<?php

namespace App;

use App\Model\Pharmacy;
use App\Model\Drug;
use App\Model\PharmacyDrug;
use App\Repository\PharmacyRepository;
use App\Repository\DrugRepository;
use App\Repository\PharmacyDrugRepository;


class Controller
{
    protected $action;

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

    public function execute()
    {
        switch ($this->action) {
            case '':
            case 'main':
                $this->mainAction();
                break;
            case 'index-pharmacy':
                $this->indexPharmacyAction();
                break;
            case 'create-pharmacy':
                $this->createPharmacyAction();
                break;
            case 'view-pharmacy':
                $this->viewPharmacyAction();
                break;
            case 'update-pharmacy':
                $this->updatePharmacyAction();
                break;
            case 'delete-pharmacy':
                $this->deletePharmacyAction();
                break;


            case 'index-drug':
                $this->indexDrugAction();
                break;
            case 'create-drug':
                $this->createDrugAction();
                break;
            case 'view-drug':
                $this->viewDrugAction();
                break;
            case 'update-drug':
                $this->updateDrugAction();
                break;
            case 'delete-drug':
                $this->deleteDrugAction();
                break;


            case 'index-pharmacydrug':
                $this->indexPharmacyDrugAction();
                break;
            case 'create-pharmacydrug':
                $this->createPharmacyDrugAction();
                break;
            case 'view-pharmacydrug':
                $this->viewPharmacyDrugAction();
                break;
            case 'update-pharmacydrug':
                $this->updatePharmacyDrugAction();
                break;
            case 'delete-pharmacydrug':
                $this->deletePharmacyDrugAction();
                break;
                

            default:
                $this->errorAction();
        }
    }

    protected function mainAction()
    {
        require_once('view/main.php');
    }

    protected function errorAction()
    {
        require_once('view/error.php');
        exit();
    }


    protected function indexPharmacyAction()
    {
        $pharmacyRepository = new PharmacyRepository();
        $pharmacies = $pharmacyRepository->findAll();
        require_once('view/pharmacy/index.php');
    }

    protected function viewPharmacyAction()
    {
        $id = $this->getId();
        $pharmacyRepository = new PharmacyRepository();
        $pharmacy = $pharmacyRepository->findById($id);
        if (!$pharmacy) {
            $this->errorAction();
        }
        require_once('view/pharmacy/view.php');
    }


    protected function updatePharmacyAction()
    {
        if ($_SERVER['REQUEST_METHOD'] === 'GET') {
            $id = $this->getId();
            $pharmacyRepository = new PharmacyRepository();
            $pharmacy = $pharmacyRepository->findById($id);
            if (!$pharmacy) {
                $this->errorAction();
            }
            $action = 'update';
            require_once('view/pharmacy/form.php');
            return;
        }

        $pharmacyName = isset($_POST['pharmacyName']) ? trim($_POST['pharmacyName']) : null;
        $pharmacyCity = isset($_POST['pharmacyCity']) ? trim($_POST['pharmacyCity']) : null;
        $pharmacyStreet = isset($_POST['pharmacyStreet']) ? trim($_POST['pharmacyStreet']) : null;
        $pharmacyHouse = isset($_POST['pharmacyHouse']) ? trim($_POST['pharmacyHouse']) : null;
        $pharmacyPhone = isset($_POST['pharmacyPhone']) ? trim($_POST['pharmacyPhone']) : null;
        $id = isset($_POST['id']) ? trim($_POST['id']) : null;

        $pharmacy = new Pharmacy($pharmacyName, $pharmacyCity, $pharmacyStreet,  $pharmacyHouse, $pharmacyPhone, $id);

        if ($pharmacy->validate()) {
            $pharmacyRepository = new PharmacyRepository();
            $pharmacyRepository->update($pharmacy);

            header('Location: index.php?action=index-pharmacy');
            return;
        }
        $this->errorAction();
    }

    protected function createPharmacyAction()
    {
        if ($_SERVER['REQUEST_METHOD'] === 'GET') {
            $action = 'create';
            require_once('view/pharmacy/form.php');
            return;
        }

        $pharmacyName = isset($_POST['pharmacyName']) ? trim($_POST['pharmacyName']) : null;
        $pharmacyCity = isset($_POST['pharmacyCity']) ? trim($_POST['pharmacyCity']) : null;
        $pharmacyStreet = isset($_POST['pharmacyStreet']) ? trim($_POST['pharmacyStreet']) : null;
        $pharmacyHouse = isset($_POST['pharmacyHouse']) ? trim($_POST['pharmacyHouse']) : null;
        $pharmacyPhone = isset($_POST['pharmacyPhone']) ? trim($_POST['pharmacyPhone']) : null;

        $pharmacy = new Pharmacy($pharmacyName, $pharmacyCity, $pharmacyStreet,  $pharmacyHouse, $pharmacyPhone);

        if ($pharmacy->validate()) {
            $pharmacyRepository = new PharmacyRepository();
            $pharmacyRepository->save($pharmacy);
        }

        header('Location: index.php?action=index-pharmacy');
    }

    protected function deletePharmacyAction()
    {
        $id = $this->getId();
        $pharmacyRepository = new PharmacyRepository();
        $pharmacyRepository->delete($id);
        header('Location: index.php?action=index-pharmacy');
    }


    protected function indexDrugAction()
    {
        $drugRepository = new DrugRepository();
        $drugs = $drugRepository->findAll();
        require_once('view/drug/index.php');
    }

    protected function viewDrugAction()
    {
        $id = $this->getId();
        $drugRepository = new DrugRepository();
        $drug = $drugRepository->findById($id);
        if (!$drug) {
            $this->errorAction();
        }
        require_once('view/drug/view.php');
    }


    protected function updateDrugAction()
    {
        if ($_SERVER['REQUEST_METHOD'] === 'GET') {
            $id = $this->getId();
            $drugRepository = new DrugRepository();
            $drug = $drugRepository->findById($id);
            if (!$drug) {
                $this->errorAction();
            }
            $action = 'update';
            require_once('view/drug/form.php');
            return;
        }

        $drugName = isset($_POST['drugName']) ? trim($_POST['drugName']) : null;
        $drugGroup = isset($_POST['drugGroup']) ? trim($_POST['drugGroup']) : null;
        $id = isset($_POST['id']) ? trim($_POST['id']) : null;


        $drug = new Drug($drugName, $drugGroup, $id);

        if ($drug->validate()) {
            $drugRepository = new DrugRepository();
            $drugRepository->update($drug);

            header('Location: index.php?action=index-drug');
            return;
        }
        $this->errorAction();
    }

    protected function createDrugAction()
    {
        if ($_SERVER['REQUEST_METHOD'] === 'GET') {
            $action = 'create';
            require_once('view/drug/form.php');
            return;
        }

        $drugName = isset($_POST['drugName']) ? trim($_POST['drugName']) : null;
        $drugGroup = isset($_POST['drugGroup']) ? trim($_POST['drugGroup']) : null;


        $drug = new Drug($drugName, $drugGroup);

        if ($drug->validate()) {
            $drugRepository = new DrugRepository();
            $drugRepository->save($drug);
        }

        header('Location: index.php?action=index-drug');
    }

    protected function deleteDrugAction()
    {
        $id = $this->getId();
        $drugRepository = new DrugRepository();
        $drugRepository->delete($id);
        header('Location: index.php?action=index-drug');
    }

    
    protected function getId()
    {
        $id = isset($_GET['id']) ? $_GET['id'] : null;
        if (!empty($id)) {
            return $id;
        }
        $this->errorAction();
    }


    protected function indexPharmacyDrugAction()
    {
        $pharmacyDrugRepository = new PharmacyDrugRepository();
        $pharmacyDrugs = $pharmacyDrugRepository->findAll();
        require_once('view/pharmacyDrug/index.php');
    }

    protected function viewPharmacyDrugAction()
    {
        $idPharmacyArr = $this->getPharmacyDrugId();
        $pharmacyDrugRepository = new PharmacyDrugRepository();
        $pharmacyDrug = $pharmacyDrugRepository->findById($idPharmacyArr['idPharmacy'], $idPharmacyArr['idDrug']);
        if (!$pharmacyDrug) {
            $this->errorAction();
        }
        require_once('view/pharmacyDrug/view.php');
    }


    protected function updatePharmacyDrugAction()
    {
        if ($_SERVER['REQUEST_METHOD'] === 'GET') {
            $idPharmacyArr = $this->getPharmacyDrugId();
            $pharmacyRepository = new PharmacyRepository();
            $pharmacies[] = $pharmacyRepository->findById($idPharmacyArr['idPharmacy']);
            $drugRepository = new DrugRepository();
            $drugs[] = $drugRepository->findById($idPharmacyArr['idDrug']);
            $pharmacyDrugRepository = new PharmacyDrugRepository();
            $pharmacyDrug = $pharmacyDrugRepository->findById($idPharmacyArr['idPharmacy'], $idPharmacyArr['idDrug']);
            if (!$pharmacyDrug) {
                $this->errorAction();
            }
            $action = 'update';
            require_once('view/pharmacyDrug/form.php');
            return;
        }

        $pharmacyDrugIdPharmacy = isset($_POST['idPharmacy']) ? trim($_POST['idPharmacy']) : null;
        $pharmacyDrugIdDrug = isset($_POST['idDrug']) ? trim($_POST['idDrug']) : null;
        $pharmacyDrugQuantity = isset($_POST['pharmacyDrugQuantity']) ? trim($_POST['pharmacyDrugQuantity']) : null;


        $pharmacyDrug = new PharmacyDrug($pharmacyDrugIdPharmacy, $pharmacyDrugIdDrug, $pharmacyDrugQuantity);

        if ($pharmacyDrug->validate()) {
            $pharmacyDrugRepository = new PharmacyDrugRepository();
            $pharmacyDrugRepository->update($pharmacyDrug);

            header('Location: index.php?action=index-pharmacydrug');
            return;
        }
        $this->errorAction();
    }

    protected function createPharmacyDrugAction()
    {
        if ($_SERVER['REQUEST_METHOD'] === 'GET') {
            $action = 'create';
            //Get from database all Pharmacies array $pharmacies and all Drugs array $drugs
            //for List name = "pharmacydrugPharmacy" option value="$pharmacy->id" $pharmacy->Name
            //for List name = "pharmacydrugDrug" option value="$drug->id" $drug->Name
            $pharmacyRepository = new PharmacyRepository();
            $pharmacies = $pharmacyRepository->findAll();
            $drugRepository = new DrugRepository();
            $drugs = $drugRepository->findAll();
            require_once('view/pharmacyDrug/form.php');
            return;
        }
        
        $pharmacyDrugPharmacy = isset($_POST['pharmacydrugPharmacy']) ? trim($_POST['pharmacydrugPharmacy']) : null;
        $pharmacyDrugDrug = isset($_POST['pharmacydrugDrug']) ? trim($_POST['pharmacydrugDrug']) : null;
        $pharmacyDrugQuantity = isset($_POST['pharmacyDrugQuantity']) ? trim($_POST['pharmacyDrugQuantity']) : null;

        $pharmacyDrug = new PharmacyDrug($pharmacyDrugPharmacy, $pharmacyDrugDrug, $pharmacyDrugQuantity);

        if ($pharmacyDrug->validate()) {
            $pharmacyDrugRepository = new PharmacyDrugRepository();
            $pharmacyDrugRepository->save($pharmacyDrug);
        }

        header('Location: index.php?action=index-pharmacydrug');
    }

    protected function deletePharmacyDrugAction()
    {
        $idPharmacyArr = $this->getPharmacyDrugId();
        $pharmacyDrugRepository = new PharmacyDrugRepository();
        $pharmacyDrugRepository->delete($idPharmacyArr['idPharmacy'], $idPharmacyArr['idDrug']);
        header('Location: index.php?action=index-pharmacydrug');
    }

    protected function getPharmacyDrugId() : array
    {
        $idPharmacy = isset($_GET['idpharmacy']) ? $_GET['idpharmacy'] : null;
        $idDrug = isset($_GET['iddrug']) ? $_GET['iddrug'] : null;
        if (!empty($idPharmacy) && !empty($idDrug)) {
            return array(
                'idPharmacy' => $idPharmacy,
                'idDrug' => $idDrug
            );
        }
        $this->errorAction();
    }


}