<?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\Input\InputArgument;
use Symfony\Component\Console\Output\OutputInterface;

use Doctrine\ORM\EntityManagerInterface;

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

use DateTime;
use PDO;

class GenerateCustomerSourceReportCommand extends Command
{
    protected $em;

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

        parent::__construct();
    }

    protected function configure()
    {
        $this->setName('report:customer_source')
            ->setDescription('Create customer source reports')
            ->setHelp('Creates customer source reports.')
            ->addArgument('year', InputArgument::REQUIRED, 'Year to process customer data')
            ->addArgument('month', InputArgument::REQUIRED, 'Month to process customer data')
            ->addArgument('csv_file', InputArgument::REQUIRED, 'Output CSV file');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $em = $this->em;

        // get year and month
        $year = $input->getArgument('year');
        $month = $input->getArgument('month');
        $csv_file = $input->getArgument('csv_file');

        $start_date = DateTime::createFromFormat('Y-m-d', $year . '-' . $month . '-01');
        $end_date = DateTime::createFromFormat('Y-m-d', $year . '-' . $month . '-01');
        $start_date->setTime(0, 0);
        $str_start_date = $start_date->format('Y-m-d H:i:s');

        $end_date->modify('last day of this month');
        $end_date->setTime(23, 59);
        $str_end_date = $end_date->format('Y-m-d H:i:s');
        //error_log($start_date->format('Y-m-d H:i:s'));
        //error_log($str_end_date);

        // get all mobile user customer id hash
        $resq_cust_ids = $this->getRESQCustomerIDs();


        // TODO: error checking for file
        $fp = fopen($csv_file, 'w');

        // pdo connection
        $db = $em->getConnection();

        // get all customers
        $sql = 'select c.id, c.first_name, c.last_name, c.phone_mobile, c.phone_landline, c.phone_office, c.phone_fax, c.email, c.flag_mobile_app, vm.name, v.make, cv.model_year, cv.plate_number from customer c, customer_vehicle cv, vehicle v, vehicle_manufacturer vm  where year(c.date_create) = :year and month(c.date_create) = :month and c.id = cv.customer_id and cv.vehicle_id = v.id and v.manufacturer_id = vm.id';
        $stmt = $db->prepare($sql);
        $stmt->execute([
            'month' => $month,
            'year' => $year,
        ]);

        // add header rows
        fputcsv($fp, [
            'Customer ID',
            'First Name',
            'Last Name',
            'Mobile Phone',
            'Landline',
            'Office Phone',
            'Fax',
            'Email Address',
            'Vehicle Manufacturer',
            'Vehicle Make',
            'Model Year',
            'Plate Number',
            'Source',
        ]);

        // go through rows
        while ($row = $stmt->fetch(PDO::FETCH_NUM))
        {
            // TODO: find customer source
            // NOTE: flag_mobile_app is 0 for some reason
            // customer source
            if (isset($resq_cust_ids[$row[0]]))
                $source = 'resq';
            else
                $source = 'crm / owr';

            // error_log(print_r($row, true));
            $data = [
                $row[0], // id
                $row[1], // first name
                $row[2], // last name
                $row[3], // phone - mobile
                $row[4], // phone - landline
                $row[5], // phone - office
                $row[6], // phone - fax
                $row[7], // email
                $row[9], // vehicle manufacturer
                $row[10], // vehicle make
                $row[11], // vehicle model
                $row[12], // plate number
                $source // customer source
            ];

            fputcsv($fp, $data);
        }

        fclose($fp);

        /*
        $cust_query = $em->createQuery('select c from App\Entity\Customer c 
            where c.date_create >= :start_date and c.date_create <= :end_date
            order by c.date_create asc');
        $cust_query->setParameter('start_date', $start_date)
            ->setParameter('end_date', $end_date);

        $customer_results = $cust_query->iterate();
        */


        /*
        $customers = [];
        foreach ($customer_results as $row)
        {
            $cust = $row[0];

            error_log($cust->getID());
            // get the ff fields: first name, last name, landline
            // mobile, fax, office, email address, vehicle brand,
            // vehicle model, plate number

            // check if flag_confirmed == true and date_confirmed is not null
            // if so, source is Resq app
            // if not, source is OWR/CRM

            // TODO: figure out the source
            if ($cust->hasMobileApp())
                $source = 'resq';
            else
                $source = 'crm / owr';


            // NOTE: this does not eliminate duplicate vehicles
            $vehicles = $cust->getVehicles();

            foreach ($vehicles as $cv)
            {
                $v  = $cv->getVehicle();
                $vmfg = $v->getManufacturer();

                $data = [
                    $cust->getID(),
                    $cust->getFirstName(),
                    $cust->getLastName(),
                    $cust->getPhoneMobile(),
                    $cust->getPhoneLandline(),
                    $cust->getPhoneOffice(),
                    $cust->getPhoneFax(),
                    $cust->getEmail(),
                    $vmfg->getName(),
                    $v->getMake(),
                    $v->getModelYearFormatted(),
                    $cv->getPlateNumber(),
                    $cv->getColor(),
                    $source,
                ];

                // detach associations
                // NOTE: we may need to detach vehicle manufacturer eventually
                $em->detach($cv);
                $em->detach($v);
                $em->detach($vmfg);

                fputcsv($fp, $data);
            }

            $em->detach($row[0]);
        }

        fclose($fp);
        */

        return 0;
    }

    protected function getRESQCustomerIDs()
    {
        // pdo connection
        $db = $this->em->getConnection();

        // get all customer ids of all mobile sessions
        $sql = 'select distinct customer_id from mobile_session';
        $stmt = $db->prepare($sql);
        $stmt->execute();
        $res = $stmt->fetchAll();

        $cust_ids = [];

        foreach ($res as $cust)
        {
            $cust_ids[$cust['customer_id']] = $cust['customer_id'];
        }

        // error_log(print_r($cust_ids));
        return $cust_ids;
    }
}