<?php

namespace App\Command;

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

use Doctrine\ORM\EntityManagerInterface;

use App\Entity\Warranty;

class UpdateWarrantyDealerInfoCommand extends Command
{
    // field index in csv file
    const F_ID = 0;
    const F_BTY_MODEL_ID = 1;
    const F_BTY_SIZE_ID = 2;
    const F_SERIAL = 3;
    const F_WARRANTY_CLASS = 4;
    const F_PLATE_NUMBER = 5;
    const F_STATUS = 6;
    const F_DATE_CREATED = 7;
    const F_DATE_PURCHASE = 8;
    const F_DATE_EXPIRE = 9;
    const F_DATE_CLAIM = 10;
    const F_SAP_BTY_ID = 11;
    const F_CLAIM_ID = 12;
    const F_FIRST_NAME = 13;
    const F_LAST_NAME = 14;
    const F_MOBILE_NUMBER  = 15;
    const F_ACTIVATED = 16;
    const F_WARR_PRIV_POLICY = 17;
    const F_EMAIL = 18;
    const F_VEHICLE_ID = 19;
    const F_CUSTOMER_ID = 20;
    const F_FILE_INVOICE = 21;
    const F_FILE_WARR_CARD = 22;
    const F_V_MODEL_YEAR = 23;
    const F_ODOMETER = 24;
    const F_DEALER_NAME = 25;
    const F_DEALER_ADDRESS = 26;
    const F_CONTACT_NUM = 27;
    const F_CUST_ADDRESS = 28;
    const F_DATE_PURCHASE_CUST = 29;
    const F_VALIDATED = 30;
    const F_PROVINCE_ID = 31;
    const F_MUNICIPALITY_ID = 32;
    const F_CREATE_SOURCE = 33;
    const F_DEALER_BRANCH_CODE = 34;


    protected $em;

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

        parent::__construct();
    }

    protected function configure()
    {
        $this->setName('warranty:updatedealerinfo')
            ->setDescription('Update warranty dealer information.')
            ->setHelp('Update warranty dealer information.')
            ->addArgument('input_file', InputArgument::REQUIRED, 'Path to the CSV file with the warranty info.')
            ->addArgument('output_file', InputArgument::REQUIRED, 'Output filename');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        // for now, hardcode new dealer info (G-SIX SUMULONG)
        $new_dealer = [
            'name' => 'G-SIX SUMULONG',
            'address' => '175  SUMULONG HIGHWAY MAYAMOT RIZAL_X000D_',
            'branch_code' => 'ZN03587644',
        ];

        $csv_file = $input->getArgument('input_file');
        $output_file = $input->getArgument('output_file');

        // attempt to open file
        try
        {
            $fh = fopen($csv_file, "r");
        }
        catch (Exception $e)
        {
            throw new Exception('The file "' . $csv_file . '" could be opened.');
        }

        // start at 1 since 0 has the headers
        $row_num = 1;
        $output_info = [];
        while (($fields = fgetcsv($fh)) !== false)
        {
            // ignore first row
            if ($row_num == 1)
            {
                $row_num++;
                continue;
            }

            // process row
            $output_info[] = $this->processRow($fields, $new_dealer);

            $row_num++;
        }

        // write to output file
        $this->outputWarrantyInfo($output_file, $output_info);

        fclose($fh);
        return 0;
    }

    protected function processRow($fields, $new_dealer)
    {
        // get the warranty id
        $warranty_id = trim($fields[SELF::F_ID]);

        // find the warranty
        $warranty = $this->em->getRepository(Warranty::class)->find($warranty_id);

        if ($warranty == null)
        {
             // log warranty not found
            return $this->setOutputInfo($fields, 'NOT UPDATED', 'Warranty not found');
        }

        // update warranty dealer information
        $dealer_name = $new_dealer['name'];
        $dealer_address = $new_dealer['address'];
        $dealer_branch_code = $new_dealer['branch_code'];

        $warranty->setDealerName($dealer_name)
            ->setDealerAddress($dealer_address)
            ->setDealerBranchCode($dealer_branch_code);

        $this->em->flush();

        // log successful update
        return $this->setOutputInfo($fields, 'UPDATED', '');
    }

    protected function setOutputInfo($fields, $status, $reason)
    {
        $warranty_id = trim($fields[SELF::F_ID]);

        return [
            $warranty_id,
            $status,
            $reason,
        ];
    }

    protected function outputWarrantyInfo($output_file, $entries)
    {
        try
        {
            $fh = fopen($output_file, "w");
        }
        catch (Exception $e)
        {
            throw new Exception('The file "' . $report_file . '" could be opened.');
        }

        // write the headers
        fputcsv($fh, [
            'Warranty ID',
            'Status',
            'Reason', 
        ]);

        foreach ($entries as $row)
        {
            fputcsv($fh, $row);
        }

        fclose($fh);
    }
}