<?php

namespace App\Classes\Modules\Orders\Services\Steps;


use App\Classes\Constants;
use App\Classes\Modules\Orders\DataTransferObjects\OrderObject;
use App\Classes\Objects\Orders\OrderStepObject;
use App\Models\ModularStep;
use App\Models\Order;
use App\Models\PrimaryStep;
use Illuminate\Support\Collection;

class GenerateOrderSteps
{
    /**
     * @var Order
     */
    private $repository;

    /** @var CreatesOrderSteps */
    private $createsOrderSteps;


    /** @var Collection */
    protected $steps;

    /**
     * GenerateOrderSteps constructor.
     */
    public function __construct()
    {
        $this->repository = new Order();
        $this->steps = new Collection();
        $this->createsOrderSteps = new CreatesOrderSteps();
    }

    /**
     * @param OrderObject $order
     * @throws \App\Classes\Modules\Accounts\Exceptions\CannotCreateOrderStepsException
     */
    public function execute(OrderObject $order){

        $modules = new Collection();

        $order->getWarehouseId() ?  $modules->push(Constants::ORDER_MODULE_WAREHOUSE) : $modules->push(Constants::ORDER_MODULE_NO_WAREHOUSE);

        $orderSteps = $this->getSteps([$this->repository->findOrFail($order->getOrderId())->pluck('warehouse_id') ? Constants::ORDER_MODULE_WAREHOUSE : Constants::ORDER_MODULE_NO_WAREHOUSE]);

        $this->createsOrderSteps->execute($order, $orderSteps->toArray());
    }

    /**
     * @param array $modules
     * @return Collection
     */
    public function getSteps(array $modules): Collection
    {
        $this->primarySteps();
        $this->modularSteps($modules);
        return $this->steps->sortBy('sequence');
    }

    public function modularSteps(array $modules){
        $modularSteps = ModularStep::with('moduleGroups.steps')->whereIn('reference_id', $modules)->get();
        foreach ($modularSteps as $module){
            foreach($module->moduleGroups as $group){
                $i = 0;
                foreach ($group->steps as $step){
                    $i++;
                    $sequence = Constants::ORDER_PRIMARY_STEPS[$group->previous]['sequence'] + ($i/10);
                    $this->addSteps((new OrderStepObject(false,  $step->reference_id, $sequence)));
                }
            }
        }
    }

    private function primarySteps(){
        PrimaryStep::all()->map(function ($step){
            $this->addSteps((new OrderStepObject(
                true,
                $step->reference_id,
                Constants::ORDER_PRIMARY_STEPS[$step->reference_id]['sequence'])));
        });
    }

    private function addSteps(OrderStepObject $step){
        $this->steps->push([
            'primary' => $step->isPrimary(),
            'reference_id' => $step->getReferenceId(),
            'sequence' => $step->getSequence()
        ]);
    }
}