// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
//
// WARNING: This file is automatically generated from OpenAPI schema using
// `openstack-codegenerator`.

use derive_builder::Builder;
use http::{HeaderMap, HeaderName, HeaderValue};

use crate::api::rest_endpoint_prelude::*;

use serde::Deserialize;
use serde::Serialize;
use std::borrow::Cow;

/// The action to evacuate a server to another host.
///
#[derive(Builder, Debug, Deserialize, Clone, Serialize)]
#[builder(setter(strip_option))]
pub struct Evacuate<'a> {
    /// An administrative password to access the evacuated server. If you omit
    /// this parameter, the operation generates a new password. Up to API
    /// version 2.13, if `onSharedStorage` is set to `True` and this parameter
    /// is specified, an error is raised.
    ///
    #[serde(rename = "adminPass", skip_serializing_if = "Option::is_none")]
    #[builder(default, setter(into))]
    pub(crate) admin_pass: Option<Cow<'a, str>>,

    /// The name or ID of the host to which the server is evacuated. If you
    /// omit this parameter, the scheduler chooses a host.
    ///
    /// Warning
    ///
    /// Prior to microversion 2.29, specifying a host will bypass validation by
    /// the scheduler, which could result in failures to actually evacuate the
    /// instance to the specified host, or over-subscription of the host. It is
    /// recommended to either not specify a host so that the scheduler will
    /// pick one, or specify a host with microversion >= 2.29 and without
    /// `force=True` set.
    ///
    #[serde(skip_serializing_if = "Option::is_none")]
    #[builder(default, setter(into))]
    pub(crate) host: Option<Cow<'a, str>>,
}

#[derive(Builder, Debug, Clone)]
#[builder(setter(strip_option))]
pub struct Request<'a> {
    /// The action to evacuate a server to another host.
    ///
    #[builder(setter(into))]
    pub(crate) evacuate: Evacuate<'a>,

    /// id parameter for /v2.1/servers/{id}/action API
    ///
    #[builder(default, setter(into))]
    id: Cow<'a, str>,

    #[builder(setter(name = "_headers"), default, private)]
    _headers: Option<HeaderMap>,
}
impl<'a> Request<'a> {
    /// Create a builder for the endpoint.
    pub fn builder() -> RequestBuilder<'a> {
        RequestBuilder::default()
    }
}

impl<'a> RequestBuilder<'a> {
    /// Add a single header to the Server.
    pub fn header(&mut self, header_name: &'static str, header_value: &'static str) -> &mut Self
where {
        self._headers
            .get_or_insert(None)
            .get_or_insert_with(HeaderMap::new)
            .insert(header_name, HeaderValue::from_static(header_value));
        self
    }

    /// Add multiple headers.
    pub fn headers<I, T>(&mut self, iter: I) -> &mut Self
    where
        I: Iterator<Item = T>,
        T: Into<(Option<HeaderName>, HeaderValue)>,
    {
        self._headers
            .get_or_insert(None)
            .get_or_insert_with(HeaderMap::new)
            .extend(iter.map(Into::into));
        self
    }
}

impl<'a> RestEndpoint for Request<'a> {
    fn method(&self) -> http::Method {
        http::Method::POST
    }

    fn endpoint(&self) -> Cow<'static, str> {
        format!("servers/{id}/action", id = self.id.as_ref(),).into()
    }

    fn parameters(&self) -> QueryParams {
        QueryParams::default()
    }

    fn body(&self) -> Result<Option<(&'static str, Vec<u8>)>, BodyError> {
        let mut params = JsonBodyParams::default();

        params.push("evacuate", serde_json::to_value(&self.evacuate)?);

        params.into_body()
    }

    fn service_type(&self) -> ServiceType {
        ServiceType::Compute
    }

    fn response_key(&self) -> Option<Cow<'static, str>> {
        None
    }

    /// Returns headers to be set into the request
    fn request_headers(&self) -> Option<&HeaderMap> {
        self._headers.as_ref()
    }

    /// Returns required API version
    fn api_version(&self) -> Option<ApiVersion> {
        Some(ApiVersion::new(2, 14))
    }
}

#[cfg(test)]
mod tests {
    #![allow(unused_imports)]
    use super::*;
    #[cfg(feature = "sync")]
    use crate::api::Query;
    #[cfg(feature = "sync")]
    use crate::test::client::MockServerClient;
    use crate::types::ServiceType;
    use http::{HeaderName, HeaderValue};
    use serde_json::json;

    #[test]
    fn test_service_type() {
        assert_eq!(
            Request::builder()
                .evacuate(EvacuateBuilder::default().build().unwrap())
                .build()
                .unwrap()
                .service_type(),
            ServiceType::Compute
        );
    }

    #[test]
    fn test_response_key() {
        assert!(Request::builder()
            .evacuate(EvacuateBuilder::default().build().unwrap())
            .build()
            .unwrap()
            .response_key()
            .is_none())
    }

    #[cfg(feature = "sync")]
    #[test]
    fn endpoint() {
        let client = MockServerClient::new();
        let mock = client.server.mock(|when, then| {
            when.method(httpmock::Method::POST)
                .path(format!("/servers/{id}/action", id = "id",));

            then.status(200)
                .header("content-type", "application/json")
                .json_body(json!({ "dummy": {} }));
        });

        let endpoint = Request::builder()
            .id("id")
            .evacuate(EvacuateBuilder::default().build().unwrap())
            .build()
            .unwrap();
        let _: serde_json::Value = endpoint.query(&client).unwrap();
        mock.assert();
    }

    #[cfg(feature = "sync")]
    #[test]
    fn endpoint_headers() {
        let client = MockServerClient::new();
        let mock = client.server.mock(|when, then| {
            when.method(httpmock::Method::POST)
                .path(format!("/servers/{id}/action", id = "id",))
                .header("foo", "bar")
                .header("not_foo", "not_bar");
            then.status(200)
                .header("content-type", "application/json")
                .json_body(json!({ "dummy": {} }));
        });

        let endpoint = Request::builder()
            .id("id")
            .evacuate(EvacuateBuilder::default().build().unwrap())
            .headers(
                [(
                    Some(HeaderName::from_static("foo")),
                    HeaderValue::from_static("bar"),
                )]
                .into_iter(),
            )
            .header("not_foo", "not_bar")
            .build()
            .unwrap();
        let _: serde_json::Value = endpoint.query(&client).unwrap();
        mock.assert();
    }
}