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{{>partial_header}}
use std::rc::Rc;
use std::borrow::Borrow;
use std::borrow::Cow;
use std::collections::HashMap;

use hyper;
use serde_json;
use futures;
use futures::{Future, Stream};

use hyper::header::UserAgent;

use super::{Error, configuration};

pub struct {{{classname}}}Client {
    configuration: Rc>,
}

impl {{{classname}}}Client {
    pub fn new(configuration: Rc>) -> {{{classname}}}Client {
        {{{classname}}}Client {
            configuration: configuration,
        }
    }
}

pub trait {{classname}} {
{{#operations}}
{{#operation}}
    fn {{{operationId}}}(&self, {{#allParams}}{{paramName}}: {{#isString}}&str{{/isString}}{{#isUuid}}&str{{/isUuid}}{{^isString}}{{^isUuid}}{{^isPrimitiveType}}{{^isContainer}}::models::{{/isContainer}}{{/isPrimitiveType}}{{{dataType}}}{{/isUuid}}{{/isString}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) -> Box>>;
{{/operation}}
{{/operations}}
}


impl{{classname}} for {{classname}}Client {
{{#operations}}
{{#operation}}
    fn {{{operationId}}}(&self, {{#allParams}}{{paramName}}: {{#isString}}&str{{/isString}}{{#isUuid}}&str{{/isUuid}}{{^isString}}{{^isUuid}}{{^isPrimitiveType}}{{^isContainer}}::models::{{/isContainer}}{{/isPrimitiveType}}{{{dataType}}}{{/isUuid}}{{/isString}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) -> Box>> {
        let configuration: &configuration::Configuration = self.configuration.borrow();

{{#hasAuthMethods}}
        let mut auth_headers = HashMap::::new();
        let mut auth_query = HashMap::::new();
{{#authMethods}}
{{#isApiKey}}
        if let Some(ref apikey) = configuration.api_key {
            let key = apikey.key.clone();
            let val = match apikey.prefix {
                Some(ref prefix) => format!("{} {}", prefix, key),
                None => key,
            };
        {{#isKeyInHeader}}
            auth_headers.insert("{{keyParamName}}".to_owned(), val);
        {{/isKeyInHeader}}
        {{#isKeyInQuery}}
            auth_query.insert("{{keyParamName}}".to_owned(), val);
        {{/isKeyInQuery}}
        };
{{/isApiKey}}
{{#isBasic}}
        if let Some(ref auth_conf) = configuration.basic_auth {
            let auth = hyper::header::Authorization(
                hyper::header::Basic {
                    username: auth_conf.0.to_owned(),
                    password: auth_conf.1.to_owned(),
                }
            );
            auth_headers.insert("Authorization".to_owned(), auth.to_string());
        };
{{/isBasic}}
{{#isOAuth}}
        if let Some(ref token) = configuration.oauth_access_token {
            let auth = hyper::header::Authorization(
                hyper::header::Bearer {
                    token: token.to_owned(),
                }
            );
            auth_headers.insert("Authorization".to_owned(), auth.to_string());
        };
{{/isOAuth}}
{{/authMethods}}
{{/hasAuthMethods}}
        let method = hyper::Method::{{httpMethod}};

        let query_string = {
            let mut query = ::url::form_urlencoded::Serializer::new(String::new());
{{#queryParams}}
            query.append_pair("{{baseName}}", &{{paramName}}{{#isListContainer}}.join(","){{/isListContainer}}.to_string());
{{/queryParams}}
{{#hasAuthMethods}}
            for (key, val) in &auth_query {
                query.append_pair(key, val);
            }
{{/hasAuthMethods}} 
            query.finish()
        };
        let uri_str = format!("{}{{{path}}}?{}", configuration.base_path, query_string{{#pathParams}}, {{baseName}}={{paramName}}{{#isListContainer}}.join(",").as_ref(){{/isListContainer}}{{/pathParams}});

        // TODO(farcaller): handle error
        // if let Err(e) = uri {
        //     return Box::new(futures::future::err(e));
        // }
        let mut uri: hyper::Uri = uri_str.parse().unwrap();

        let mut req = hyper::Request::new(method, uri);

        if let Some(ref user_agent) = configuration.user_agent {
            req.headers_mut().set(UserAgent::new(Cow::Owned(user_agent.clone())));
        }

        {{#hasHeaderParams}}
        {
            let mut headers = req.headers_mut();
            {{#headerParams}}
            headers.set_raw("{{baseName}}", {{paramName}}{{#isListContainer}}.join(",").as_ref(){{/isListContainer}});
            {{/headerParams}}
        }
        {{/hasHeaderParams}}

        {{#hasAuthMethods}}
        for (key, val) in auth_headers {
            req.headers_mut().set_raw(key, val);
        }
        {{/hasAuthMethods}}

        {{#hasBodyParam}}
        {{#bodyParams}}
        let serialized = serde_json::to_string(&{{paramName}}).unwrap();
        req.headers_mut().set(hyper::header::ContentType::json());
        req.headers_mut().set(hyper::header::ContentLength(serialized.len() as u64));
        req.set_body(serialized);
        {{/bodyParams}}
        {{/hasBodyParam}}

        // send request
        Box::new(
        configuration.client.request(req)
            .map_err(|e| Error::from(e))
            .and_then(|resp| {
                let status = resp.status();
                resp.body().concat2()
                    .and_then(move |body| Ok((status, body)))
                    .map_err(|e| Error::from(e))
            })
            .and_then(|(status, body)| {
                if status.is_success() {
                    Ok(body)
                } else {
                    Err(Error::from((status, &*body)))
                }
            })
            {{^returnType}}
            .and_then(|_| futures::future::ok(()))
            {{/returnType}}
            {{#returnType}}
            .and_then(|body| {
                let parsed: Result<{{{returnType}}}, _> = serde_json::from_slice(&body);
                parsed.map_err(|e| Error::from(e))
            })
            {{/returnType}}
        )
    }

{{/operation}}
{{/operations}}
}