/*
 * MailSlurp API
 *
 * MailSlurp is an API for sending and receiving emails from dynamically allocated email addresses. It's designed for developers and QA teams to test applications, process inbound emails, send templated notifications, attachments, and more.  ## Resources  - [Homepage](https://www.mailslurp.com) - Get an [API KEY](https://app.mailslurp.com/sign-up/) - Generated [SDK Clients](https://www.mailslurp.com/docs/) - [Examples](https://github.com/mailslurp/examples) repository 
 *
 * The version of the OpenAPI document: 6.5.2
 * 
 * Generated by: https://openapi-generator.tech
 */


use reqwest;

use crate::apis::ResponseContent;
use super::{Error, configuration};

/// struct for passing parameters to the method `delete_attachment`
#[derive(Clone, Debug)]
pub struct DeleteAttachmentParams {
    /// ID of attachment
    pub attachment_id: String
}

/// struct for passing parameters to the method `download_attachment_as_base64_encoded`
#[derive(Clone, Debug)]
pub struct DownloadAttachmentAsBase64EncodedParams {
    /// ID of attachment
    pub attachment_id: String
}

/// struct for passing parameters to the method `download_attachment_as_bytes`
#[derive(Clone, Debug)]
pub struct DownloadAttachmentAsBytesParams {
    /// ID of attachment
    pub attachment_id: String
}

/// struct for passing parameters to the method `get_attachment`
#[derive(Clone, Debug)]
pub struct GetAttachmentParams {
    /// ID of attachment
    pub attachment_id: String
}

/// struct for passing parameters to the method `get_attachment_info`
#[derive(Clone, Debug)]
pub struct GetAttachmentInfoParams {
    /// ID of attachment
    pub attachment_id: String
}

/// struct for passing parameters to the method `get_attachments`
#[derive(Clone, Debug)]
pub struct GetAttachmentsParams {
    /// Optional file name and content type search filter
    pub file_name_filter: Option<String>,
    /// Optional page index event list pagination
    pub page: Option<i32>,
    /// Optional page size event list pagination
    pub size: Option<i32>,
    /// Optional createdAt sort direction ASC or DESC
    pub sort: Option<String>
}

/// struct for passing parameters to the method `upload_attachment`
#[derive(Clone, Debug)]
pub struct UploadAttachmentParams {
    /// uploadOptions
    pub upload_options: crate::models::UploadAttachmentOptions
}

/// struct for passing parameters to the method `upload_attachment_bytes`
#[derive(Clone, Debug)]
pub struct UploadAttachmentBytesParams {
    /// Optional contentType for file. For instance `application/pdf`
    pub content_type: Option<String>,
    /// Optional filename to save upload with
    pub filename: Option<String>,
    /// Byte array request body
    pub byte_array: Option<String>
}

/// struct for passing parameters to the method `upload_multipart_form`
#[derive(Clone, Debug)]
pub struct UploadMultipartFormParams {
    /// file
    pub file: std::path::PathBuf,
    /// Optional content type of attachment
    pub content_type: Option<String>,
    /// Optional name of file
    pub filename: Option<String>,
    /// Optional content type header of attachment
    pub x_filename: Option<String>
}


/// struct for typed errors of method `delete_all_attachments`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum DeleteAllAttachmentsError {
    Status401(),
    Status403(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `delete_attachment`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum DeleteAttachmentError {
    Status401(),
    Status403(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `download_attachment_as_base64_encoded`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum DownloadAttachmentAsBase64EncodedError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `download_attachment_as_bytes`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum DownloadAttachmentAsBytesError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `get_attachment`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetAttachmentError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `get_attachment_info`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetAttachmentInfoError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `get_attachments`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum GetAttachmentsError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `upload_attachment`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum UploadAttachmentError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `upload_attachment_bytes`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum UploadAttachmentBytesError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}

/// struct for typed errors of method `upload_multipart_form`
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum UploadMultipartFormError {
    Status401(),
    Status403(),
    Status404(),
    UnknownValue(serde_json::Value),
}


pub async fn delete_all_attachments(configuration: &configuration::Configuration) -> Result<(), Error<DeleteAllAttachmentsError>> {
    // unbox the parameters


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments", configuration.base_path);
    let mut local_var_req_builder = local_var_client.delete(local_var_uri_str.as_str());

    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };

    let local_var_req = local_var_req_builder.build()?;
    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() {
        Ok(())
    } else {
        let local_var_entity: Option<DeleteAllAttachmentsError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Email attachments are essentially files with meta data. Files are byte arrays and the meta data is a content type and a filename. These properties allow email clients to display the filename and icon etc. When sending emails with attachments first upload each attachment with an upload endpoint. Record the returned attachment ID and use it with subsequent email sending. For legacy reasons the ID is returned as the first element in an array. Only a single ID is ever returned. To send the attachments pass a list of attachment IDs with `SendEmailOptions` when sending an email. Using the upload endpoints prior to sending mean attachments can easily be reused.
pub async fn delete_attachment(configuration: &configuration::Configuration, params: DeleteAttachmentParams) -> Result<(), Error<DeleteAttachmentError>> {
    // unbox the parameters
    let attachment_id = params.attachment_id;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments/{attachmentId}", configuration.base_path, attachmentId=crate::apis::urlencode(attachment_id));
    let mut local_var_req_builder = local_var_client.delete(local_var_uri_str.as_str());

    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };

    let local_var_req = local_var_req_builder.build()?;
    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() {
        Ok(())
    } else {
        let local_var_entity: Option<DeleteAttachmentError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Returns the specified attachment for a given email as a base 64 encoded string. The response type is application/json. This method is similar to the `downloadAttachment` method but allows some clients to get around issues with binary responses.
pub async fn download_attachment_as_base64_encoded(configuration: &configuration::Configuration, params: DownloadAttachmentAsBase64EncodedParams) -> Result<crate::models::DownloadAttachmentDto, Error<DownloadAttachmentAsBase64EncodedError>> {
    // unbox the parameters
    let attachment_id = params.attachment_id;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments/{attachmentId}/base64", configuration.base_path, attachmentId=crate::apis::urlencode(attachment_id));
    let mut local_var_req_builder = local_var_client.get(local_var_uri_str.as_str());

    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<DownloadAttachmentAsBase64EncodedError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Returns the specified attachment for a given email as a stream / array of bytes. You can find attachment ids in email responses endpoint responses. The response type is application/octet-stream.
pub async fn download_attachment_as_bytes(configuration: &configuration::Configuration, params: DownloadAttachmentAsBytesParams) -> Result<String, Error<DownloadAttachmentAsBytesError>> {
    // unbox the parameters
    let attachment_id = params.attachment_id;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments/{attachmentId}/bytes", configuration.base_path, attachmentId=crate::apis::urlencode(attachment_id));
    let mut local_var_req_builder = local_var_client.get(local_var_uri_str.as_str());

    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<DownloadAttachmentAsBytesError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Email attachments are essentially files with meta data. Files are byte arrays and the meta data is a content type and a filename. These properties allow email clients to display the filename and icon etc. When sending emails with attachments first upload each attachment with an upload endpoint. Record the returned attachment ID and use it with subsequent email sending. For legacy reasons the ID is returned as the first element in an array. Only a single ID is ever returned. To send the attachments pass a list of attachment IDs with `SendEmailOptions` when sending an email. Using the upload endpoints prior to sending mean attachments can easily be reused.
pub async fn get_attachment(configuration: &configuration::Configuration, params: GetAttachmentParams) -> Result<crate::models::AttachmentEntity, Error<GetAttachmentError>> {
    // unbox the parameters
    let attachment_id = params.attachment_id;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments/{attachmentId}", configuration.base_path, attachmentId=crate::apis::urlencode(attachment_id));
    let mut local_var_req_builder = local_var_client.get(local_var_uri_str.as_str());

    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<GetAttachmentError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Returns the metadata for an attachment. It is saved separately to the content of the attachment. Contains properties `name` and `content-type` and `content-length` in bytes for a given attachment.
pub async fn get_attachment_info(configuration: &configuration::Configuration, params: GetAttachmentInfoParams) -> Result<crate::models::AttachmentMetaData, Error<GetAttachmentInfoError>> {
    // unbox the parameters
    let attachment_id = params.attachment_id;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments/{attachmentId}/metadata", configuration.base_path, attachmentId=crate::apis::urlencode(attachment_id));
    let mut local_var_req_builder = local_var_client.get(local_var_uri_str.as_str());

    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<GetAttachmentInfoError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Get all attachments in paginated response. Each entity contains meta data for the attachment such as `name` and `content-type`. Use the `attachmentId` and the download endpoints to get the file contents.
pub async fn get_attachments(configuration: &configuration::Configuration, params: GetAttachmentsParams) -> Result<crate::models::PageAttachmentEntity, Error<GetAttachmentsError>> {
    // unbox the parameters
    let file_name_filter = params.file_name_filter;
    let page = params.page;
    let size = params.size;
    let sort = params.sort;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments", configuration.base_path);
    let mut local_var_req_builder = local_var_client.get(local_var_uri_str.as_str());

    if let Some(ref local_var_str) = file_name_filter {
        local_var_req_builder = local_var_req_builder.query(&[("fileNameFilter", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_str) = page {
        local_var_req_builder = local_var_req_builder.query(&[("page", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_str) = size {
        local_var_req_builder = local_var_req_builder.query(&[("size", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_str) = sort {
        local_var_req_builder = local_var_req_builder.query(&[("sort", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<GetAttachmentsError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Email attachments are essentially files with meta data. Files are byte arrays and the meta data is a content type and a filename. These properties allow email clients to display the filename and icon etc. When sending emails with attachments first upload each attachment with an upload endpoint. Record the returned attachment ID and use it with subsequent email sending. For legacy reasons the ID is returned as the first element in an array. Only a single ID is ever returned. To send the attachments pass a list of attachment IDs with `SendEmailOptions` when sending an email. Using the upload endpoints prior to sending mean attachments can easily be reused.
pub async fn upload_attachment(configuration: &configuration::Configuration, params: UploadAttachmentParams) -> Result<Vec<String>, Error<UploadAttachmentError>> {
    // unbox the parameters
    let upload_options = params.upload_options;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments", configuration.base_path);
    let mut local_var_req_builder = local_var_client.post(local_var_uri_str.as_str());

    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };
    local_var_req_builder = local_var_req_builder.json(&upload_options);

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<UploadAttachmentError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Email attachments are essentially files with meta data. Files are byte arrays and the meta data is a content type and a filename. These properties allow email clients to display the filename and icon etc. When sending emails with attachments first upload each attachment with an upload endpoint. Record the returned attachment ID and use it with subsequent email sending. For legacy reasons the ID is returned as the first element in an array. Only a single ID is ever returned. To send the attachments pass a list of attachment IDs with `SendEmailOptions` when sending an email. Using the upload endpoints prior to sending mean attachments can easily be reused.
pub async fn upload_attachment_bytes(configuration: &configuration::Configuration, params: UploadAttachmentBytesParams) -> Result<Vec<String>, Error<UploadAttachmentBytesError>> {
    // unbox the parameters
    let content_type = params.content_type;
    let filename = params.filename;
    let byte_array = params.byte_array;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments/bytes", configuration.base_path);
    let mut local_var_req_builder = local_var_client.post(local_var_uri_str.as_str());

    if let Some(ref local_var_str) = content_type {
        local_var_req_builder = local_var_req_builder.query(&[("contentType", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_str) = filename {
        local_var_req_builder = local_var_req_builder.query(&[("filename", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };
    local_var_req_builder = local_var_req_builder.json(&byte_array);

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<UploadAttachmentBytesError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}

/// Email attachments are essentially files with meta data. Files are byte arrays and the meta data is a content type and a filename. These properties allow email clients to display the filename and icon etc. When sending emails with attachments first upload each attachment with an upload endpoint. Record the returned attachment ID and use it with subsequent email sending. For legacy reasons the ID is returned as the first element in an array. Only a single ID is ever returned. To send the attachments pass a list of attachment IDs with `SendEmailOptions` when sending an email. Using the upload endpoints prior to sending mean attachments can easily be reused.
pub async fn upload_multipart_form(configuration: &configuration::Configuration, params: UploadMultipartFormParams) -> Result<Vec<String>, Error<UploadMultipartFormError>> {
    // unbox the parameters
    let file = params.file;
    let content_type = params.content_type;
    let filename = params.filename;
    let x_filename = params.x_filename;


    let local_var_client = &configuration.client;

    let local_var_uri_str = format!("{}/attachments/multipart", configuration.base_path);
    let mut local_var_req_builder = local_var_client.post(local_var_uri_str.as_str());

    if let Some(ref local_var_str) = content_type {
        local_var_req_builder = local_var_req_builder.query(&[("contentType", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_str) = filename {
        local_var_req_builder = local_var_req_builder.query(&[("filename", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_str) = x_filename {
        local_var_req_builder = local_var_req_builder.query(&[("x-filename", &local_var_str.to_string())]);
    }
    if let Some(ref local_var_user_agent) = configuration.user_agent {
        local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
    }
    if let Some(ref local_var_apikey) = configuration.api_key {
        let local_var_key = local_var_apikey.key.clone();
        let local_var_value = match local_var_apikey.prefix {
            Some(ref local_var_prefix) => format!("{} {}", local_var_prefix, local_var_key),
            None => local_var_key,
        };
        local_var_req_builder = local_var_req_builder.header("x-api-key", local_var_value);
    };
    let mut local_var_form = reqwest::multipart::Form::new();
    // TODO: support file upload for 'file' parameter
    local_var_req_builder = local_var_req_builder.multipart(local_var_form);

    let local_var_req = local_var_req_builder.build()?;
    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 local_var_entity: Option<UploadMultipartFormError> = serde_json::from_str(&local_var_content).ok();
        let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
        Err(Error::ResponseError(local_var_error))
    }
}