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/*
 * Selling Partner API for Authorization
 *
 * The Selling Partner API for Authorization helps developers manage authorizations and check the specific permissions associated with a given authorization.
 *
 * The version of the OpenAPI document: v1
 * 
 * Generated by: https://openapi-generator.tech
 */


use reqwest;

use super::{Error, configuration};
use amazon_sp_api_shared::{request::UrlBuilder, error::ResponseError};


/// With the getAuthorizationCode operation, you can request a Login With Amazon (LWA) authorization code that will allow you to call a Selling Partner API on behalf of a seller who has already authorized you to call Amazon Marketplace Web Service (Amazon MWS). You specify a developer ID, an MWS auth token, and a seller ID. Taken together, these represent the Amazon MWS authorization that the seller previously granted you. The operation returns an LWA authorization code that can be exchanged for a refresh token and access token representing authorization to call the Selling Partner API on the seller's behalf. By using this API, sellers who have already authorized you for Amazon MWS do not need to re-authorize you for the Selling Partner API.  **Usage Plan:**  | Rate (requests per second) | Burst | | ---- | ---- | | 1 | 5 |  For more information, see \"Usage Plans and Rate Limits\" in the Selling Partner API documentation.
pub async fn get_authorization_code(configuration: &configuration::Configuration, selling_partner_id: &str, developer_id: &str, mws_auth_token: &str) -> Result<crate::models::GetAuthorizationCodeResponse, Error> {
    let local_var_configuration = configuration;

    let local_var_client = &local_var_configuration.client;


    let local_var_uri_str = format!("{}/authorization/v1/authorizationCode", local_var_configuration.base_path);
    let mut local_var_req_builder = local_var_client.request(reqwest::Method::GET, local_var_uri_str.as_str());
    #[allow(unused_mut)]
    let mut url_builder = UrlBuilder::parse(&local_var_uri_str)?;

    url_builder = url_builder.query(&[("sellingPartnerId", &selling_partner_id.to_string())]);
    url_builder = url_builder.query(&[("developerId", &developer_id.to_string())]);
    url_builder = url_builder.query(&[("mwsAuthToken", &mws_auth_token.to_string())]);

    let url = url_builder.build()?;
    let access_token = if let Some(ref rdt) = local_var_configuration.rdt {
        Some(rdt.token()?)
    } else {
        if let Some(ref auth) = local_var_configuration.auth {
            Some(auth.get_access_token(&local_var_configuration.client).await?)
        } else {
            None
        }
    };

    if let Some(ref local_var_aws_v4_key) = local_var_configuration.aws_v4_key {
        let local_var_new_headers = match local_var_aws_v4_key.sign(
	    url.as_str(),
	    "GET",
        access_token.clone(),
	    &"",
	    ) {
	      Ok(new_headers) => new_headers,
	      Err(err) => return Err(Error::AWSV4SignatureError(err)),
	    };
	for (local_var_name, local_var_value) in local_var_new_headers.iter() {
	    local_var_req_builder = local_var_req_builder.header(local_var_name.as_str(), local_var_value.as_str());
	}
    }

    if let Some(token) = access_token {
        local_var_req_builder = local_var_req_builder.header("x-amz-access-token", token.as_str());
    }

    if let Some(ref local_var_user_agent) = local_var_configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }

    let mut local_var_req = local_var_req_builder.build()?;
    *local_var_req.url_mut() = url;
    let local_var_resp = local_var_client.execute(local_var_req).await?;

    let local_var_status = local_var_resp.status();
    let local_var_content = local_var_resp.text().await?;

    if !local_var_status.is_client_error() && !local_var_status.is_server_error() {
        serde_json::from_str(&local_var_content).map_err(Error::from)
    } else {
        let error_list = serde_json::from_str::<amazon_sp_api_shared::request::ErrorList>(&local_var_content).ok();
        let local_var_error = ResponseError { status: local_var_status, content: local_var_content, error_list: error_list.map(|e| e.errors) };
        Err(Error::ResponseError(local_var_error))
    }
}