use std::collections::HashMap;
use std::cell::RefCell;
use std::default::Default;
use std::collections::BTreeMap;
use serde_json as json;
use std::io;
use std::fs;
use std::mem;
use std::thread::sleep;

use crate::client;

// ##############
// 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, Hash)]
pub enum Scope {
    /// Manage your goo.gl short URLs
    Full,
}

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

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



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

/// Central instance to access all Urlshortener related resource activities
///
/// # Examples
///
/// Instantiate a new hub
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_urlshortener1 as urlshortener1;
/// use urlshortener1::{Result, Error};
/// # async fn dox() {
/// use std::default::Default;
/// use urlshortener1::{Urlshortener, oauth2, hyper, hyper_rustls};
/// 
/// // 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 = Urlshortener::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // 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.url().get("shortUrl")
///              .projection("At")
///              .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 Urlshortener<> {
    pub client: hyper::Client<hyper_rustls::HttpsConnector<hyper::client::connect::HttpConnector>, hyper::body::Body>,
    pub auth: oauth2::authenticator::Authenticator<hyper_rustls::HttpsConnector<hyper::client::connect::HttpConnector>>,
    _user_agent: String,
    _base_url: String,
    _root_url: String,
}

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

impl<'a, > Urlshortener<> {

    pub fn new(client: hyper::Client<hyper_rustls::HttpsConnector<hyper::client::connect::HttpConnector>, hyper::body::Body>, authenticator: oauth2::authenticator::Authenticator<hyper_rustls::HttpsConnector<hyper::client::connect::HttpConnector>>) -> Urlshortener<> {
        Urlshortener {
            client,
            auth: authenticator,
            _user_agent: "google-api-rust-client/3.1.0".to_string(),
            _base_url: "https://www.googleapis.com/urlshortener/v1/".to_string(),
            _root_url: "https://www.googleapis.com/".to_string(),
        }
    }

    pub fn url(&'a self) -> UrlMethods<'a> {
        UrlMethods { hub: &self }
    }

    /// Set the user-agent header field to use in all requests to the server.
    /// It defaults to `google-api-rust-client/3.1.0`.
    ///
    /// 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://www.googleapis.com/urlshortener/v1/`.
    ///
    /// 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://www.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 ###
// ##########
/// There is no detailed description.
/// 
/// This type is not used in any activity, and only used as *part* of another schema.
/// 
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct AnalyticsSnapshot {
    /// Top browsers, e.g. "Chrome"; sorted by (descending) click counts. Only present if this data is available.
    pub browsers: Option<Vec<StringCount>>,
    /// Top countries (expressed as country codes), e.g. "US" or "DE"; sorted by (descending) click counts. Only present if this data is available.
    pub countries: Option<Vec<StringCount>>,
    /// Number of clicks on all goo.gl short URLs pointing to this long URL.
    #[serde(rename="longUrlClicks")]
    pub long_url_clicks: Option<String>,
    /// Top platforms or OSes, e.g. "Windows"; sorted by (descending) click counts. Only present if this data is available.
    pub platforms: Option<Vec<StringCount>>,
    /// Top referring hosts, e.g. "www.google.com"; sorted by (descending) click counts. Only present if this data is available.
    pub referrers: Option<Vec<StringCount>>,
    /// Number of clicks on this short URL.
    #[serde(rename="shortUrlClicks")]
    pub short_url_clicks: Option<String>,
}

impl client::Part for AnalyticsSnapshot {}


/// There is no detailed description.
/// 
/// This type is not used in any activity, and only used as *part* of another schema.
/// 
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct AnalyticsSummary {
    /// Click analytics over all time.
    #[serde(rename="allTime")]
    pub all_time: Option<AnalyticsSnapshot>,
    /// Click analytics over the last day.
    pub day: Option<AnalyticsSnapshot>,
    /// Click analytics over the last month.
    pub month: Option<AnalyticsSnapshot>,
    /// Click analytics over the last two hours.
    #[serde(rename="twoHours")]
    pub two_hours: Option<AnalyticsSnapshot>,
    /// Click analytics over the last week.
    pub week: Option<AnalyticsSnapshot>,
}

impl client::Part for AnalyticsSummary {}


/// There is no detailed description.
/// 
/// This type is not used in any activity, and only used as *part* of another schema.
/// 
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct StringCount {
    /// Number of clicks for this top entry, e.g. for this particular country or browser.
    pub count: Option<String>,
    /// Label assigned to this top entry, e.g. "US" or "Chrome".
    pub id: Option<String>,
}

impl client::Part for StringCount {}


/// There is no detailed description.
/// 
/// # 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*).
/// 
/// * [get url](UrlGetCall) (response)
/// * [insert url](UrlInsertCall) (request|response)
/// 
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct Url {
    /// A summary of the click analytics for the short and long URL. Might not be present if not requested or currently unavailable.
    pub analytics: Option<AnalyticsSummary>,
    /// Time the short URL was created; ISO 8601 representation using the yyyy-MM-dd'T'HH:mm:ss.SSSZZ format, e.g. "2010-10-14T19:01:24.944+00:00".
    pub created: Option<String>,
    /// Short URL, e.g. "http://goo.gl/l6MS".
    pub id: Option<String>,
    /// The fixed string "urlshortener#url".
    pub kind: Option<String>,
    /// Long URL, e.g. "http://www.google.com/". Might not be present if the status is "REMOVED".
    #[serde(rename="longUrl")]
    pub long_url: Option<String>,
    /// Status of the target URL. Possible values: "OK", "MALWARE", "PHISHING", or "REMOVED". A URL might be marked "REMOVED" if it was flagged as spam, for example.
    pub status: Option<String>,
}

impl client::RequestValue for Url {}
impl client::ResponseResult for Url {}


/// There is no detailed description.
/// 
/// # 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*).
/// 
/// * [list url](UrlListCall) (response)
/// 
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct UrlHistory {
    /// A list of URL resources.
    pub items: Option<Vec<Url>>,
    /// Number of items returned with each full "page" of results. Note that the last page could have fewer items than the "itemsPerPage" value.
    #[serde(rename="itemsPerPage")]
    pub items_per_page: Option<i32>,
    /// The fixed string "urlshortener#urlHistory".
    pub kind: Option<String>,
    /// A token to provide to get the next page of results.
    #[serde(rename="nextPageToken")]
    pub next_page_token: Option<String>,
    /// Total number of short URLs associated with this user (may be approximate).
    #[serde(rename="totalItems")]
    pub total_items: Option<i32>,
}

impl client::ResponseResult for UrlHistory {}



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

/// A builder providing access to all methods supported on *url* resources.
/// It is not used directly, but through the `Urlshortener` hub.
///
/// # Example
///
/// Instantiate a resource builder
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_urlshortener1 as urlshortener1;
/// 
/// # async fn dox() {
/// use std::default::Default;
/// use urlshortener1::{Urlshortener, oauth2, hyper, hyper_rustls};
/// 
/// let secret: oauth2::ApplicationSecret = Default::default();
/// let auth = oauth2::InstalledFlowAuthenticator::builder(
///         secret,
///         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
///     ).build().await.unwrap();
/// let mut hub = Urlshortener::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // Usually you wouldn't bind this to a variable, but keep calling *CallBuilders*
/// // like `get(...)`, `insert(...)` and `list(...)`
/// // to build up your call.
/// let rb = hub.url();
/// # }
/// ```
pub struct UrlMethods<'a>
    where  {

    hub: &'a Urlshortener<>,
}

impl<'a> client::MethodsBuilder for UrlMethods<'a> {}

impl<'a> UrlMethods<'a> {
    
    /// Create a builder to help you perform the following task:
    ///
    /// Expands a short URL or gets creation time and analytics.
    /// 
    /// # Arguments
    ///
    /// * `shortUrl` - The short URL, including the protocol.
    pub fn get(&self, short_url: &str) -> UrlGetCall<'a> {
        UrlGetCall {
            hub: self.hub,
            _short_url: short_url.to_string(),
            _projection: Default::default(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// Creates a new short URL.
    /// 
    /// # Arguments
    ///
    /// * `request` - No description provided.
    pub fn insert(&self, request: Url) -> UrlInsertCall<'a> {
        UrlInsertCall {
            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:
    ///
    /// Retrieves a list of URLs shortened by a user.
    pub fn list(&self) -> UrlListCall<'a> {
        UrlListCall {
            hub: self.hub,
            _start_token: Default::default(),
            _projection: Default::default(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
}





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

/// Expands a short URL or gets creation time and analytics.
///
/// A builder for the *get* method supported by a *url* resource.
/// It is not used directly, but through a `UrlMethods` instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_urlshortener1 as urlshortener1;
/// # async fn dox() {
/// # use std::default::Default;
/// # use urlshortener1::{Urlshortener, oauth2, hyper, hyper_rustls};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Urlshortener::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // 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.url().get("shortUrl")
///              .projection("sed")
///              .doit().await;
/// # }
/// ```
pub struct UrlGetCall<'a>
    where  {

    hub: &'a Urlshortener<>,
    _short_url: String,
    _projection: Option<String>,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeMap<String, ()>
}

impl<'a> client::CallBuilder for UrlGetCall<'a> {}

impl<'a> UrlGetCall<'a> {


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, Url)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::ToParts;
        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = match self._delegate {
            Some(d) => d,
            None => &mut dd
        };
        dlg.begin(client::MethodInfo { id: "urlshortener.url.get",
                               http_method: hyper::Method::GET });
        let mut params: Vec<(&str, String)> = Vec::with_capacity(4 + self._additional_params.len());
        params.push(("shortUrl", self._short_url.to_string()));
        if let Some(value) = self._projection {
            params.push(("projection", value.to_string()));
        }
        for &field in ["alt", "shortUrl", "projection"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }
        for (name, value) in self._additional_params.iter() {
            params.push((&name, value.clone()));
        }

        params.push(("alt", "json".to_string()));

        let mut url = self.hub._base_url.clone() + "url";
        if self._scopes.len() == 0 {
            self._scopes.insert(Scope::Full.as_ref().to_string(), ());
        }


        let url = url::Url::parse_with_params(&url, params).unwrap();



        loop {
            let token = match self.hub.auth.token(&self._scopes.keys().collect::<Vec<_>>()[..]).await {
                Ok(token) => token.clone(),
                Err(err) => {
                    match  dlg.token(&err) {
                        Some(token) => token,
                        None => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(err))
                        }
                    }
                }
            };
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder().method(hyper::Method::GET).uri(url.clone().into_string())
                        .header(USER_AGENT, self.hub._user_agent.clone())                            .header(AUTHORIZATION, format!("Bearer {}", token.as_str()));


                        let request = req_builder
                        .body(hyper::body::Body::empty());

                client.request(request.unwrap()).await
                
            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d);
                        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);
                            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)
                }
            }
        }
    }


    /// The short URL, including the protocol.
    ///
    /// Sets the *short url* query 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 short_url(mut self, new_value: &str) -> UrlGetCall<'a> {
        self._short_url = new_value.to_string();
        self
    }
    /// Additional information to return.
    ///
    /// Sets the *projection* query property to the given value.
    pub fn projection(mut self, new_value: &str) -> UrlGetCall<'a> {
        self._projection = Some(new_value.to_string());
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// 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) -> UrlGetCall<'a> {
        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
    ///
    /// * *alt* (query-string) - Data format for the response.
    /// * *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) - An opaque string that represents a user for quota purposes. Must not exceed 40 characters.
    /// * *userIp* (query-string) - Deprecated. Please use quotaUser instead.
    pub fn param<T>(mut self, name: T, value: T) -> UrlGetCall<'a>
                                                        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 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.
    /// If `None` is specified, then all scopes will be removed and no default scope will be used either.
    /// In that case, you have to specify your API-key using the `key` parameter (see the `param()`
    /// function for details).
    ///
    /// 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<T, S>(mut self, scope: T) -> UrlGetCall<'a>
                                                        where T: Into<Option<S>>,
                                                              S: AsRef<str> {
        match scope.into() {
          Some(scope) => self._scopes.insert(scope.as_ref().to_string(), ()),
          None => None,
        };
        self
    }
}


/// Creates a new short URL.
///
/// A builder for the *insert* method supported by a *url* resource.
/// It is not used directly, but through a `UrlMethods` instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_urlshortener1 as urlshortener1;
/// use urlshortener1::api::Url;
/// # async fn dox() {
/// # use std::default::Default;
/// # use urlshortener1::{Urlshortener, oauth2, hyper, hyper_rustls};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Urlshortener::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots().https_or_http().enable_http1().enable_http2().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 = Url::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.url().insert(req)
///              .doit().await;
/// # }
/// ```
pub struct UrlInsertCall<'a>
    where  {

    hub: &'a Urlshortener<>,
    _request: Url,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeMap<String, ()>
}

impl<'a> client::CallBuilder for UrlInsertCall<'a> {}

impl<'a> UrlInsertCall<'a> {


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, Url)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::ToParts;
        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = match self._delegate {
            Some(d) => d,
            None => &mut dd
        };
        dlg.begin(client::MethodInfo { id: "urlshortener.url.insert",
                               http_method: hyper::Method::POST });
        let mut params: Vec<(&str, String)> = Vec::with_capacity(3 + self._additional_params.len());
        for &field in ["alt"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }
        for (name, value) in self._additional_params.iter() {
            params.push((&name, value.clone()));
        }

        params.push(("alt", "json".to_string()));

        let mut url = self.hub._base_url.clone() + "url";
        if self._scopes.len() == 0 {
            self._scopes.insert(Scope::Full.as_ref().to_string(), ());
        }


        let url = url::Url::parse_with_params(&url, params).unwrap();

        let mut json_mime_type: mime::Mime = "application/json".parse().unwrap();
        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.token(&self._scopes.keys().collect::<Vec<_>>()[..]).await {
                Ok(token) => token.clone(),
                Err(err) => {
                    match  dlg.token(&err) {
                        Some(token) => token,
                        None => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(err))
                        }
                    }
                }
            };
            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.clone().into_string())
                        .header(USER_AGENT, self.hub._user_agent.clone())                            .header(AUTHORIZATION, format!("Bearer {}", token.as_str()));


                        let request = req_builder
                        .header(CONTENT_TYPE, format!("{}", 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);
                        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);
                            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: Url) -> UrlInsertCall<'a> {
        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.
    /// 
    /// 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) -> UrlInsertCall<'a> {
        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
    ///
    /// * *alt* (query-string) - Data format for the response.
    /// * *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) - An opaque string that represents a user for quota purposes. Must not exceed 40 characters.
    /// * *userIp* (query-string) - Deprecated. Please use quotaUser instead.
    pub fn param<T>(mut self, name: T, value: T) -> UrlInsertCall<'a>
                                                        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 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.
    /// If `None` is specified, then all scopes will be removed and no default scope will be used either.
    /// In that case, you have to specify your API-key using the `key` parameter (see the `param()`
    /// function for details).
    ///
    /// 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<T, S>(mut self, scope: T) -> UrlInsertCall<'a>
                                                        where T: Into<Option<S>>,
                                                              S: AsRef<str> {
        match scope.into() {
          Some(scope) => self._scopes.insert(scope.as_ref().to_string(), ()),
          None => None,
        };
        self
    }
}


/// Retrieves a list of URLs shortened by a user.
///
/// A builder for the *list* method supported by a *url* resource.
/// It is not used directly, but through a `UrlMethods` instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_urlshortener1 as urlshortener1;
/// # async fn dox() {
/// # use std::default::Default;
/// # use urlshortener1::{Urlshortener, oauth2, hyper, hyper_rustls};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Urlshortener::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // 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.url().list()
///              .start_token("amet.")
///              .projection("takimata")
///              .doit().await;
/// # }
/// ```
pub struct UrlListCall<'a>
    where  {

    hub: &'a Urlshortener<>,
    _start_token: Option<String>,
    _projection: Option<String>,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeMap<String, ()>
}

impl<'a> client::CallBuilder for UrlListCall<'a> {}

impl<'a> UrlListCall<'a> {


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, UrlHistory)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::ToParts;
        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = match self._delegate {
            Some(d) => d,
            None => &mut dd
        };
        dlg.begin(client::MethodInfo { id: "urlshortener.url.list",
                               http_method: hyper::Method::GET });
        let mut params: Vec<(&str, String)> = Vec::with_capacity(4 + self._additional_params.len());
        if let Some(value) = self._start_token {
            params.push(("start-token", value.to_string()));
        }
        if let Some(value) = self._projection {
            params.push(("projection", value.to_string()));
        }
        for &field in ["alt", "start-token", "projection"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }
        for (name, value) in self._additional_params.iter() {
            params.push((&name, value.clone()));
        }

        params.push(("alt", "json".to_string()));

        let mut url = self.hub._base_url.clone() + "url/history";
        if self._scopes.len() == 0 {
            self._scopes.insert(Scope::Full.as_ref().to_string(), ());
        }


        let url = url::Url::parse_with_params(&url, params).unwrap();



        loop {
            let token = match self.hub.auth.token(&self._scopes.keys().collect::<Vec<_>>()[..]).await {
                Ok(token) => token.clone(),
                Err(err) => {
                    match  dlg.token(&err) {
                        Some(token) => token,
                        None => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(err))
                        }
                    }
                }
            };
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder().method(hyper::Method::GET).uri(url.clone().into_string())
                        .header(USER_AGENT, self.hub._user_agent.clone())                            .header(AUTHORIZATION, format!("Bearer {}", token.as_str()));


                        let request = req_builder
                        .body(hyper::body::Body::empty());

                client.request(request.unwrap()).await
                
            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d);
                        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);
                            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)
                }
            }
        }
    }


    /// Token for requesting successive pages of results.
    ///
    /// Sets the *start-token* query property to the given value.
    pub fn start_token(mut self, new_value: &str) -> UrlListCall<'a> {
        self._start_token = Some(new_value.to_string());
        self
    }
    /// Additional information to return.
    ///
    /// Sets the *projection* query property to the given value.
    pub fn projection(mut self, new_value: &str) -> UrlListCall<'a> {
        self._projection = Some(new_value.to_string());
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// 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) -> UrlListCall<'a> {
        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
    ///
    /// * *alt* (query-string) - Data format for the response.
    /// * *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) - An opaque string that represents a user for quota purposes. Must not exceed 40 characters.
    /// * *userIp* (query-string) - Deprecated. Please use quotaUser instead.
    pub fn param<T>(mut self, name: T, value: T) -> UrlListCall<'a>
                                                        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 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.
    /// If `None` is specified, then all scopes will be removed and no default scope will be used either.
    /// In that case, you have to specify your API-key using the `key` parameter (see the `param()`
    /// function for details).
    ///
    /// 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<T, S>(mut self, scope: T) -> UrlListCall<'a>
                                                        where T: Into<Option<S>>,
                                                              S: AsRef<str> {
        match scope.into() {
          Some(scope) => self._scopes.insert(scope.as_ref().to_string(), ()),
          None => None,
        };
        self
    }
}