<?php
namespace SamApiLib;

class SamApi
{
	
	private const ws_accept = "application/json";
	private const ws_content_type = "application/json";
	private const ws_user_agent = "service";
	
	private $base_url;
	private $api_token;
	
	
	function __construct($base_url, $api_token)
	{
		$this->base_url = $base_url;
		$this->api_token = $api_token;
	}
	
	
	/**
	 * REST API query helper
	 * @param $ws_route
	 * @param $url_params
	 * @param $query_params
	 * @param $body_params
	 * @return array
	 */
	public function query($ws_route, $url_params, $query_params, $body_params)
	{
		list($ws_method, $ws_url) = explode(" ", trim($ws_route));
		
		$query_string = http_build_query($query_params);
		foreach ($url_params as $url_param => $value)
		{
			$ws_url = str_replace('{'.$url_param.'}', $value, $ws_url);
		}
		$url = $this->base_url . $ws_url . "?" . $query_string;
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HEADER, true);
		curl_setopt($ch, CURLOPT_HTTPHEADER, ["Accept: ".$this::ws_accept, "Content-type: ".$this::ws_content_type]);
		curl_setopt($ch, CURLOPT_USERAGENT, $this::ws_user_agent);
		
		$ws_method = strtoupper($ws_method);
		if($ws_method !== "GET")
		{
			if($ws_method === "POST")
			{
				curl_setopt($ch, CURLOPT_POST, true);
				curl_setopt($ch, CURLOPT_POSTFIELDS, (json_encode($body_params)));
			}
			else
			{
				curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $ws_method);
			}
		}
		
		curl_setopt($ch, CURLOPT_COOKIE, "LAABS-AUTH=".urlencode($this->api_token));
		
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		$res = curl_exec($ch);
		if ($res === false)
		{
			echo "curl error #" . curl_errno($ch) . " : " . curl_error($ch); die;
		}
		curl_close($ch);
		
		list($headers, $body) = explode("\r\n\r\n", $res); // PHP_EOL.PHP_EOL
		$headers = explode(PHP_EOL, $headers);
		$body2 = json_decode($body, true);
		if(json_last_error() === JSON_ERROR_NONE)
		{ // content was really json
			$body = $body2; // use decoded content
		}
		return [$headers, $body];
	}
	
	
	/**
	 * get the file plan (organization structure)
	 * @return array
	 */
	public function getFilePlan ()
	{
		$ws_route = " get /filePlan/filePlan/Tree";
		$url_params = [];
		$query_params = [];
		$body_params = [];
		
		list($headers, $body) = $this->query($ws_route, $url_params, $query_params, $body_params);
		return $body;
	}
	
	
	/**
	 * get a user by its login
	 * @param $login
	 * @return array
	 */
	public function getUsersByLogin ($login)
	{
		$ws_route = " get /auth/userAccount/Search";
		$url_params = [];
		$query_params = [
			"query" => "accountName = '$login'",
		];
		$body_params = [];
		
		list($headers, $body) = $this->query($ws_route, $url_params, $query_params, $body_params);
		if(count($body) > 0)
			return $body[0];
		else
			null;
	}
	
	
	/**
	 * get the Lifecycle journal
	 * @param string $eventType
	 * @param string $objectClass
	 * @param string $objectId
	 * @param string $minDate
	 * @param string $maxDate
	 * @param string $org
	 * @param number $maxResults
	 * @return array
	 */
	public function getLifeCycleJournals ($eventType="", $objectClass="", $objectId="", $minDate="", $maxDate="", $org="", $maxResults=50)
	{
		$ws_route = "get /lifeCycle/event/Search";
		$url_params = [];
		$query_params = [
			"eventType" 	=> $eventType,
			"objectClass" 	=> $objectClass,
			"objectId" 		=> $objectId,
			"minDate" 		=> $minDate,
			"maxDate" 		=> $maxDate,
			"org" 			=> $org,
			"maxResults" 	=> $maxResults,
		];
		$body_params = [];
		
		list($headers, $body) = $this->query($ws_route, $url_params, $query_params, $body_params);
		return $body;
	}
	
	
	/**
	 * get the application journal
	 * @param string $fromDate
	 * @param string $toDate
	 * @param string $event
	 * @param string $accountId
	 * @param string $status
	 * @param string $term
	 * @param number $maxResults
	 * @return array
	 */
	public function getApplicationJournals ($fromDate="", $toDate="", $event="", $accountId="", $status="", $term="", $maxResults=50)
	{
		$ws_route = "get /audit/event/Search";
		$url_params = [];
		$query_params = [
			"fromDate" 		=> $fromDate,
			"toDate" 		=> $toDate,
			"event" 		=> $event,
			"accountId" 	=> $accountId,
			"status" 		=> $status,
			"term" 			=> $term,
			"maxResults" 	=> $maxResults,
		];
		$body_params = [];
		
		list($headers, $body) = $this->query($ws_route, $url_params, $query_params, $body_params);
		return $body;
	}
	
}