<?php

namespace App\Controller;

use App\Entity\Warranty;
use App\Entity\SAPBattery;
use App\Entity\BatteryModel;
use App\Entity\BatterySize;

use App\Ramcar\WarrantyClass;
use App\Ramcar\WarrantyStatus;

use Doctrine\ORM\Query;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Validator\Validator\ValidatorInterface;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;

use DateTime;

use Catalyst\MenuBundle\Annotation\Menu;

class WarrantyController extends Controller
{
    /**
     * @Menu(selected="warranty_list")
     */
    public function index()
    {
        $this->denyAccessUnlessGranted('warranty.list', null, 'No access.');

        return $this->render('warranty/list.html.twig');
    }

    public function rows(Request $req)
    {
        $this->denyAccessUnlessGranted('warranty.list', null, 'No access.');

        // get query builder
        $qb = $this->getDoctrine()
                ->getRepository(Warranty::class)
                ->createQueryBuilder('q');

        // get datatable params
        $datatable = $req->request->get('datatable');

        // count total records
        $tquery = $qb->select('COUNT(q)');

        // add filters to count query
        $this->setQueryFilters($datatable, $tquery);

        $total = $tquery->getQuery()
            ->getSingleScalarResult();

        // get current page number
        $page = $datatable['pagination']['page'] ?? 1;

        $perpage = $datatable['pagination']['perpage'];
        $offset = ($page - 1) * $perpage;

        // add metadata
        $meta = [
            'page' => $page,
            'perpage' => $perpage,
            'pages' => ceil($total / $perpage),
            'total' => $total,
            'sort' => 'asc',
            'field' => 'id'
        ];

        // build query
        $query = $qb->select('q');

        // add filters to query
        $this->setQueryFilters($datatable, $query);

        // check if sorting is present, otherwise use default
        if (isset($datatable['sort']['field']) && !empty($datatable['sort']['field'])) {
            $order = $datatable['sort']['sort'] ?? 'asc';
            $query->orderBy('q.' . $datatable['sort']['field'], $order);
        } else {
            $query->orderBy('q.id', 'asc');
        }

        // get rows for this page
        $obj_rows = $query->setFirstResult($offset)
            ->setMaxResults($perpage)
            ->getQuery()
            ->getResult();

        // process rows
        $rows = [];
        foreach ($obj_rows as $orow) {
            // add row data
            $row['id'] = $orow->getID();
            $row['serial'] = $orow->getSerial();
            $row['plate_number'] = $orow->getPlateNumber();
            $row['warranty_class'] = $orow->getWarrantyClass();
            $row['status'] = $orow->getStatus();
            $row['is_activated'] = $orow->isActivated();

            // add row metadata
            $row['meta'] = [
                'update_url' => '',
            ];

            // add crud urls
            if ($this->isGranted('warranty.update'))
                $row['meta']['update_url'] = $this->generateUrl('warranty_update', ['id' => $row['id']]);

            $rows[] = $row;
        }

        // response
        return $this->json([
            'meta' => $meta,
            'data' => $rows
        ]); 
    }

     /**
     * @Menu(selected="warranty_list")
     */
    public function addForm()
    {
        $this->denyAccessUnlessGranted('warranty.add', null, 'No access.');

        $params['obj'] = new Warranty();
        $params['mode'] = 'create';

        // get dropdown parameters
        $this->fillDropdownParameters($params);

        // response
        return $this->render('warranty/form.html.twig', $params);
    }

    public function addSubmit(Request $req, ValidatorInterface $validator)
    {
        $this->denyAccessUnlessGranted('warranty.add', null, 'No access.');

        // create new row
        $em = $this->getDoctrine()->getManager();
        $obj = new Warranty();

        $date_purchase = DateTime::createFromFormat('d M Y', $req->request->get('date_purchase'));
        $date_claim = DateTime::createFromFormat('d M Y', $req->request->get('date_claim'));
        $date_expire = DateTime::createFromFormat('d M Y', $req->request->get('date_expire'));

        // set and save values
        $obj->setSerial($req->request->get('serial'))
            ->setWarrantyClass($req->request->get('warranty_class'))
            ->setFirstName($req->request->get('first_name'))
            ->setLastName($req->request->get('last_name'))
            ->setMobileNumber($req->request->get('mobile_number'))
            ->setDatePurchase($date_purchase)
            ->setClaimedFrom($req->request->get('claim_from'))
            ->setStatus($req->request->get('status'));

        if ($date_claim)
        {
            $obj->setDateClaim($date_claim);
        }
        if ($date_expire)
        {
            $obj->setDateExpire($date_expire);
        }

        // custom validation for battery model
        $model = $em->getRepository(BatteryModel::class)
            ->find($req->request->get('battery_model'));

        if (empty($model))
            $error_array['battery_model'] = 'Invalid model selected.';
        else
            $obj->setBatteryModel($model);

        // custom validation for battery size
        $size = $em->getRepository(BatterySize::class)
            ->find($req->request->get('battery_size'));

        if (empty($size))
            $error_array['battery_size'] = 'Invalid size selected.';
        else
            $obj->setBatterySize($size);

        // custom validation for SAP battery
        $sap = $em->getRepository(SAPBattery::class)
            ->find($req->request->get('sap_battery'));

        if (empty($sap))
            $error_array['sap_battery'] = 'Invalid SAP battery selected.';
        else
            $obj->setSAPBattery($sap);

        // validate
        $errors = $validator->validate($obj);

        $cleaned_plate_number = Warranty::cleanPlateNumber($req->request->get('plate_number'));
        if (!$cleaned_plate_number)
        {
            $error_array['plate_number'] = 'Invalid plate number specified.';
        }
        $obj->setPlateNumber($cleaned_plate_number);

        // add errors to list
        foreach ($errors as $error) {
            $error_array[$error->getPropertyPath()] = $error->getMessage();
        }

         // check if any errors were found
        if (!empty($error_array)) {
            // return validation failure response
            return $this->json([
                'success' => false,
                'errors' => $error_array
            ], 422);
        } else {
            // validated! save the entity
            $em->persist($obj);
            $em->flush();

            // return successful response
            return $this->json([
                'success' => 'Changes have been saved!'
            ]);
        }
    }

    /**
     * @Menu(selected="warranty_list")
     */
    public function updateForm($id)
    {
        $this->denyAccessUnlessGranted('warranty.update', null, 'No access.');

        $params['mode'] = 'update';

        // get row data
        $em = $this->getDoctrine()->getManager();
        $obj = $em->getRepository(Warranty::class)->find($id);

        // make sure this row exists
        if (empty($obj))
            throw $this->createNotFoundException('The item does not exist');

        $params['obj'] = $obj;

        // get dropdown parameters
        $this->fillDropdownParameters($params);

        // response
        return $this->render('warranty/form.html.twig', $params);
    }

    public function updateSubmit(Request $req, ValidatorInterface $validator, $id)
    {
        $this->denyAccessUnlessGranted('warranty.update', null, 'No access.');

        // get row data
        $em = $this->getDoctrine()->getManager();
        $obj = $em->getRepository(Warranty::class)->find($id);

        // make sure this row exists
        if (empty($obj))
            throw $this->createNotFoundException('The item does not exist');

        $date_purchase = DateTime::createFromFormat('d M Y', $req->request->get('date_purchase'));
        $date_claim = DateTime::createFromFormat('d M Y', $req->request->get('date_claim'));
        $date_expire = DateTime::createFromFormat('d M Y', $req->request->get('date_expire'));

        // set and save values
        $obj->setSerial($req->request->get('serial'))
            ->setWarrantyClass($req->request->get('warranty_class'))
            ->setFirstName($req->request->get('first_name'))
            ->setLastName($req->request->get('last_name'))
            ->setMobileNumber($req->request->get('mobile_number'))
            ->setDatePurchase($date_purchase)
            ->setClaimedFrom($req->request->get('claim_from'))
            ->setStatus($req->request->get('status'));

        if ($date_claim)
        {
            $obj->setDateClaim($date_claim);
        }
        if ($date_expire)
        {
            $obj->setDateExpire($date_expire);
        }

        // custom validation for battery model
        $model = $em->getRepository(BatteryModel::class)
            ->find($req->request->get('battery_model'));

        if (empty($model))
            $error_array['battery_model'] = 'Invalid model selected.';
        else
            $obj->setBatteryModel($model);

        // custom validation for battery size
        $size = $em->getRepository(BatterySize::class)
            ->find($req->request->get('battery_size'));

        if (empty($size))
            $error_array['battery_size'] = 'Invalid size selected.';
        else
            $obj->setBatterySize($size);

        // custom validation for SAP battery
        $sap = $em->getRepository(SAPBattery::class)
            ->find($req->request->get('sap_battery'));

        if (empty($sap))
            $error_array['sap_battery'] = 'Invalid SAP battery selected.';
        else
            $obj->setSAPBattery($sap);

        // validate
        $errors = $validator->validate($obj);

        $cleaned_plate_number = Warranty::cleanPlateNumber($req->request->get('plate_number'));
        if (!$cleaned_plate_number)
        {
            $error_array['plate_number'] = 'Invalid plate number specified.';
        }
        $obj->setPlateNumber($cleaned_plate_number);

        // add errors to list
        foreach ($errors as $error) {
            $error_array[$error->getPropertyPath()] = $error->getMessage();
        }

         // check if any errors were found
        if (!empty($error_array)) {
            // return validation failure response
            return $this->json([
                'success' => false,
                'errors' => $error_array
            ], 422);
        } else {
            // validated! save the entity
            $em->persist($obj);
            $em->flush();

            // return successful response
            return $this->json([
                'success' => 'Changes have been saved!'
            ]);
        }
    
    }


    protected function fillDropdownParameters(&$params)
    {
        $em = $this->getDoctrine()->getManager();

        $params['batt_models'] = $em->getRepository(BatteryModel::class)->findAll();
        $params['batt_sizes'] = $em->getRepository(BatterySize::class)->findAll();
        $params['sap_batts'] = $em->getRepository(SAPBattery::class)->findAll();
        $params['warranty_classes'] = WarrantyClass::getCollection();
        $params['warranty_statuses'] = WarrantyStatus::getCollection();
    }

    // check if datatable filter is present and append to query
    protected function setQueryFilters($datatable, &$query) {
        if (isset($datatable['query']['data-rows-search']) && !empty($datatable['query']['data-rows-search'])) {
            $query->where('q.serial LIKE :filter')
                ->orWhere('q.plate_number LIKE :filter')
                ->setParameter('filter', '%' . $datatable['query']['data-rows-search'] . '%');
        }
    }
}