<?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\SAPBattery;
use App\Entity\SAPBatterySize;
use App\Entity\SAPBatteryBrand;

use Catalyst\AuthBundle\Service\ACLGenerator as ACLGenerator;

class BatteryController extends APIController
{
    protected $acl_gen;

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

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

        $batteries = $em->getRepository(SAPBattery::class)->findBy([], ['id' => 'ASC']);

        $result = [];
        foreach ($batteries as $batt)
        {
            $csize_id = '';
            $csize_name = '';
            if ($batt->getContainerSize() != null)
            {
                $csize_id = $batt->getContainerSize()->getID();
                $csize_name = $batt->getContainerSize()->getName();
            }

            $result[] = [
                'id' => $batt->getID(),
                'size' => $batt->getSize()->getID(),
                'brand' => $batt->getBrand()->getID(),
                'container_size_id' => $csize_id,
                'container_size_name' => $csize_name,
                'date_update' => $batt->getDateUpdate()->format('YmdHis'),
                'flag_new' => $batt->isNew(),
                'flag_inventory' => $batt->isInventory(),
            ];
        }

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

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

    public function getBrands(EntityManagerInterface $em)
    {
        $this->denyAccessUnlessGranted('batterybrand.list', null, 'No access.');
        $brands = $em->getRepository(SAPBatteryBrand::class)->findBy([], ['name' => 'ASC']);

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

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

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

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

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

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

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

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

    public function addBattery(Request $req, EntityManagerInterface $em)
    {
        // required parameters
        $params = [
            'sku',
            'brand_id',
            'size_id',
        ];

        $msg = $this->checkRequiredParameters($req, $params);
        // error_log('msg - ' . $msg);
        if ($msg)
            return new APIResponse(false, $msg);

        $sku = $req->request->get('sku');
        $brand_id = $req->request->get('brand_id');
        $size_id = $req->request->get('size_id');

        // check if sku already exists
        $batt = $em->getRepository(SAPBattery::class)->find($sku);
        if ($batt != null)
            return new APIResponse(false, 'Battery SKU already exists.');

        // check if brand exists
        $batt_brand = $em->getRepository(SAPBatteryBrand::class)->find($brand_id);
        if ($batt_brand == null)
            return new APIResponse(false, 'Invalid brand.');

        // check if size exists
        $batt_size = $em->getRepository(SAPBatterySize::class)->find($size_id);
        if ($batt_size == null)
            return new APIResponse(false, 'Invalid size.');
       

        $new_batt = new SAPBattery();
        $new_batt->setID($sku)
            ->setBrand($batt_brand)
            ->setSize($batt_size);

        try
        {
            $em->persist($new_batt);
            $em->flush();
        }
        catch (UniqueConstraintViolationException $e)
        {
            return new APIResponse(false, 'Battery SKU already exists.');
        }

        // return the new battery data
        $data = [
            'battery' => $this->generateBatteryData($new_batt),
        ];

        return new APIResponse(true, 'Battery added.', $data);
    }

    protected function generateBatteryData(SAPBattery $batt)
    {
        $data = [
            'sku' => $batt->getID(),
            'brand' => $batt->getBrand()->getID(),
            'size' => $batt->getSize()->getID(),
        ];

        return $data;
    }
}