<?php if(!defined('BASEPATH')) exit('No direct script access allowed');


require_once APPPATH.'third_party/vendor/autoload.php';

use Razorpay\Api\Api;
use Razorpay\Api\Errors\SignatureVerificationError;


class Razorpay {

	public function rzRedirect($param){
		header("Pragma: no-cache");
		header("Cache-Control: no-cache");
		header("Expires: 0");

		if(!empty($param)){

			if((isset($param['key']) && isset($param['key_secret'])) && (!empty($param['key']) && !empty($param['key_secret']))){

				$api = new Api($param['key'], $param['key_secret']);

				if(isset($param['order_amount']) && $param['order_amount']>0){
					$orderData = [
					    'receipt'         => $param['reciept_no'],
					    'amount'          => $param['order_amount'] * 100, // 1 rupees in paise
					    'currency'        => 'INR',
					    'payment_capture' => 1 // auto capture
					];

					$razorpayOrder = $api->order->create($orderData);

					if(!empty($razorpayOrder) && $razorpayOrder['status']=='created'){

						$razorpayOrderId = $razorpayOrder['id'];

						$data = [
						    "key"               => $param['key'],
						    "amount"            => $param['order_amount'],
						    "name"              => $param['order_name'],
						    "description"       => $param['order_description'],
						    "image"             => $param['order_logo'],
						    "prefill"           => [
						    "name"              => $param['order_name'],
						    "email"             => $param['order_cust_email'],
						    "contact"           => $param['order_cust_ph'],
						    ],
						    "notes"             => [
						    "address"           => $param['order_address'],
						    "merchant_order_id" => $param['order_id'],
						    ],
						    "theme"             => [
						    "color"             => $param['order_screen_color']
						    ],
						    "order_id"          => $razorpayOrderId,
						];

						// if ($displayCurrency !== 'INR')
						// {
						//     $data['display_currency']  = $displayCurrency;
						//     $data['display_amount']    = $displayAmount;
						// }

						$json = json_encode($data);

						//print_obj($json);die;

						?>
						<button id="rzp-button1" style="display: none;">Pay with Razorpay</button>
						
						<form name='razorpayform' action="<?php echo $param['order_action_url'];?>" method="POST">
							<input type="hidden" name="razorpay_order_code" id="razorpay_order_code" value="<?php echo $param['order_id'];?>">
							<input type="hidden" name="razorpay_order_id" id="razorpay_order_id" value="<?php echo $razorpayOrderId;?>">
						    <input type="hidden" name="razorpay_payment_id" id="razorpay_payment_id">
						    <input type="hidden" name="razorpay_signature"  id="razorpay_signature" >
						</form>
						<script>
						// Checkout details as a json
						var options = <?php echo $json?>;

						/**
						 * The entire list of Checkout fields is available at
						 * https://docs.razorpay.com/docs/checkout-form#checkout-fields
						 */
						options.handler = function (response){
						    document.getElementById('razorpay_payment_id').value = response.razorpay_payment_id;
						    document.getElementById('razorpay_signature').value = response.razorpay_signature;
						    document.razorpayform.submit();
						};

						// Boolean whether to show image inside a white frame. (default: true)
						options.theme.image_padding = false;

						options.modal = {
						    ondismiss: function() {
						        //alert("This code runs when the popup is closed");
						        // localStorage.setItem('razorpay_status','cancelled');
						        //_load_install_ments_form(stu_id,admission_id,inst_id,course_id,session_id);
						        window.location.reload();
						        $('#rzdiv').html('');
						    },
						    // Boolean indicating whether pressing escape key 
						    // should close the checkout form. (default: true)
						    escape: false,
						    // Boolean indicating whether clicking translucent blank
						    // space outside checkout form should close the form. (default: false)
						    backdropclose: false
						};

						var rzp = new Razorpay(options);

						document.getElementById('rzp-button1').onclick = function(e){
						    rzp.open();
						    e.preventDefault();
						    //localStorage.setItem('razorpay_status','initiated');
						}
						</script>
						<?php

					}else{
						return 'Uncaught error occurred.Try after some time.';
					}


				}else{
					return 'Payment can not be proceed either payment amount not set or it is zero based amount given.';
				}	

			}else{
				return 'Keys are missing';
			}

			
		}else{
			return 'Parameters are empty';
		}
	}

	public function rzResponse($param){
		// header("Pragma: no-cache");
		// header("Cache-Control: no-cache");
		// header("Expires: 0");

		$success = true;

		if(!empty($param)){
			if((isset($param['key']) && isset($param['key_secret'])) && (!empty($param['key']) && !empty($param['key_secret']))){

				$api = new Api($param['key'], $param['key_secret']);

				if((isset($param['order_id']) && isset($param['order_payment_id']) && isset($param['order_signature'])) && (!empty($param['order_id']) && !empty($param['order_payment_id']) && !empty($param['order_signature']))){

					try
				    {
				        // Please note that the razorpay order ID must
				        // come from a trusted source (session here, but
				        // could be database or something else)
				        $attributes = array(
				            'razorpay_order_id' => $param['order_id'],
				            'razorpay_payment_id' => $param['order_payment_id'],
				            'razorpay_signature' => $param['order_signature']
				        );

				        $verification=$api->utility->verifyPaymentSignature($attributes);

				        // print_obj($verification);die;
				    }
				    catch(SignatureVerificationError $e)
				    {
				        $success = false;
				        $return['error'] = 'Razorpay Error : ' . $e->getMessage();
				    }

				    if ($success === true)
					{
					    $paymentId=$param['order_payment_id'];
					    $payment_response=$api->payment->fetch($paymentId);

					    //print_obj($payment_response);die;


					    $payment_data=array(
					    	'status'=>$payment_response['status'],
					    	'customer_email'=>$payment_response['email'],
					    	'customer_ph'=>$payment_response['contact'],
					    	'payment_id'=>$payment_response['id'],
					    	'order_id'=>$payment_response['order_id'],
					    	'payment_signature'=>$param['order_signature'],
					    	'invoice_id'=>$payment_response['invoice_id'],
					    	'payment_amount'=>$payment_response['amount']/100
					    );

					    $return['payment_response']=$payment_data;
					}
					else
					{
					    $return['error']='Razorpay Error';
					}

				}else{
					$return['error']='Order Id & Payment Id are required.';
				}

			}else{
				$return['error']='Keys are missing';
			}
		}else{
			$return['error']='Prameters are empty';
		}

		return json_encode($return);
	}

	public function rzSettlements($param){
		header("Pragma: no-cache");
		header("Cache-Control: no-cache");
		header("Expires: 0");

		if(!empty($param)){
			if((isset($param['key']) && isset($param['key_secret'])) && (!empty($param['key']) && !empty($param['key_secret']))){
				$api = new Api($param['key'], $param['key_secret']);

				if($param['type']==='recon'){
					$response=$api->settlement->settlementRecon(array('year' => $param['year'], 'month' => $param['month'], 'day'=>$param['day']));
				}else if($param['type']==='all'){
					$options=null;

					$response=$api->settlement->all($options);
				}

					

				print_obj($response);
			}else{
				return 'Keys are missing';
			}
		}else{
			return 'Parameters are empty';
		}
	}


	public function rzFetchPayments($param){
		header("Pragma: no-cache");
		header("Cache-Control: no-cache");
		header("Expires: 0");

		if(!empty($param)){
			if((isset($param['key']) && isset($param['key_secret'])) && (!empty($param['key']) && !empty($param['key_secret']))){
				$api = new Api($param['key'], $param['key_secret']);

				if(isset($param['fetch_type']) && $param['fetch_type']==='all'){

					$options=null;

					$response=$api->payment->all($options);

				}else if(isset($param['fetch_type']) && $param['fetch_type']==='single'){

					if(isset($param['payment_id']) && $param['payment_id']!==null){
						
						$response=$api->payment->fetch($param['payment_id']);

						return $response;
					}else{
						return 'Payment id is missing';
					}					
				}
			}else{
				return 'Keys are missing';
			}
		}else{
			return 'Parameters are empty';
		}
	}

}