContainsString('Not Eligible', $status);
        $this->assertStringNotContainsString('Registration for the new school year has not opened yet', $message);
        $this->assertStringNotContainsString('Contact the school administration.', $action);
    }

    public function testFinancialSectionIsHiddenWhenNothingIsDue(): void
    {
        $service = $this->service();

        $html = $this->invoke($service, 'financialSection', [10, [
            'registration_fee' => 0,
            'tuition_due_at_registration' => 0,
            'mandatory_fees' => 0,
        ], null]);

        $this->assertSame('', $html);
    }

    public function testFinancialSectionShowsWhenAnyAmountIsDue(): void
    {
        $service = $this->service();

        $html = $this->invoke($service, 'financialSection', [10, [
            'registration_fee' => 25,
            'tuition_due_at_registration' => 0,
            'mandatory_fees' => 0,
        ], null]);

        $this->assertStringContainsString('Family Account Information', $html);
        $this->assertStringContainsString('Total currently due:</strong> $25.00', $html);
    }

    public function testAutomaticDistributionPlacementShowsOnlyGrade(): void
    {
        $service = $this->service();

        $placement = $this->invoke($service, 'placementText', [[
            'placement_status' => 'automatic_distribution_pending',
            'assigned_grade_name' => '9',
        ]]);

        $this->assertSame('Grade 9', $placement);
    }

    public function testForceCannotSendWithoutAdminLaunchApproval(): void
    {
        $emailService = $this->createMock(EmailService::class);
        $emailService->expects($this->never())->method('send');
        $service = $this->service($this->dbWithNoRecipientFamilies(), $emailService);

        $summary = $service->sendForSchoolYear([
            'name' => '2026-2027',
            'registration_launch_approved_at' => null,
        ], null, false, true);

        $this->assertSame(0, $summary['sent']);
        $this->assertSame(1, $summary['skipped']);
        $this->assertStringContainsString('not approved', implode(' ', $summary['messages']));
    }

    /**
     * @param list<mixed> $args
     */
    private function invoke(EnrollmentRegistrationEmailService $service, string $method, array $args): mixed
    {
        $reflection = new \ReflectionMethod($service, $method);
        $reflection->setAccessible(true);

        return $reflection->invokeArgs($service, $args);
    }

    private function service(?BaseConnection $db = null, ?EmailService $emailService = null): EnrollmentRegistrationEmailService
    {
        $db ??= $this->createMock(BaseConnection::class);

        return new EnrollmentRegistrationEmailService(
            $db,
            new EnrollmentTransitionService($db),
            $emailService ?? $this->createMock(EmailService::class),
        );
    }

    private function dbWithNoRecipientFamilies(): BaseConnection
    {
        $query = new class {
            public function getResultArray(): array
            {
                return [];
            }
        };

        $builder = $this->createMock(BaseBuilder::class);
        $builder->method('select')->willReturnSelf();
        $builder->method('where')->willReturnSelf();
        $builder->method('get')->willReturn($query);

        $db = $this->createMock(BaseConnection::class);
        $db->method('table')->willReturn($builder);
        $db->method('fieldExists')->with('user_type', 'users')->willReturn(false);

        return $db;
    }
}