<?php
/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Jobs\RecurringInvoice;

use App\DataMapper\Analytics\SendRecurringFailure;
use App\Events\Invoice\InvoiceWasEmailed;
use App\Factory\InvoiceInvitationFactory;
use App\Factory\RecurringInvoiceToInvoiceFactory;
use App\Jobs\Cron\AutoBill;
use App\Jobs\Entity\EmailEntity;
use App\Models\Invoice;
use App\Models\RecurringInvoice;
use App\Utils\Ninja;
use App\Utils\Traits\GeneratesCounter;
use App\Utils\Traits\MakesHash;
use App\Utils\Traits\MakesInvoiceValues;
use Carbon\Carbon;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Turbo124\Beacon\Facades\LightLogs;

class SendRecurring implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
    use GeneratesCounter;
    use MakesHash;

    public $recurring_invoice;

    protected $db;

    public $tries = 1;

    /**
     * Create a new job instance.
     *
     * @param RecurringInvoice $recurring_invoice
     * @param string $db
     */
    public function __construct(RecurringInvoice $recurring_invoice, string $db = 'db-ninja-01')
    {
        $this->recurring_invoice = $recurring_invoice;
        $this->db = $db;
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle() : void
    {

        // Generate Standard Invoice
        $invoice = RecurringInvoiceToInvoiceFactory::create($this->recurring_invoice, $this->recurring_invoice->client);

        if ($this->recurring_invoice->auto_bill === 'always') {
            $invoice->auto_bill_enabled = true;
        } elseif ($this->recurring_invoice->auto_bill === 'optout' || $this->recurring_invoice->auto_bill === 'optin') {
        } elseif ($this->recurring_invoice->auto_bill === 'off') {
            $invoice->auto_bill_enabled = false;
        }

        $invoice->date = date('Y-m-d');
        $invoice->due_date = $this->recurring_invoice->calculateDueDate(date('Y-m-d'));
        $invoice->recurring_id = $this->recurring_invoice->id;
        $invoice->saveQuietly();

        if ($invoice->client->getSetting('auto_email_invoice')) {
            $invoice = $invoice->service()
                               ->markSent()
                               ->applyNumber()
                               ->fillDefaults()
                               ->adjustInventory()
                               ->save();
        } else {
            $invoice = $invoice->service()
                               ->fillDefaults()
                               ->save();
        }

        $invoice = $this->createRecurringInvitations($invoice);

        /* 09-01-2022 ensure we create the PDFs at this point in time! */
        $invoice->service()->touchPdf(true);

        nlog('updating recurring invoice dates');
        /* Set next date here to prevent a recurring loop forming */
        $this->recurring_invoice->next_send_date = $this->recurring_invoice->nextSendDate();
        $this->recurring_invoice->next_send_date_client = $this->recurring_invoice->nextSendDateClient();
        $this->recurring_invoice->remaining_cycles = $this->recurring_invoice->remainingCycles();
        $this->recurring_invoice->last_sent_date = now();

        /* Set completed if we don't have any more cycles remaining*/
        if ($this->recurring_invoice->remaining_cycles == 0) {
            $this->recurring_invoice->setCompleted();
        }

        // nlog('next send date = '.$this->recurring_invoice->next_send_date);
        // nlog('remaining cycles = '.$this->recurring_invoice->remaining_cycles);
        // nlog('last send date = '.$this->recurring_invoice->last_sent_date);

        $this->recurring_invoice->save();

        event('eloquent.created: App\Models\Invoice', $invoice);

        if ($invoice->client->getSetting('auto_email_invoice')) {
            //Admin notification for recurring invoice sent.
            if ($invoice->invitations->count() >= 1) {
                $invoice->entityEmailEvent($invoice->invitations->first(), 'invoice', 'email_template_invoice');
            }

            nlog("Invoice {$invoice->number} created");

            $invoice->invitations->each(function ($invitation) use ($invoice) {
                if ($invitation->contact && ! $invitation->contact->trashed() && strlen($invitation->contact->email) >= 1 && $invoice->client->getSetting('auto_email_invoice')) {
                    try {
                        EmailEntity::dispatch($invitation, $invoice->company)->delay(rand(10,20));
                    } catch (\Exception $e) {
                        nlog($e->getMessage());
                    }

                    nlog("Firing email for invoice {$invoice->number}");
                }
            });
        }

        if ($invoice->client->getSetting('auto_bill_date') == 'on_send_date' && $invoice->auto_bill_enabled) {
            nlog("attempting to autobill {$invoice->number}");
                // $invoice->service()->autoBill();
                AutoBill::dispatch($invoice, $this->db)->delay(rand(30,40));

        } elseif ($invoice->client->getSetting('auto_bill_date') == 'on_due_date' && $invoice->auto_bill_enabled) {
            if ($invoice->due_date && Carbon::parse($invoice->due_date)->startOfDay()->lte(now()->startOfDay())) {
                nlog("attempting to autobill {$invoice->number}");
                // $invoice->service()->autoBill();
                AutoBill::dispatch($invoice, $this->db)->delay(rand(30,40));
            }
        }
    }

    /**
     * Only create the invitations that are defined on the recurring invoice.
     * @param  Invoice $invoice
     * @return Invoice $invoice
     */
    private function createRecurringInvitations($invoice) :Invoice
    {
        $this->recurring_invoice->invitations->each(function ($recurring_invitation) use ($invoice) {
            $ii = InvoiceInvitationFactory::create($invoice->company_id, $invoice->user_id);
            $ii->key = $this->createDbHash($invoice->company->db);
            $ii->invoice_id = $invoice->id;
            $ii->client_contact_id = $recurring_invitation->client_contact_id;
            $ii->save();
        });

        return $invoice->fresh();
    }

    public function failed($exception = null)
    {
        nlog('the job failed');

        $job_failure = new SendRecurringFailure();
        $job_failure->string_metric5 = get_class($this);
        $job_failure->string_metric6 = $exception->getMessage();

        LightLogs::create($job_failure)
                 ->queue();

        nlog(print_r($exception->getMessage(), 1));
    }
}


/**
 * 
 * 1/8/2022
 * 
 * Improvements here include moving the emailentity and autobilling into the queue.
 * 
 * Further improvements could using the CompanyRecurringCron.php stub which divides
 * the recurring invoices into companies and spins them off into their own queue to
 * improve parallel processing.
 * 
 * Need to be careful we do not overload redis and OOM.
*/