/*
 * 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::cell::RefCell;

use actix_identity::Identity;
use actix_web::http::header::ContentType;
use tera::Context;
use tracing::info;

use super::get_auth_middleware;
use crate::api::v1::forgejo::AddWebhook;
use crate::pages::errors::*;
use crate::settings::Settings;
use crate::AppCtx;

pub use super::*;

pub const DASH_FORGEJO_WEBHOOK_ADD: TemplateFile =
    TemplateFile::new("dash_forgejo_webhook_add", "pages/dash/forgejo/add.html");

pub struct Add {
    ctx: RefCell<Context>,
}

impl CtxError for Add {
    fn with_error(&self, e: &ReadableError) -> String {
        self.ctx.borrow_mut().insert(ERROR_KEY, e);
        self.render()
    }
}

impl Add {
    pub fn new(settings: &Settings) -> Self {
        let ctx = RefCell::new(context(settings));
        Self { ctx }
    }

    pub fn render(&self) -> String {
        TEMPLATES
            .render(DASH_FORGEJO_WEBHOOK_ADD.name, &self.ctx.borrow())
            .unwrap()
    }
}

#[actix_web_codegen_const_routes::get(
    path = "PAGES.dash.forgejo_webhook.add",
    wrap = "get_auth_middleware()"
)]
#[tracing::instrument(name = "Dashboard add forgejo webhook webpage", skip(ctx))]
pub async fn get_add_forgejo_webhook(ctx: AppCtx) -> PageResult<impl Responder, Add> {
    let add = Add::new(&ctx.settings).render();
    let html = ContentType::html();
    Ok(HttpResponse::Ok().content_type(html).body(add))
}

#[actix_web_codegen_const_routes::post(
    path = "PAGES.dash.forgejo_webhook.add",
    wrap = "get_auth_middleware()"
)]
#[tracing::instrument(
    name = "Post Dashboard add Forgejo webhook webpage",
    skip(ctx, id, payload)
)]
pub async fn post_add_forgejo_webhook(
    ctx: AppCtx,
    id: Identity,
    payload: web::Form<AddWebhook>,
) -> PageResult<impl Responder, Add> {
    let owner = id.identity().unwrap();
    let payload = payload.into_inner();

    info!(
        "Adding webhook for Forgejo instance: {}",
        payload.forgejo_url.as_str()
    );
    let hook = ctx
        .db
        .new_webhook(payload.forgejo_url, &owner)
        .await
        .map_err(|e| PageError::new(Add::new(&ctx.settings), e))?;

    Ok(HttpResponse::Found()
        .append_header((
            http::header::LOCATION,
            PAGES.dash.forgejo_webhook.get_view(&hook.auth_token),
        ))
        .finish())
}

pub fn services(cfg: &mut web::ServiceConfig) {
    cfg.service(get_add_forgejo_webhook);
    cfg.service(post_add_forgejo_webhook);
}

#[cfg(test)]
mod tests {
    use actix_web::http::StatusCode;
    use actix_web::test;
    use url::Url;

    use crate::api::v1::forgejo::AddWebhook;
    use crate::ctx::ArcCtx;
    use crate::tests;
    use crate::*;

    use super::PAGES;

    #[actix_rt::test]
    async fn postgres_dashboadr_add_forgejo_webhook_works() {
        let (_, ctx) = tests::get_ctx().await;
        dashboadr_add_forgejo_webhook_works(ctx.clone()).await;
    }

    async fn dashboadr_add_forgejo_webhook_works(ctx: ArcCtx) {
        const NAME: &str = "testdashwebhookforgejoadduser";
        const EMAIL: &str = "testdashwebhookforgejoadduser@foo.com";
        const PASSWORD: &str = "longpassword";

        let _ = ctx.delete_user(NAME, PASSWORD).await;
        let (_, signin_resp) = ctx.register_and_signin(NAME, EMAIL, PASSWORD).await;
        let cookies = get_cookie!(signin_resp);
        let app = get_app!(ctx.clone()).await;

        let resp = get_request!(&app, PAGES.dash.forgejo_webhook.add, cookies.clone());
        assert_eq!(resp.status(), StatusCode::OK);
        let res = String::from_utf8(test::read_body(resp).await.to_vec()).unwrap();
        assert!(res.contains("Add Forgejo Webhook"));

        let payload = AddWebhook {
            forgejo_url: Url::parse("https://git.batsense.net").unwrap(),
        };

        let add_webhook = test::call_service(
            &app,
            post_request!(&payload, PAGES.dash.forgejo_webhook.add, FORM)
                .cookie(cookies.clone())
                .to_request(),
        )
        .await;
        assert_eq!(add_webhook.status(), StatusCode::FOUND);

        let mut hooks = ctx.db.list_all_webhooks_with_owner(NAME).await.unwrap();
        let hook = hooks.pop().unwrap();

        //        let mut event = ctx.db.list(&site.hostname).await.unwrap();
        //        let event = event.pop().unwrap();

        let headers = add_webhook.headers();
        let view_webhook_url = PAGES.dash.forgejo_webhook.get_view(&hook.auth_token);
        assert_eq!(
            headers.get(actix_web::http::header::LOCATION).unwrap(),
            &view_webhook_url
        );

        // list webhooks
        let resp = get_request!(&app, PAGES.dash.forgejo_webhook.list, cookies.clone());
        assert_eq!(resp.status(), StatusCode::OK);
        let res = String::from_utf8(test::read_body(resp).await.to_vec()).unwrap();
        assert!(res.contains(hook.forgejo_url.as_str()));

        // view webhook
        let resp = get_request!(&app, &view_webhook_url, cookies.clone());
        assert_eq!(resp.status(), StatusCode::OK);
        let res = String::from_utf8(test::read_body(resp).await.to_vec()).unwrap();
        assert!(res.contains("****"));
        assert!(res.contains(
            &crate::V1_API_ROUTES
                .forgejo
                .get_webhook_url(&ctx, &hook.auth_token)
        ));

        let show_forgejo_webhook_secret =
            format!("{view_webhook_url}?show_forgejo_webhook_secret=true");
        let resp = get_request!(&app, &show_forgejo_webhook_secret, cookies.clone());
        assert_eq!(resp.status(), StatusCode::OK);
        let res = String::from_utf8(test::read_body(resp).await.to_vec()).unwrap();
        assert!(res.contains(&hook.forgejo_webhook_secret));
    }
}