<?php

namespace CablemodemBundle\Command;

use mysqli;
use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\Console\Helper\ProgressBar;
use Symfony\Component\Console\Question\ConfirmationQuestion;
use Doctrine\DBAL\DriverManager;
use Symfony\Component\Yaml\Yaml;


class VoipImportDataCommand extends ContainerAwareCommand
{

    protected $em;

    protected function configure()
    {
        $this
            ->setName('voip:import:data')
            ->setDescription('Imports voip data from Flowdat 2')
            ->setHelp('Imports Voip data from Flowdat 2.')
            ->addOption('dbname', null, InputOption::VALUE_OPTIONAL, 'Origin Database name. Default: flowdat2')
            ->addOption('user', null, InputOption::VALUE_OPTIONAL, 'User name for origin database. Default: root')
            ->addOption('password', null, InputOption::VALUE_OPTIONAL, 'Password for origin database. Default: "empty_value"')
            ->addOption('host', null, InputOption::VALUE_OPTIONAL, 'Host of origin database. Default: localhost')
        ;
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {

        $container = $this->getContainer();
        $this->em = $container->get('doctrine.orm.entity_manager');

        // Get data
        $host =     $input->getOption('host');
        $dbname =   $input->getOption('dbname');
        $user =     $input->getOption('user');
        $password = $input->getOption('password');

        // Set defaults
        if (!$dbname)   { $dbname = 'flowdat2'; }
        if (!$user)     { $user = 'root'; }
        if (!$password) { $password = ''; }
        if (!$host)     { $host = 'localhost'; }

        // Presentation
        $io = new SymfonyStyle($input, $output);
        $io->title('Flowdat3 VoIP Data Importer');

        // Ask for confirmation
        if (!$input->getOption('no-interaction')) {
            $helper = $this->getHelper('question');
            $question = new ConfirmationQuestion("This will IMPORT DATA FROM a Flowdat2 database. The CABLEMODEM TABLE will be ALTERED by OVERWRITING existing data, leading to potential DATA LOSS. Are you really sure you want to proceed? ", false);
            if (!$helper->ask($input, $output, $question)) {
                return;
            }
        }

        $io->newLine();

        $conn = new mysqli($host, $user, $password, $dbname);
        $sql =  "SELECT * FROM Voip;";
        $rows = $conn->query($sql);

        // Progress bar
        $progressBar = new ProgressBar($output, $rows->num_rows);
        $errors = [];

        while ($row = $rows->fetch_assoc()) {

            if ($row['cablemodem_id'] != null) {

                $object = $this->em->getRepository('CablemodemBundle:Cablemodem')->findOneById($row['cablemodem_id']);

                if (!is_null($object)) {

                    $voip = $object->getVoip();

                    if (is_null($voip)) { $voip = array(); }

                    $found = null;

                    // Look for an item containing the number
                    foreach ($voip as $key => $item) {
                        if ($item['number'] == $row['number']) {
                            $found = $key;
                        }
                    }

                    if (is_null($found)) {      // If number wasn't found, append.
                        $voip[] = array(
                            'number' => $row['number'],
                            'password' => $row['password']
                        );
                    } else {                    // If number was found, update password.
                        $voip[$found]['password'] = $row['password'];
                    }

                    // Persist
                    $object->setVoip($voip);

                    $this->em->persist($object);
                    $this->em->flush();

                    // Detach the object from the entity manager
                    $this->em->detach($object);
                }
            } else {
                $errors[] = "<error>[{$row['id']}] Unable to find a Cablemodem with ID {$row['cablemodem_id']}. Element has been skipped.</error>";
            }

            $progressBar->advance();
        }

        $output->writeln(['']);
        $output->writeln($errors);
        $output->writeln(['', 'Done!']);
    }
}