<?php
/**
 * Copyright ? 2017 Kemana, Inc. All rights reserved.
 */

namespace Kemana\Vouchers\Model;


/**
 * Class Vouchers
 * @package Kemana\Vouchers\Model
 */
class Vouchers implements \Kemana\Vouchers\Api\VouchersInterface
{
    const TRANS_REVERSE_STATUS  = 0;
    const TRANS_REDEEM_STATUS  = 1;

    protected $_vendorModel;
    /**
     * @var \Kemana\Vouchers\Helper\Data
     */
    protected $_voucherHelper;
    protected $_timezoneInterface;

    /**
     * Vouchers constructor.
     * @param APIHelper $APIHelper
     */
    public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        \Ced\CsMarketplace\Model\Vendor $vendorModel,
        \Kemana\Vouchers\Helper\Data $voucherHelper
    )
    {
        $this->_vendorModel = $vendorModel;
        $this->_voucherHelper = $voucherHelper;
        $this->_timezoneInterface = $context->getLocaleDate();
    }


    /**
     * Get Voucher detail data
     *
     * @param string $voucherCode
     * @return array
     * @throws \Magento\Framework\Exception\LocalizedException
     */
    public function details($voucherCode){
        $isValid = false;
        $errNumber = 0;
        $resultData = array();

		//get voucher detail
		list($resultStatus, $resultData) = $this->getVoucherDetail($voucherCode);

		if($resultStatus){
			$isValid = true;
		}else{
			$isValid = false;
			$errNumber = 2;
		}

        //return results
        if($isValid){
            $voucherCode        = $resultData['voucher_code'];
            $status             = $resultData['status'];
            $provider           = $resultData['provider'];
            $redemptionStart    = $resultData['redemption_start'];
            $redemptionEnd      = $resultData['redemption_end'];
            $redemptionPoint    = $resultData['redemption_point'];
            $customerName       = $resultData['customer_name'];
            $productName        = $resultData['product_name'];
            $sku                = $resultData['sku'];
            $productId          = $resultData['product_id'];
            $redeemDate         = $resultData['redeem_date'];
            $reverseDate        = $resultData['reverse_date'];

            $results= array(
                'voucher_code'          => $voucherCode,
                'voucher_owner'         => $customerName,
                'voucher_status'        => $status,
                'item_name'             => $productName,
                'provider_product_key'  => $sku,
                'cxa_product_key'       => $productId,
                'provider_name'         => $provider,
                'redemption_start_on'   => $redemptionStart,
                'redemption_ends_on'    => $redemptionEnd,
                'redeemed_on'           => $redeemDate,
                'reversed_on'           => $reverseDate,
                'redemption_location'   => $redemptionPoint,
            );

        }else{
            $message = $this->errorMessage($errNumber);
            $parameters = array('voucherCode' => $voucherCode);

            $status = 'fail';
            $results= array(
                'status'            => $status,
                'message'           => $message,
                'parameters'        => $parameters
            );
        }

        return json_encode($results);
    }


    /**
     * Redeem Voucher
     *
     * @param string $voucherCode
     * @param string $pin
     * @return array
     * @throws \Magento\Framework\Exception\LocalizedException
     */
    public function redeem($voucherCode, $pin){
        $isValid = false;
        $errNumber = 0;

        //check PIN
        $isValidAccess = $this->checkPIN($pin);

        if($isValidAccess){
            //redeem voucher process
            list($resultStatus, $resultData) = $this->redeemVoucher($voucherCode, $pin);
            $resultData['additonal_data']=$resultData;
            if($resultStatus){
                $isValid = true;
                $transactionHistory = $resultData['transaction_history'];
            }else{
                $isValid = false;
                $errNumber = $resultData['err_number'];
            }
        }else{
            $isValid = false;
            $errNumber = 1;
        }


        //return results
        if($isValid){
            $status     = 'succcess';
            $message    = __('Voucher Successfully Redeemed');
            $results= array(
                'status'                => $status,
                'message'               => $message,
                'transaction_history'   => $transactionHistory,
            );
        }else{
            $message = $this->errorMessage($errNumber);
            $parameters = array('voucherCode' => $voucherCode, 'pin' => $pin);

            $status = 'fail';
            $results= array(
                'status'            => $status,
                'message'           => $message,
                'parameters'        => $parameters
            );
        }

        return json_encode($results);
    }


    /**
     * Reverse Voucher
     *
     * @param string $voucherCode
     * @param string $pin
     * @return array
     * @throws \Magento\Framework\Exception\LocalizedException
     */
    public function reverse($voucherCode, $pin){
        $isValid = false;
        $errNumber = 0;

        //check PIN
        $isValidAccess = $this->checkPIN($pin);

        if($isValidAccess){
            //reverse voucher process
            list($resultStatus, $resultData) = $this->reverseVoucher($voucherCode, $pin);

            if($resultStatus){
                $isValid = true;
                $transactionHistory = $resultData['transaction_history'];
            }else{
                $isValid = false;
                $errNumber = $resultData['err_number'];
            }
        }else{
            $isValid = false;
            $errNumber = 1;
        }


        //return results
        if($isValid){
            $status     = 'succcess';
            $message    = __('Voucher Successfully Reversed');
            $results= array(
                'status'                => $status,
                'message'               => $message,
                'transaction_history'   => $transactionHistory,
            );
        }else{
            $message = $this->errorMessage($errNumber);
            $parameters = array('voucherCode' => $voucherCode, 'pin' => $pin);

            $status = 'fail';
            $results= array(
                'status'            => $status,
                'message'           => $message,
                'parameters'        => $parameters
            );
        }

        return json_encode($results);
    }


    /**
     * Check PIN
     *
     * @param $pin
     * @return bool
     */
    private function checkPIN($pin){
        $resultStatus = false;
        if ($pin){
            $providerCollection = $this->_vendorModel->getCollection()
                ->addAttributeToSelect('entity_id')
                ->addAttributeToSelect('name')
                ->addAttributeToFilter('pin',array('eq' => $pin));
            if ($providerCollection->count()){
                $resultStatus = true;
            }
        }
        return $resultStatus;
    }


    /**
     * logic to reverse voucher
     *
     * @param $voucherCode
     * @param $pin
     * @return array
     */
    private function reverseVoucher($voucherCode, $pin){
        $resultStatus = false;
        $resultData = array(
            'err_number'        => 2,
            'additonal_data'    => ''
        );

        $voucher=$this->_voucherHelper->getPublicVoucher($voucherCode,$pin);
        if($voucher){
            if ($voucher->getId()){
                $voucherId = $voucher->getId();
                $voucherCode = $voucher->getVoucherCode();
                $providerId = $voucher->getProviderId();
                $provider = $this->_vendorModel->load($providerId);
                if ($provider->getId()){
                    $providerName = $provider->getName();
                    $reverseStatus=$this->_voucherHelper->reverseVoucher($voucherCode,$providerName,$providerId);
                    if ($reverseStatus){
                        $transactionHistory = $this->getTransactionHistory($providerId, self::TRANS_REVERSE_STATUS);

                        $resultStatus = true;
                        $resultData = array('transaction_history'   => $transactionHistory);
                    }else {
                        $resultData['err_number'] = 4;
                    }
                }
            }
        }

        return [$resultStatus, $resultData];
    }


    /**
     * logic to redeem voucher
     *
     * @param $voucherCode
     * @param $pin
     * @return array
     */
    private function redeemVoucher($voucherCode, $pin){
        $resultStatus = false;
        $resultData = array(
            'err_number'        => 2,
            'additonal_data'    => ''
        );

        $voucher=$this->_voucherHelper->getPublicVoucher($voucherCode,$pin);
        if($voucher){
            if ($voucher->getId()){
                $voucherCode = $voucher->getVoucherCode();
                $providerId = $voucher->getProviderId();
                $provider = $this->_vendorModel->load($providerId);
                if ($provider->getId()){
                    $providerName = $provider->getName();
                    $redeemStatus=$this->_voucherHelper->redeemVoucher($voucherCode,$providerName,$providerId);
                    if ($redeemStatus){
                        $transactionHistory = $this->getTransactionHistory($providerId, self::TRANS_REDEEM_STATUS);

                        $resultStatus = true;
                        $resultData = array('transaction_history'   => $transactionHistory);
                    }else {
                        $resultData['err_number'] = 3;
                    }
                }
            }
        }


        return [$resultStatus, $resultData];
    }


    /**
     * get voucher detail
     *
     * @param $voucherCode
     * @return array
     */
    private function getVoucherDetail($voucherCode){
        $resultStatus = false;
        $resultData = array(
            'err_number'        => 2
        );

        $voucher=$this->_voucherHelper->getVoucher($voucherCode);

        if($voucher){
            if ($voucher->getId()){
                $voucherId          = $voucher->getId();
                $voucherCode        = $voucher->getVoucherCode();
                $voucherProvider    = $voucher->getProviderName();
                $voucherCreated     = $this->getLocaleDate($voucher->getVoucherCreatedDate(), 'jS F Y, g:i A');
                $voucherExpiry      = $this->getLocaleDate($voucher->getVoucherExpiredDate(), 'jS F Y, g:i A');
                $customerName       = $voucher->getCustomerName() ? $voucher->getCustomerName() : $voucher->getFirstname() . ' ' . $voucher->getLastname();
                $productName        = $voucher->getProductName();
                $sku                = $voucher->getSku();
                $productId          = $voucher->getProductId();
                $providerId         = $voucher->getProviderId();
                $redeemDate         = '';//data dr mana - cipto
                $reverseDate        = '';//data dr mana - cipto

				$voucherTransaction = $this->_voucherHelper->getTransactionHistory($voucherId);
				if ($voucherTransaction->count()){
					foreach ($voucherTransaction as $transaction){
						$status = $transaction->getStatus(); // 0 Reverse 1 Redeem
						$timestamp = $transaction->getTimestamp();
						if ($status==0){
							if ($reverseDate=='' || ($reverseDate<$timestamp)){
								$reverseDate = $timestamp;
							}
						}else if ($status==1){
							if ($redeemDate=='' || ($redeemDate<$timestamp)){
								$redeemDate = $timestamp;
							}
						}
					}
				}

                $isExpired= $this->_voucherHelper->isExpiredVoucher($voucherId);
                if (!$isExpired){
                    $isRedeemAvailable = $this->_voucherHelper->isRedeemAvailable($voucherId);
                    if ($isRedeemAvailable){
                        $voucherStatus='Open';
                    }else {
                        $voucherStatus='Redeemed';
                    }
                }else {
                    $voucherStatus='Expired';
                }
                $redemptionPoint = $this->_voucherHelper->getRedemptionLocation($voucherId);

                $resultStatus = true;
                $resultData = array(
                    'err_number'        => '',
                    'voucher_code'      => $voucherCode,
                    'status'            => $voucherStatus,
                    'provider'          => $voucherProvider,
                    'redemption_start'  => $voucherCreated,
                    'redemption_end'    => $voucherExpiry,
                    'redemption_point'  => $redemptionPoint,
                    'customer_name'     => $customerName,
                    'product_name'      => $productName,
                    'sku'               => $sku,
                    'product_id'        => $productId,
                    'redeem_date'       => $redeemDate,
                    'reverse_date'      => $reverseDate
                );
            }
        }

        return [$resultStatus, $resultData];
    }


    /**
     * @param $timestamp
     * @param $format
     * @return string
     */
    public function getLocaleDate($timestamp, $format){
        return $this->_timezoneInterface->date($timestamp)->format($format);
    }

    /**
     * get error message
     *
     * @param $errNumber
     * @return \Magento\Framework\Phrase
     */
    private function errorMessage($errNumber){

        if($errNumber == 1){
            $message = __('Invalid PIN');
        }elseif($errNumber == 2){
            $message = __('Voucher Not Found');
        }elseif($errNumber == 3){
            $message = __('Voucher cannot be redeemed');
        }elseif($errNumber == 4){
            $message = __('Voucher cannot be reversed');
        }else{
            $message = __('Unknown Error');
        }

        return $message;
    }


    /**
     * get activity log
     *
     * @param $providerId
     * @param $actionStatus
     * @return array
     */
    public function getTransactionHistory($providerId, $actionStatus){
        $transactionHistory = $this->_voucherHelper->getProviderTransactionHistory($providerId, $actionStatus);

        $logs = array();
        $i = 0;
        if(count($transactionHistory)){
            foreach ($transactionHistory as $history) {

                if($i == 10){ // only get 10 records
                    break;
                }

                $transactionTimestamp = $this->getLocaleDate($history->getTimestamp(), 'jS F Y, g:i A');
                $performedBy            = $history->getPerformedBy();
                $voucherCode            = $history->getVoucherCode();
                $providerName           = $history->getProviderName();
                $productId              = $history->getProductId();
                $productName            = $history->getProductName();
                $voucherTransactionId   = $history->getRlogId(); //data dr mana - cipto
                $voucherId              = $history->getVoucherId(); //data dr mana - cipto
                $createdOn              = $history->getTimestamp(); //data dr mana - cipto

                $transactionStatus = $history->getStatus();
                if ($transactionStatus == 0){
                    $transactionStatus = __('Reverse');
                    $resultantStatus = __('Reversed');
                } else if ($transactionStatus == 1){
                    $transactionStatus = __('Redeem');
                    $resultantStatus = __('Redeemed');
                } else {
                    $transactionStatus = __('Renew');
                    $resultantStatus = __('Renewed');
                }
                $transactionType        = $resultantStatus;

                $logs[] = array(
                                'voucher_transaction_id'    => $voucherTransactionId,
                                'voucher_id'                => $voucherId,
                                'voucher_code'              => $voucherCode,
                                'provider_id'               => $providerId,
                                'provider_name'             => $providerName,
                                'product_id'                => $productId,
                                'product_name'              => $productName,
                                'transaction_type'          => $transactionType,
                                'created_on'                => $createdOn

//                                'action'            => $transactionStatus,
//                                'timestamp'         => $transactionTimestamp,
//                                'performed_by'      => $performedBy,
//                                'resultant_status'  => $resultantStatus
                );
                $i++;
            }
        }

        return $logs;
    }

}