<?php

class TMGroupAdd
{
	private $username = ''; 
	private $password = ''; 
	private $groupName = ''; 

	private $url = 'http://www.textmarketer.biz/services/rest/group'; 
	
	private $qtyAdded, $qtyStopped, $qtyDuplicates;
	private $added=array(), $stopped=array(), $duplicates=array();

	public function __construct($groupName, $apiUsername, $apiPassword) {
		$this->groupName = $groupName;
		$this->username = $apiUsername;
		$this->password = $apiPassword;
	}
	
	/**
	 * Get any numbers that were not added because they were in a stop group
	 * @return array 
	 */
	public function getStopped()
	{
		return $this->stopped;
	}

	/**
	 * Get any numbers that were added
	 * @return array 
	 */
	public function getAdded()
	{
		return $this->added;
	}

	/**
	 * Get any numbers that were not added because they were already in the group
	 * @return array 
	 */
	public function getDuplicates()
	{
		return $this->duplicates;
	}

	/**
	 * Make the HTTP request. 
	 * 
	 * @param integer $number
	 * @return boolean success of add 
	 */
	public function add($number)
	{
		if (empty($this->groupName) OR empty ($this->username) OR empty ($this->password))
			return false;
		
		$valid = false;
		
		// remove non-numerics
		$number = preg_replace("/[^0-9]/", "", $number);
		if(!is_numeric($number))
			return false;
		
		$url_array = array('numbers'=>$number,'name'=>$this->groupName,
				'username'=>$this->username, 'password'=>$this->password);
		$url_string = http_build_query($url_array, '', '&');

		// we're using the curl library to make the request
		$curlHandle = curl_init();
		curl_setopt($curlHandle, CURLOPT_URL, $this->url);
		curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($curlHandle, CURLOPT_POSTFIELDS, $url_string);
		curl_setopt($curlHandle, CURLOPT_POST, 1);
		$responseBody = curl_exec($curlHandle);
		$responseInfo  = curl_getinfo($curlHandle);
		curl_close($curlHandle);

		return $this->handleResponse($responseBody,$responseInfo);
	}


	private function handleResponse($body,$info)
	{
		if ($info['http_code']==200)
		{ // successful submission
			$xml_obj = simplexml_load_string($body);
			// extract message id and credit usuage
			$atts = $xml_obj->added->attributes();
			$this->qtyAdded = (int) $atts->quantity;
			if ($this->qtyAdded > 0)
				foreach ($xml_obj->added->number as $xml_number)
					$this->added[] = (string) $xml_number;

			$atts = $xml_obj->stopped->attributes();
			$this->qtyStopped = (int) $atts->quantity;
			if ($this->qtyStopped > 0)
				foreach ($xml_obj->stopped->number as $xml_number)
					$this->stopped[] = (string) $xml_number;

			$atts = $xml_obj->duplicates->attributes();
			$this->qtyDuplicates = (int) $atts->quantity;
			if ($this->qtyDuplicates > 0)
				foreach ($xml_obj->duplicates->number as $xml_number)
					$this->duplicates[] = (string) $xml_number;

			return true;
		}
		else
		{

			$this->qtyAdded = 0;
			$this->qtyDuplicates = 0;
			$this->qtyStopped = 0;

			$this->stopped = array();
			$this->duplicates = array();
			$this->added = array();

			// error handling
			return false;
		}

	}

}


?>