<?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\Cron;

use App\Factory\RecurringExpenseToExpenseFactory;
use App\Libraries\MultiDB;
use App\Models\RecurringExpense;
use App\Models\RecurringInvoice;
use App\Utils\Traits\GeneratesCounter;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Support\Carbon;

class RecurringExpensesCron
{
    use Dispatchable;
    use GeneratesCounter;

    public $tries = 1;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct()
    {
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle() : void
    {
        /* Get all expenses where the send date is less than NOW + 30 minutes() */
        nlog('Sending recurring expenses '.Carbon::now()->format('Y-m-d h:i:s'));

        if (! config('ninja.db.multi_db_enabled')) {
            
            $recurring_expenses = RecurringExpense::where('next_send_date', '<=', now()->toDateTimeString())
                                                        ->whereNotNull('next_send_date')
                                                        ->whereNull('deleted_at')
                                                        ->where('status_id', RecurringInvoice::STATUS_ACTIVE)
                                                        ->where('remaining_cycles', '!=', '0')
                                                        ->whereHas('company', function ($query) {
                                                            $query->where('is_disabled', 0);
                                                        })
                                                        ->with('company')
                                                        ->cursor();

            nlog(now()->format('Y-m-d').' Generating Recurring Expenses. Count = '.$recurring_expenses->count());

            $recurring_expenses->each(function ($recurring_expense, $key) {
                nlog('Current date = '.now()->format('Y-m-d').' Recurring date = '.$recurring_expense->next_send_date);

                if (! $recurring_expense->company->is_disabled) {
                    $this->generateExpense($recurring_expense);
                }
            });

        } else {
            //multiDB environment, need to
            foreach (MultiDB::$dbs as $db) {
                MultiDB::setDB($db);

                    $recurring_expenses = RecurringExpense::where('next_send_date', '<=', now()->toDateTimeString())
                                                                ->whereNotNull('next_send_date')
                                                                ->whereNull('deleted_at')
                                                                ->where('status_id', RecurringInvoice::STATUS_ACTIVE)
                                                                ->where('remaining_cycles', '!=', '0')
                                                                ->whereHas('company', function ($query) {
                                                                    $query->where('is_disabled', 0);
                                                                })
                                                                ->with('company')
                                                                ->cursor();

                    nlog(now()->format('Y-m-d').' Generating Recurring Expenses. Count = '.$recurring_expenses->count());

                    $recurring_expenses->each(function ($recurring_expense, $key) {
                        nlog('Current date = '.now()->format('Y-m-d').' Recurring date = '.$recurring_expense->next_send_date);

                        if (! $recurring_expense->company->is_disabled) {
                            $this->generateExpense($recurring_expense);
                        }
                    });


            }
        }
    }

    private function getRecurringExpenses()
    {
        //extracting this back to the if/else block to test duplicate crons
    }

    private function generateExpense(RecurringExpense $recurring_expense)
    {
        $expense = RecurringExpenseToExpenseFactory::create($recurring_expense);
        $expense->save();

        $expense->number = $this->getNextExpenseNumber($expense);
        $expense->save();

        $recurring_expense->next_send_date = $recurring_expense->nextSendDate();
        $recurring_expense->next_send_date_client = $recurring_expense->next_send_date;

        $recurring_expense->remaining_cycles = $recurring_expense->remainingCycles();
        $recurring_expense->save();
    }
}
