<?php
if (!defined('ABSPATH')) die; //no direct access

class Affiliate_Power_Api_Financeads{


	static public function checkLogin($user_id, $auth_key) {
		
		$StartDate = date('Y-m-d', time()-3600*24);
		$EndDate = date('Y-m-d');
		
		$report_url = 'https://data.financeads.net/api/statistics.php';
		$report_url .= '?site=l_all';
		$report_url .= '&time_from='.$StartDate; //inclusive
		$report_url .= '&time_to='.$EndDate; //exclusive
                $report_url .= '&format=xml';
                //if(is_numeric($wf_id)) $report_url .= '&w='.$wf_id; //Werbefläche ID
                $report_url .= '&user='.$user_id; // User ID
                $report_url .= '&key='.$auth_key; // key

		$http_params = array ();
                
		$http_answer = wp_remote_get($report_url, $http_params);
                
                $str_access = stripos(trim($http_answer['body']), 'Zugriff verweigert!');
                $str_wrongparam = stripos(trim($http_answer['body']), 'Wrong Parameter:');
                
                 $acces=1;
                
                if(!is_bool($str_access) && $str_access == 0)
                    $acces=0;     
                if(!is_bool($str_wrongparam) && $str_wrongparam == 0)
                    $acces=0;
                
		
		if (is_wp_error($http_answer) || $http_answer['response']['code'] != 200 || $acces==0) return false;
		
		return true;
	}
	
	
	static public function downloadTransactions($user_id, $auth_key, $fromTS, $tillTS, $wf_id) {
	
		$fromTS_temp = $fromTS;
		$tillTS_temp = $tillTS; //$fromTS + 3600*24; //get 
		$output_transactions = array();
		
		while ($tillTS_temp <= $tillTS) {
		
			$StartDate = date('Y-m-d', $fromTS_temp);
			$EndDate = date('Y-m-d', $tillTS_temp);
			
			$report_url = 'https://data.financeads.net/api/statistics.php';
                        $report_url .= '?site=l_all';
                        $report_url .= '&time_from='.$StartDate; //inclusive
                        $report_url .= '&time_to='.$EndDate; //exclusive
                        $report_url .= '&format=xml';
                        $report_url .= '&user='.$user_id; // User ID
                        $report_url .= '&key='.$auth_key; // API key
                        if(is_numeric($wf_id)) 
                            $report_url .= '&w='.$wf_id; //Werbefläche ID

			$http_params = array (
				'timeout' => 90,
				//'headers' => array('Content-Type' => 'text/html; charset=utf-8')
			);
			
			$http_answer = wp_remote_get($report_url, $http_params);
	
			
			if (is_wp_error($http_answer) || $http_answer['response']['code'] != 200) {
				//todo: error handling, mail to admin etc.

				return $output_transactions;
			}
			
			if(!class_exists("DOMDocument")) {
				//todo: error handling, mail to admin etc.

				return $output_transactions;
			}
			
			$dom = new DOMDocument();
			$dom->loadXML(iconv('UTF-8', 'ISO-8859-1//TRANSLIT//IGNORE', $http_answer['body'])); //posted XML
			$arrTransactions = $dom->getElementsByTagName('lead');
                        
                        
			foreach ($arrTransactions as $transaction) {
			
				$number = $transaction->getElementsByTagName('l_oid')->item(0)->nodeValue;
				$datetime = $transaction->getElementsByTagName('l_datum')->item(0)->nodeValue.' '.$transaction->getElementsByTagName('l_zeit')->item(0)->nodeValue;
				$sub_id = $transaction->getElementsByTagName('l_wfsubid')->item(0)->nodeValue;
				$shop_id = $transaction->getElementsByTagName('l_prid')->item(0)->nodeValue;
				$shop_name = $transaction->getElementsByTagName('bezeichnung')->item(0)->nodeValue;
				$price = $transaction->getElementsByTagName('l_value')->item(0)->nodeValue;
				$commission = $transaction->getElementsByTagName('l_provision')->item(0)->nodeValue;
				$checkdatetime_db = $transaction->getElementsByTagName('l_datum_eintrag')->item(0)->nodeValue;
				$status = $transaction->getElementsByTagName('l_status')->item(0)->nodeValue;
                $transaction_type = $transaction->getElementsByTagName('l_provision_art')->item(0)->nodeValue;
				
				//unique order_id
				$number .= "_".$transaction_type;

				
                if($transaction_type == 'f') 
                    $transaction_type='s';
                                
				if ($status == '2') {
					$status = 'Confirmed';
					$confirmed = $commission;
				}
				elseif ($status == '1') {
					$status = 'Open';
					$confirmed = 0;
				}
                else {
                                        
					$status = 'Cancelled';
					$confirmed = 0;
                                
				}

                               
				$output_transactions[] = array(
								'network' => 'financeAds', 
								'number' => $number,
								'datetime_db' => $datetime,
								'sub_id' => $sub_id,
								'shop_id' => $shop_id,
								'shop_name' => $shop_name,
								'transaction_type' => strtoupper($transaction_type),
								'price' => $price,
								'commission' => $commission,
								'confirmed' => $confirmed,
								'checkdatetime_db' => $checkdatetime_db,
								'status' => $status
					);
					
			} //foreach
			
			//prepare next request
			$fromTS_temp = $tillTS_temp;
			$tillTS_temp += 3600*24*25;
		}
		
		return $output_transactions;
		
	} //function


}