//! `PUT /_matrix/client/*/profile/{userId}/avatar_url`

pub mod v3 {
    //! `/v3/` ([spec])
    //!
    //! [spec]: https://spec.matrix.org/v1.4/client-server-api/#put_matrixclientv3profileuseridavatar_url

    use ruma_common::{api::ruma_api, MxcUri, UserId};

    ruma_api! {
        metadata: {
            description: "Set the avatar URL of the user.",
            method: PUT,
            name: "set_avatar_url",
            r0_path: "/_matrix/client/r0/profile/:user_id/avatar_url",
            stable_path: "/_matrix/client/v3/profile/:user_id/avatar_url",
            rate_limited: true,
            authentication: AccessToken,
            added: 1.0,
        }

        request: {
            /// The user whose avatar URL will be set.
            #[ruma_api(path)]
            pub user_id: &'a UserId,

            /// The new avatar URL for the user.
            ///
            /// `None` is used to unset the avatar.
            ///
            /// If you activate the `compat` feature, this field being an empty string in JSON will result
            /// in `None` here during deserialization.
            #[cfg_attr(
                feature = "compat",
                serde(
                    default,
                    deserialize_with = "ruma_common::serde::empty_string_as_none",
                    serialize_with = "ruma_common::serde::none_as_empty_string"
                )
            )]
            #[cfg_attr(
                not(feature = "compat"),
                serde(skip_serializing_if = "Option::is_none")
            )]
            pub avatar_url: Option<&'a MxcUri>,

            /// The [BlurHash](https://blurha.sh) for the avatar pointed to by `avatar_url`.
            ///
            /// This uses the unstable prefix in
            /// [MSC2448](https://github.com/matrix-org/matrix-spec-proposals/pull/2448).
            #[cfg(feature = "unstable-msc2448")]
            #[serde(rename = "xyz.amorgan.blurhash", skip_serializing_if = "Option::is_none")]
            pub blurhash: Option<&'a str>,
        }

        #[derive(Default)]
        response: {}

        error: crate::Error
    }

    impl<'a> Request<'a> {
        /// Creates a new `Request` with the given user ID and avatar URL.
        pub fn new(user_id: &'a UserId, avatar_url: Option<&'a MxcUri>) -> Self {
            Self {
                user_id,
                avatar_url,
                #[cfg(feature = "unstable-msc2448")]
                blurhash: None,
            }
        }
    }

    impl Response {
        /// Creates an empty `Response`.
        pub fn new() -> Self {
            Self {}
        }
    }

    #[cfg(all(test, feature = "server"))]
    mod tests {
        use ruma_common::api::IncomingRequest as _;

        use super::IncomingRequest;

        #[test]
        fn deserialize_unset_request() {
            let req = IncomingRequest::try_from_http_request(
                http::Request::builder()
                    .method("PUT")
                    .uri("https://bar.org/_matrix/client/r0/profile/@foo:bar.org/avatar_url")
                    .body(&[] as &[u8])
                    .unwrap(),
                &["@foo:bar.org"],
            )
            .unwrap();
            assert_eq!(req.user_id, "@foo:bar.org");
            assert_eq!(req.avatar_url, None);

            #[cfg(feature = "compat")]
            {
                let req = IncomingRequest::try_from_http_request(
                    http::Request::builder()
                        .method("PUT")
                        .uri("https://bar.org/_matrix/client/r0/profile/@foo:bar.org/avatar_url")
                        .body(serde_json::to_vec(&serde_json::json!({ "avatar_url": "" })).unwrap())
                        .unwrap(),
                    &["@foo:bar.org"],
                )
                .unwrap();
                assert_eq!(req.user_id, "@foo:bar.org");
                assert_eq!(req.avatar_url, None);
            }
        }
    }
}