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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 std::borrow::Cow;

    use actix_identity::Identity;
    use actix_web::{web, HttpResponse, Responder};
    use libmcaptcha::defense::Level;
    use serde::{Deserialize, Serialize};

    use super::get_random;
    use crate::errors::*;
    use crate::AppData;

    #[derive(Serialize, Deserialize)]
    pub struct CreateCaptcha {
        pub levels: Vec<Level>,
        pub duration: u32,
        pub description: String,
    }

    #[derive(Clone, Debug, Deserialize, Serialize)]
    pub struct MCaptchaDetails {
        pub name: String,
        pub key: String,
    }

    // TODO redo mcaptcha table to include levels as json field
    // so that the whole thing can be added/udpaed in a single stroke
    #[my_codegen::post(
        path = "crate::V1_API_ROUTES.captcha.create",
        wrap = "crate::api::v1::get_middleware()"
    )]
    pub async fn create(
        payload: web::Json<CreateCaptcha>,
        data: AppData,
        id: Identity,
    ) -> ServiceResult<impl Responder> {
        let username = id.identity().unwrap();
        let mcaptcha_config = runner::create(&payload, &data, &username).await?;
        Ok(HttpResponse::Ok().json(mcaptcha_config))
    }

    pub mod runner {
        use futures::future::try_join_all;
        use libmcaptcha::DefenseBuilder;
        use log::debug;

        use super::*;

        pub async fn create(
            payload: &CreateCaptcha,
            data: &AppData,
            username: &str,
        ) -> ServiceResult<MCaptchaDetails> {
            let mut defense = DefenseBuilder::default();
            for level in payload.levels.iter() {
                defense.add_level(*level)?;
            }

            defense.build()?;

            debug!("creating config");
            let mcaptcha_config =
           // add_mcaptcha_util(payload.duration, &payload.description, &data, username).await?;

        {
        let mut key;

        let resp;

        loop {
            key = get_random(32);

            let res = sqlx::query!(
                "INSERT INTO mcaptcha_config
            (key, user_id, duration, name)
            VALUES ($1, (SELECT ID FROM mcaptcha_users WHERE name = $2), $3, $4)",
                &key,
                &username,
                payload.duration as i32,
                &payload.description,
            )
            .execute(&data.db)
            .await;

            match res {
                Err(sqlx::Error::Database(err)) => {
                    if err.code() == Some(Cow::from("23505"))
                        && err.message().contains("mcaptcha_config_key_key")
                    {
                        continue;
                    } else {
                        return Err(sqlx::Error::Database(err).into());
                    }
                }
                Err(e) => return Err(e.into()),

                Ok(_) => {
                    resp = MCaptchaDetails {
                        key,
                        name: payload.description.to_owned(),
                    };
                    break;
                }
            }
        }
        resp
        };

            debug!("config created");

            let mut futs = Vec::with_capacity(payload.levels.len());

            for level in payload.levels.iter() {
                let difficulty_factor = level.difficulty_factor as i32;
                let visitor_threshold = level.visitor_threshold as i32;
                let fut = sqlx::query!(
                    "INSERT INTO mcaptcha_levels (
                difficulty_factor,
                visitor_threshold,
                config_id) VALUES  (
                $1, $2, (
                    SELECT config_id FROM mcaptcha_config WHERE
                    key = ($3) AND user_id = (
                    SELECT ID FROM mcaptcha_users WHERE name = $4
                        )));",
                    difficulty_factor,
                    visitor_threshold,
                    &mcaptcha_config.key,
                    &username,
                )
                .execute(&data.db);
                futs.push(fut);
            }

            try_join_all(futs).await?;
            Ok(mcaptcha_config)
        }
    }