<?php

namespace App\Command;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

use Doctrine\Common\Persistence\ObjectManager;

use App\Entity\Warranty;
use App\Entity\Customer;
use App\Entity\CustomerVehicle;
use App\Entity\VehicleManufacturer;
use App\Entity\Vehicle;

class CreateCustomerFromWarrantyCommand extends Command
{
    protected $em;
    protected $cust_index;

    public function __construct(ObjectManager $em)
    {
        $this->em = $em;

        $this->loadCustomers();

        parent::__construct();
    }

    protected function configure()
    {
        $this->setName('customer:createfromwarranty')
            ->setDescription('Create customers from existing warranties.')
            ->setHelp('Creates customers from existing warranties.');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        // get all warranties
        $warranties = $this->em->getRepository(Warranty::class)->findAll();

        foreach($warranties as $warr)
        {
            // check if warranty mobile already exists in customer
            $w_mobile = $warr->getMobileNumber();
            if (empty($w_mobile))
            {
                // TODO: for now, if warranty mobile number is empty, do nothing
                continue;
            }

            // parse warranty mobile in case of multiple numbers
            // check for spaces, slash, and forward slash
            $w_mobile_array = [];
            if (preg_match('/[\/\\]/', $w_mobile))
            {
                $w_mobile_array = preg_split('/[\/\\]/', $w_mobile);
            }
            else
            {
                // only one mobile number
                $w_mobile_array[] = $w_mobile;
            }

            $cust_found = false;

            // set values for new customer vehicle
            $w_plate_number = $warr->getPlateNumber();
            $default_cv_color = 'White';
            // TODO: add checking that default manufacturer is not null
            $default_manufacturer = $this->em->getRepository(VehicleManufacturer::class)->findBy(['name' =>'Unknown']);
            if (empty($default_manufacturer))
            {
                $output->writeln("Need to add manufacturer with Unknown name");
            }
            $default_make = 'Unknown';
            // search cust_index for numbers in mobile_array
            foreach ($w_mobile_array as $w_mobile_num)
            {
                // if present, check if customer vehicle plate number matches warranty plate number?
                foreach ($this->cust_index as $key => $customer)
                {
                    $c_mobile = $customer->getPhoneMobile();
                    if (!(empty($c_mobile)))
                    {
                        if (strpos($c_mobile, $w_mobile_num))
                        {
                            // mobile number belongs to existing customer
                            // get customer vehicles
                            $c_vehicles = $customer->getVehicles();
                            if (!(empty($c_vehicles)))
                            {
                                // check if plate number of customer vehicle matches warranty plate number
                                foreach ($c_vehicles as $c_vehicle)
                                {
                                    $cv_plate_number = $c_vehicle->getPlateNumber();
                                    if ($cv_plate_number == $w_plate_number)
                                    {
                                        // move to the next warranty since current warranty belongs to an 
                                        // existing customer and customer vehicle
                                        break 3;
                                    }
                                }
                            }
                            // add customer vehicle to existing customer with unknown manufacturer and make
                            $this->createCustomerVehicle($customer, $default_manufacturer, 
                                                         $default_make, $w_plate_number, $default_cv_color);
                        }
                        $cust_found = true;
                    }
                    // no customer mobile number, ignore for now
                }
                // if customer not found, add customer and customer vehicle
                if ($cust_found != true)
                {
                    // get warranty first name, last name
                    $w_first_name = $warr->getFirstName();
                    $w_last_name = $warr->getLastName();

                    $new_cust = new Customer();
                    $new_cust->setFirstName($w_first_name)
                        ->setLastName($w_last_name);

                    $this->em->persist($cust);

                    $this->createCustomerVehicle($cust, $default_manufacturer,
                                                 $default_make, $w_plate_number, $default_cv_color);

                }
            }
        }
    }

    protected function loadCustomers()
    {
        // get all customers
        $customers = $this->em->getRepository(Customer::class)->findAll();

        $this->cust_index = [];
        foreach ($customers as $customer)
        {
            $cust_id = $customer->getID();
            $this->cust_index[$cust_id] = $customer;
        }
    }

    protected function createCustomerVehicle(Customer $cust, $manufacturer, $make, 
                                             $plate_number, $color)
    {
        $new_cv = new CustomerVehicle();

        // get manufacturer and make with name 'unknown'

        // TODO: remove the assert not blank for color and model year
        $new_cv->setCustomer($cust)
            ->setPlateNumber($plate_number)
            ->setModelYear(0)
            ->setColor($color)
            ->setStatusCondition(VehicleStatusCondition::BRAND_NEW)
            ->setFuelType(FuelType::GAS)
            ->setVehicle($vehicle);
    }
}