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

class Ipay88 extends Public_Controller
{
    public function index()
    {
        $data['url'] = $this->input->get('url');
        $data['signature'] = $this->input->get('signature'); 
        $data['checkoutid'] = $this->input->get('checkoutid');

        $this->load->view('ipay88/ipay88', $data);
    }

    public function response()
    {
        $merchantCode = $this->input->post('MerchantCode');
        $refNo= $this->input->post('RefNo');

        if(!$merchantCode || !$refNo)
        {
            show_404(); exit;
        }

        //get merchantCode
        $curr_merchantcode = $this->db->select('ipay88_merchantcode')
        ->from('configuration')->where('id_configuration', 1)->get()->row()->ipay88_merchantcode;

        if($curr_merchantcode != $merchantCode)
        {
            show_404(); exit;
        }

        //get transaction status
        $transaction = $this->db->select('payment_status')->from('orders')
        ->where('id_orders', $refNo)->where('payment_type !=', 'bank transfer')
        ->get()->row_array();

        if(!$transaction)
        {
            show_404(); exit;
        }

        if($transaction['payment_status'] == 1)
        {
            $this->load->view('ipay88/success');
        }
        else
        {
            $this->load->view('ipay88/fail');
        }
    }

    public function notification()
    {
        $json_response = file_get_contents('php://input');
        $response = json_decode($json_response);

        //save response into table
        $data = array(
            'ipay88_inquiry_log' => $json_response
        );
        $this->db->where('id_orders', $response->RefNo);
        $this->db->update('orders', $data);

        //save response into ipay88_notif_log
         $data_inst = array(
            'log' => $json_response
        );
        $this->db->insert('ipay88_notif_log', $data_inst);

        define('JSON_TYPE', 'application/json');

        $config = $this->db->select(
          'ipay88_merchantcode, ipay88_merchantkey')
          ->from('configuration')
          ->where('id_configuration', 1)
          ->get()
          ->row_array();

        //Check signature
        $signature = hash('sha256', "||" . $config['ipay88_merchantkey'] . "||"
        . $config['ipay88_merchantcode'] . "||" . $response->PaymentId
        . "||" . $response->RefNo . "||" . $response->Amount . "||"
        . $response->Currency . "||" . $response->TransactionStatus . "||" );

        if($signature != $response->Signature)
        {
            return $this->output
            ->set_content_type(JSON_TYPE)
            ->set_status_header(400)
            ->set_output(json_encode([
                'Code' 	  => '0',
                'Message' => array(
                    'English'     => 'Auntentication Failed',
                    'Indonesian'  => 'Otentikasi gagal'
                )
            ]));
        }

        //Check transaction status, if success, change order status
        if($response->TransactionStatus == '0')
        {
            return $this->output
            ->set_content_type(JSON_TYPE)
            ->set_status_header(400)
            ->set_output(json_encode([
                'Code' 	  => '0',
                'Message' => array(
                    'English'     => 'Transaction Failed',
                    'Indonesian'  => 'Transaksi Gagal'
                )
            ]));
        }

        if($response->TransactionStatus == '6')
        {
            return $this->output
            ->set_content_type(JSON_TYPE)
            ->set_status_header(400)
            ->set_output(json_encode([
                'Code' 	  => '0',
                'Message' => array(
                    'English'     => 'Transaction Pending',
                    'Indonesian'  => 'Transaksi Pending'
                )
            ]));
        }

        //change order status
        $update_data = array(
          'payment_status'  => 1,
          'payment_confirm' => 1,
          'payment_date'    => date('Y-m-d H:i:s'),
        );
        $this->db->where('id_orders', $response->RefNo);
        $this->db->update('orders', $update_data);

        return $this->output
        ->set_content_type(JSON_TYPE)
        ->set_status_header(200)
        ->set_output(json_encode([
            'Code' 	  => '1',
            'Message' => array(
                'English'     => 'Status Received',
                'Indonesian'  => 'Pembayaran diterima'
            )
        ]));
    }
}