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<?php
/**
 * Admin Columns Pro website connection API
 *
 * @since 3.0
 */
class ACP_API {

/**
     * API url
     *
     * @since 3.1.2
     * @var type string
     */
    public $url;

/**
     * Request args
     *
     * @since 3.1.2
     * @var type array
     */
    public $request_args;

/**
     * Constructor
     *
     * @since 3.1.2
     */
    public function __construct() {
        $this->request_args = array(
            'timeout' => 15,
            'sslverify' => false,
            'body' => array(
                'wc-api' => 'software-licence-api',
            ),
        );
    }

/**
     * Set url
     *
     * @since 3.1.2
     * @return ACP_API
     */
    public function set_url( $api_url ) {
        $this->url = $api_url;

return $this;
    }

/**
     * Get url
     *
     * @since 3.1.2
     * @return string
     */
    public function get_url() {
        return $this->url;
    }

/**
     * Set request arg
     *
     * @since 3.1.2
     * @return ACP_API
     */
    public function set_request_arg( $key, $value ) {
        $this->request_args[ $key ] = $value;

return $this;
    }

/**
     * Get request args
     *
     * @since 3.1.2
     * @return array
     */
    public function get_request_args() {
        return $this->request_args;
    }

/**
	 * Activate a license by its license key
	 *
	 * @since 3.0
	 *
	 * @param string $licence_key Licence Key
	 * @return mixed API Response
	 */
	public function activate_licence( $licence_key ) {

$response = $this->request( array(
			'request' 		=> 'activation',
		    'licence_key'	=> $licence_key,
		    'site_url'		=> site_url()
		) );

return $response;
	}

/**
	 * Activate a license by its license key
	 *
	 * @since 3.0
	 *
	 * @return mixed API Response
	 */
	public function deactivate_licence( $licence_key ) {

$response = $this->request( array(
			'request' 		=> 'deactivation',
		    'licence_key'	=> $licence_key,
		    'site_url'		=> site_url() // identifying
		) );

return $response;
	}

/**
	 * Plugin HTML changelog
	 *
	 * @since 3.0
	 *
	 * @return mixed API Response
	 */
	public function get_plugin_changelog( $plugin_basename ) {

$response = $this->request( array(
			'request'	    => 'pluginchangelog',
			'plugin_name'	=> $plugin_basename,
		), 'html' );

return $response;
	}

/**
	 * Get remote plugin update data in the WP format: url, slug, package, new_version, id
	 *
	 * @since 1.1
	 *
	 * @param string $licence_key Licence Key
	 * @param string $plugin_basename Plugin basename
	 * @return mixed API Response
	 */
	public function get_plugin_install_data( $licence_key, $plugin_basename ) {

$response = $this->request( array(
			'request'	    => 'plugininstall',
			'licence_key'	=> $licence_key,
			'plugin_name'	=> $plugin_basename
		));

return $response;
	}

/**
	 * Get remote plugin update data in the WP format: name, slug, download_link, version
	 *
	 * @since 1.1
	 *
	 * @param string $licence_key Licence Key
	 * @param string $plugin_basename Plugin basename
	 * @param string $current_version Plugin's current version
	 * @return mixed API Response
	 */
	public function get_plugin_update_data( $licence_key, $plugin_basename, $current_version ) {

$response = $this->request( array(
			'request'	    => 'pluginupdate',
			'licence_key'	=> $licence_key,
			'plugin_name'	=> $plugin_basename,
			'version'		=> $current_version
		));

return $response;
	}

/**
	 * Get remote plugin update data in the WP format: ...
	 *
	 * @since 1.1
	 * @param string $plugin_basename
	 * @return mixed API Response
	 */
	public function get_plugin_details( $plugin_basename ) {

$response = $this->request( array(
			'request'	    => 'plugindetails',
			'plugin_name'	=> $plugin_basename,
		));

return $response;
	}

/**
	 * Get license details
	 *
	 * @since 3.4.3
	 * @param string $license_key
	 * @return mixed API Response
	 */
	public function get_license_details( $license_key ) {

$response = $this->request( array(
			'request'	    => 'licensedetails',
			'license_key'	=> $license_key,
		));

return $response;
	}

/**
	 * Test request
	 *
	 * @since 3.1.2
	 * @param string $plugin_basename
	 * @return mixed API response
	 */
	public function test_request( $plugin_basename ) {
		$response = $this->get_plugin_details( $plugin_basename );

return is_wp_error( $response ) && 'http_request_failed' == $response->get_error_code() ? false : true;
	}

/**
	 * API Request
	 *
	 * @since 1.1
	 *
	 * @param array $body
	 * @return mixed API Response
	 */
	protected function request( $body, $format = 'json' ) {

$this->request_args['body'] = array_merge( $this->request_args['body'], $body );

$result = wp_remote_post( $this->url, $this->request_args );

if ( is_wp_error( $result ) ) {
			return $result;
		}

$response = wp_remote_retrieve_body( $result );

if ( 'json' == $format ) {
			$response = json_decode( $response );
		}

if ( isset( $response->error ) ) {
			return new WP_Error( $response->code, $response->message );
		}
		elseif ( empty( $response ) ) {
			return new WP_Error( 'empty_response', __( 'Empty response from API.', 'codepress-admin-columns' ) );
		}

return $response;
	}
}