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

class Midtrans extends Public_controller {

	private $id_order = NULL; 
	
	function __construct() {
		parent::__construct();	
		$this->load->model('order_m'); 
		$this->load->model('order_detail_m');
		$this->load->model('configuration_m'); 
	}
	
	//when payment is success
	public function receive_veritrans_notification() {

		//Midtrans IP address allowed only
		/* $allowlist = array(
		    '103.208.23.0/24',
			'182.253.221.152/32',
			'103.58.103.177'
		);

		if(!in_array($_SERVER['REMOTE_ADDR'], $allowlist)){
		    show_404();
		}  */

		require_once APPPATH . 'third_party/Veritrans.php';
		
		$this->db->select('veritrans_server_key, veritrans_sandbox_server_key, veritrans_production_mode')->from('configuration')->where('id_configuration', 1);
		$veritrans = $this->db->get()->row();
		$production_mode = $veritrans->veritrans_production_mode; 

		if($production_mode == 'true') {
			Veritrans_Config::$isProduction = true;
			Veritrans_Config::$serverKey = $veritrans->veritrans_server_key;
		} else {
			Veritrans_Config::$isProduction = false;
			Veritrans_Config::$serverKey = $veritrans->veritrans_sandbox_server_key;
		}

		$notif = new Veritrans_Notification();

		$transaction = $notif->transaction_status;
		$type = $notif->payment_type;

		$order_id_array = explode('-', $notif->order_id);
		$order_id = (int) trim($order_id_array[0]);

		$this->id_order = $order_id;
		$fraud = $notif->fraud_status;

		$data = array(
			'log' => serialize($notif),
			'order_id' => $order_id
		);

		if($notif->va_numbers[0]->va_number) {
			$data['va_number'] = $notif->va_numbers[0]->va_number;
		} elseif($notif->permata_va_number) {
			$data['va_number'] = $notif->permata_va_number;			
		}
		$this->db->insert('midtrans_log', $data);	

		//insert va_number into orders table
		if($notif->va_numbers[0]->va_number || $notif->permata_va_number) {
			
			if($notif->va_numbers[0]->va_number) {

				$va_data['va_number'] = $notif->va_numbers[0]->va_number;
				$va_data['payment_method'] = 'Bank Transfer BNI';

			} elseif($notif->permata_va_number) {

				$va_data['va_number'] = $notif->permata_va_number;		
				$va_data['payment_method'] = 'Bank Transfer Permata';	
			}
			$this->db->where('id_orders', $order_id);
			$this->db->update('orders', $va_data);
		}
		
		switch($transaction) { 

			case 'capture':
			// For credit card transaction, we need to check whether transaction is challenge by FDS or not
			if ($type == 'credit_card') {

				if($fraud == 'challenge') {
					
					// TODO set payment status in merchant's database to 'Challenge by FDS'
					// TODO merchant should decide whether this transaction is authorized or not in MAP
					$data = array(
						'payment_status_message' => ucwords($transaction) . '. Fraud Status:' . $fraud,
						'payment_method' => $type
					);

					$this->db->where('id_orders', (int) $order_id);
					$this->db->update('orders', $data);

					echo "Transaction order_id: " . $order_id ." is challenged by FDS";
				
				} else {
					
					//Fraud status accept and transaction capture. Means payment is success
					//check payment status must not be 4 (process) or 5 (delivered)
					$this->db->select('payment_status')->from('orders')->where('id_orders', (int) $order_id);
					$current_payment_status = $this->db->get()->row()->payment_status;

					if($current_payment_status != 4 && $current_payment_status != 5) {

						// TODO set payment status in merchant's database to 'Success'
						$data = array(
							'payment_status_message' => $transaction,
							'payment_confirm' => 1,
							'payment_date' => $notif->transaction_time,	
							'payment_method' => $type,
							'payment_type' => 'midtrans'
						);

						//check if indent_remaining is > 0, yes means has indent payment
						$indent_remaining = $this->db->select('indent_remaining')->from('orders')->where('id_orders', $order_id)->get()->row()->indent_remaining;

						if($indent_remaining > 0) {
							$data['payment_status'] = 6; //partially paid of indent product
						} else {
							$data['payment_status'] = 3; //fully paid
						}

						$this->db->where('id_orders', (int) $order_id);
						$this->db->update('orders', $data);

						//prevent adding point reward twice. Get midtrans_midtrans_already_process_status 
						$this->db->select('midtrans_process_finish')->from('orders')->where('id_orders', $order_id);
						$midtrans_process_finish = $this->db->get()->row()->midtrans_process_finish;

						if($midtrans_process_finish == 'no') {

							//update current point rewards
							//get customer_id
							$this->db->select('customer_id')->from('orders')->where('id_orders', $order_id);
							$customer_id = (int) $this->db->get()->row()->customer_id;

							//get customer current point
							$this->db->select('current_pointreward')->from('customers')->where('id_customers', $customer_id);
							$current_point = (int) $this->db->get()->row()->current_pointreward;

							//get add point from order
							$this->db->select('plus_reward')->from('orders')->where('id_orders', $order_id);
							$rewards = $this->db->get()->row();
							$plus_point = (int) $rewards->plus_reward;

							$updated_point = $current_point + $plus_point;

							//update point reward
							$data = array(
								'current_pointreward' => $updated_point
							);
							$this->db->where('id_customers', $customer_id);
							$this->db->update('customers', $data);

							//change status of midtrans_process_finish to yes
							$order_data = array(
								'midtrans_process_finish' => 'yes'
							);
							$this->db->where('id_orders', $order_id);
							$this->db->update('orders', $order_data);

							$this->process_send_email($order_id);
						}

						echo "Transaction order_id: " . $order_id ." successfully captured using " . $type;
					}
				}
			} 

			break;

			case 'settlement':

				if ($type != 'credit_card') {

					//prevent adding point reward twice. Get midtrans_midtrans_already_process_status 
					$this->db->select('midtrans_process_finish')->from('orders')->where('id_orders', $order_id);
					$midtrans_process_finish = $this->db->get()->row()->midtrans_process_finish;

					if($midtrans_process_finish == 'no') {

						//check payment status must not be 4 (process) or 5 (delivered)
						$this->db->select('payment_status')->from('orders')->where('id_orders', (int) $order_id);
						$current_payment_status = $this->db->get()->row()->payment_status;

						if($current_payment_status != 4 && $current_payment_status != 5) {
							
							$data = array(
								'payment_status_message' => $transaction,
								'payment_confirm' => 1,
								'payment_date' => $notif->transaction_time,	
								'payment_type' => 'midtrans',
							);

							//check if indent_remaining is > 0, yes means has indent payment
							$indent_remaining = $this->db->select('indent_remaining')->from('orders')->where('id_orders', $order_id)->get()->row()->indent_remaining;

							if($indent_remaining > 0) {
								$data['payment_status'] = 6; //partially paid of indent product
							} else {
								$data['payment_status'] = 3; //fully paid
							}
							$this->db->where('id_orders', (int) $order_id);
							$this->db->update('orders', $data);

							//update current point rewards
							//get customer_id
							$this->db->select('customer_id')->from('orders')->where('id_orders', $order_id);
							$customer_id = (int) $this->db->get()->row()->customer_id;

							//get customer current point
							$this->db->select('current_pointreward')->from('customers')->where('id_customers', $customer_id);
							$current_point = (int) $this->db->get()->row()->current_pointreward;

							//get add point from order
							$this->db->select('plus_reward')->from('orders')->where('id_orders', $order_id);
							$rewards = $this->db->get()->row();
							$plus_point = (int) $rewards->plus_reward;

							$updated_point = $current_point + $plus_point;

							//update point reward
							$data = array(
								'current_pointreward' => $updated_point
							);
							$this->db->where('id_customers', $customer_id);
							$this->db->update('customers', $data);

							//change status of midtrans_process_finish to yes
							$order_data = array(
								'midtrans_process_finish' => 'yes'
							);
							$this->db->where('id_orders', $order_id);
							$this->db->update('orders', $order_data);

							$this->process_send_email($order_id);
							
							echo "Transaction order_id: " . $order_id ." successfully transfered using " . $type;
						}
					}	
				}

			break;

			case 'pending':
				// TODO set payment status in merchant's database to 'Pending'
				$data = array(
					'payment_status' => 1, //not paid
					'payment_status_message' => $transaction,
					'payment_confirm' => 0,
					'payment_type' => 'midtrans'
				);

				$this->db->where('id_orders', (int) $order_id);
				$this->db->update('orders', $data);
				
				echo "Transaction order_id: " . $order_id ." pending using " . $type;

				break;

			case 'deny':

				//check payment status must not be 4 (process) or 5 (delivered)
				$this->db->select('payment_status')->from('orders')->where('id_orders', (int) $order_id);
				$current_payment_status = $this->db->get()->row()->payment_status;

				switch ($current_payment_status) {

					case 1: //not paid
					case 2: //cancel
					case 5: //delivered
						$data = array(
							'payment_status_message' => $transaction,
						);
						$this->db->where('id_orders', (int) $order_id);
						$this->db->update('orders', $data);
					break;
					
					case 3: //paid
						$data = array(
							'payment_status_message' => $transaction,
						);
						$this->db->where('id_orders', (int) $order_id);
						$this->db->update('orders', $data);
					break;

					case 4: //process
						$data = array(
							//'payment_status' => 1, //not paid
							'payment_status_message' => $transaction,
							//'payment_confirm' => 0
						);
						$this->db->where('id_orders', (int) $order_id);
						$this->db->update('orders', $data);
					break;	
				}

				break;

			case 'expired':
			case 'cancel':

				$data = array(
					'payment_status_message' => ucwords($transaction),
					'payment_method' => $type
				);

				$this->db->where('id_orders', (int) $order_id);
				$this->db->update('orders', $data);
				
				echo "order_id: " . $order_id . " Method " . $type . " status " . $transaction;

			break;
		}
	}	

	public function veritrans_payment_success() {
		
		$this->data['order_id'] =  $this->session->userdata('midtrans_order_id');

		$this->data['order'] = $this->db->select('*')->from('orders')->where('id_orders',$this->data['order_id'])->get()->row();
		$this->data['order_info'] = $this->data['order'];
		
		$orders_detail = $this->db->select('*')->from('orders_detail')->where('orders_id', $this->data['order']->id_orders)->get()->result();

		if($this->session->userdata('site_lang') == 'english') {
			$this->lang->load('order_history', 'english');
		} else {
			$this->lang->load('order_history', 'indonesian');
		}

		$finalshippingfee = 0;
		$calculate_finalshippingfee =  $this->data['order']->shipping_fee -  $this->data['order']->free_shipping_fee;
		if($calculate_finalshippingfee > 0){
			$finalshippingfee = $calculate_finalshippingfee;
		}

		$this->data['grand_total'] = $this->data['order']->grand_total_amount - $this->data['order']->indent_remaining - $this->data['order']->indent_shipping_fee; 

		//get customer email
		$this->data['email'] = $this->db->select('customers.email')->from('customers')->join('orders', 'customers.id_customers = orders.customer_id')->where('orders.id_orders', $this->data['order_id'])->get()->row()->email;
  
		//get SEO
		$this->data_header['browser_title'] = 'Midtrans Payment Success'; 
		$this->data_header['meta_description'] = 'Midtrans Payment Success';
		$this->data_header['meta_keywords'] = 'Midtrans Payment Success';

		$this->cart->destroy();	

		$this->load->view("themes/$this->theme_no/header", $this->data_header);
		$this->load->view('veritrans_result/success',$this->data);
		$this->load->view("themes/$this->theme_no/footer", $this->data_footer); 
	} 

	public function veritrans_payment_pending() {

		$order_id =  $this->session->userdata('midtrans_order_id');

		$this->db->select('*');
		$this->db->from('orders');
		$this->db->where('id_orders',$order_id);
		$this->data['order'] = $this->db->get()->row();

		$this->db->select('*');
		$this->db->from('orders_detail');
		$this->db->where('orders_id', $this->data['order']->id_orders);
		$orders_detail = $this->db->get()->result();

		//get va number
		$this->db->select('va_number')->from('midtrans_log')->where('order_id', $order_id);
		$this->data['va_number'] =	$this->db->get()->row()->va_number;

		$this->process_send_email($order_id);

		if($this->session->userdata('site_lang') == 'english') {
			$this->lang->load('order_history', 'english');
		} else {
			$this->lang->load('order_history', 'indonesian');
		}

		$this->cart->destroy();	

		//get SEO
		$this->data_header['browser_title'] = 'Midtrans Payment Pending'; 
		$this->data_header['meta_description'] = 'Midtrans Payment Pending';
		$this->data_header['meta_keywords'] = 'Midtrans Payment Pending';

		$this->load->view("themes/$this->theme_no/header", $this->data_header);
		$this->load->view('veritrans_result/pending_english',$this->data);
		$this->load->view("themes/$this->theme_no/footer", $this->data_footer); 
	}

	private function process_send_email($order_id) {

		//----SEND EMAIL TO CUSTOMER 
		//get customer name
		if($this->session->userdata('customer')['customer_id'] != null){
			$customer_id = (int) $this->session->userdata('customer')['customer_id'];
		}
		else{
			$customer_id = $this->db->select('customer_id')->from('orders')->where('id_orders',$order_id)->get()->row()->customer_id;
		}

		$this->db->select('name,phone,type,email')->from('customers')->where('id_customers', $customer_id); 
		$email_data['customer'] = $this->db->get()->row();
		$email_data['email'] = $email_data['customer']->email;


		$cek_customer = '';
		if ($this->session->userdata('customer')['customer_type'] == 'guest') {
		  	$cek_customer = 1;
		} else {
	  		$cek_customer = 0;
	  	}

		$email_data['cek_customer'] = $cek_customer;

		$email_data['emails'] = $this->configuration_m->get_emails();  

		$email_data['subject'] = 'Order Confirmation'; 

		//get order detail and customer detail
		$email_data['order'] = $this->order_m->get_order($order_id);
		$email_data['order_details'] = $this->order_detail_m->get_orders_detail($order_id); 

		//get vouchers detail
		if ($this->session->userdata('chosen_voucher_code')) {
		  	$email_data['chosen_voucher_code'] = $this->session->userdata('chosen_voucher_code');
		  	$email_data['chosen_voucher_type'] = $this->session->userdata('chosen_voucher_type');
				$email_data['chosen_voucher_discount'] = $this->session->userdata('chosen_voucher_discount');  
				$email_data['redeemed_voucher_amount'] = $this->session->userdata('redeemed_voucher_amount');  
		 }   

		 //get shipping fee total
		 $email_data['carrier_name'] = $this->session->userdata('carrier_name'); 
		 $email_data['total_shipping_fee'] = $this->session->userdata('total_shipping_fee'); 

		 //add tax to email, if exist..
		 if($this->session->userdata('tax')) {
			$email_data['tax'] = $this->session->userdata('tax');
		 }

		 //add point reward to email, if exist..
		 if($this->session->userdata('chosen_point')) {
			$email_data['chosen_point'] = $this->session->userdata('chosen_point');
			$email_data['chosen_point_discount'] = $this->session->userdata('chosen_point_discount');
		 }

		 $view_file = 'email/indonesian/midtrans-new';
		
		$this->send_email($view_file, $email_data); //function in My_Controller
	}


	public function veritrans_payment_unfinish() {

		$this->cart->destroy();	

		//get SEO
		$this->data_header['browser_title'] = 'Midtrans Payment Unfinish'; 
		$this->data_header['meta_description'] = 'Midtrans Payment Unfinish';
		$this->data_header['meta_keywords'] = 'Midtrans Payment Unfinish';

		$this->load->view("themes/$this->theme_no/header", $this->data_header);
		$this->load->view('veritrans_result/unfinish');
		$this->load->view("themes/$this->theme_no/footer", $this->data_footer); 
	}


	public function veritrans_payment_error() {

		$this->cart->destroy();	

		//get SEO
		$this->data_header['browser_title'] = 'Midtrans Payment Error'; 
		$this->data_header['meta_description'] = 'Midtrans Payment Error';
		$this->data_header['meta_keywords'] = 'Midtrans Payment Error';

		$this->load->view("themes/$this->theme_no/header", $this->data_header);
		$this->load->view('veritrans_result/error');
		$this->load->view("themes/$this->theme_no/footer", $this->data_footer); 
	}  

	private function destroy_session_data() {

		if($this->session->userdata('customer')['customer_type'] == 'guest') {
			$this->session->unset_userdata('customer');	
		}

		//DESTROY CART AND UNSET SOME SESSION, BUT NOT CUSTOMER SESSION
		$this->cart->destroy();	
		$this->session->unset_userdata('midtrans_order_id');
		$this->session->unset_userdata('grand_total');	
		$this->session->unset_userdata('recipient_name');
		$this->session->unset_userdata('address');		
		$this->session->unset_userdata('id_district');	 
		$this->session->unset_userdata('id_subdistrict');		
		$this->session->unset_userdata('id_province');
		$this->session->unset_userdata('district');	 
		$this->session->unset_userdata('subdistrict');		
		$this->session->unset_userdata('province');
		$this->session->unset_userdata('country');
		$this->session->unset_userdata('postcode');
		$this->session->unset_userdata('phone');
		$this->session->unset_userdata('order_id');	
		$this->session->unset_userdata('is_from_cart');	
		$this->session->unset_userdata('chosen_voucher_type');
		$this->session->unset_userdata('chosen_voucher_discount');
		$this->session->unset_userdata('chosen_voucher_code');
		$this->session->unset_userdata('total_categoryproduct_promo');
		$this->session->unset_userdata('redeemed_voucher_amount');
		$this->session->unset_userdata('total_shipping_fee'); 
		$this->session->unset_userdata('carrier'); 
		$this->session->unset_userdata('carrier_name'); 
		$this->session->unset_userdata('summary_message');
		$this->session->unset_userdata('add_point_reward'); 
		$this->session->unset_userdata('minus_point_reward'); 
		$this->session->unset_userdata('chosen_point');
		$this->session->unset_userdata('chosen_point_discount');
		$this->session->unset_userdata('chosen_payment_type');
		$this->session->unset_userdata('tax');
		$this->session->unset_userdata('productpage_to_cart');
		$this->session->unset_userdata('choose_dropship_status');
		$this->session->unset_userdata('destination_latitude');  
		$this->session->unset_userdata('destination_longitude');
		$this->session->unset_userdata('current_viewed_category_id');
		$this->session->unset_userdata('shipping_cart');
		$this->session->unset_userdata('prescription_uniqid');
	}
	
}