//! `GET /_matrix/identity/*/pubkey/{keyId}`
//!
//! Endpoint to retrieve the public key for a key ID.

pub mod v2 {
    //! `/v2/` ([spec])
    //!
    //! [spec]: https://spec.matrix.org/v1.2/identity-service-api/#get_matrixidentityv2pubkeykeyid

    use ruma_common::{api::ruma_api, serde::Base64, ServerSigningKeyId};

    ruma_api! {
        metadata: {
            description: "Get the public key for the given key ID.",
            method: GET,
            name: "get_public_key",
            stable_path: "/_matrix/identity/v2/pubkey/:key_id",
            rate_limited: false,
            authentication: None,
            added: 1.0,
        }

        request: {
            /// The ID of the key.
            #[ruma_api(path)]
            pub key_id: &'a ServerSigningKeyId,
        }

        response: {
            /// Unpadded base64-encoded public key.
            pub public_key: Base64,
        }
    }

    impl<'a> Request<'a> {
        /// Create a `Request` with the given key_id.
        pub fn new(key_id: &'a ServerSigningKeyId) -> Self {
            Self { key_id }
        }
    }

    impl Response {
        /// Create a `Response` with the given base64-encoded (unpadded) public key.
        pub fn new(public_key: Base64) -> Self {
            Self { public_key }
        }
    }
}