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 ###
// ############




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

/// Central instance to access all Webfonts related resource activities
///
/// # Examples
///
/// Instantiate a new hub
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate yup_oauth2 as oauth2;
/// extern crate google_webfonts1 as webfonts1;
/// use webfonts1::{Result, Error};
/// # async fn dox() {
/// use std::default::Default;
/// use oauth2;
/// use webfonts1::Webfonts;
/// 
/// // 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 = yup_oauth2::InstalledFlowAuthenticator::builder(
///         secret,
///         yup_oauth2::InstalledFlowReturnMethod::HTTPRedirect,
///     ).build().await.unwrap();
/// let mut hub = Webfonts::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots()), 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.webfonts().list()
///              .sort("no")
///              .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),
/// }
/// # }
/// ```
pub struct Webfonts<> {
    client: hyper::Client<hyper_rustls::HttpsConnector<hyper::client::connect::HttpConnector>, hyper::body::Body>,
    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 Webfonts<> {}

impl<'a, > Webfonts<> {

    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>>) -> Webfonts<> {
        Webfonts {
            client,
            auth: authenticator,
            _user_agent: "google-api-rust-client/2.0.5".to_string(),
            _base_url: "https://webfonts.googleapis.com/".to_string(),
            _root_url: "https://webfonts.googleapis.com/".to_string(),
        }
    }

    pub fn webfonts(&'a self) -> WebfontMethods<'a> {
        WebfontMethods { hub: &self }
    }

    /// Set the user-agent header field to use in all requests to the server.
    /// It defaults to `google-api-rust-client/2.0.5`.
    ///
    /// 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://webfonts.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://webfonts.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 ###
// ##########
/// Metadata describing a family of fonts.
/// 
/// # 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 webfonts](WebfontListCall) (none)
/// 
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct Webfont {
    /// The category of the font.
    pub category: Option<String>,
    /// The name of the font.
    pub family: Option<String>,
    /// The font files (with all supported scripts) for each one of the available variants, as a key : value map.
    pub files: Option<HashMap<String, String>>,
    /// This kind represents a webfont object in the webfonts service.
    pub kind: Option<String>,
    /// The date (format "yyyy-MM-dd") the font was modified for the last time.
    #[serde(rename="lastModified")]
    pub last_modified: Option<String>,
    /// The scripts supported by the font.
    pub subsets: Option<Vec<String>>,
    /// The available variants for the font.
    pub variants: Option<Vec<String>>,
    /// The font version.
    pub version: Option<String>,
}

impl client::Resource for Webfont {}


/// Response containing the list of fonts currently served by the Google Fonts API.
/// 
/// # 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 webfonts](WebfontListCall) (response)
/// 
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct WebfontList {
    /// The list of fonts currently served by the Google Fonts API.
    pub items: Option<Vec<Webfont>>,
    /// This kind represents a list of webfont objects in the webfonts service.
    pub kind: Option<String>,
}

impl client::ResponseResult for WebfontList {}



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

/// A builder providing access to all methods supported on *webfont* resources.
/// It is not used directly, but through the `Webfonts` hub.
///
/// # Example
///
/// Instantiate a resource builder
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate yup_oauth2 as oauth2;
/// extern crate google_webfonts1 as webfonts1;
/// 
/// # async fn dox() {
/// use std::default::Default;
/// use oauth2;
/// use webfonts1::Webfonts;
/// 
/// let secret: oauth2::ApplicationSecret = Default::default();
/// let auth = yup_oauth2::InstalledFlowAuthenticator::builder(
///         secret,
///         yup_oauth2::InstalledFlowReturnMethod::HTTPRedirect,
///     ).build().await.unwrap();
/// let mut hub = Webfonts::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots()), auth);
/// // Usually you wouldn't bind this to a variable, but keep calling *CallBuilders*
/// // like `list(...)`
/// // to build up your call.
/// let rb = hub.webfonts();
/// # }
/// ```
pub struct WebfontMethods<'a>
    where  {

    hub: &'a Webfonts<>,
}

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

impl<'a> WebfontMethods<'a> {
    
    /// Create a builder to help you perform the following task:
    ///
    /// Retrieves the list of fonts currently served by the Google Fonts Developer API.
    pub fn list(&self) -> WebfontListCall<'a> {
        WebfontListCall {
            hub: self.hub,
            _sort: Default::default(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
        }
    }
}





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

/// Retrieves the list of fonts currently served by the Google Fonts Developer API.
///
/// A builder for the *list* method supported by a *webfont* resource.
/// It is not used directly, but through a `WebfontMethods` instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate yup_oauth2 as oauth2;
/// # extern crate google_webfonts1 as webfonts1;
/// # async fn dox() {
/// # use std::default::Default;
/// # use oauth2;
/// # use webfonts1::Webfonts;
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = yup_oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         yup_oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Webfonts::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots()), 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.webfonts().list()
///              .sort("ipsum")
///              .doit().await;
/// # }
/// ```
pub struct WebfontListCall<'a>
    where  {

    hub: &'a Webfonts<>,
    _sort: Option<String>,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
}

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

impl<'a> WebfontListCall<'a> {


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, WebfontList)> {
        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: "webfonts.webfonts.list",
                               http_method: hyper::Method::GET });
        let mut params: Vec<(&str, String)> = Vec::with_capacity(3 + self._additional_params.len());
        if let Some(value) = self._sort {
            params.push(("sort", value.to_string()));
        }
        for &field in ["alt", "sort"].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() + "v1/webfonts";
        
        let key = dlg.api_key();
        match key {
            Some(value) => params.push(("key", value)),
            None => {
                dlg.finished(false);
                return Err(client::Error::MissingAPIKey)
            }
        }


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



        loop {
            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());


                        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 json_server_error = json::from_str::<client::JsonServerError>(&res_body_string).ok();
                        let server_error = json::from_str::<client::ServerError>(&res_body_string)
                            .or_else(|_| json::from_str::<client::ErrorResponse>(&res_body_string).map(|r| r.error))
                            .ok();

                        if let client::Retry::After(d) = dlg.http_failure(&res,
                                                              json_server_error,
                                                              server_error) {
                            sleep(d);
                            continue;
                        }
                        dlg.finished(false);
                        return match json::from_str::<client::ErrorResponse>(&res_body_string){
                            Err(_) => Err(client::Error::Failure(res)),
                            Ok(serr) => Err(client::Error::BadRequest(serr))
                        }
                    }
                    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)
                }
            }
        }
    }


    /// Enables sorting of the list.
    ///
    /// Sets the *sort* query property to the given value.
    pub fn sort(mut self, new_value: &str) -> WebfontListCall<'a> {
        self._sort = 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) -> WebfontListCall<'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
    ///
    /// * *$.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) -> WebfontListCall<'a>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

}