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 {
    /// Upload messages to any Google group in your domain
    AppGroupMigration,
}

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

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



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

/// Central instance to access all GroupsMigration related resource activities
///
/// # Examples
///
/// Instantiate a new hub
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_groupsmigration1 as groupsmigration1;
/// use groupsmigration1::{Result, Error};
/// use std::fs;
/// # async fn dox() {
/// use std::default::Default;
/// use groupsmigration1::{GroupsMigration, 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 = GroupsMigration::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().build()), auth);
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `upload(...)`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.archive().insert("groupId")
///              .upload(fs::File::open("file.ext").unwrap(), "application/octet-stream".parse().unwrap()).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 GroupsMigration<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 GroupsMigration<S> {}

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

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

    pub fn archive(&'a self) -> ArchiveMethods<'a, S> {
        ArchiveMethods { 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://groupsmigration.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://groupsmigration.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 ###
// ##########
/// JSON response template for groups migration 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*).
/// 
/// * [insert archive](ArchiveInsertCall) (response)
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct Groups {
    /// The kind of insert resource this is.
    
    pub kind: Option<String>,
    /// The status of the insert request.
    #[serde(rename="responseCode")]
    
    pub response_code: Option<String>,
}

impl client::ResponseResult for Groups {}



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

/// A builder providing access to all methods supported on *archive* resources.
/// It is not used directly, but through the [`GroupsMigration`] hub.
///
/// # Example
///
/// Instantiate a resource builder
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_groupsmigration1 as groupsmigration1;
/// 
/// # async fn dox() {
/// use std::default::Default;
/// use groupsmigration1::{GroupsMigration, 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 = GroupsMigration::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 `insert(...)`
/// // to build up your call.
/// let rb = hub.archive();
/// # }
/// ```
pub struct ArchiveMethods<'a, S>
    where S: 'a {

    hub: &'a GroupsMigration<S>,
}

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

impl<'a, S> ArchiveMethods<'a, S> {
    
    /// Create a builder to help you perform the following task:
    ///
    /// Inserts a new mail into the archive of the Google group.
    /// 
    /// # Arguments
    ///
    /// * `groupId` - The group ID
    pub fn insert(&self, group_id: &str) -> ArchiveInsertCall<'a, S> {
        ArchiveInsertCall {
            hub: self.hub,
            _group_id: group_id.to_string(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
}





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

/// Inserts a new mail into the archive of the Google group.
///
/// A builder for the *insert* method supported by a *archive* resource.
/// It is not used directly, but through a [`ArchiveMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_groupsmigration1 as groupsmigration1;
/// use std::fs;
/// # async fn dox() {
/// # use std::default::Default;
/// # use groupsmigration1::{GroupsMigration, 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 = GroupsMigration::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().build()), auth);
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `upload(...)`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.archive().insert("groupId")
///              .upload(fs::File::open("file.ext").unwrap(), "application/octet-stream".parse().unwrap()).await;
/// # }
/// ```
pub struct ArchiveInsertCall<'a, S>
    where S: 'a {

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

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

impl<'a, S> ArchiveInsertCall<'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.
    async fn doit<RS>(mut self, mut reader: RS, reader_mime_type: mime::Mime, protocol: client::UploadProtocol) -> client::Result<(hyper::Response<hyper::body::Body>, Groups)>
		where RS: client::ReadSeek {
        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: "groupsmigration.archive.insert",
                               http_method: hyper::Method::POST });

        for &field in ["alt", "groupId"].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.push("groupId", self._group_id);

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

        params.push("alt", "json");
        let (mut url, upload_type) =
            if protocol == client::UploadProtocol::Simple {
                (self.hub._root_url.clone() + "upload/groups/v1/groups/{groupId}/archive", "multipart")
            } else {
                unreachable!()
            };
        params.push("uploadType", upload_type);
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppGroupMigration.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{groupId}", "groupId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["groupId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);



        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));
                        }
                    }
                }
            };
            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 = if protocol == client::UploadProtocol::Simple {
                            let size = reader.seek(io::SeekFrom::End(0)).unwrap();
                reader.seek(io::SeekFrom::Start(0)).unwrap();
                if size > 26214400 {
                	return Err(client::Error::UploadSizeLimitExceeded(size, 26214400))
                }
                            let mut bytes = Vec::with_capacity(size as usize);
                            reader.read_to_end(&mut bytes)?;
                            req_builder.header(CONTENT_TYPE, reader_mime_type.to_string())
                                     .header(CONTENT_LENGTH, size)
                                     .body(hyper::body::Body::from(bytes))
                        } else {
                            req_builder.body(hyper::body::Body::from(Vec::new()))
                        };

                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)
                }
            }
        }
    }

    /// Upload media all at once.
    /// If the upload fails for whichever reason, all progress is lost.
    ///
    /// * *multipart*: yes
    /// * *max size*: 26214400
    /// * *valid mime types*: 'message/rfc822'
    pub async fn upload<RS>(self, stream: RS, mime_type: mime::Mime) -> client::Result<(hyper::Response<hyper::body::Body>, Groups)>
                where RS: client::ReadSeek {
        self.doit(stream, mime_type, client::UploadProtocol::Simple).await
    }

    /// The group ID
    ///
    /// Sets the *group id* path 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 group_id(mut self, new_value: &str) -> ArchiveInsertCall<'a, S> {
        self._group_id = 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.
    /// 
    /// ````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) -> ArchiveInsertCall<'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) -> ArchiveInsertCall<'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::AppGroupMigration`].
    ///
    /// 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) -> ArchiveInsertCall<'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) -> ArchiveInsertCall<'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) -> ArchiveInsertCall<'a, S> {
        self._scopes.clear();
        self
    }
}