//! `POST /_matrix/identity/*/account/register`
//!
//! Exchanges an OpenID token from the homeserver for an access token to access the identity server.

pub mod v2 {
    //! `/v2/` ([spec])
    //!
    //! [spec]: https://spec.matrix.org/v1.2/identity-service-api/#post_matrixidentityv2accountregister

    use std::time::Duration;

    use ruma_api::ruma_api;
    use ruma_common::authentication::TokenType;
    use ruma_identifiers::ServerName;

    ruma_api! {
        metadata: {
            description: "Exchanges an OpenID token from the homeserver for an access token to access the identity server.",
            method: POST,
            name: "register_account",
            stable_path: "/_matrix/identity/v2/account/register",
            authentication: None,
            rate_limited: false,
            added: 1.0,
        }

        request: {
            /// An access token the consumer may use to verify the identity of the person who generated
            /// the token.
            ///
            /// This is given to the federation API `GET /openid/userinfo` to verify the user's
            /// identity.
            pub access_token: &'a str,

            /// The string `Bearer`.
            pub token_type: TokenType,

            /// The homeserver domain the consumer should use when attempting to verify the user's
            /// identity.
            pub matrix_server_name: &'a ServerName,

            /// The number of seconds before this token expires and a new one must be generated.
            #[serde(with = "ruma_serde::duration::secs")]
            pub expires_in: Duration,
        }

        response: {
            /// An opaque string representing the token to authenticate future requests to the identity
            /// server with.
            pub token: String,
        }
    }

    impl<'a> Request<'a> {
        /// Creates a new `Request` with the given parameters.
        pub fn new(
            access_token: &'a str,
            token_type: TokenType,
            matrix_server_name: &'a ServerName,
            expires_in: Duration,
        ) -> Self {
            Self { access_token, token_type, matrix_server_name, expires_in }
        }
    }

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