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

if ( ! function_exists('flutterwave_api'))
{
    function flutterwave_api($in)
    {
        $out = array();
        $out['status'] = 'Unhandled error';
        $out['result'] = -1;

        $ch = curl_init();

        /* Example : 
            OrderedMap {
                 "account_bank": "044", 
                 "account_number": "0690000040", 
                 "amount": 5500, 
                 "narration": "Akhlm Pstmn Trnsfr xx007", 
                 "currency": "NGN", 
                 "reference": "akhlm-pstmnpyt-rfxx007_PMCKDU_1", 
                 "debit_currency": "NGN" 
            } 
        */
        $reference = str_replace('.','-',$in['id'].'.'.microtime());
        $out['my_reference'] = $reference;

        // Setup request to send json via POST.
        $payload = json_encode(array(
            "account_bank" => $in['bank_code'],
            "account_number" => $in['account_no'],
            "amount" => $in['amount'],
            "narration" => $in['narration'],
            "currency" => "NGN",
            "reference" => $reference,
            "debit_currency" => "NGN"
        ));

        curl_setopt($ch, CURLOPT_URL,"http://10.20.30.32:9086/create");
        // curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
        
        // Receive server response ...
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        
        $result = curl_exec($ch);
        
        curl_close ($ch);
        
        $data = json_decode($result, true);

        // Further processing ...
        if ($data!=null && is_array($data)) {
            if (array_key_exists('status',$data) && $data['status']=='success') {
                $out['result'] = 0; // OK
                $out['status'] = 'Transfer successful';
                if (array_key_exists('message',$data) && $data['message']!='') {
                    $out['status'].= ': '.$data['message'];
                }
            } else {
                $out['result'] = -3;
                $out['status'] = 'failure';
                if (array_key_exists('status',$data) && $data['status']!='') {
                    $out['status'] = $data['status'];
                }
                if (array_key_exists('message',$data) && $data['message']!='') {
                    $out['status'].= ': '.$data['message'];
                }
                if (array_key_exists('details',$data) && $data['details']!='') {
                    $out['status'].= ': '.$data['details'];
                }
                if (array_key_exists('data',$data) && is_array($data['data']) 
                        && array_key_exists('message',$data['data']) && $data['data']['message']!='') {
                    $out['status'].= ': '.$data['data']['message'];
                }
                if (array_key_exists('data',$data) && is_array($data['data']) 
                        && array_key_exists('data',$data['data']) && is_array($data['data']['data'])
                        && array_key_exists('complete_message',$data['data']['data']) && $data['data']['data']['complete_message']!='') {
                    $out['status'].= ': '.$data['data']['data']['complete_message'];
                }
            }
        } else { 
            $out['result'] = -2;
            $out['stauts'] = 'Invalid service response: ' . $result;
        }
        // Cannot POST /api/create

        $out['response'] = $result;

        return $out;
    }   
}