<?php

namespace mCASH;

/**
 * Requestor class.
 */
class Requestor {
	
    /**
     * _apiKey
     * 
     * @var mixed
     * @access private
     */
    private $_apiKey;

    /**
     * _apiBase
     * 
     * @var mixed
     * @access private
     */
    private $_apiBase;

    /**
     * _httpClient
     * 
     * @var mixed
     * @access private
     * @static
     */
    private static $_httpClient;

    /**
     * __construct function.
     * 
     * @access public
     * @param mixed $apiKey (default: null)
     * @param mixed $apiBase (default: null)
     * @return void
     */
    public function __construct($apiKey = null, $apiBase = null)
    {
        $this->_apiKey = $apiKey;
        if (!$apiBase) {
            $apiBase = mCASH::$apiBase;
        }
        $this->_apiBase = $apiBase;
    }
    
    /**
     * request function.
     * 
     * @access public
     * @param mixed $method
     * @param mixed $url
     * @param mixed $params
     * @param mixed $opts
     * @return void
     */
    public function request( $method, $url, $params, $opts ){
	    return $this->httpClient()->request( $method, $url, $params, $opts );
    }
    
    /**
     * setHttpClient function.
     * 
     * @access public
     * @static
     * @param mixed $client
     * @return void
     */
    public static function setHttpClient($client)
    {
        self::$_httpClient = $client;
    }

    /**
     * httpClient function.
     * 
     * @access private
     * @return void
     */
    private function httpClient()
    {
        if (!self::$_httpClient) {
            self::$_httpClient = HttpClient\CurlClient::instance();
        }
        return self::$_httpClient;
    }    

}