<?php

namespace App\Controller\CAPI;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;
use Doctrine\ORM\Query;
use Doctrine\ORM\EntityManagerInterface;
use Catalyst\APIBundle\Controller\APIController;
use Catalyst\APIBundle\Response\APIResponse;
use App\Entity\Vehicle;
use App\Entity\VehicleManufacturer;

use Catalyst\APIBundle\Access\Generator as ACLGenerator;

class VehicleController extends APIController
{
    protected $acl_gen;

    public function __construct(ACLGenerator $acl_gen)
    {
        $this->acl_gen = $acl_gen;
    }

    public function getManufacturers(EntityManagerInterface $em)
    {
        $this->denyAccessUnlessGranted('vmanufacturer.list', null, 'No access.');

        $mfgs = $em->getRepository(VehicleManufacturer::class)->findBy([], ['name' => 'ASC']);

        $result = [];
        foreach ($mfgs as $mfg)
        {
            $result[] = [
                'id' => $mfg->getID(),
                'name' => $mfg->getName(),
            ];
        }

        $data = [
            'manufacturers' => $result,
        ];

        return new APIResponse(true, 'Vehicle manufacturers loaded.', $data);
    }

    public function getByManufacturer($mfg_id, EntityManagerInterface $em)
    {
        $this->denyAccessUnlessGranted('vehicle.list', null, 'No access.');
    
        $mfg = $this->em->getRepository(VehicleManufacturer::class)->find($mfg_id);

        // manufacturer not found
        if ($mfg == null)
        {
            return new APIResponse(false, 'No vehicle manufacturer found with that Id.', null, 404);
        }

        // get all vehicles from manufacturer
        $vehicles = $mfg->getVehicles();
        foreach($vehicles as $vehicle)
        {
            $make_data[] = [
                'id' => $vehicle->getID(),
                'mfg_id' => $vehicle->getManufacturer()->getID(),
                'make' => $vehicle->getMake(),
                'model' => $vehicle->getModelYearFormatted(),
            ];
        }

        // TODO: need to add manufacturer details

        return new APIResponse(true, 'Vehicles loaded.', $data);
    }

    public function list(EntityManagerInterface $em)
    {
        $this->denyAccessUnlessGranted('vehicle.list', null, 'No access.');

        $conn = $em->getConnection();
        // get manufacturers
        $mfg_sql = 'SELECT vmfg.id, vmfg.name FROM vehicle_manufacturer vmfg ORDER BY vmfg.name ASC';

        // get manufacturer results
        $mfg_stmt = $conn->prepare($mfg_sql);
        $mfg_stmt->execute();

        $mfg_results = $mfg_stmt->fetchAll();

        // get vehicles
        $vehicle_sql = 'SELECT v.id, v.manufacturer_id, v.make, v.model_year_from, v.model_year_to 
            FROM vehicle v ORDER BY v.manufacturer_id ASC, v.make ASC';

        // get vehicle results
        $vehicle_stmt = $conn->prepare($vehicle_sql);
        $vehicle_stmt->execute();

        $vehicle_results = $vehicle_stmt->fetchAll();

        // process manufacturer results
        $mfg_data = [];
        foreach($mfg_results as $mfg_row)
        {
            $mfg_data[] = [
                'id' => $mfg_row['id'],
                'name' => $mfg_row['name'],
            ];
        }

        // process vehicle results
        $make_data = [];
        foreach($vehicle_results as $vrow)
        {
            // format the model year from and model year to
            $model_year = $vrow['model_year_from' ] . ' - ' . $vrow['model_year_to'];
 
            $make_data[] = [
                'id' => $vrow['id'],
                'mfg_id' => $vrow['manufacturer_id'],
                'make' => $vrow['make'],
                'model' => $model_year,
            ];
        }

        $data = [
            'manufacturers' => $mfg_data,
            'vehicles' => $make_data,
        ];

        return new APIResponse(true, 'Vehicles loaded.', $data);
    }
}