<?php
/**
 * ActifendUserRegister
 * This class is used register plugin automatically
 */
class ActifendUserRegister {

    /**
     * autoRegister
     *
     * Register the plugin automatically and send the client detail to endpoint.
     */
    public function autoRegister($actifend_email) {
        try {
            $utilityObj = new Utility;

            if ($utilityObj->actifend_validEmail($actifend_email)) {
                $error = 0;
                $actifend_timestamp = time();
                $actifend_asset_name = $_SERVER['SERVER_NAME'];
                $actifend_req = $actifend_email . $actifend_asset_name . $actifend_timestamp . ACTIFEND_ASSET_TYPE . ACTIFEND_SALT2;
                $actifend_reqhash = hash_hmac('sha512', $actifend_req, ACTIFEND_SALT1);

                $payloadArray = array();
                $payloadArray["ACTIFEND_EMAIL"] = $actifend_email;
                $payloadArray["ACTIFEND_ASSET_NAME"] = $actifend_asset_name;
                $payloadArray["ACTIFEND_ASSET_TYPE"] = ACTIFEND_ASSET_TYPE;
                $payloadArray["ACTIFEND_FQDN"] = get_site_url();
                // ZIP extension check for backup and restore features
                if (!extension_loaded('zip'))
                    $payloadArray['ZIP_ENABLED'] = 'false';
                else
                    $payloadArray['ZIP_ENABLED'] = 'true';

                // check file privileges for restore feature
                $utilityObj->check_file_privileges();
                if (get_option('FilePrivilegesInsufficient') === 0)
                    $payloadArray['FILE_PRIVILEGES_INSUFFICIENT'] = 'false';
                else
                    $payloadArray['FILE_PRIVILEGES_INSUFFICIENT'] = 'true';

                debug_log("Low File Privileges: " . $payloadArray['FILE_PRIVILEGES_INSUFFICIENT']);

                $actifend_result = $this->actifend_register(ACTIFEND_REGISTER_END_POINT,
                                                            ACTIFEND_SALT2,
                                                            $actifend_reqhash,
                                                            $payloadArray);
                $RESULT = json_decode($actifend_result);
                $OUT = @json_decode($RESULT->output);
                if (empty($OUT)) {
                    $ERROR_MSG = "ERROR: Received invalid response from server. Please try again after sometime";
                } else {
                    $asset_id = $OUT->Result;
                    $response_code = $OUT->ResponseCode;
                    if ($utilityObj->actifend_isValidAssetId($asset_id, $response_code)) {
                        $last_checked = date("Y-m-d H:i:s");
                        global $wpdb;
                        $actifend_optin = 1;
                        $actifend_table_name = $wpdb->prefix . ACTIFEND_TABLE_NAME;
                        $wpdb->insert($actifend_table_name,
                                      array("asset_id" => $asset_id,
                                            "actifend_email" => $actifend_email,
                                            "actifend_optin" => $actifend_optin,
                                            "last_checked" => $last_checked)
                        );

                        debug_log("Actifend Registration Completed!");
                        $utilityObj->actifend_pluginInstallation_log();
                        update_option('actifendActivated', 1);
                    } else {
                        $ERROR_MSG = "ERROR: Received invalid asset_id ($asset_id). Please try again after sometime";
                    }
                }
            }
            // Step 3 of 3
            // this would also display the error messages in ERROR_MSG
            $actifend_dir = plugin_dir_path( __FILE__ );
            $utilityObj->get_asset_status(get_site_url(), $actifend_email);
            $app_activated = get_option('mapp_activated');
            if ($app_activated == 1)
                require_once(trailingslashit($actifend_dir) . "done.php");
            else
                require_once(trailingslashit($actifend_dir) . "store.php");
            debug_log("Actifend Plugin Activated.");
            // send the output buffers and turn off
            ob_end_flush();
        } catch (Exception $e) {
            debug_log($e->getMessage());
            return false;
        }
    }

    /**
     * autoRegisterTrial
     * register the plugin automatically with just the public url
     * get the asset id from the endpoint
     */
    public function autoRegisterTrial() {
        try {
            $utilityObj = new Utility;

            $error = 0;
            $actifend_timestamp = time();
            $actifend_asset_name = $_SERVER['SERVER_NAME'];
            $actifend_req = $actifend_asset_name . $actifend_timestamp . ACTIFEND_ASSET_TYPE . ACTIFEND_SALT2;
            $actifend_reqhash = hash_hmac('sha512', $actifend_req, ACTIFEND_SALT1);

            $payloadArray = array();
            $payloadArray["ACTIFEND_ASSET_NAME"] = $actifend_asset_name;
            $payloadArray["ACTIFEND_ASSET_TYPE"] = ACTIFEND_ASSET_TYPE;
            $payloadArray["ACTIFEND_FQDN"] = get_site_url();
            // ZIP extension check for backup and restore features
            if (!extension_loaded('zip'))
                $payloadArray['ZIP_ENABLED'] = 'false';
            else
                $payloadArray['ZIP_ENABLED'] = 'true';

            // check file privileges for restore feature
            $utilityObj->check_file_privileges();
            if (get_option('FilePrivilegesInsufficient') === 0)
                $payloadArray['FILE_PRIVILEGES_INSUFFICIENT'] = 'false';
            else
                $payloadArray['FILE_PRIVILEGES_INSUFFICIENT'] = 'true';

            debug_log("Low File Privileges: " . $payloadArray['FILE_PRIVILEGES_INSUFFICIENT']);

            $actifend_result = $this->actifend_register(ACTIFEND_REGISTER_END_POINT, ACTIFEND_SALT2, $actifend_reqhash, $payloadArray);
            $RESULT = json_decode($actifend_result);
            $OUT = @json_decode($RESULT->output);
            if (empty($OUT)) {
                $ERROR_MSG = "ERROR: Received invalid response from server. Please try again after sometime";
            } else {
                // If Result is an object then it should be properly dealt with
                if (is_object($OUT->Result)) {
                    $asset_id = ($OUT->Result->asset_id);
                    debug_log("Asset ID: " . $asset_id);
                    $isoList = $OUT->Result->iso;
                    # Check if the admin is in the iso list
                    $admin_email = sha1(get_bloginfo('admin_email'));
                    if (in_array($admin_email, $isoList)) {
                        $is_registered = true;
                        debug_log("Admin email is already registered with Actifend.");
                    } else {
                        $is_registered = false;
                        debug_log("Admin email is NOT registered with Actifend.");
                    }
                    $mappActivated = $OUT->Result->mapp_activated;
                    if ($mappActivated === 1)
                        update_option('mapp_activated', 0);
                    else
                        update_option('mapp_activated', 1);
                } else {
                    $asset_id = $OUT->Result;
                    $is_registered = false;
                }

                $response_code = $OUT->ResponseCode;
                if ($utilityObj->actifend_isValidAssetId($asset_id, $response_code)) {
                    $last_checked = date("Y-m-d H:i:s");
                    global $wpdb;
                    if ($is_registered) {
                        $actifend_optin = 1;
                        $admin_email = get_bloginfo('admin_email');
                        update_option('actifendActivated', 1);
                    } else {
                        $actifend_optin = 0;
                        $admin_email = 'None';
                        update_option('actifendActivated', 0);
                    }

                    $actifend_table_name = $wpdb->prefix . ACTIFEND_TABLE_NAME;
                    $wpdb->insert($actifend_table_name,
                                    array("asset_id" => $asset_id,
                                          "actifend_email" => $admin_email,
                                          "actifend_optin" => $actifend_optin,
                                          "last_checked" => $last_checked));

                    debug_log("Actifend Trial Registration Completed!");
                    $utilityObj->actifend_pluginInstallation_log();
                }
            }
            debug_log("Actifend Plugin Activated but onboarding is not complete!");
        } catch (Exception $e) {
            debug_log($e->getMessage());
            return false;
        }
    }

    /**
     * actifend_register_step2
     * Step 2: Update email with Actifend
     * @param assetid, email
     * @return 200 response
     */
    public function actifend_register_step2($actifend_email) {
        try {
            $utilityObj = new Utility;

            if ($utilityObj->actifend_validEmail($actifend_email)) {
                $error = 0;
                $actifend_timestamp = time();
                $actifend_asset_name = $_SERVER['SERVER_NAME'];
                $actifend_req = $actifend_email . $actifend_asset_name . $actifend_timestamp . ACTIFEND_ASSET_TYPE . ACTIFEND_SALT2;
                $actifend_reqhash = hash_hmac('sha512', $actifend_req, ACTIFEND_SALT1);
                $custom_headers = array('actifend_client_id' => ACTIFEND_SALT2,
                                        'actifend_signature' => $actifend_reqhash);

                $result = $utilityObj->getActifendInfo();
                if (isset($result->asset_id) && !empty($result->asset_id)) {
                    $asset_id = $result->asset_id;
                } else {
                    debug_log("No ASSET ID assigned .... ");
                    return 'NO_ASSETID';
                }
                $payloadArray = array('ACTIFEND_EMAIL'    => $actifend_email,
                                      'ACTIFEND_ASSET_ID' => $asset_id);

                $actifend_result = $utilityObj->actifend_postViaCurl(ACTIFEND_REGISTER_END_POINT,
                                                                     json_encode($payloadArray),
                                                                     "PATCH",
                                                                     $custom_headers);

                $RESULT = json_decode($actifend_result);
                $OUT = @json_decode($RESULT->output);
                if (empty($OUT)) {
                    $ERROR_MSG = "ERROR: Received invalid response from server. Please try again after sometime";
                } else {
                    if ($OUT->ResponseCode == '2000') {
                        $last_checked = date("Y-m-d H:i:s");
                        global $wpdb;
                        $actifend_optin = 1;
                        $last_checked = date("Y-m-d H:i:s");
                        $actifend_table_name = $wpdb->prefix . ACTIFEND_TABLE_NAME;

                        $res = $wpdb->update($actifend_table_name,
                                             array("actifend_email" => $actifend_email,
                                                   "actifend_optin" => $actifend_optin,
                                                   "last_checked"   => $last_checked),
                                             array("asset_id" => $asset_id));

                        if (false === $res) {
                            debug_log("DB record not updated with email.");
                        }
                        debug_log("Actifend Registration Completed!");
                        $utilityObj->actifend_pluginInstallation_log();
                        update_option('actifendActivated', 1);
                    } else {
                        $ERROR_MSG = "ERROR: Received invalid asset_id ($OUT->Message). Please try again after sometime";
                        debug_log($ERROR_MSG);
                    }
                }
            }
            // Step 3 of 3
            // this would also display the error messages in ERROR_MSG
            $actifend_dir = plugin_dir_path( __FILE__ );
            // This call will update the option
            $utilityObj->get_asset_status(get_site_url(), $actifend_email);
            $mapp_activated = get_option('mapp_activated');
            if ($mapp_activated == 1)
                require_once(trailingslashit($actifend_dir) . "done.php");
            else
                require_once(trailingslashit($actifend_dir) . "store.php");
            debug_log("Actifend Plugin Step 2 completed");
            // send the output buffers and turn off
            ob_end_flush();
        } catch (Exception $e) {
            debug_log($e->getMessage());
            return false;
        }
    }

    /**
     * actifend_register
     *
     * Send the client detail to the endpoint.
     * @param string $actifend_url endpoint url
     * @param string $actifend_h1  header used in url
     * @param string $actifend_h2  header info
     * @param string $actifend_params client detail.
     * @return string $return
     */
    public function actifend_register ($actifend_url, $actifend_h1, $actifend_h2, $actifend_params) {
        try {
            $utilObj = new Utility;
            $custom_headers = array('actifend_client_id' => $actifend_h1,
                                    'actifend_signature' => $actifend_h2);
            $response = $utilObj->actifend_postViaCurl($actifend_url,
                                                       $actifend_params,
                                                       'POST',
                                                       $custom_headers);
            return $response;
        } catch (Exception $e) {
            debug_log($e->getMessage());
            return $e->getMessage();
        }
    }

}
?>