<?php

use App\Mail\Transport\MailboxTransport;
use App\Models\Mailbox;
use App\Services\Mail\MailPurpose;
use App\Support\Settings;
use Illuminate\Mail\Transport\LogTransport;
use Illuminate\Support\Facades\Mail;
use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;

beforeEach(function () {
    config()->set('admin_access.secrets_key', 'base64:'.base64_encode(random_bytes(32)));
    Settings::set('mail.host', 'mail.example.test');
    Settings::set('mail.port', 587);
    Settings::set('mail.encryption', 'tls');
});

it('registers a mailer per purpose without touching the database at boot', function () {
    // The five entries exist as plain config — no query has run to build them.
    foreach (MailPurpose::ALL as $purpose) {
        expect(config('mail.mailers.cp_'.$purpose))
            ->toMatchArray(['transport' => 'mailbox', 'purpose' => $purpose]);
    }
});

it('builds the transport from the mailbox that is current at send time', function () {
    Mailbox::factory()->create(['key' => 'support', 'address' => 'support@clupilot.com']);
    Settings::set(MailPurpose::settingKey(MailPurpose::SUPPORT), 'support');
    config()->set('mail.default', 'smtp'); // delivery on, as on live

    $transport = Mail::mailer('cp_support')->getSymfonyTransport();

    expect($transport)->toBeInstanceOf(MailboxTransport::class)
        ->and((string) $transport)->toContain('support@clupilot.com');
});

it('logs instead of delivering while MAIL_MAILER is log', function () {
    Mailbox::factory()->create(['key' => 'support', 'address' => 'support@clupilot.com']);
    Settings::set(MailPurpose::settingKey(MailPurpose::SUPPORT), 'support');
    config()->set('mail.default', 'log');

    $transport = Mail::mailer('cp_support')->getSymfonyTransport();

    // Still our transport — but it hands the message to the log, so a seeder
    // run cannot mail a real customer from a development machine.
    expect((string) $transport)->toContain('log');
});

/*
| __toString() and send() decide "log or SMTP" through two SEPARATE code
| paths (describe() vs delegate()). The test above only exercises the first —
| it would keep passing even if delegate() lost its own guard and sent every
| purpose-mailer through real SMTP regardless of MAIL_MAILER. Reach into the
| method that actually sends, so that regression cannot hide behind a passing
| __toString() assertion. No real socket is opened either way: EsmtpTransport
| connects lazily on send(), never in its constructor.
*/
it('actually delegates to the log transport, not SMTP, while MAIL_MAILER is log', function () {
    Mailbox::factory()->create(['key' => 'support', 'address' => 'support@clupilot.com']);
    Settings::set(MailPurpose::settingKey(MailPurpose::SUPPORT), 'support');
    config()->set('mail.default', 'log');

    $transport = Mail::mailer('cp_support')->getSymfonyTransport();
    $delegate = Closure::bind(fn () => $this->delegate(), $transport, MailboxTransport::class)();

    expect($delegate)->toBeInstanceOf(LogTransport::class);
});

it('delegates to a real SMTP transport once MAIL_MAILER is no longer log', function () {
    Mailbox::factory()->create(['key' => 'support', 'address' => 'support@clupilot.com']);
    Settings::set(MailPurpose::settingKey(MailPurpose::SUPPORT), 'support');
    config()->set('mail.default', 'smtp');

    $transport = Mail::mailer('cp_support')->getSymfonyTransport();
    $delegate = Closure::bind(fn () => $this->delegate(), $transport, MailboxTransport::class)();

    expect($delegate)->toBeInstanceOf(EsmtpTransport::class);
});