use std::collections::HashMap;
use std::cell::RefCell;
use std::default::Default;
use std::collections::BTreeSet;
use std::error::Error as StdError;
use serde_json as json;
use std::io;
use std::fs;
use std::mem;

use hyper::client::connect;
use tokio::io::{AsyncRead, AsyncWrite};
use tokio::time::sleep;
use tower_service;
use serde::{Serialize, Deserialize};

use crate::{client, client::GetToken, client::serde_with};

// ##############
// UTILITIES ###
// ############

/// Identifies the an OAuth2 authorization scope.
/// A scope is needed when requesting an
/// [authorization token](https://developers.google.com/youtube/v3/guides/authentication).
#[derive(PartialEq, Eq, Ord, PartialOrd, Hash, Debug, Clone, Copy)]
pub enum Scope {
    /// Verify your enterprise credentials
    Full,
}

impl AsRef<str> for Scope {
    fn as_ref(&self) -> &str {
        match *self {
            Scope::Full => "https://www.googleapis.com/auth/verifiedaccess",
        }
    }
}

impl Default for Scope {
    fn default() -> Scope {
        Scope::Full
    }
}



// ########
// HUB ###
// ######

/// Central instance to access all Verifiedaccess related resource activities
///
/// # Examples
///
/// Instantiate a new hub
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_verifiedaccess1 as verifiedaccess1;
/// use verifiedaccess1::api::VerifyChallengeResponseRequest;
/// use verifiedaccess1::{Result, Error};
/// # async fn dox() {
/// use std::default::Default;
/// use verifiedaccess1::{Verifiedaccess, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// // Get an ApplicationSecret instance by some means. It contains the `client_id` and 
/// // `client_secret`, among other things.
/// let secret: oauth2::ApplicationSecret = Default::default();
/// // Instantiate the authenticator. It will choose a suitable authentication flow for you, 
/// // unless you replace  `None` with the desired Flow.
/// // Provide your own `AuthenticatorDelegate` to adjust the way it operates and get feedback about 
/// // what's going on. You probably want to bring in your own `TokenStorage` to persist tokens and
/// // retrieve them from storage.
/// let auth = oauth2::InstalledFlowAuthenticator::builder(
///         secret,
///         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
///     ).build().await.unwrap();
/// let mut hub = Verifiedaccess::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().build()), auth);
/// // As the method needs a request, you would usually fill it with the desired information
/// // into the respective structure. Some of the parts shown here might not be applicable !
/// // Values shown here are possibly random and not representative !
/// let mut req = VerifyChallengeResponseRequest::default();
/// 
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.challenge().verify(req)
///              .doit().await;
/// 
/// match result {
///     Err(e) => match e {
///         // The Error enum provides details about what exactly happened.
///         // You can also just use its `Debug`, `Display` or `Error` traits
///          Error::HttpError(_)
///         |Error::Io(_)
///         |Error::MissingAPIKey
///         |Error::MissingToken(_)
///         |Error::Cancelled
///         |Error::UploadSizeLimitExceeded(_, _)
///         |Error::Failure(_)
///         |Error::BadRequest(_)
///         |Error::FieldClash(_)
///         |Error::JsonDecodeError(_, _) => println!("{}", e),
///     },
///     Ok(res) => println!("Success: {:?}", res),
/// }
/// # }
/// ```
#[derive(Clone)]
pub struct Verifiedaccess<S> {
    pub client: hyper::Client<S, hyper::body::Body>,
    pub auth: Box<dyn client::GetToken>,
    _user_agent: String,
    _base_url: String,
    _root_url: String,
}

impl<'a, S> client::Hub for Verifiedaccess<S> {}

impl<'a, S> Verifiedaccess<S> {

    pub fn new<A: 'static + client::GetToken>(client: hyper::Client<S, hyper::body::Body>, auth: A) -> Verifiedaccess<S> {
        Verifiedaccess {
            client,
            auth: Box::new(auth),
            _user_agent: "google-api-rust-client/5.0.4".to_string(),
            _base_url: "https://verifiedaccess.googleapis.com/".to_string(),
            _root_url: "https://verifiedaccess.googleapis.com/".to_string(),
        }
    }

    pub fn challenge(&'a self) -> ChallengeMethods<'a, S> {
        ChallengeMethods { hub: &self }
    }

    /// Set the user-agent header field to use in all requests to the server.
    /// It defaults to `google-api-rust-client/5.0.4`.
    ///
    /// Returns the previously set user-agent.
    pub fn user_agent(&mut self, agent_name: String) -> String {
        mem::replace(&mut self._user_agent, agent_name)
    }

    /// Set the base url to use in all requests to the server.
    /// It defaults to `https://verifiedaccess.googleapis.com/`.
    ///
    /// Returns the previously set base url.
    pub fn base_url(&mut self, new_base_url: String) -> String {
        mem::replace(&mut self._base_url, new_base_url)
    }

    /// Set the root url to use in all requests to the server.
    /// It defaults to `https://verifiedaccess.googleapis.com/`.
    ///
    /// Returns the previously set root url.
    pub fn root_url(&mut self, new_root_url: String) -> String {
        mem::replace(&mut self._root_url, new_root_url)
    }
}


// ############
// SCHEMAS ###
// ##########
/// Result message for VerifiedAccess.CreateChallenge.
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [create challenge](ChallengeCreateCall) (response)
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct Challenge {
    /// Challenge generated with the old signing key (this will only be present during key rotation)
    #[serde(rename="alternativeChallenge")]
    
    pub alternative_challenge: Option<SignedData>,
    /// Generated challenge
    
    pub challenge: Option<SignedData>,
}

impl client::ResponseResult for Challenge {}


/// A generic empty message that you can re-use to avoid defining duplicated empty messages in your APIs. A typical example is to use it as the request or the response type of an API method. For instance: service Foo { rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty); }
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [create challenge](ChallengeCreateCall) (request)
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct Empty { _never_set: Option<bool> }

impl client::RequestValue for Empty {}


/// The wrapper message of any data and its signature.
/// 
/// This type is not used in any activity, and only used as *part* of another schema.
/// 
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct SignedData {
    /// The data to be signed.
    
    #[serde_as(as = "Option<::client::serde::standard_base64::Wrapper>")]
    pub data: Option<Vec<u8>>,
    /// The signature of the data field.
    
    #[serde_as(as = "Option<::client::serde::standard_base64::Wrapper>")]
    pub signature: Option<Vec<u8>>,
}

impl client::Part for SignedData {}


/// signed ChallengeResponse
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [verify challenge](ChallengeVerifyCall) (request)
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct VerifyChallengeResponseRequest {
    /// The generated response to the challenge
    #[serde(rename="challengeResponse")]
    
    pub challenge_response: Option<SignedData>,
    /// Service can optionally provide identity information about the device or user associated with the key. For an EMK, this value is the enrolled domain. For an EUK, this value is the user's email address. If present, this value will be checked against contents of the response, and verification will fail if there is no match.
    #[serde(rename="expectedIdentity")]
    
    pub expected_identity: Option<String>,
}

impl client::RequestValue for VerifyChallengeResponseRequest {}


/// Result message for VerifiedAccess.VerifyChallengeResponse.
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [verify challenge](ChallengeVerifyCall) (response)
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct VerifyChallengeResponseResult {
    /// Attested device id (ADID) of the device, read from the verified data.
    #[serde(rename="attestedDeviceId")]
    
    pub attested_device_id: Option<String>,
    /// Device enrollment id is returned in this field (for the machine response only).
    #[serde(rename="deviceEnrollmentId")]
    
    pub device_enrollment_id: Option<String>,
    /// Device permanent id is returned in this field (for the machine response only).
    #[serde(rename="devicePermanentId")]
    
    pub device_permanent_id: Option<String>,
    /// Certificate Signing Request (in the SPKAC format, base64 encoded) is returned in this field. This field will be set only if device has included CSR in its challenge response. (the option to include CSR is now available for both user and machine responses)
    #[serde(rename="signedPublicKeyAndChallenge")]
    
    pub signed_public_key_and_challenge: Option<String>,
    /// For EMCert check, device permanent id is returned here. For EUCert check, signed_public_key_and_challenge [base64 encoded] is returned if present, otherwise empty string is returned. This field is deprecated, please use device_permanent_id or signed_public_key_and_challenge fields.
    #[serde(rename="verificationOutput")]
    
    pub verification_output: Option<String>,
}

impl client::ResponseResult for VerifyChallengeResponseResult {}



// ###################
// MethodBuilders ###
// #################

/// A builder providing access to all methods supported on *challenge* resources.
/// It is not used directly, but through the [`Verifiedaccess`] hub.
///
/// # Example
///
/// Instantiate a resource builder
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_verifiedaccess1 as verifiedaccess1;
/// 
/// # async fn dox() {
/// use std::default::Default;
/// use verifiedaccess1::{Verifiedaccess, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// let secret: oauth2::ApplicationSecret = Default::default();
/// let auth = oauth2::InstalledFlowAuthenticator::builder(
///         secret,
///         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
///     ).build().await.unwrap();
/// let mut hub = Verifiedaccess::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().build()), auth);
/// // Usually you wouldn't bind this to a variable, but keep calling *CallBuilders*
/// // like `create(...)` and `verify(...)`
/// // to build up your call.
/// let rb = hub.challenge();
/// # }
/// ```
pub struct ChallengeMethods<'a, S>
    where S: 'a {

    hub: &'a Verifiedaccess<S>,
}

impl<'a, S> client::MethodsBuilder for ChallengeMethods<'a, S> {}

impl<'a, S> ChallengeMethods<'a, S> {
    
    /// Create a builder to help you perform the following task:
    ///
    /// CreateChallenge API
    /// 
    /// # Arguments
    ///
    /// * `request` - No description provided.
    pub fn create(&self, request: Empty) -> ChallengeCreateCall<'a, S> {
        ChallengeCreateCall {
            hub: self.hub,
            _request: request,
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// VerifyChallengeResponse API
    /// 
    /// # Arguments
    ///
    /// * `request` - No description provided.
    pub fn verify(&self, request: VerifyChallengeResponseRequest) -> ChallengeVerifyCall<'a, S> {
        ChallengeVerifyCall {
            hub: self.hub,
            _request: request,
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
}





// ###################
// CallBuilders   ###
// #################

/// CreateChallenge API
///
/// A builder for the *create* method supported by a *challenge* resource.
/// It is not used directly, but through a [`ChallengeMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_verifiedaccess1 as verifiedaccess1;
/// use verifiedaccess1::api::Empty;
/// # async fn dox() {
/// # use std::default::Default;
/// # use verifiedaccess1::{Verifiedaccess, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Verifiedaccess::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().build()), auth);
/// // As the method needs a request, you would usually fill it with the desired information
/// // into the respective structure. Some of the parts shown here might not be applicable !
/// // Values shown here are possibly random and not representative !
/// let mut req = Empty::default();
/// 
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.challenge().create(req)
///              .doit().await;
/// # }
/// ```
pub struct ChallengeCreateCall<'a, S>
    where S: 'a {

    hub: &'a Verifiedaccess<S>,
    _request: Empty,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for ChallengeCreateCall<'a, S> {}

impl<'a, S> ChallengeCreateCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, Challenge)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "verifiedaccess.challenge.create",
                               http_method: hyper::Method::POST });

        for &field in ["alt"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(3 + self._additional_params.len());

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "v1/challenge";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::Full.as_ref().to_string());
        }


        let url = params.parse_with_url(&url);

        let mut json_mime_type = mime::APPLICATION_JSON;
        let mut request_value_reader =
            {
                let mut value = json::value::to_value(&self._request).expect("serde to work");
                client::remove_json_null_values(&mut value);
                let mut dst = io::Cursor::new(Vec::with_capacity(128));
                json::to_writer(&mut dst, &value).unwrap();
                dst
            };
        let request_size = request_value_reader.seek(io::SeekFrom::End(0)).unwrap();
        request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();


        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::POST)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .header(CONTENT_TYPE, json_mime_type.to_string())
                        .header(CONTENT_LENGTH, request_size as u64)
                        .body(hyper::body::Body::from(request_value_reader.get_ref().clone()));

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    ///
    /// Sets the *request* property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn request(mut self, new_value: Empty) -> ChallengeCreateCall<'a, S> {
        self._request = new_value;
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.
    /// ````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> ChallengeCreateCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> ChallengeCreateCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::Full`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> ChallengeCreateCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> ChallengeCreateCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> ChallengeCreateCall<'a, S> {
        self._scopes.clear();
        self
    }
}


/// VerifyChallengeResponse API
///
/// A builder for the *verify* method supported by a *challenge* resource.
/// It is not used directly, but through a [`ChallengeMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_verifiedaccess1 as verifiedaccess1;
/// use verifiedaccess1::api::VerifyChallengeResponseRequest;
/// # async fn dox() {
/// # use std::default::Default;
/// # use verifiedaccess1::{Verifiedaccess, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Verifiedaccess::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().build()), auth);
/// // As the method needs a request, you would usually fill it with the desired information
/// // into the respective structure. Some of the parts shown here might not be applicable !
/// // Values shown here are possibly random and not representative !
/// let mut req = VerifyChallengeResponseRequest::default();
/// 
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.challenge().verify(req)
///              .doit().await;
/// # }
/// ```
pub struct ChallengeVerifyCall<'a, S>
    where S: 'a {

    hub: &'a Verifiedaccess<S>,
    _request: VerifyChallengeResponseRequest,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for ChallengeVerifyCall<'a, S> {}

impl<'a, S> ChallengeVerifyCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, VerifyChallengeResponseResult)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "verifiedaccess.challenge.verify",
                               http_method: hyper::Method::POST });

        for &field in ["alt"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(3 + self._additional_params.len());

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "v1/challenge:verify";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::Full.as_ref().to_string());
        }


        let url = params.parse_with_url(&url);

        let mut json_mime_type = mime::APPLICATION_JSON;
        let mut request_value_reader =
            {
                let mut value = json::value::to_value(&self._request).expect("serde to work");
                client::remove_json_null_values(&mut value);
                let mut dst = io::Cursor::new(Vec::with_capacity(128));
                json::to_writer(&mut dst, &value).unwrap();
                dst
            };
        let request_size = request_value_reader.seek(io::SeekFrom::End(0)).unwrap();
        request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();


        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::POST)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .header(CONTENT_TYPE, json_mime_type.to_string())
                        .header(CONTENT_LENGTH, request_size as u64)
                        .body(hyper::body::Body::from(request_value_reader.get_ref().clone()));

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    ///
    /// Sets the *request* property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn request(mut self, new_value: VerifyChallengeResponseRequest) -> ChallengeVerifyCall<'a, S> {
        self._request = new_value;
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.
    /// ````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> ChallengeVerifyCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> ChallengeVerifyCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::Full`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> ChallengeVerifyCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> ChallengeVerifyCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> ChallengeVerifyCall<'a, S> {
        self._scopes.clear();
        self
    }
}