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    /*
    * Copyright (C) 2022  Aravinth Manivannan <realaravinth@batsense.net>
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU Affero General Public License for more details.
    *
    * You should have received a copy of the GNU Affero General Public License
    * along with this program.  If not, see <https://www.gnu.org/licenses/>.
    */

    use actix_web::web;

    pub mod get_config;
    pub mod verify_pow;
    pub mod verify_token;

    pub use super::mcaptcha::get::I32Levels;

    pub fn services(cfg: &mut web::ServiceConfig) {
        let cors = actix_cors::Cors::default()
            .allow_any_origin()
            .allowed_methods(vec!["POST", "GET"])
            .allow_any_header()
            .max_age(3600)
            .send_wildcard();

        let routes = crate::V1_API_ROUTES.pow;
        cfg.service(
            web::scope(routes.scope)
                .wrap(cors)
                .service(verify_pow::verify_pow)
                .service(get_config::get_config)
                .service(verify_token::validate_captcha_token),
        );
    }

    pub mod routes {
        pub struct PoW {
            pub get_config: &'static str,
            pub verify_pow: &'static str,
            pub validate_captcha_token: &'static str,
            pub scope: &'static str,
        }

        macro_rules! rm_scope {
            ($name:ident) => {
                /// remove scope for $name route
                pub fn $name(&self) -> &str {
                    self.$name
                        //.strip_prefix(&self.scope[..self.scope.len() - 1])
                        .strip_prefix(self.scope)
                        .unwrap()
                }
            };
        }

        impl PoW {
            pub const fn new() -> Self {
                // date: 2021-11-29 16:31
                // commit: 6eb75d7
                // route 404s when scope contained trailing slash
                //let scope = "/api/v1/pow/";
                let scope = "/api/v1/pow";
                PoW {
                    get_config: "/api/v1/pow/config",
                    verify_pow: "/api/v1/pow/verify",
                    validate_captcha_token: "/api/v1/pow/siteverify",
                    scope,
                }
            }

            rm_scope!(get_config);
            rm_scope!(verify_pow);
            rm_scope!(validate_captcha_token);
        }
    }

    #[cfg(test)]
    mod tests {
        use super::routes::PoW;

        #[test]
        fn scope_pow_works() {
            let pow = PoW::new();
            assert_eq!(pow.get_config(), "/config");
            assert_eq!(pow.verify_pow(), "/verify");
            assert_eq!(pow.validate_captcha_token(), "/siteverify");
        }
    }