<?php

use App\Mail\MaintenanceAnnouncementMail;
use App\Mail\MaintenanceCancelledMail;
use App\Models\Customer;
use App\Models\Instance;
use App\Models\Mailbox;
use App\Models\MaintenanceWindow;
use App\Notifications\CloudReady;
use App\Services\Mail\MailPurpose;
use App\Support\Settings;
use Illuminate\Support\Facades\Crypt;

beforeEach(function () {
    config()->set('admin_access.secrets_key', 'base64:'.base64_encode(random_bytes(32)));
});

it('sends from the mailbox its purpose points at', function () {
    Mailbox::factory()->create([
        'key' => 'no-reply',
        'address' => 'no-reply@clupilot.com',
        'display_name' => 'CluPilot',
        'no_reply' => true,
    ]);
    Settings::set(MailPurpose::settingKey(MailPurpose::MAINTENANCE), 'no-reply');

    $mail = new MaintenanceAnnouncementMail(
        MaintenanceWindow::factory()->create(),
        Customer::factory()->create(),
    );

    $envelope = $mail->envelope();

    expect($envelope->from->address)->toBe('no-reply@clupilot.com')
        ->and($envelope->from->name)->toBe('CluPilot');
});

it('omits Reply-To on a no-reply mailbox, because that is what the name promises', function () {
    Mailbox::factory()->create(['key' => 'no-reply', 'address' => 'no-reply@clupilot.com', 'no_reply' => true]);
    Settings::set(MailPurpose::settingKey(MailPurpose::MAINTENANCE), 'no-reply');

    $envelope = (new MaintenanceAnnouncementMail(
        MaintenanceWindow::factory()->create(),
        Customer::factory()->create(),
    ))->envelope();

    expect($envelope->replyTo)->toBeEmpty();
});

it('sets Reply-To on an answerable mailbox, so a customer reply reaches a human', function () {
    Mailbox::factory()->create(['key' => 'support', 'address' => 'support@clupilot.com', 'no_reply' => false]);
    Settings::set(MailPurpose::settingKey(MailPurpose::MAINTENANCE), 'support');

    $envelope = (new MaintenanceAnnouncementMail(
        MaintenanceWindow::factory()->create(),
        Customer::factory()->create(),
    ))->envelope();

    expect($envelope->replyTo[0]->address)->toBe('support@clupilot.com');
});

it('names the purpose mailer so the queue worker picks the right transport', function () {
    $mail = new MaintenanceAnnouncementMail(
        MaintenanceWindow::factory()->create(),
        Customer::factory()->create(),
    );

    expect($mail->mailer)->toBe('cp_maintenance');
});

it('gives the cancellation mail the same sender as the announcement', function () {
    Mailbox::factory()->create(['key' => 'no-reply', 'address' => 'no-reply@clupilot.com', 'no_reply' => true]);
    Settings::set(MailPurpose::settingKey(MailPurpose::MAINTENANCE), 'no-reply');

    $mail = new MaintenanceCancelledMail(
        MaintenanceWindow::factory()->create(),
        Customer::factory()->create(),
    );

    expect($mail->envelope()->from->address)->toBe('no-reply@clupilot.com')
        ->and($mail->mailer)->toBe('cp_maintenance');
});

it('falls back to the framework default envelope when no mailbox is configured for the purpose', function () {
    // Neither a purpose mapping nor a system fallback exists anywhere in
    // Settings — MailboxResolver::for() returns null. An installation
    // mid-setup must still hand back a usable Envelope (subject intact)
    // rather than dereferencing a null mailbox.
    $window = MaintenanceWindow::factory()->create();

    $envelope = (new MaintenanceAnnouncementMail($window, Customer::factory()->create()))->envelope();

    expect($envelope->from)->toBeNull()
        ->and($envelope->replyTo)->toBeEmpty()
        ->and($envelope->subject)->toBe(__('maintenance.mail_subject', ['title' => $window->title]));
});

it('sends the provisioning notification from the provisioning mailbox', function () {
    Mailbox::factory()->create([
        'key' => 'no-reply',
        'address' => 'no-reply@clupilot.com',
        'display_name' => 'CluPilot',
        'no_reply' => true,
    ]);
    Settings::set(MailPurpose::settingKey(MailPurpose::PROVISIONING), 'no-reply');

    $notification = new CloudReady(
        Instance::factory()->create(),
        'admin',
        Crypt::encryptString('geheim'),
    );

    $message = $notification->toMail(new stdClass);

    expect($message->from[0])->toBe('no-reply@clupilot.com')
        ->and($message->mailer)->toBe('cp_provisioning')
        // no_reply is set, so no Reply-To — the same promise as everywhere else.
        ->and($message->replyTo)->toBeEmpty();
});

it('sets Reply-To on the provisioning notification when its mailbox allows replies', function () {
    // The mirror image of the no-reply case above: a support-style mailbox
    // behind PROVISIONING must still get a Reply-To, the same as maintenance
    // does. Without this, CloudReady's `if (! $box->no_reply)` branch is only
    // ever exercised by the no_reply=true side and a deleted replyTo() call
    // would go unnoticed.
    Mailbox::factory()->create(['key' => 'support', 'address' => 'support@clupilot.com', 'no_reply' => false]);
    Settings::set(MailPurpose::settingKey(MailPurpose::PROVISIONING), 'support');

    $notification = new CloudReady(
        Instance::factory()->create(),
        'admin',
        Crypt::encryptString('geheim'),
    );

    $message = $notification->toMail(new stdClass);

    expect($message->replyTo[0][0])->toBe('support@clupilot.com');
});

it("leaves the provisioning notification's sender fields at MailMessage's defaults when no mailbox is configured", function () {
    // The mirror of the trait's own null-mailbox fallback test above, but for
    // CloudReady's own guard: neither a mailbox row nor a provisioning/system
    // Settings mapping exists, so MailboxResolver::for() returns null. Must
    // not throw dereferencing a null mailbox, and must leave from/replyTo
    // exactly as `new MailMessage` starts them — [] and [].
    $notification = new CloudReady(
        Instance::factory()->create(),
        'admin',
        Crypt::encryptString('geheim'),
    );

    $message = $notification->toMail(new stdClass);

    expect($message->from)->toBeEmpty()
        ->and($message->replyTo)->toBeEmpty()
        ->and($message->mailer)->toBe('cp_provisioning');
});