<?php


namespace App\Development;


use App\Notifications\CustomerRegistered;
use App\Notifications\SiteResetPasswordNotification;
use App\Orders\Mail\OrderManualActionRequiredStaff;
use App\Orders\Mail\OrderStatusUpdatedCustomer;
use App\Orders\Mail\OrderStatusUpdatedStaff;
use App\Orders\Models\Order;
use App\Orders\OrderStatus;
use App\Pages\PageService;
use App\Users\Models\SiteUser;
use Illuminate\Routing\Controller;
use Komma\KMS\Globalization\RegionInfo;
use Komma\KMS\Notifications\SetPassword;
use Komma\KMS\Users\Models\KmsUser;
use Komma\KMS\Notifications\KmsResetPasswordNotification;
use Illuminate\Mail\Markdown;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;
use Illuminate\Support\HtmlString;
use Illuminate\Support\Str;
use Illuminate\View\View;

class PreviewController extends Controller
{
    /**
     * @var \stdClass
     */
    private $links;

    public function __construct()
    {
        $pageService = new PageService();
        $this->links = $pageService->getAllTranslatedPageRoutes();
    }

    /*
    |--------------------------------------------------------------------------
    | Mail previews
    |--------------------------------------------------------------------------
    |
    | These functions must returns views that represent mails.
    |
    */
    /**
     * @see KmsResetPasswordNotification
     * @return HtmlString|View
     */
    public function resetPasswordMail()
    {
        $customer = factory(SiteUser::class)->make();
        $token = Str::random(32);
        return $this->notificationToView(new SiteResetPasswordNotification($customer, $token));
    }


    /**
     * @see KmsResetPasswordNotification
     * @return HtmlString|View
     */
    public function resetPasswordMailKms()
    {
        $customer = factory(KmsUser::class)->make();
        $token = Str::random(32);
        return $this->notificationToView(new KmsResetPasswordNotification($customer, $token));
    }

    /**
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     *@see SetPassword
     */
    public function setPasswordMail()
    {
        $customer = factory(SiteUser::class)->make();
        $token = Str::random(32);

        return $this->notificationToView(new SetPassword($customer, $token));
    }

    /**
     * @see CustomerRegistered
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function registeredMail()
    {
        $customer = factory(SiteUser::class)->make();
        return $this->notificationToView(new CustomerRegistered($customer));
    }

    public function orderManualActionRequired(Order $order)
    {
        if(!$order || $order->exists == false) $order = Order::inRandomOrder()->wherehas('customer')->with('customer')->first();
        $staff = factory(KmsUser::class)->make();
        return new OrderManualActionRequiredStaff($order, $staff);
    }

    /**
     * @param string $status
     * @param string $staffOrCustomer
     * @param Order|null $order
     * @return OrderStatusUpdatedCustomer|OrderStatusUpdatedStaff|HtmlString|View
     */
    public function orderStatusMail(string $status, string $staffOrCustomer, Order $order = null)
    {
        $status = strtolower($status);
        if(!OrderStatus::isValidItem(strtolower($status))) throw new \RuntimeException('The status must be one of the values of the enum '.OrderStatus::class);
        if(!in_array($staffOrCustomer, ['staff', 'customer', true])) throw new \RuntimeException('The staffOrCustomer parameter must be "staff" or "customer" verbatim');

        if(!in_array(strtolower($status), array_keys(__('shop/orders.mail'))) || __('shop/orders.mail.'.$status.'.'.$staffOrCustomer) === 'shop/orders.mail.'.$status.'.'.$staffOrCustomer)
            throw new \RuntimeException('The translation file "shop/orders.mail.'.$status.'" does not have an entry for: '.$staffOrCustomer.'. It probable is not there by intention.');

        /** @var Order $order */
        if(!$order) $order = Order::inRandomOrder()->first();
        $order->status = $status;
        if(strtolower($staffOrCustomer) == 'customer') {
            return new OrderStatusUpdatedCustomer($order);
        } else {
            return new OrderStatusUpdatedStaff($order, factory(KmsUser::class)->make());
        }
    }

    /*
    |--------------------------------------------------------------------------
    | Invoice / Shipping notes previews
    |--------------------------------------------------------------------------
    |
    | These functions must returns views that represent mails.
    |
    */
    /**
     * @see InvoiceService@makeInvoiceForOrder
     * @param Order|null $order
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function invoice(Order $order = null)
    {
        if(!$order) $order = Order::inRandomOrder()->first();
        return $this->invoiceService->getForOrderAsView($order);
    }

    /**
     * @see InvoiceService@makeInvoiceForOrder
     * @param Order|null $order
     * @return
     */
    public function invoicePdf(Order $order = null)
    {
        if(!$order) $order = Order::inRandomOrder()->first();
        return $this->invoiceService->getForOrderAsPDF($order);
    }

    /**
     * @see InvoiceService@makeInvoiceForOrder
     * @param Order|null $order
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function invoicePdfDownload(Order $order = null)
    {
        if(!$order) $order = Order::inRandomOrder()->first();
        return $this->invoiceService->getForOrderAsPDFDownload($order);
    }

    /*
     |--------------------------------------------------------------------------
     | Authentication view previews
     |--------------------------------------------------------------------------
     |
     | These functions must return blade views that are related to authentication
     |
     */
    public function registerView()
    {
        $culturesForSelect = RegionInfo::getNeutralCultures()->map(function(RegionInfo $regionInfo) {
            return [$regionInfo->getThreeLetterISORegionName() => $regionInfo->getNativeName() ? $regionInfo->getNativeName() : $regionInfo->getDisplayName()];
        })->collapse()->sort()->toArray();


        $neutralCulturesHotList = RegionInfo::getNeutralCultures()->filter(function(RegionInfo $regionInfo) {
            return in_array($regionInfo->getThreeLetterISORegionName(), config('shop.country_hotlist', []), true);
        })->map(function(RegionInfo $regionInfo) use(&$culturesForSelect) {
            if(isset($culturesForSelect[$regionInfo->getThreeLetterISORegionName()])) unset($culturesForSelect[$regionInfo->getThreeLetterISORegionName()]); //Remove the item from the regular cultures list
            return [$regionInfo->getThreeLetterISORegionName() => $regionInfo->getNativeName() !== '' ? $regionInfo->getNativeName() : $regionInfo->getDisplayName()];
        })->collapse()->sort();

        return view('templates.auth.register', ['links' => $this->links, 'cultures' => $culturesForSelect, 'culturesHotlist' => $neutralCulturesHotList]);
    }

    public function registeredView()
    {
        return view('templates.auth.registered', ['links' => $this->links]);
    }

    public function loginView()
    {
        return view('templates.auth.login', ['links' => $this->links]);
    }

    public function forgotPassword()
    {
        return view('templates.auth.password.email', ['links' => $this->links]);
    }

    public function set()
    {
        return view('templates.auth.password.set', ['token' => Str::random(32)]);
    }

    public function reset()
    {
        return view('templates.auth.password.reset', ['token' => Str::random(32)]);
    }

    public function loginViewKms()
    {
        return view('KMS::kms.auth.login', ['links' => $this->links]);
    }

    public function forgotPasswordKms()
    {
        return view('KMS::kms.auth.password.email', ['links' => $this->links]);
    }

    public function resetKms()
    {
        return view('KMS::kms.auth.password.reset', ['token' => Str::random(32)]);
    }

    /*
     |--------------------------------------------------------------------------
     | Helper methods
     |--------------------------------------------------------------------------
     |
     | These functions provide useful help for the ones that return views.
     */
    /**
     * Converts a notification to view
     *
     * @param Notification $notification
     * @return HtmlString|View
     */
    private function notificationToView(Notification $notification)
    {
        /** @var MailMessage $mail */
        $mail = $notification->toMail(\Auth::user());
        if($mail->markdown) {
            $markdown = new Markdown(view());
            return $markdown->render($mail->markdown, $mail->data());
        }
        elseif($mail->view)
        {
            return view($mail->view, $mail->data());
        } else {
            throw new \RuntimeException('Preview controller: I don\'t know how to render a view for "'.get_class($notification).'"');
        }
    }
}